2018-03-13 03:46:10 +01:00
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/*
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* VARCem Virtual ARchaeological Computer EMulator.
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* An emulator of (mostly) x86-based PC systems and devices,
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* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
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* spanning the era between 1981 and 1995.
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*
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* This file is part of the VARCem Project.
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*
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* Implement a more-or-less defacto-standard RTC/NVRAM.
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*
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* When IBM released the PC/AT machine, it came standard with a
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* battery-backed RTC chip to keep the time of day, something
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* that was optional on standard PC's with a myriad variants
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* being put on the market, often on cheap multi-I/O cards.
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*
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* The PC/AT had an on-board DS12885-series chip ("the black
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* block") which was an RTC/clock chip with onboard oscillator
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* and a backup battery (hence the big size.) The chip also had
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* a small amount of RAM bytes available to the user, which was
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* used by IBM's ROM BIOS to store machine configuration data.
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* Later versions and clones used the 12886 and/or 1288(C)7
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* series, or the MC146818 series, all with an external battery.
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* Many of those batteries would create corrosion issues later
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* on in mainboard life...
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*
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* Since then, pretty much any PC has an implementation of that
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* device, which became known as the "nvr" or "cmos".
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*
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* NOTES Info extracted from the data sheets:
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*
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* * The century register at location 32h is a BCD register
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* designed to automatically load the BCD value 20 as the
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* year register changes from 99 to 00. The MSB of this
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* register is not affected when the load of 20 occurs,
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* and remains at the value written by the user.
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*
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* * Rate Selector (RS3:RS0)
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* These four rate-selection bits select one of the 13
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* taps on the 15-stage divider or disable the divider
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* output. The tap selected can be used to generate an
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* output square wave (SQW pin) and/or a periodic interrupt.
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*
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* The user can do one of the following:
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* - enable the interrupt with the PIE bit;
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* - enable the SQW output pin with the SQWE bit;
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* - enable both at the same time and the same rate; or
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* - enable neither.
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*
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* Table 3 lists the periodic interrupt rates and the square
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* wave frequencies that can be chosen with the RS bits.
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* These four read/write bits are not affected by !RESET.
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*
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* * Oscillator (DV2:DV0)
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* These three bits are used to turn the oscillator on or
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* off and to reset the countdown chain. A pattern of 010
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* is the only combination of bits that turn the oscillator
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* on and allow the RTC to keep time. A pattern of 11x
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* enables the oscillator but holds the countdown chain in
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* reset. The next update occurs at 500ms after a pattern
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* of 010 is written to DV0, DV1, and DV2.
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*
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* * Update-In-Progress (UIP)
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* This bit is a status flag that can be monitored. When the
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* UIP bit is a 1, the update transfer occurs soon. When
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* UIP is a 0, the update transfer does not occur for at
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* least 244us. The time, calendar, and alarm information
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* in RAM is fully available for access when the UIP bit
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* is 0. The UIP bit is read-only and is not affected by
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* !RESET. Writing the SET bit in Register B to a 1
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* inhibits any update transfer and clears the UIP status bit.
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*
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* * Daylight Saving Enable (DSE)
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* This bit is a read/write bit that enables two daylight
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* saving adjustments when DSE is set to 1. On the first
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* Sunday in April (or the last Sunday in April in the
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* MC146818A), the time increments from 1:59:59 AM to
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* 3:00:00 AM. On the last Sunday in October when the time
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* first reaches 1:59:59 AM, it changes to 1:00:00 AM.
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*
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* When DSE is enabled, the internal logic test for the
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* first/last Sunday condition at midnight. If the DSE bit
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* is not set when the test occurs, the daylight saving
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* function does not operate correctly. These adjustments
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* do not occur when the DSE bit is 0. This bit is not
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* affected by internal functions or !RESET.
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*
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* * 24/12
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* The 24/12 control bit establishes the format of the hours
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* byte. A 1 indicates the 24-hour mode and a 0 indicates
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* the 12-hour mode. This bit is read/write and is not
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* affected by internal functions or !RESET.
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*
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* * Data Mode (DM)
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* This bit indicates whether time and calendar information
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* is in binary or BCD format. The DM bit is set by the
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* program to the appropriate format and can be read as
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* required. This bit is not modified by internal functions
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* or !RESET. A 1 in DM signifies binary data, while a 0 in
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* DM specifies BCD data.
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*
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* * Square-Wave Enable (SQWE)
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* When this bit is set to 1, a square-wave signal at the
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* frequency set by the rate-selection bits RS3-RS0 is driven
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* out on the SQW pin. When the SQWE bit is set to 0, the
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* SQW pin is held low. SQWE is a read/write bit and is
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* cleared by !RESET. SQWE is low if disabled, and is high
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* impedance when VCC is below VPF. SQWE is cleared to 0 on
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* !RESET.
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*
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* * Update-Ended Interrupt Enable (UIE)
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* This bit is a read/write bit that enables the update-end
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* flag (UF) bit in Register C to assert !IRQ. The !RESET
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* pin going low or the SET bit going high clears the UIE bit.
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* The internal functions of the device do not affect the UIE
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* bit, but is cleared to 0 on !RESET.
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*
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* * Alarm Interrupt Enable (AIE)
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* This bit is a read/write bit that, when set to 1, permits
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* the alarm flag (AF) bit in Register C to assert !IRQ. An
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* alarm interrupt occurs for each second that the three time
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* bytes equal the three alarm bytes, including a don't-care
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* alarm code of binary 11XXXXXX. The AF bit does not
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* initiate the !IRQ signal when the AIE bit is set to 0.
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* The internal functions of the device do not affect the AIE
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* bit, but is cleared to 0 on !RESET.
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*
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* * Periodic Interrupt Enable (PIE)
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* The PIE bit is a read/write bit that allows the periodic
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* interrupt flag (PF) bit in Register C to drive the !IRQ pin
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* low. When the PIE bit is set to 1, periodic interrupts are
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* generated by driving the !IRQ pin low at a rate specified
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* by the RS3-RS0 bits of Register A. A 0 in the PIE bit
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* blocks the !IRQ output from being driven by a periodic
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* interrupt, but the PF bit is still set at the periodic
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* rate. PIE is not modified b any internal device functions,
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* but is cleared to 0 on !RESET.
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*
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* * SET
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* When the SET bit is 0, the update transfer functions
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* normally by advancing the counts once per second. When
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* the SET bit is written to 1, any update transfer is
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* inhibited, and the program can initialize the time and
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* calendar bytes without an update occurring in the midst of
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* initializing. Read cycles can be executed in a similar
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* manner. SET is a read/write bit and is not affected by
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* !RESET or internal functions of the device.
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*
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* * Update-Ended Interrupt Flag (UF)
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* This bit is set after each update cycle. When the UIE
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* bit is set to 1, the 1 in UF causes the IRQF bit to be
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* a 1, which asserts the !IRQ pin. This bit can be
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2022-02-20 02:26:27 -05:00
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* cleared by reading Register C or with a !RESET.
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2018-03-13 03:46:10 +01:00
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*
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* * Alarm Interrupt Flag (AF)
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* A 1 in the AF bit indicates that the current time has
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* matched the alarm time. If the AIE bit is also 1, the
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* !IRQ pin goes low and a 1 appears in the IRQF bit. This
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* bit can be cleared by reading Register C or with a
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* !RESET.
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*
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* * Periodic Interrupt Flag (PF)
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* This bit is read-only and is set to 1 when an edge is
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* detected on the selected tap of the divider chain. The
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* RS3 through RS0 bits establish the periodic rate. PF is
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* set to 1 independent of the state of the PIE bit. When
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* both PF and PIE are 1s, the !IRQ signal is active and
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* sets the IRQF bit. This bit can be cleared by reading
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* Register C or with a !RESET.
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*
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* * Interrupt Request Flag (IRQF)
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* The interrupt request flag (IRQF) is set to a 1 when one
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* or more of the following are true:
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* - PF == PIE == 1
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* - AF == AIE == 1
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* - UF == UIE == 1
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* Any time the IRQF bit is a 1, the !IRQ pin is driven low.
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* All flag bits are cleared after Register C is read by the
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* program or when the !RESET pin is low.
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*
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* * Valid RAM and Time (VRT)
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* This bit indicates the condition of the battery connected
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* to the VBAT pin. This bit is not writeable and should
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* always be 1 when read. If a 0 is ever present, an
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* exhausted internal lithium energy source is indicated and
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* both the contents of the RTC data and RAM data are
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* questionable. This bit is unaffected by !RESET.
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*
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* This file implements a generic version of the RTC/NVRAM chip,
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* including the later update (DS12887A) which implemented a
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* "century" register to be compatible with Y2K.
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*
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2020-03-25 00:46:02 +02:00
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*
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2018-03-13 03:46:10 +01:00
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*
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* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
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* Miran Grca, <mgrca8@gmail.com>
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* Mahod,
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* Sarah Walker, <tommowalker@tommowalker.co.uk>
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*
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2020-01-14 02:14:39 +01:00
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* Copyright 2017-2020 Fred N. van Kempen.
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* Copyright 2016-2020 Miran Grca.
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* Copyright 2008-2020 Sarah Walker.
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2018-03-13 03:46:10 +01:00
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the:
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*
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* Free Software Foundation, Inc.
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* 59 Temple Place - Suite 330
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* Boston, MA 02111-1307
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* USA.
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*/
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2018-04-25 23:51:13 +02:00
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#include <inttypes.h>
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2018-03-13 03:46:10 +01:00
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <wchar.h>
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#include <time.h>
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2020-03-29 14:24:42 +02:00
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#include <86box/86box.h>
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2020-02-29 19:12:23 +01:00
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#include "cpu.h"
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2020-03-29 14:24:42 +02:00
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#include <86box/machine.h>
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#include <86box/io.h>
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#include <86box/mem.h>
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#include <86box/nmi.h>
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#include <86box/pic.h>
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#include <86box/timer.h>
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#include <86box/pit.h>
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#include <86box/rom.h>
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#include <86box/device.h>
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#include <86box/nvr.h>
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2018-03-13 03:46:10 +01:00
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/* RTC registers and bit definitions. */
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#define RTC_SECONDS 0
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#define RTC_ALSECONDS 1
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2018-04-25 23:51:13 +02:00
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# define AL_DONTCARE 0xc0 /* Alarm time is not set */
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2018-03-13 03:46:10 +01:00
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#define RTC_MINUTES 2
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#define RTC_ALMINUTES 3
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#define RTC_HOURS 4
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# define RTC_AMPM 0x80 /* PM flag if 12h format in use */
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#define RTC_ALHOURS 5
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#define RTC_DOW 6
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#define RTC_DOM 7
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#define RTC_MONTH 8
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#define RTC_YEAR 9
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#define RTC_REGA 10
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# define REGA_UIP 0x80
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# define REGA_DV2 0x40
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# define REGA_DV1 0x20
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# define REGA_DV0 0x10
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# define REGA_DV 0x70
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# define REGA_RS3 0x08
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# define REGA_RS2 0x04
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# define REGA_RS1 0x02
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# define REGA_RS0 0x01
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# define REGA_RS 0x0f
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#define RTC_REGB 11
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# define REGB_SET 0x80
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# define REGB_PIE 0x40
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# define REGB_AIE 0x20
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# define REGB_UIE 0x10
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# define REGB_SQWE 0x08
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# define REGB_DM 0x04
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# define REGB_2412 0x02
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# define REGB_DSE 0x01
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#define RTC_REGC 12
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# define REGC_IRQF 0x80
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# define REGC_PF 0x40
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# define REGC_AF 0x20
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# define REGC_UF 0x10
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#define RTC_REGD 13
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# define REGD_VRT 0x80
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2018-04-25 23:51:13 +02:00
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#define RTC_CENTURY_AT 0x32 /* century register for AT etc */
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#define RTC_CENTURY_PS 0x37 /* century register for PS/1 PS/2 */
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2020-01-14 02:14:39 +01:00
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#define RTC_ALDAY 0x7D /* VIA VT82C586B - alarm day */
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#define RTC_ALMONTH 0x7E /* VIA VT82C586B - alarm month */
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#define RTC_CENTURY_VIA 0x7F /* century register for VIA VT82C586B */
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2021-04-21 21:54:23 +03:00
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|
|
#define RTC_ALDAY_SIS 0x7E /* Day of Month Alarm for SiS */
|
|
|
|
|
#define RTC_ALMONT_SIS 0x7F /* Month Alarm for SiS */
|
|
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
#define RTC_REGS 14 /* number of registers */
|
|
|
|
|
|
2022-03-25 19:42:43 -04:00
|
|
|
#define FLAG_NO_NMI 0x01
|
|
|
|
|
#define FLAG_AMI_1992_HACK 0x02
|
|
|
|
|
#define FLAG_AMI_1994_HACK 0x04
|
|
|
|
|
#define FLAG_AMI_1995_HACK 0x08
|
|
|
|
|
#define FLAG_P6RP4_HACK 0x10
|
|
|
|
|
#define FLAG_PIIX4 0x20
|
2020-03-01 00:16:58 +01:00
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
typedef struct {
|
|
|
|
|
int8_t stat;
|
2018-10-06 01:48:21 +02:00
|
|
|
|
2020-04-16 21:56:19 +02:00
|
|
|
uint8_t cent, def,
|
2021-07-17 06:01:27 +02:00
|
|
|
flags, read_addr,
|
|
|
|
|
wp_0d, wp_32,
|
|
|
|
|
pad, pad0;
|
2018-04-25 23:51:13 +02:00
|
|
|
|
2020-04-10 22:32:03 +02:00
|
|
|
uint8_t addr[8], wp[2],
|
|
|
|
|
bank[8], *lock;
|
2018-04-25 23:51:13 +02:00
|
|
|
|
2019-11-19 04:47:00 +01:00
|
|
|
int16_t count, state;
|
|
|
|
|
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
uint64_t ecount,
|
|
|
|
|
rtc_time;
|
|
|
|
|
pc_timer_t update_timer,
|
|
|
|
|
rtc_timer;
|
2018-04-25 23:51:13 +02:00
|
|
|
} local_t;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
|
|
|
|
|
2020-02-29 19:12:23 +01:00
|
|
|
static uint8_t nvr_at_inited = 0;
|
|
|
|
|
|
|
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
/* Get the current NVR time. */
|
|
|
|
|
static void
|
2018-04-25 23:51:13 +02:00
|
|
|
time_get(nvr_t *nvr, struct tm *tm)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
2018-04-25 23:51:13 +02:00
|
|
|
local_t *local = (local_t *)nvr->data;
|
2018-03-13 03:46:10 +01:00
|
|
|
int8_t temp;
|
|
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
if (nvr->regs[RTC_REGB] & REGB_DM) {
|
2018-03-13 03:46:10 +01:00
|
|
|
/* NVR is in Binary data mode. */
|
2018-04-25 23:51:13 +02:00
|
|
|
tm->tm_sec = nvr->regs[RTC_SECONDS];
|
|
|
|
|
tm->tm_min = nvr->regs[RTC_MINUTES];
|
|
|
|
|
temp = nvr->regs[RTC_HOURS];
|
|
|
|
|
tm->tm_wday = (nvr->regs[RTC_DOW] - 1);
|
|
|
|
|
tm->tm_mday = nvr->regs[RTC_DOM];
|
|
|
|
|
tm->tm_mon = (nvr->regs[RTC_MONTH] - 1);
|
|
|
|
|
tm->tm_year = nvr->regs[RTC_YEAR];
|
2018-07-15 01:41:53 +02:00
|
|
|
if (local->cent != 0xFF)
|
|
|
|
|
tm->tm_year += (nvr->regs[local->cent] * 100) - 1900;
|
2018-03-13 03:46:10 +01:00
|
|
|
} else {
|
|
|
|
|
/* NVR is in BCD data mode. */
|
2018-04-25 23:51:13 +02:00
|
|
|
tm->tm_sec = RTC_DCB(nvr->regs[RTC_SECONDS]);
|
|
|
|
|
tm->tm_min = RTC_DCB(nvr->regs[RTC_MINUTES]);
|
|
|
|
|
temp = RTC_DCB(nvr->regs[RTC_HOURS]);
|
|
|
|
|
tm->tm_wday = (RTC_DCB(nvr->regs[RTC_DOW]) - 1);
|
|
|
|
|
tm->tm_mday = RTC_DCB(nvr->regs[RTC_DOM]);
|
|
|
|
|
tm->tm_mon = (RTC_DCB(nvr->regs[RTC_MONTH]) - 1);
|
|
|
|
|
tm->tm_year = RTC_DCB(nvr->regs[RTC_YEAR]);
|
2018-07-15 01:41:53 +02:00
|
|
|
if (local->cent != 0xFF)
|
|
|
|
|
tm->tm_year += (RTC_DCB(nvr->regs[local->cent]) * 100) - 1900;
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Adjust for 12/24 hour mode. */
|
2018-04-25 23:51:13 +02:00
|
|
|
if (nvr->regs[RTC_REGB] & REGB_2412)
|
2018-03-13 03:46:10 +01:00
|
|
|
tm->tm_hour = temp;
|
|
|
|
|
else
|
|
|
|
|
tm->tm_hour = ((temp & ~RTC_AMPM)%12) + ((temp&RTC_AMPM) ? 12 : 0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Set the current NVR time. */
|
|
|
|
|
static void
|
2018-04-25 23:51:13 +02:00
|
|
|
time_set(nvr_t *nvr, struct tm *tm)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
2018-04-25 23:51:13 +02:00
|
|
|
local_t *local = (local_t *)nvr->data;
|
2018-03-13 03:46:10 +01:00
|
|
|
int year = (tm->tm_year + 1900);
|
|
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
if (nvr->regs[RTC_REGB] & REGB_DM) {
|
2018-03-13 03:46:10 +01:00
|
|
|
/* NVR is in Binary data mode. */
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_SECONDS] = tm->tm_sec;
|
|
|
|
|
nvr->regs[RTC_MINUTES] = tm->tm_min;
|
|
|
|
|
nvr->regs[RTC_DOW] = (tm->tm_wday + 1);
|
|
|
|
|
nvr->regs[RTC_DOM] = tm->tm_mday;
|
|
|
|
|
nvr->regs[RTC_MONTH] = (tm->tm_mon + 1);
|
|
|
|
|
nvr->regs[RTC_YEAR] = (year % 100);
|
2018-07-15 01:41:53 +02:00
|
|
|
if (local->cent != 0xFF)
|
|
|
|
|
nvr->regs[local->cent] = (year / 100);
|
2018-04-25 23:51:13 +02:00
|
|
|
|
|
|
|
|
if (nvr->regs[RTC_REGB] & REGB_2412) {
|
2018-03-13 03:46:10 +01:00
|
|
|
/* NVR is in 24h mode. */
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_HOURS] = tm->tm_hour;
|
2018-03-13 03:46:10 +01:00
|
|
|
} else {
|
|
|
|
|
/* NVR is in 12h mode. */
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_HOURS] = (tm->tm_hour % 12) ? (tm->tm_hour % 12) : 12;
|
2018-03-13 03:46:10 +01:00
|
|
|
if (tm->tm_hour > 11)
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_HOURS] |= RTC_AMPM;
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
/* NVR is in BCD data mode. */
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_SECONDS] = RTC_BCD(tm->tm_sec);
|
|
|
|
|
nvr->regs[RTC_MINUTES] = RTC_BCD(tm->tm_min);
|
2018-04-29 03:34:43 +02:00
|
|
|
nvr->regs[RTC_DOW] = RTC_BCD(tm->tm_wday + 1);
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_DOM] = RTC_BCD(tm->tm_mday);
|
2018-04-29 03:34:43 +02:00
|
|
|
nvr->regs[RTC_MONTH] = RTC_BCD(tm->tm_mon + 1);
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_YEAR] = RTC_BCD(year % 100);
|
2018-07-15 01:41:53 +02:00
|
|
|
if (local->cent != 0xFF)
|
|
|
|
|
nvr->regs[local->cent] = RTC_BCD(year / 100);
|
2018-04-25 23:51:13 +02:00
|
|
|
|
|
|
|
|
if (nvr->regs[RTC_REGB] & REGB_2412) {
|
2018-03-13 03:46:10 +01:00
|
|
|
/* NVR is in 24h mode. */
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_HOURS] = RTC_BCD(tm->tm_hour);
|
2018-03-13 03:46:10 +01:00
|
|
|
} else {
|
|
|
|
|
/* NVR is in 12h mode. */
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_HOURS] = (tm->tm_hour % 12)
|
2018-03-13 03:46:10 +01:00
|
|
|
? RTC_BCD(tm->tm_hour % 12)
|
|
|
|
|
: RTC_BCD(12);
|
|
|
|
|
if (tm->tm_hour > 11)
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->regs[RTC_HOURS] |= RTC_AMPM;
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Check if the current time matches a set alarm time. */
|
|
|
|
|
static int8_t
|
2018-04-25 23:51:13 +02:00
|
|
|
check_alarm(nvr_t *nvr, int8_t addr)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
2018-04-25 23:51:13 +02:00
|
|
|
return((nvr->regs[addr+1] == nvr->regs[addr]) ||
|
|
|
|
|
((nvr->regs[addr+1] & AL_DONTCARE) == AL_DONTCARE));
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2020-01-14 02:14:39 +01:00
|
|
|
/* Check for VIA stuff. */
|
|
|
|
|
static int8_t
|
|
|
|
|
check_alarm_via(nvr_t *nvr, int8_t addr, int8_t addr_2)
|
|
|
|
|
{
|
|
|
|
|
local_t *local = (local_t *)nvr->data;
|
|
|
|
|
|
|
|
|
|
if (local->cent == RTC_CENTURY_VIA) {
|
|
|
|
|
return((nvr->regs[addr_2] == nvr->regs[addr]) ||
|
|
|
|
|
((nvr->regs[addr_2] & AL_DONTCARE) == AL_DONTCARE));
|
|
|
|
|
} else
|
2021-06-06 23:57:26 +02:00
|
|
|
return 1;
|
2020-01-14 02:14:39 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
/* Update the NVR registers from the internal clock. */
|
|
|
|
|
static void
|
2018-04-25 23:51:13 +02:00
|
|
|
timer_update(void *priv)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
|
|
|
|
nvr_t *nvr = (nvr_t *)priv;
|
2018-04-25 23:51:13 +02:00
|
|
|
local_t *local = (local_t *)nvr->data;
|
2018-03-13 03:46:10 +01:00
|
|
|
struct tm tm;
|
|
|
|
|
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
local->ecount = 0LL;
|
|
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
if (! (nvr->regs[RTC_REGB] & REGB_SET)) {
|
|
|
|
|
/* Get the current time from the internal clock. */
|
|
|
|
|
nvr_time_get(&tm);
|
|
|
|
|
|
|
|
|
|
/* Update registers with current time. */
|
2018-04-25 23:51:13 +02:00
|
|
|
time_set(nvr, &tm);
|
|
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
/* Clear update status. */
|
2018-04-25 23:51:13 +02:00
|
|
|
local->stat = 0x00;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
|
|
|
|
/* Check for any alarms we need to handle. */
|
2018-04-25 23:51:13 +02:00
|
|
|
if (check_alarm(nvr, RTC_SECONDS) &&
|
|
|
|
|
check_alarm(nvr, RTC_MINUTES) &&
|
2020-01-14 02:14:39 +01:00
|
|
|
check_alarm(nvr, RTC_HOURS) &&
|
|
|
|
|
check_alarm_via(nvr, RTC_DOM, RTC_ALDAY) &&
|
2021-06-06 23:57:26 +02:00
|
|
|
check_alarm_via(nvr, RTC_MONTH, RTC_ALMONTH)/* &&
|
2021-04-21 21:54:23 +03:00
|
|
|
check_alarm_via(nvr, RTC_DOM, RTC_ALDAY_SIS) &&
|
2021-06-06 23:57:26 +02:00
|
|
|
check_alarm_via(nvr, RTC_MONTH, RTC_ALMONT_SIS)*/) {
|
2018-03-13 03:46:10 +01:00
|
|
|
nvr->regs[RTC_REGC] |= REGC_AF;
|
|
|
|
|
if (nvr->regs[RTC_REGB] & REGB_AIE) {
|
|
|
|
|
/* Generate an interrupt. */
|
2022-08-04 23:52:25 +02:00
|
|
|
if ((nvr->irq != -1) && (!(nvr->regs[RTC_REGC] & REGC_IRQF))) {
|
|
|
|
|
picintlevel(1 << nvr->irq);
|
|
|
|
|
nvr->regs[RTC_REGC] |= REGC_IRQF;
|
|
|
|
|
}
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* The flag and interrupt should be issued
|
|
|
|
|
* on update ended, not started.
|
|
|
|
|
*/
|
|
|
|
|
nvr->regs[RTC_REGC] |= REGC_UF;
|
|
|
|
|
if (nvr->regs[RTC_REGB] & REGB_UIE) {
|
|
|
|
|
/* Generate an interrupt. */
|
2022-08-04 23:52:25 +02:00
|
|
|
if ((nvr->irq != -1) && (!(nvr->regs[RTC_REGC] & REGC_IRQF))) {
|
|
|
|
|
picintlevel(1 << nvr->irq);
|
|
|
|
|
nvr->regs[RTC_REGC] |= REGC_IRQF;
|
|
|
|
|
}
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2019-11-19 04:47:00 +01:00
|
|
|
static void
|
|
|
|
|
timer_load_count(nvr_t *nvr)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
2019-11-19 04:47:00 +01:00
|
|
|
int c = nvr->regs[RTC_REGA] & REGA_RS;
|
|
|
|
|
local_t *local = (local_t *) nvr->data;
|
|
|
|
|
|
2022-07-16 04:29:19 +02:00
|
|
|
timer_disable(&local->rtc_timer);
|
|
|
|
|
|
2019-11-19 04:47:00 +01:00
|
|
|
if ((nvr->regs[RTC_REGA] & 0x70) != 0x20) {
|
|
|
|
|
local->state = 0;
|
|
|
|
|
return;
|
|
|
|
|
}
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2019-11-19 04:47:00 +01:00
|
|
|
local->state = 1;
|
|
|
|
|
|
|
|
|
|
switch (c) {
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
case 0:
|
2019-11-19 04:47:00 +01:00
|
|
|
local->state = 0;
|
|
|
|
|
break;
|
|
|
|
|
case 1: case 2:
|
|
|
|
|
local->count = 1 << (c + 6);
|
2022-07-16 04:29:19 +02:00
|
|
|
timer_set_delay_u64(&local->rtc_timer, (local->count) * RTCCONST);
|
2019-11-19 04:47:00 +01:00
|
|
|
break;
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
default:
|
2019-11-19 04:47:00 +01:00
|
|
|
local->count = 1 << (c - 1);
|
2022-07-16 04:29:19 +02:00
|
|
|
timer_set_delay_u64(&local->rtc_timer, (local->count) * RTCCONST);
|
2019-11-19 04:47:00 +01:00
|
|
|
break;
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
}
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
2018-04-25 23:51:13 +02:00
|
|
|
timer_intr(void *priv)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
|
|
|
|
nvr_t *nvr = (nvr_t *)priv;
|
2018-04-25 23:51:13 +02:00
|
|
|
local_t *local = (local_t *)nvr->data;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2019-11-19 04:47:00 +01:00
|
|
|
if (local->state == 1) {
|
2022-07-16 04:29:19 +02:00
|
|
|
timer_load_count(nvr);
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2022-07-16 04:29:19 +02:00
|
|
|
nvr->regs[RTC_REGC] |= REGC_PF;
|
|
|
|
|
if (nvr->regs[RTC_REGB] & REGB_PIE) {
|
|
|
|
|
/* Generate an interrupt. */
|
2022-08-04 23:52:25 +02:00
|
|
|
if ((nvr->irq != -1) && (!(nvr->regs[RTC_REGC] & REGC_IRQF))) {
|
|
|
|
|
picintlevel(1 << nvr->irq);
|
|
|
|
|
nvr->regs[RTC_REGC] |= REGC_IRQF;
|
|
|
|
|
}
|
2020-10-21 16:27:31 +02:00
|
|
|
}
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Callback from internal clock, another second passed. */
|
|
|
|
|
static void
|
2018-04-25 23:51:13 +02:00
|
|
|
timer_tick(nvr_t *nvr)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
2018-04-25 23:51:13 +02:00
|
|
|
local_t *local = (local_t *)nvr->data;
|
|
|
|
|
|
|
|
|
|
/* Only update it there is no SET in progress. */
|
|
|
|
|
if (! (nvr->regs[RTC_REGB] & REGB_SET)) {
|
|
|
|
|
/* Set the UIP bit, announcing the update. */
|
|
|
|
|
local->stat = REGA_UIP;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2018-07-15 01:41:53 +02:00
|
|
|
rtc_tick();
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
/* Schedule the actual update. */
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
local->ecount = (244ULL + 1984ULL) * TIMER_USEC;
|
|
|
|
|
timer_set_delay_u64(&local->update_timer, local->ecount);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2021-08-24 21:11:47 +02:00
|
|
|
static void
|
|
|
|
|
nvr_reg_common_write(uint16_t reg, uint8_t val, nvr_t *nvr, local_t *local)
|
|
|
|
|
{
|
2021-11-30 00:25:03 +01:00
|
|
|
if ((reg == 0x2c) && (local->flags & FLAG_AMI_1994_HACK))
|
2021-12-20 23:06:39 +01:00
|
|
|
nvr->is_new = 0;
|
2021-11-30 00:25:03 +01:00
|
|
|
if ((reg == 0x2d) && (local->flags & FLAG_AMI_1992_HACK))
|
2021-12-20 23:06:39 +01:00
|
|
|
nvr->is_new = 0;
|
2021-11-30 00:25:03 +01:00
|
|
|
if ((reg == 0x52) && (local->flags & FLAG_AMI_1995_HACK))
|
2021-12-20 23:06:39 +01:00
|
|
|
nvr->is_new = 0;
|
2021-08-24 21:11:47 +02:00
|
|
|
if ((reg >= 0x38) && (reg <= 0x3f) && local->wp[0])
|
|
|
|
|
return;
|
|
|
|
|
if ((reg >= 0xb8) && (reg <= 0xbf) && local->wp[1])
|
|
|
|
|
return;
|
|
|
|
|
if (local->lock[reg])
|
|
|
|
|
return;
|
|
|
|
|
if (nvr->regs[reg] != val) {
|
|
|
|
|
nvr->regs[reg] = val;
|
|
|
|
|
nvr_dosave = 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2020-04-13 20:01:47 +02:00
|
|
|
/* This must be exposed because ACPI uses it. */
|
|
|
|
|
void
|
|
|
|
|
nvr_reg_write(uint16_t reg, uint8_t val, void *priv)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
|
|
|
|
nvr_t *nvr = (nvr_t *)priv;
|
2018-04-25 23:51:13 +02:00
|
|
|
local_t *local = (local_t *)nvr->data;
|
2018-03-13 03:46:10 +01:00
|
|
|
struct tm tm;
|
2021-11-30 00:25:03 +01:00
|
|
|
uint8_t old;
|
2022-08-04 23:52:25 +02:00
|
|
|
uint8_t irq = 0, old_irq = 0;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2020-04-13 20:01:47 +02:00
|
|
|
old = nvr->regs[reg];
|
|
|
|
|
switch(reg) {
|
|
|
|
|
case RTC_REGA:
|
|
|
|
|
nvr->regs[RTC_REGA] = val;
|
|
|
|
|
timer_load_count(nvr);
|
|
|
|
|
break;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2020-04-13 20:01:47 +02:00
|
|
|
case RTC_REGB:
|
2022-08-04 23:52:25 +02:00
|
|
|
old_irq = (nvr->regs[RTC_REGB] & nvr->regs[RTC_REGC]) & 0x70;
|
2020-04-13 20:01:47 +02:00
|
|
|
nvr->regs[RTC_REGB] = val;
|
2021-11-30 00:25:03 +01:00
|
|
|
if (((old^val) & REGB_SET) && (val & REGB_SET)) {
|
2020-04-13 20:01:47 +02:00
|
|
|
/* According to the datasheet... */
|
|
|
|
|
nvr->regs[RTC_REGA] &= ~REGA_UIP;
|
|
|
|
|
nvr->regs[RTC_REGB] &= ~REGB_UIE;
|
|
|
|
|
}
|
2022-08-04 23:52:25 +02:00
|
|
|
irq = (nvr->regs[RTC_REGB] & nvr->regs[RTC_REGC]) & 0x70;
|
|
|
|
|
if (old_irq && !irq) {
|
|
|
|
|
picintc(1 << nvr->irq);
|
|
|
|
|
nvr->regs[RTC_REGC] &= ~REGC_IRQF;
|
|
|
|
|
} else if (!old_irq && irq) {
|
|
|
|
|
picintlevel(1 << nvr->irq);
|
|
|
|
|
nvr->regs[RTC_REGC] |= REGC_IRQF;
|
|
|
|
|
}
|
2020-04-13 20:01:47 +02:00
|
|
|
break;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2020-04-13 20:01:47 +02:00
|
|
|
case RTC_REGC: /* R/O */
|
2020-10-13 19:26:29 -03:00
|
|
|
break;
|
|
|
|
|
|
2020-04-13 20:01:47 +02:00
|
|
|
case RTC_REGD: /* R/O */
|
2021-08-09 07:19:12 +02:00
|
|
|
/* This is needed for VIA, where writing to this register changes a write-only
|
|
|
|
|
bit whose value is read from power management register 42. */
|
|
|
|
|
nvr->regs[RTC_REGD] = val & 0x80;
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
break;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2021-07-17 06:01:27 +02:00
|
|
|
case 0x32:
|
2021-07-30 06:27:21 +02:00
|
|
|
if ((reg == 0x32) && (local->cent == RTC_CENTURY_VIA) && local->wp_32)
|
2021-07-17 06:01:27 +02:00
|
|
|
break;
|
2021-08-24 21:11:47 +02:00
|
|
|
nvr_reg_common_write(reg, val, nvr, local);
|
|
|
|
|
break;
|
2021-07-17 06:01:27 +02:00
|
|
|
|
2020-04-13 20:01:47 +02:00
|
|
|
default: /* non-RTC registers are just NVRAM */
|
2021-08-24 21:11:47 +02:00
|
|
|
nvr_reg_common_write(reg, val, nvr, local);
|
2020-04-13 20:01:47 +02:00
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ((reg < RTC_REGA) || ((local->cent != 0xff) && (reg == local->cent))) {
|
|
|
|
|
if ((reg != 1) && (reg != 3) && (reg != 5)) {
|
|
|
|
|
if ((old != val) && !(time_sync & TIME_SYNC_ENABLED)) {
|
|
|
|
|
/* Update internal clock. */
|
|
|
|
|
time_get(nvr, &tm);
|
|
|
|
|
nvr_time_set(&tm);
|
|
|
|
|
nvr_dosave = 1;
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
}
|
2020-04-13 20:01:47 +02:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Write to one of the NVR registers. */
|
|
|
|
|
static void
|
|
|
|
|
nvr_write(uint16_t addr, uint8_t val, void *priv)
|
|
|
|
|
{
|
|
|
|
|
nvr_t *nvr = (nvr_t *)priv;
|
|
|
|
|
local_t *local = (local_t *)nvr->data;
|
|
|
|
|
uint8_t addr_id = (addr & 0x0e) >> 1;
|
|
|
|
|
|
2020-11-26 18:20:24 +01:00
|
|
|
cycles -= ISA_CYCLES(8);
|
2020-04-13 20:01:47 +02:00
|
|
|
|
2020-11-16 00:01:21 +01:00
|
|
|
if (local->bank[addr_id] == 0xff)
|
|
|
|
|
return;
|
|
|
|
|
|
2020-04-13 20:01:47 +02:00
|
|
|
if (addr & 1) {
|
2020-11-16 00:01:21 +01:00
|
|
|
// if (local->bank[addr_id] == 0xff)
|
|
|
|
|
// return;
|
2020-04-13 20:01:47 +02:00
|
|
|
nvr_reg_write(local->addr[addr_id], val, priv);
|
2018-03-13 03:46:10 +01:00
|
|
|
} else {
|
2020-01-14 02:14:39 +01:00
|
|
|
local->addr[addr_id] = (val & (nvr->size - 1));
|
|
|
|
|
/* Some chipsets use a 256 byte NVRAM but ports 70h and 71h always access only 128 bytes. */
|
|
|
|
|
if (addr_id == 0x0)
|
|
|
|
|
local->addr[addr_id] &= 0x7f;
|
2020-03-01 00:16:58 +01:00
|
|
|
else if ((addr_id == 0x1) && (local->flags & FLAG_PIIX4))
|
|
|
|
|
local->addr[addr_id] = (local->addr[addr_id] & 0x7f) | 0x80;
|
2020-04-10 22:32:03 +02:00
|
|
|
if (local->bank[addr_id] > 0)
|
|
|
|
|
local->addr[addr_id] = (local->addr[addr_id] & 0x7f) | (0x80 * local->bank[addr_id]);
|
2022-03-25 19:42:43 -04:00
|
|
|
if (!(local->flags & FLAG_NO_NMI))
|
2018-03-13 03:46:10 +01:00
|
|
|
nmi_mask = (~val & 0x80);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Read from one of the NVR registers. */
|
|
|
|
|
static uint8_t
|
|
|
|
|
nvr_read(uint16_t addr, void *priv)
|
|
|
|
|
{
|
|
|
|
|
nvr_t *nvr = (nvr_t *)priv;
|
2018-04-25 23:51:13 +02:00
|
|
|
local_t *local = (local_t *)nvr->data;
|
2018-03-13 03:46:10 +01:00
|
|
|
uint8_t ret;
|
2020-01-14 02:14:39 +01:00
|
|
|
uint8_t addr_id = (addr & 0x0e) >> 1;
|
2020-10-16 23:06:23 +02:00
|
|
|
uint16_t i, checksum = 0x0000;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2020-11-26 18:20:24 +01:00
|
|
|
cycles -= ISA_CYCLES(8);
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2021-03-21 01:59:46 +01:00
|
|
|
if (local->bank[addr_id] == 0xff)
|
2021-07-17 06:01:27 +02:00
|
|
|
ret = 0xff;
|
|
|
|
|
else if (addr & 1) switch(local->addr[addr_id]) {
|
2018-03-13 03:46:10 +01:00
|
|
|
case RTC_REGA:
|
2018-04-25 23:51:13 +02:00
|
|
|
ret = (nvr->regs[RTC_REGA] & 0x7f) | local->stat;
|
2018-03-13 03:46:10 +01:00
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RTC_REGC:
|
|
|
|
|
ret = nvr->regs[RTC_REGC];
|
2022-08-04 23:52:25 +02:00
|
|
|
picintc(1 << nvr->irq);
|
2018-03-13 03:46:10 +01:00
|
|
|
nvr->regs[RTC_REGC] = 0x00;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case RTC_REGD:
|
2021-07-18 04:52:32 +02:00
|
|
|
/* Bits 6-0 of this register always read 0. Bit 7 is battery state,
|
|
|
|
|
we should always return it set, as that means the battery is OK. */
|
|
|
|
|
ret = REGD_VRT;
|
2018-03-13 03:46:10 +01:00
|
|
|
break;
|
|
|
|
|
|
2020-01-20 04:02:49 +01:00
|
|
|
case 0x2c:
|
2021-12-20 23:06:39 +01:00
|
|
|
if (!nvr->is_new && (local->flags & FLAG_AMI_1994_HACK))
|
2020-01-20 04:02:49 +01:00
|
|
|
ret = nvr->regs[local->addr[addr_id]] & 0x7f;
|
|
|
|
|
else
|
|
|
|
|
ret = nvr->regs[local->addr[addr_id]];
|
|
|
|
|
break;
|
|
|
|
|
|
2021-11-30 00:25:03 +01:00
|
|
|
case 0x2d:
|
2021-12-20 23:06:39 +01:00
|
|
|
if (!nvr->is_new && (local->flags & FLAG_AMI_1992_HACK))
|
2021-11-30 00:25:03 +01:00
|
|
|
ret = nvr->regs[local->addr[addr_id]] & 0xf7;
|
|
|
|
|
else
|
|
|
|
|
ret = nvr->regs[local->addr[addr_id]];
|
|
|
|
|
break;
|
|
|
|
|
|
2020-01-20 04:02:49 +01:00
|
|
|
case 0x2e:
|
|
|
|
|
case 0x2f:
|
2021-12-20 23:06:39 +01:00
|
|
|
if (!nvr->is_new && (local->flags & FLAG_AMI_1992_HACK)) {
|
2021-11-30 00:25:03 +01:00
|
|
|
for (i = 0x10; i <= 0x2d; i++) {
|
|
|
|
|
if (i == 0x2d)
|
|
|
|
|
checksum += (nvr->regs[i] & 0xf7);
|
|
|
|
|
else
|
|
|
|
|
checksum += nvr->regs[i];
|
|
|
|
|
}
|
|
|
|
|
if (local->addr[addr_id] == 0x2e)
|
|
|
|
|
ret = checksum >> 8;
|
|
|
|
|
else
|
|
|
|
|
ret = checksum & 0xff;
|
2021-12-20 23:06:39 +01:00
|
|
|
} else if (!nvr->is_new && (local->flags & FLAG_AMI_1994_HACK)) {
|
2020-10-16 23:06:23 +02:00
|
|
|
for (i = 0x10; i <= 0x2d; i++) {
|
|
|
|
|
if (i == 0x2c)
|
|
|
|
|
checksum += (nvr->regs[i] & 0x7f);
|
|
|
|
|
else
|
|
|
|
|
checksum += nvr->regs[i];
|
|
|
|
|
}
|
2020-01-20 04:02:49 +01:00
|
|
|
if (local->addr[addr_id] == 0x2e)
|
|
|
|
|
ret = checksum >> 8;
|
|
|
|
|
else
|
|
|
|
|
ret = checksum & 0xff;
|
|
|
|
|
} else
|
|
|
|
|
ret = nvr->regs[local->addr[addr_id]];
|
|
|
|
|
break;
|
|
|
|
|
|
2020-10-16 13:05:19 +02:00
|
|
|
case 0x3e:
|
|
|
|
|
case 0x3f:
|
2021-12-20 23:06:39 +01:00
|
|
|
if (!nvr->is_new && (local->flags & FLAG_AMI_1995_HACK)) {
|
2020-10-16 23:06:23 +02:00
|
|
|
/* The checksum at 3E-3F is for 37-3D and 40-7F. */
|
|
|
|
|
for (i = 0x37; i <= 0x3d; i++)
|
|
|
|
|
checksum += nvr->regs[i];
|
|
|
|
|
for (i = 0x40; i <= 0x7f; i++) {
|
|
|
|
|
if (i == 0x52)
|
|
|
|
|
checksum += (nvr->regs[i] & 0xf3);
|
|
|
|
|
else
|
|
|
|
|
checksum += nvr->regs[i];
|
|
|
|
|
}
|
2020-10-16 13:05:19 +02:00
|
|
|
if (local->addr[addr_id] == 0x3e)
|
|
|
|
|
ret = checksum >> 8;
|
|
|
|
|
else
|
|
|
|
|
ret = checksum & 0xff;
|
2021-12-20 23:06:39 +01:00
|
|
|
} else if (!nvr->is_new && (local->flags & FLAG_P6RP4_HACK)) {
|
2021-10-26 01:54:35 +02:00
|
|
|
/* The checksum at 3E-3F is for 37-3D and 40-51. */
|
|
|
|
|
for (i = 0x37; i <= 0x3d; i++)
|
|
|
|
|
checksum += nvr->regs[i];
|
|
|
|
|
for (i = 0x40; i <= 0x51; i++) {
|
|
|
|
|
if (i == 0x43)
|
|
|
|
|
checksum += (nvr->regs[i] | 0x02);
|
|
|
|
|
else
|
|
|
|
|
checksum += nvr->regs[i];
|
|
|
|
|
}
|
|
|
|
|
if (local->addr[addr_id] == 0x3e)
|
|
|
|
|
ret = checksum >> 8;
|
|
|
|
|
else
|
|
|
|
|
ret = checksum & 0xff;
|
2020-10-16 13:05:19 +02:00
|
|
|
} else
|
|
|
|
|
ret = nvr->regs[local->addr[addr_id]];
|
|
|
|
|
break;
|
|
|
|
|
|
2021-10-26 01:54:35 +02:00
|
|
|
case 0x43:
|
2021-12-20 23:06:39 +01:00
|
|
|
if (!nvr->is_new && (local->flags & FLAG_P6RP4_HACK))
|
2021-10-26 01:54:35 +02:00
|
|
|
ret = nvr->regs[local->addr[addr_id]] | 0x02;
|
|
|
|
|
else
|
|
|
|
|
ret = nvr->regs[local->addr[addr_id]];
|
|
|
|
|
break;
|
|
|
|
|
|
2020-10-16 13:05:19 +02:00
|
|
|
case 0x52:
|
2021-12-20 23:06:39 +01:00
|
|
|
if (!nvr->is_new && (local->flags & FLAG_AMI_1995_HACK))
|
2020-10-16 13:05:19 +02:00
|
|
|
ret = nvr->regs[local->addr[addr_id]] & 0xf3;
|
|
|
|
|
else
|
|
|
|
|
ret = nvr->regs[local->addr[addr_id]];
|
|
|
|
|
break;
|
|
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
default:
|
2020-01-14 02:14:39 +01:00
|
|
|
ret = nvr->regs[local->addr[addr_id]];
|
2018-03-13 03:46:10 +01:00
|
|
|
break;
|
2020-04-16 21:56:19 +02:00
|
|
|
} else {
|
2020-01-14 02:14:39 +01:00
|
|
|
ret = local->addr[addr_id];
|
2020-04-16 21:56:19 +02:00
|
|
|
if (!local->read_addr)
|
|
|
|
|
ret &= 0x80;
|
2020-11-16 00:01:21 +01:00
|
|
|
if (alt_access)
|
|
|
|
|
ret = (ret & 0x7f) | (nmi_mask ? 0x00 : 0x80);
|
2020-04-16 21:56:19 +02:00
|
|
|
}
|
2018-03-13 03:46:10 +01:00
|
|
|
|
|
|
|
|
return(ret);
|
|
|
|
|
}
|
|
|
|
|
|
2022-07-16 04:29:19 +02:00
|
|
|
|
2020-04-10 22:32:03 +02:00
|
|
|
/* Secondary NVR write - used by SMC. */
|
|
|
|
|
static void
|
|
|
|
|
nvr_sec_write(uint16_t addr, uint8_t val, void *priv)
|
|
|
|
|
{
|
|
|
|
|
nvr_write(0x72 + (addr & 1), val, priv);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Secondary NVR read - used by SMC. */
|
|
|
|
|
static uint8_t
|
|
|
|
|
nvr_sec_read(uint16_t addr, void *priv)
|
|
|
|
|
{
|
|
|
|
|
return nvr_read(0x72 + (addr & 1), priv);
|
|
|
|
|
}
|
|
|
|
|
|
2022-07-16 04:29:19 +02:00
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
/* Reset the RTC state to 1980/01/01 00:00. */
|
|
|
|
|
static void
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr_reset(nvr_t *nvr)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
2018-04-25 23:51:13 +02:00
|
|
|
local_t *local = (local_t *)nvr->data;
|
|
|
|
|
|
2018-10-06 01:48:21 +02:00
|
|
|
/* memset(nvr->regs, local->def, RTC_REGS); */
|
|
|
|
|
memset(nvr->regs, local->def, nvr->size);
|
2018-03-13 03:46:10 +01:00
|
|
|
nvr->regs[RTC_DOM] = 1;
|
|
|
|
|
nvr->regs[RTC_MONTH] = 1;
|
|
|
|
|
nvr->regs[RTC_YEAR] = RTC_BCD(80);
|
2018-07-15 01:41:53 +02:00
|
|
|
if (local->cent != 0xFF)
|
|
|
|
|
nvr->regs[local->cent] = RTC_BCD(19);
|
2021-08-09 07:19:12 +02:00
|
|
|
|
|
|
|
|
nvr->regs[RTC_REGD] = REGD_VRT;
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Process after loading from file. */
|
|
|
|
|
static void
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr_start(nvr_t *nvr)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
int i;
|
|
|
|
|
local_t *local = (local_t *) nvr->data;
|
|
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
struct tm tm;
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
int default_found = 0;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < nvr->size; i++) {
|
|
|
|
|
if (nvr->regs[i] == local->def)
|
|
|
|
|
default_found++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (default_found == nvr->size)
|
|
|
|
|
nvr->regs[0x0e] = 0xff; /* If load failed or it loaded an uninitialized NVR,
|
|
|
|
|
mark everything as bad. */
|
2018-03-13 03:46:10 +01:00
|
|
|
|
|
|
|
|
/* Initialize the internal and chip times. */
|
2018-08-01 17:52:20 +02:00
|
|
|
if (time_sync & TIME_SYNC_ENABLED) {
|
2018-03-13 03:46:10 +01:00
|
|
|
/* Use the internal clock's time. */
|
|
|
|
|
nvr_time_get(&tm);
|
2018-04-25 23:51:13 +02:00
|
|
|
time_set(nvr, &tm);
|
2018-03-13 03:46:10 +01:00
|
|
|
} else {
|
|
|
|
|
/* Set the internal clock from the chip time. */
|
2018-04-25 23:51:13 +02:00
|
|
|
time_get(nvr, &tm);
|
2018-03-13 03:46:10 +01:00
|
|
|
nvr_time_set(&tm);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Start the RTC. */
|
|
|
|
|
nvr->regs[RTC_REGA] = (REGA_RS2|REGA_RS1);
|
|
|
|
|
nvr->regs[RTC_REGB] = REGB_2412;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
static void
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
nvr_at_speed_changed(void *priv)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
nvr_t *nvr = (nvr_t *) priv;
|
|
|
|
|
local_t *local = (local_t *) nvr->data;
|
|
|
|
|
|
2022-07-16 04:29:19 +02:00
|
|
|
timer_load_count(nvr);
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
|
|
|
|
|
timer_disable(&local->update_timer);
|
|
|
|
|
if (local->ecount > 0ULL)
|
|
|
|
|
timer_set_delay_u64(&local->update_timer, local->ecount);
|
|
|
|
|
|
|
|
|
|
timer_disable(&nvr->onesec_time);
|
|
|
|
|
timer_set_delay_u64(&nvr->onesec_time, (10000ULL * TIMER_USEC));
|
2018-04-25 23:51:13 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2020-01-14 02:14:39 +01:00
|
|
|
void
|
|
|
|
|
nvr_at_handler(int set, uint16_t base, nvr_t *nvr)
|
|
|
|
|
{
|
|
|
|
|
io_handler(set, base, 2,
|
2020-11-16 00:01:21 +01:00
|
|
|
nvr_read,NULL,NULL, nvr_write,NULL,NULL, nvr);
|
2020-01-14 02:14:39 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2020-04-10 22:32:03 +02:00
|
|
|
void
|
|
|
|
|
nvr_at_sec_handler(int set, uint16_t base, nvr_t *nvr)
|
|
|
|
|
{
|
|
|
|
|
io_handler(set, base, 2,
|
2020-11-16 00:01:21 +01:00
|
|
|
nvr_sec_read,NULL,NULL, nvr_sec_write,NULL,NULL, nvr);
|
2020-04-10 22:32:03 +02:00
|
|
|
}
|
|
|
|
|
|
2020-04-16 21:56:19 +02:00
|
|
|
void
|
|
|
|
|
nvr_read_addr_set(int set, nvr_t *nvr)
|
|
|
|
|
{
|
|
|
|
|
local_t *local = (local_t *) nvr->data;
|
|
|
|
|
|
|
|
|
|
local->read_addr = set;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2020-02-29 19:12:23 +01:00
|
|
|
void
|
|
|
|
|
nvr_wp_set(int set, int h, nvr_t *nvr)
|
|
|
|
|
{
|
|
|
|
|
local_t *local = (local_t *) nvr->data;
|
|
|
|
|
|
|
|
|
|
local->wp[h] = set;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2021-07-17 06:01:27 +02:00
|
|
|
void
|
|
|
|
|
nvr_via_wp_set(int set, int reg, nvr_t *nvr)
|
|
|
|
|
{
|
|
|
|
|
local_t *local = (local_t *) nvr->data;
|
|
|
|
|
|
|
|
|
|
if (reg == 0x0d)
|
|
|
|
|
local->wp_0d = set;
|
|
|
|
|
else
|
|
|
|
|
local->wp_32 = set;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2020-04-10 22:32:03 +02:00
|
|
|
void
|
|
|
|
|
nvr_bank_set(int base, uint8_t bank, nvr_t *nvr)
|
|
|
|
|
{
|
|
|
|
|
local_t *local = (local_t *) nvr->data;
|
|
|
|
|
|
|
|
|
|
local->bank[base] = bank;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
nvr_lock_set(int base, int size, int lock, nvr_t *nvr)
|
|
|
|
|
{
|
|
|
|
|
local_t *local = (local_t *) nvr->data;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < size; i++)
|
|
|
|
|
local->lock[base + i] = lock;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2021-09-07 18:40:21 +02:00
|
|
|
void
|
|
|
|
|
nvr_irq_set(int irq, nvr_t *nvr)
|
|
|
|
|
{
|
|
|
|
|
nvr->irq = irq;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2021-07-18 04:52:32 +02:00
|
|
|
static void
|
|
|
|
|
nvr_at_reset(void *priv)
|
|
|
|
|
{
|
|
|
|
|
nvr_t *nvr = (nvr_t *) priv;
|
|
|
|
|
|
|
|
|
|
/* These bits are reset on reset. */
|
|
|
|
|
nvr->regs[RTC_REGB] &= ~(REGB_PIE | REGB_AIE | REGB_UIE | REGB_SQWE);
|
|
|
|
|
nvr->regs[RTC_REGC] &= ~(REGC_PF | REGC_AF | REGC_UF | REGC_IRQF);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
static void *
|
|
|
|
|
nvr_at_init(const device_t *info)
|
|
|
|
|
{
|
|
|
|
|
local_t *local;
|
2018-03-13 03:46:10 +01:00
|
|
|
nvr_t *nvr;
|
|
|
|
|
|
|
|
|
|
/* Allocate an NVR for this machine. */
|
|
|
|
|
nvr = (nvr_t *)malloc(sizeof(nvr_t));
|
2018-04-25 23:51:13 +02:00
|
|
|
if (nvr == NULL) return(NULL);
|
2018-10-06 02:05:06 +02:00
|
|
|
memset(nvr, 0x00, sizeof(nvr_t));
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
local = (local_t *)malloc(sizeof(local_t));
|
2018-07-15 01:41:53 +02:00
|
|
|
memset(local, 0x00, sizeof(local_t));
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->data = local;
|
|
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
/* This is machine specific. */
|
|
|
|
|
nvr->size = machines[machine].nvrmask + 1;
|
2020-04-10 22:32:03 +02:00
|
|
|
local->lock = (uint8_t *) malloc(nvr->size);
|
|
|
|
|
memset(local->lock, 0x00, nvr->size);
|
2021-04-21 21:56:37 +03:00
|
|
|
local->def = 0xff /*0x00*/;
|
2020-03-01 00:16:58 +01:00
|
|
|
local->flags = 0x00;
|
2020-01-14 02:14:39 +01:00
|
|
|
switch(info->local & 7) {
|
2018-07-15 01:41:53 +02:00
|
|
|
case 0: /* standard AT, no century register */
|
2021-10-26 01:54:35 +02:00
|
|
|
if (info->local == 16) {
|
|
|
|
|
local->flags |= FLAG_P6RP4_HACK;
|
|
|
|
|
nvr->irq = 8;
|
|
|
|
|
local->cent = RTC_CENTURY_AT;
|
|
|
|
|
} else {
|
|
|
|
|
nvr->irq = 8;
|
|
|
|
|
local->cent = 0xff;
|
|
|
|
|
}
|
2018-07-15 01:41:53 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 1: /* standard AT */
|
2021-11-30 00:25:03 +01:00
|
|
|
case 5: /* AMI WinBIOS 1994 */
|
|
|
|
|
case 6: /* AMI BIOS 1995 */
|
2021-04-21 22:32:16 +03:00
|
|
|
if (info->local == 9)
|
2020-03-01 00:16:58 +01:00
|
|
|
local->flags |= FLAG_PIIX4;
|
2020-10-16 13:05:19 +02:00
|
|
|
else {
|
2021-04-25 18:47:33 +02:00
|
|
|
local->def = 0x00;
|
2020-10-16 13:05:19 +02:00
|
|
|
if ((info->local & 7) == 5)
|
2021-11-30 00:25:03 +01:00
|
|
|
local->flags |= FLAG_AMI_1994_HACK;
|
2020-10-16 13:05:19 +02:00
|
|
|
else if ((info->local & 7) == 6)
|
2021-11-30 00:25:03 +01:00
|
|
|
local->flags |= FLAG_AMI_1995_HACK;
|
2021-04-25 18:47:33 +02:00
|
|
|
else
|
|
|
|
|
local->def = 0xff;
|
2020-10-16 13:05:19 +02:00
|
|
|
}
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->irq = 8;
|
|
|
|
|
local->cent = RTC_CENTURY_AT;
|
|
|
|
|
break;
|
|
|
|
|
|
2018-07-15 01:41:53 +02:00
|
|
|
case 2: /* PS/1 or PS/2 */
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->irq = 8;
|
|
|
|
|
local->cent = RTC_CENTURY_PS;
|
2021-04-26 00:15:15 +02:00
|
|
|
local->def = 0x00;
|
2022-03-25 19:42:43 -04:00
|
|
|
if (info->local & 8)
|
|
|
|
|
local->flags |= FLAG_NO_NMI;
|
2018-04-25 23:51:13 +02:00
|
|
|
break;
|
|
|
|
|
|
2018-07-15 01:41:53 +02:00
|
|
|
case 3: /* Amstrad PC's */
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->irq = 1;
|
|
|
|
|
local->cent = RTC_CENTURY_AT;
|
2018-10-06 01:48:21 +02:00
|
|
|
local->def = 0xff;
|
2022-03-25 19:42:43 -04:00
|
|
|
if (info->local & 8)
|
|
|
|
|
local->flags |= FLAG_NO_NMI;
|
2018-10-06 01:48:21 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case 4: /* IBM AT */
|
2021-11-30 00:25:03 +01:00
|
|
|
if (info->local == 12) {
|
|
|
|
|
local->def = 0x00;
|
|
|
|
|
local->flags |= FLAG_AMI_1992_HACK;
|
2022-07-31 02:23:58 +02:00
|
|
|
} else if (info->local == 20)
|
|
|
|
|
local->def = 0x00;
|
|
|
|
|
else
|
2021-11-30 00:25:03 +01:00
|
|
|
local->def = 0xff;
|
2018-10-06 01:48:21 +02:00
|
|
|
nvr->irq = 8;
|
|
|
|
|
local->cent = RTC_CENTURY_AT;
|
2018-04-25 23:51:13 +02:00
|
|
|
break;
|
2018-10-06 01:48:21 +02:00
|
|
|
|
2020-10-16 13:05:19 +02:00
|
|
|
case 7: /* VIA VT82C586B */
|
2020-01-14 02:14:39 +01:00
|
|
|
nvr->irq = 8;
|
|
|
|
|
local->cent = RTC_CENTURY_VIA;
|
|
|
|
|
break;
|
2018-04-25 23:51:13 +02:00
|
|
|
}
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2020-04-16 21:56:19 +02:00
|
|
|
local->read_addr = 1;
|
|
|
|
|
|
2018-03-13 03:46:10 +01:00
|
|
|
/* Set up any local handlers here. */
|
2018-04-25 23:51:13 +02:00
|
|
|
nvr->reset = nvr_reset;
|
|
|
|
|
nvr->start = nvr_start;
|
|
|
|
|
nvr->tick = timer_tick;
|
2018-03-13 03:46:10 +01:00
|
|
|
|
|
|
|
|
/* Initialize the generic NVR. */
|
|
|
|
|
nvr_init(nvr);
|
|
|
|
|
|
2020-02-29 19:12:23 +01:00
|
|
|
if (nvr_at_inited == 0) {
|
|
|
|
|
/* Start the timers. */
|
|
|
|
|
timer_add(&local->update_timer, timer_update, nvr, 0);
|
2019-11-19 04:47:00 +01:00
|
|
|
|
2020-02-29 19:12:23 +01:00
|
|
|
timer_add(&local->rtc_timer, timer_intr, nvr, 0);
|
2021-07-18 04:52:32 +02:00
|
|
|
/* On power on, if the oscillator is disabled, it's reenabled. */
|
|
|
|
|
if ((nvr->regs[RTC_REGA] & 0x70) == 0x00)
|
|
|
|
|
nvr->regs[RTC_REGA] = (nvr->regs[RTC_REGA] & 0x8f) | 0x20;
|
|
|
|
|
nvr_at_reset(nvr);
|
2020-02-29 19:12:23 +01:00
|
|
|
timer_load_count(nvr);
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2020-02-29 19:12:23 +01:00
|
|
|
/* Set up the I/O handler for this device. */
|
|
|
|
|
io_sethandler(0x0070, 2,
|
2020-01-14 02:14:39 +01:00
|
|
|
nvr_read,NULL,NULL, nvr_write,NULL,NULL, nvr);
|
2021-06-06 23:57:26 +02:00
|
|
|
if (info->local & 8) {
|
2020-02-29 19:12:23 +01:00
|
|
|
io_sethandler(0x0072, 2,
|
|
|
|
|
nvr_read,NULL,NULL, nvr_write,NULL,NULL, nvr);
|
2021-06-06 23:57:26 +02:00
|
|
|
}
|
2020-02-29 19:12:23 +01:00
|
|
|
|
|
|
|
|
nvr_at_inited = 1;
|
2020-01-14 02:14:39 +01:00
|
|
|
}
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
return(nvr);
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
static void
|
|
|
|
|
nvr_at_close(void *priv)
|
2018-03-13 03:46:10 +01:00
|
|
|
{
|
Added the IBM 5161 ISA expansion for PC and XT;
Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
2019-09-20 14:02:30 +02:00
|
|
|
nvr_t *nvr = (nvr_t *) priv;
|
|
|
|
|
local_t *local = (local_t *) nvr->data;
|
|
|
|
|
|
|
|
|
|
nvr_close();
|
|
|
|
|
|
|
|
|
|
timer_disable(&local->rtc_timer);
|
|
|
|
|
timer_disable(&local->update_timer);
|
|
|
|
|
timer_disable(&nvr->onesec_time);
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2021-04-04 18:04:39 +02:00
|
|
|
if (nvr != NULL) {
|
|
|
|
|
if (nvr->fn != NULL)
|
|
|
|
|
free(nvr->fn);
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2021-04-04 18:04:39 +02:00
|
|
|
if (nvr->data != NULL)
|
|
|
|
|
free(nvr->data);
|
2018-03-13 03:46:10 +01:00
|
|
|
|
2021-04-04 18:04:39 +02:00
|
|
|
free(nvr);
|
|
|
|
|
}
|
2020-02-29 19:12:23 +01:00
|
|
|
|
|
|
|
|
if (nvr_at_inited == 1)
|
|
|
|
|
nvr_at_inited = 0;
|
2018-03-13 03:46:10 +01:00
|
|
|
}
|
2018-04-25 23:51:13 +02:00
|
|
|
|
2018-07-15 01:41:53 +02:00
|
|
|
const device_t at_nvr_old_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "PC/AT NVRAM (No century)",
|
|
|
|
|
.internal_name = "at_nvr_old",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 0,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2018-07-15 01:41:53 +02:00
|
|
|
};
|
|
|
|
|
|
2018-04-25 23:51:13 +02:00
|
|
|
const device_t at_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "PC/AT NVRAM",
|
|
|
|
|
.internal_name = "at_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 1,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2018-04-25 23:51:13 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const device_t ps_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "PS/1 or PS/2 NVRAM",
|
|
|
|
|
.internal_name = "ps_nvr",
|
|
|
|
|
.flags = DEVICE_PS2,
|
|
|
|
|
.local = 2,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2018-04-25 23:51:13 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const device_t amstrad_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "Amstrad NVRAM",
|
|
|
|
|
.internal_name = "amstrad_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 3,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2018-04-25 23:51:13 +02:00
|
|
|
};
|
2018-10-06 01:48:21 +02:00
|
|
|
|
|
|
|
|
const device_t ibmat_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "IBM AT NVRAM",
|
|
|
|
|
.internal_name = "ibmat_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 4,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2018-10-06 01:48:21 +02:00
|
|
|
};
|
2020-01-14 02:14:39 +01:00
|
|
|
|
2020-02-29 19:12:23 +01:00
|
|
|
const device_t piix4_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "Intel PIIX4 PC/AT NVRAM",
|
|
|
|
|
.internal_name = "piix4_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 9,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2020-02-29 19:12:23 +01:00
|
|
|
};
|
|
|
|
|
|
2022-03-25 19:42:43 -04:00
|
|
|
const device_t ps_no_nmi_nvr_device = {
|
|
|
|
|
"PS/1 or PS/2 NVRAM (No NMI)",
|
|
|
|
|
"ps1_nvr",
|
|
|
|
|
DEVICE_PS2,
|
|
|
|
|
10,
|
|
|
|
|
nvr_at_init, nvr_at_close, nvr_at_reset,
|
|
|
|
|
{ NULL }, nvr_at_speed_changed,
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const device_t amstrad_no_nmi_nvr_device = {
|
|
|
|
|
"Amstrad NVRAM (No NMI)",
|
|
|
|
|
"amstrad_nvr",
|
|
|
|
|
DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
11,
|
|
|
|
|
nvr_at_init, nvr_at_close, nvr_at_reset,
|
|
|
|
|
{ NULL }, nvr_at_speed_changed,
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
|
2021-11-30 00:25:03 +01:00
|
|
|
const device_t ami_1992_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "AMI Color 1992 PC/AT NVRAM",
|
|
|
|
|
.internal_name = "ami_1992_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 12,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2021-11-30 00:25:03 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
const device_t ami_1994_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "AMI WinBIOS 1994 PC/AT NVRAM",
|
|
|
|
|
.internal_name = "ami_1994_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 13,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2020-01-20 04:02:49 +01:00
|
|
|
};
|
|
|
|
|
|
2021-11-30 00:25:03 +01:00
|
|
|
const device_t ami_1995_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "AMI WinBIOS 1995 PC/AT NVRAM",
|
|
|
|
|
.internal_name = "ami_1995_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 14,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2020-10-16 13:05:19 +02:00
|
|
|
};
|
|
|
|
|
|
2020-01-14 02:14:39 +01:00
|
|
|
const device_t via_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "VIA PC/AT NVRAM",
|
|
|
|
|
.internal_name = "via_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 15,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2020-01-14 02:14:39 +01:00
|
|
|
};
|
2021-10-26 01:54:35 +02:00
|
|
|
|
|
|
|
|
const device_t p6rp4_nvr_device = {
|
2022-03-13 09:15:11 -04:00
|
|
|
.name = "ASUS P/I-P6RP4 PC/AT NVRAM",
|
|
|
|
|
.internal_name = "p6rp4_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 16,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
2021-10-26 01:54:35 +02:00
|
|
|
};
|
2022-07-31 02:23:58 +02:00
|
|
|
|
|
|
|
|
const device_t amstrad_megapc_nvr_device = {
|
|
|
|
|
.name = "Amstrad MegapC NVRAM",
|
|
|
|
|
.internal_name = "amstrad_megapc_nvr",
|
|
|
|
|
.flags = DEVICE_ISA | DEVICE_AT,
|
|
|
|
|
.local = 20,
|
|
|
|
|
.init = nvr_at_init,
|
|
|
|
|
.close = nvr_at_close,
|
|
|
|
|
.reset = nvr_at_reset,
|
|
|
|
|
{ .available = NULL },
|
|
|
|
|
.speed_changed = nvr_at_speed_changed,
|
|
|
|
|
.force_redraw = NULL,
|
|
|
|
|
.config = NULL
|
|
|
|
|
};
|