claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge pull request #2755 from jriwanek-forks/tabstospaces

Browse Source 
Correct many file headers to show 86box
This commit is contained in:
Miran Grča
2022-10-29 17:06:18 +02:00
committed by GitHub
parent c798caa686 47f6257240
commit c2402daf1e
52 changed files with 1433 additions and 1475 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
src/machine/m_at.c
View File

@@ -1,22 +1,22 @@
/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the VARCem Project.
* This file is part of the 86Box distribution.
*
* Standard PC/AT implementation.
* Standard PC/AT implementation.
*
*
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2017-2020 Fred N. van Kempen.
* Copyright 2016-2020 Miran Grca.
* Copyright 2008-2020 Sarah Walker.
* Copyright 2017-2020 Fred N. van Kempen.
* Copyright 2016-2020 Miran Grca.
* Copyright 2008-2020 Sarah Walker.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

24
src/machine/m_at_commodore.c
View File

@@ -1,22 +1,22 @@
/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the VARCem Project.
* This file is part of the 86Box distribution.
*
* Implementation of the Commodore PC3 system.
* Implementation of the Commodore PC3 system.
*
*
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2017,2018 Fred N. van Kempen.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2018 Sarah Walker.
* Copyright 2017,2018 Fred N. van Kempen.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2018 Sarah Walker.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

202
src/machine/m_at_t3100e.c
View File

@@ -1,131 +1,131 @@
/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the VARCem Project.
* This file is part of the 86Box distribution.
*
* Implementation of the Toshiba T3100e.
* Implementation of the Toshiba T3100e.
*
* The Toshiba 3100e is a 286-based portable.
* The Toshiba 3100e is a 286-based portable.
*
* To bring up the BIOS setup screen hold down the 'Fn' key
* on booting.
* To bring up the BIOS setup screen hold down the 'Fn' key
* on booting.
*
* Memory management
* ~~~~~~~~~~~~~~~~~
* Memory management
* ~~~~~~~~~~~~~~~~~
*
* Motherboard memory is divided into:
* - Conventional memory: Either 512k or 640k
* - Upper memory: Either 512k or 384k, depending on
* amount of conventional memory.
* Upper memory can be used as EMS or XMS.
* - High memory: 0-4Mb, depending on RAM installed.
* The BIOS setup screen allows some or
* all of this to be used as EMS; the
* remainder is XMS.
* Motherboard memory is divided into:
* - Conventional memory: Either 512k or 640k
* - Upper memory: Either 512k or 384k, depending on
* amount of conventional memory.
* Upper memory can be used as EMS or XMS.
* - High memory: 0-4Mb, depending on RAM installed.
* The BIOS setup screen allows some or
* all of this to be used as EMS; the
* remainder is XMS.
*
* Additional memory (either EMS or XMS) can also be provided
* by ISA expansion cards.
* Additional memory (either EMS or XMS) can also be provided
* by ISA expansion cards.
*
* Under test in PCem, the BIOS will boot with up to 65368Kb
* of memory in total (16Mb less 16k). However it will give
* an error with RAM sizes above 8Mb, if any of the high
* memory is allocated as EMS, because the builtin EMS page
* registers can only access up to 8Mb.
* Under test in PCem, the BIOS will boot with up to 65368Kb
* of memory in total (16Mb less 16k). However it will give
* an error with RAM sizes above 8Mb, if any of the high
* memory is allocated as EMS, because the builtin EMS page
* registers can only access up to 8Mb.
*
* Memory is controlled by writes to I/O port 8084h:
* Bit 7: Always 0 }
* Bit 6: Always 1 } These bits select which motherboard
* Bit 5: Always 0 } function to access.
* Bit 4: Set to treat upper RAM as XMS
* Bit 3: Enable external RAM boards?
* Bit 2: Set for 640k conventional memory, clear for 512k
* Bit 1: Enable RAM beyond 1Mb.
* Bit 0: Enable EMS.
* Memory is controlled by writes to I/O port 8084h:
* Bit 7: Always 0 }
* Bit 6: Always 1 } These bits select which motherboard
* Bit 5: Always 0 } function to access.
* Bit 4: Set to treat upper RAM as XMS
* Bit 3: Enable external RAM boards?
* Bit 2: Set for 640k conventional memory, clear for 512k
* Bit 1: Enable RAM beyond 1Mb.
* Bit 0: Enable EMS.
*
* The last value written to this port is saved at 0040:0093h,
* and in CMOS memory at offset 0x37. If the top bit of the
* CMOS byte is set, then high memory is being provided by
* an add-on card rather than the mainboard; accordingly,
* the BIOS will not allow high memory to be used as EMS.
* The last value written to this port is saved at 0040:0093h,
* and in CMOS memory at offset 0x37. If the top bit of the
* CMOS byte is set, then high memory is being provided by
* an add-on card rather than the mainboard; accordingly,
* the BIOS will not allow high memory to be used as EMS.
*
* EMS is controlled by 16 page registers:
* EMS is controlled by 16 page registers:
*
* Page mapped at 0xD000 0xD400 0xD800 0xDC00
* ------------------------------------------------------
* Pages 0x00-0x7F 0x208 0x4208 0x8208 0xc208
* Pages 0x80-0xFF 0x218 0x4218 0x8218 0xc218
* Pages 0x100-0x17F 0x258 0x4258 0x8258 0xc258
* Pages 0x180-0x1FF 0x268 0x4268 0x8268 0xc268
* Page mapped at 0xD000 0xD400 0xD800 0xDC00
* ------------------------------------------------------
* Pages 0x00-0x7F 0x208 0x4208 0x8208 0xc208
* Pages 0x80-0xFF 0x218 0x4218 0x8218 0xc218
* Pages 0x100-0x17F 0x258 0x4258 0x8258 0xc258
* Pages 0x180-0x1FF 0x268 0x4268 0x8268 0xc268
*
* The value written has bit 7 set to enable EMS, reset to
* disable it.
* The value written has bit 7 set to enable EMS, reset to
* disable it.
*
* So:
* OUT 0x208, 0x80 will page in the first 16k page at 0xD0000.
* OUT 0x208, 0x00 will page out EMS, leaving nothing at 0xD0000.
* OUT 0x4208, 0x80 will page in the first 16k page at 0xD4000.
* OUT 0x218, 0x80 will page in the 129th 16k page at 0xD0000.
* etc.
* So:
* OUT 0x208, 0x80 will page in the first 16k page at 0xD0000.
* OUT 0x208, 0x00 will page out EMS, leaving nothing at 0xD0000.
* OUT 0x4208, 0x80 will page in the first 16k page at 0xD4000.
* OUT 0x218, 0x80 will page in the 129th 16k page at 0xD0000.
* etc.
*
* To use EMS from DOS, you will need the Toshiba EMS driver
* (TOSHEMM.ZIP). This supports the above system, plus further
* ranges of ports at 0x_2A8, 0x_2B8, 0x_2C8.
* To use EMS from DOS, you will need the Toshiba EMS driver
* (TOSHEMM.ZIP). This supports the above system, plus further
* ranges of ports at 0x_2A8, 0x_2B8, 0x_2C8.
*
* Features not implemented:
* > Four video fonts.
* > BIOS-controlled mapping of serial ports to IRQs.
* > Custom keyboard controller. This has a number of extra
* commands in the 0xB0-0xBC range, for such things as turbo
* on/off, and switching the keyboard between AT and PS/2
* modes. Currently I have only implemented command 0xBB,
* so that self-test completes successfully. Commands include:
* Features not implemented:
* > Four video fonts.
* > BIOS-controlled mapping of serial ports to IRQs.
* > Custom keyboard controller. This has a number of extra
* commands in the 0xB0-0xBC range, for such things as turbo
* on/off, and switching the keyboard between AT and PS/2
* modes. Currently I have only implemented command 0xBB,
* so that self-test completes successfully. Commands include:
*
* 0xB0: Turbo on
* 0xB1: Turbo off
* 0xB2: Internal display on?
* 0xB3: Internal display off?
* 0xB5: Get settings byte (bottom bit is color/mono setting)
* 0xB6: Set settings byte
* 0xB7: Behave as 101-key PS/2 keyboard
* 0xB8: Behave as 84-key AT keyboard
* 0xBB: Return a byte, bit 2 is Fn key state, other bits unknown.
* 0xB0: Turbo on
* 0xB1: Turbo off
* 0xB2: Internal display on?
* 0xB3: Internal display off?
* 0xB5: Get settings byte (bottom bit is color/mono setting)
* 0xB6: Set settings byte
* 0xB7: Behave as 101-key PS/2 keyboard
* 0xB8: Behave as 84-key AT keyboard
* 0xBB: Return a byte, bit 2 is Fn key state, other bits unknown.
*
* The other main I/O port needed to POST is:
* 0x8084: System control.
* Top 3 bits give command, bottom 5 bits give parameters.
* 000 => set serial port IRQ / addresses
* bit 4: IRQ5 serial port base: 1 => 0x338, 0 => 0x3E8
* bits 3, 2, 0 specify serial IRQs for COM1, COM2, COM3:
* 00 0 => 4, 3, 5
* The other main I/O port needed to POST is:
* 0x8084: System control.
* Top 3 bits give command, bottom 5 bits give parameters.
* 000 => set serial port IRQ / addresses
* bit 4: IRQ5 serial port base: 1 => 0x338, 0 => 0x3E8
* bits 3, 2, 0 specify serial IRQs for COM1, COM2, COM3:
* 00 0 => 4, 3, 5
* 00 1 => 4, 5, 3
* 01 0 => 3, 4, 5
* 01 1 => 3, 5, 4
* 10 0 => 4, -, 3
* 10 1 => 3, -, 4
* 010 => set memory mappings
* bit 4 set if upper RAM is XMS
* bit 3 enable add-on memory boards beyond 5Mb?
* bit 2 set for 640k sysram, clear for 512k sysram
* bit 1 enable mainboard XMS
* bit 0 enable mainboard EMS
* 100 => set parallel mode / LCD settings
* bit 4 set for bidirectional parallel port
* bit 3 set to disable internal CGA
* bit 2 set for single-pixel LCD font
* bits 0,1 for display font
* 010 => set memory mappings
* bit 4 set if upper RAM is XMS
* bit 3 enable add-on memory boards beyond 5Mb?
* bit 2 set for 640k sysram, clear for 512k sysram
* bit 1 enable mainboard XMS
* bit 0 enable mainboard EMS
* 100 => set parallel mode / LCD settings
* bit 4 set for bidirectional parallel port
* bit 3 set to disable internal CGA
* bit 2 set for single-pixel LCD font
* bits 0,1 for display font
*
*
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2017,2018 Fred N. van Kempen.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2018 Sarah Walker.
* Copyright 2017,2018 Fred N. van Kempen.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2018 Sarah Walker.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -486,7 +486,7 @@ t3100e_sys_in(uint16_t addr, void *p)
void
t3100e_sys_out(uint16_t addr, uint8_t val, void *p)
{
// struct t3100e_ems_regs *regs = (struct t3100e_ems_regs *)p;
// struct t3100e_ems_regs *regs = (struct t3100e_ems_regs *)p;
switch (val & 0xE0) {
case 0x00: /* Set serial port IRQs. Not implemented */

50
src/machine/m_at_t3100e_vid.c
View File

@@ -1,36 +1,36 @@
/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the VARCem Project.
* This file is part of the 86Box distribution.
*
* Implementation of the Toshiba 3100e plasma display.
* This display has a fixed 640x400 resolution.
* Implementation of the Toshiba 3100e plasma display.
* This display has a fixed 640x400 resolution.
*
* T3100e CRTC regs (from the ROM):
* T3100e CRTC regs (from the ROM):
*
* Selecting a character height of 3 seems to be sufficient to
* convert the 640x200 graphics mode to 640x400 (and, by
* analogy, 320x200 to 320x400).
* Selecting a character height of 3 seems to be sufficient to
* convert the 640x200 graphics mode to 640x400 (and, by
* analogy, 320x200 to 320x400).
*
* Horiz-----> Vert------> I ch
* 38 28 2D 0A 1F 06 19 1C 02 07 06 07 CO40
* 71 50 5A 0A 1F 06 19 1C 02 07 06 07 CO80
* 38 28 2D 0A 7F 06 64 70 02 01 06 07 Graphics
* 61 50 52 0F 19 06 19 19 02 0D 0B 0C MONO
* 2D 28 22 0A 67 00 64 67 02 03 06 07 640x400
* Horiz-----> Vert------> I ch
* 38 28 2D 0A 1F 06 19 1C 02 07 06 07 CO40
* 71 50 5A 0A 1F 06 19 1C 02 07 06 07 CO80
* 38 28 2D 0A 7F 06 64 70 02 01 06 07 Graphics
* 61 50 52 0F 19 06 19 19 02 0D 0B 0C MONO
* 2D 28 22 0A 67 00 64 67 02 03 06 07 640x400
*
*
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2017-2019 Fred N. van Kempen.
* Copyright 2016-2019 Miran Grca.
* Copyright 2008-2019 Sarah Walker.
* Copyright 2017-2019 Fred N. van Kempen.
* Copyright 2016-2019 Miran Grca.
* Copyright 2008-2019 Sarah Walker.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -561,9 +561,9 @@ t3100e_recalcattrs(t3100e_t *t3100e)
* Bit 0: Attributes 01-06, 08-0E are inverse video
* Bit 1: Attributes 01-06, 08-0E are bold
* Bit 2: Attributes 11-16, 18-1F, 21-26, 28-2F ... F1-F6, F8-FF
* are inverse video
* are inverse video
* Bit 3: Attributes 11-16, 18-1F, 21-26, 28-2F ... F1-F6, F8-FF
* are bold */
* are bold */
/* Set up colours */
amber = makecol(0xf7, 0x7C, 0x34);

328
src/machine/m_ps1_hdc.c
View File

@@ -1,74 +1,72 @@
/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
*
* This file is part of the VARCem Project.
* Implementation of the PS/1 Model 2011 disk controller.
*
* Implementation of the PS/1 Model 2011 disk controller.
* XTA is the acronym for 'XT-Attached', which was basically
* the XT-counterpart to what we know now as IDE (which is
* also named ATA - AT Attachment.) The basic ideas was to
* put the actual drive controller electronics onto the drive
* itself, and have the host machine just talk to that using
* a simpe, standardized I/O path- hence the name IDE, for
* Integrated Drive Electronics.
*
* XTA is the acronym for 'XT-Attached', which was basically
* the XT-counterpart to what we know now as IDE (which is
* also named ATA - AT Attachment.) The basic ideas was to
* put the actual drive controller electronics onto the drive
* itself, and have the host machine just talk to that using
* a simpe, standardized I/O path- hence the name IDE, for
* Integrated Drive Electronics.
* In the ATA version of IDE, the programming interface of
* the IBM PC/AT (which used the Western Digitial 1002/1003
* controllers) was kept, and, so, ATA-IDE assumes a 16bit
* data path: it reads and writes 16bit words of data. The
* disk drives for this bus commonly have an 'A' suffix to
* identify them as 'ATBUS'.
*
* In the ATA version of IDE, the programming interface of
* the IBM PC/AT (which used the Western Digitial 1002/1003
* controllers) was kept, and, so, ATA-IDE assumes a 16bit
* data path: it reads and writes 16bit words of data. The
* disk drives for this bus commonly have an 'A' suffix to
* identify them as 'ATBUS'.
* In XTA-IDE, which is slightly older, the programming
* interface of the IBM PC/XT (which used the MFM controller
* from Xebec) was kept, and, so, it uses an 8bit data path.
* Disk drives for this bus commonly have the 'X' suffix to
* mark them as being for this XTBUS variant.
*
* In XTA-IDE, which is slightly older, the programming
* interface of the IBM PC/XT (which used the MFM controller
* from Xebec) was kept, and, so, it uses an 8bit data path.
* Disk drives for this bus commonly have the 'X' suffix to
* mark them as being for this XTBUS variant.
* So, XTA and ATA try to do the same thing, but they use
* different ways to achive their goal.
*
* So, XTA and ATA try to do the same thing, but they use
* different ways to achive their goal.
* Also, XTA is **not** the same as XTIDE. XTIDE is a modern
* variant of ATA-IDE, but retro-fitted for use on 8bit XT
* systems: an extra register is used to deal with the extra
* data byte per transfer. XTIDE uses regular IDE drives,
* and uses the regular ATA/IDE programming interface, just
* with the extra register.
*
* Also, XTA is **not** the same as XTIDE. XTIDE is a modern
* variant of ATA-IDE, but retro-fitted for use on 8bit XT
* systems: an extra register is used to deal with the extra
* data byte per transfer. XTIDE uses regular IDE drives,
* and uses the regular ATA/IDE programming interface, just
* with the extra register.
*
* NOTE: We should probably find a nicer way to integrate our Disk
* Type table with the main code, so the user can only select
* items from that list...
* NOTE: We should probably find a nicer way to integrate our Disk
* Type table with the main code, so the user can only select
* items from that list...
*
*
*
* Author: Fred N. van Kempen, <decwiz@yahoo.com>
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
*
* Based on my earlier HD20 driver for the EuroPC.
* Thanks to Marco Bortolin for the help and feedback !!
* Based on my earlier HD20 driver for the EuroPC.
* Thanks to Marco Bortolin for the help and feedback !!
*
* Copyright 2017-2019 Fred N. van Kempen.
* Copyright 2017-2019 Fred N. van Kempen.
*
* Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that the
* following conditions are met:
* Redistribution and use in source and binary forms, with
* or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain the entire
* above notice, this list of conditions and the following
* disclaimer.
* 1. Redistributions of source code must retain the entire
* above notice, this list of conditions and the following
* disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names
* of its contributors may be used to endorse or promote
* products derived from this software without specific
* prior written permission.
* 3. Neither the name of the copyright holder nor the names
* of its contributors may be used to endorse or promote
* products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
@@ -165,56 +163,56 @@ enum {
#pragma pack(push, 1)
typedef struct {
/* Status byte 0. */
uint8_t track_0 : 1, /* T0 */
mbz1 : 1, /* 0 */
mbz2 : 1, /* 0 */
cylinder_err : 1, /* CE */
write_fault : 1, /* WF */
mbz3 : 1, /* 0 */
seek_end : 1, /* SE */
not_ready : 1; /* NR */
uint8_t track_0 : 1, /* T0 */
mbz1 : 1, /* 0 */
mbz2 : 1, /* 0 */
cylinder_err : 1, /* CE */
write_fault : 1, /* WF */
mbz3 : 1, /* 0 */
seek_end : 1, /* SE */
not_ready : 1; /* NR */
/* Status byte 1. */
uint8_t id_not_found : 1, /* ID */
mbz4 : 1, /* 0 */
mbz5 : 1, /* 0 */
wrong_cyl : 1, /* WC */
all_bit_set : 1, /* BT */
mark_not_found : 1, /* AM */
ecc_crc_err : 1, /* ET */
ecc_crc_field : 1; /* EF */
uint8_t id_not_found : 1, /* ID */
mbz4 : 1, /* 0 */
mbz5 : 1, /* 0 */
wrong_cyl : 1, /* WC */
all_bit_set : 1, /* BT */
mark_not_found : 1, /* AM */
ecc_crc_err : 1, /* ET */
ecc_crc_field : 1; /* EF */
/* Status byte 2. */
uint8_t headsel_state : 4, /* headsel state[4] */
defective_sector : 1, /* DS */
retried_ok : 1, /* RG */
need_reset : 1, /* RR */
uint8_t headsel_state : 4, /* headsel state[4] */
defective_sector : 1, /* DS */
retried_ok : 1, /* RG */
need_reset : 1, /* RR */
#if 1
valid : 1; /* 0 (abused as VALID) */
valid : 1; /* 0 (abused as VALID) */
#else
mbz6 : 1; /* 0 */
mbz6 : 1; /* 0 */
#endif
/* Most recent ID field seen. */
uint8_t last_cyl_low; /* Cyl_Low[8] */
uint8_t last_head : 4, /* HD[4] */
mbz7 : 1, /* 0 */
last_cyl_high : 2, /* Cyl_high[2] */
last_def_sect : 1; /* DS */
uint8_t last_sect; /* Sect[8] */
uint8_t last_cyl_low; /* Cyl_Low[8] */
uint8_t last_head : 4, /* HD[4] */
mbz7 : 1, /* 0 */
last_cyl_high : 2, /* Cyl_high[2] */
last_def_sect : 1; /* DS */
uint8_t last_sect; /* Sect[8] */
uint8_t sect_size; /* Size[8] = 02 */
uint8_t sect_size; /* Size[8] = 02 */
/* Current position. */
uint8_t curr_cyl_high : 2, /* Cyl_High_[2] */
mbz8 : 1, /* 0 */
mbz9 : 1, /* 0 */
curr_head : 4; /* HD_2[4] */
uint8_t curr_cyl_low; /* Cyl_Low_2[8] */
uint8_t curr_cyl_high : 2, /* Cyl_High_[2] */
mbz8 : 1, /* 0 */
mbz9 : 1, /* 0 */
curr_head : 4; /* HD_2[4] */
uint8_t curr_cyl_low; /* Cyl_Low_2[8] */
uint8_t sect_corr; /* sectors corrected */
uint8_t sect_corr; /* sectors corrected */
uint8_t retries; /* retries */
uint8_t retries; /* retries */
/*
* This byte shows the progress of the controller through the
@@ -235,7 +233,7 @@ typedef struct {
* transfer:
*
* Bit 7 A sector was transferred between the system
* and the sector buffer.
* and the sector buffer.
*
* Bit 6 A sector was transferred between the controller
* and the sector buffer.
@@ -249,11 +247,11 @@ typedef struct {
* 4. When the transfer is complete, the low nibble equals hex 4
* and the high nibble is unchanged.
*/
uint8_t cmd_syndrome; /* command syndrome */
uint8_t cmd_syndrome; /* command syndrome */
uint8_t drive_type; /* drive type */
uint8_t drive_type; /* drive type */
uint8_t rsvd; /* reserved byte */
uint8_t rsvd; /* reserved byte */
} ssb_t;
#pragma pack(pop)
@@ -293,20 +291,20 @@ typedef struct {
*/
#pragma pack(push, 1)
typedef struct {
uint8_t cyl_high : 2, /* cylinder [9:8] bits */
defective_sector : 1, /* DS */
mbz1 : 1, /* 0 */
head : 4; /* head number */
uint8_t cyl_high : 2, /* cylinder [9:8] bits */
defective_sector : 1, /* DS */
mbz1 : 1, /* 0 */
head : 4; /* head number */
uint8_t cyl_low; /* cylinder [7:0] bits */
uint8_t cyl_low; /* cylinder [7:0] bits */
uint8_t sector; /* sector number */
uint8_t sector; /* sector number */
uint8_t mbz2 : 1, /* 0 */
mbo : 1, /* 1 */
mbz3 : 6; /* 000000 */
uint8_t mbz2 : 1, /* 0 */
mbo : 1, /* 1 */
mbz3 : 6; /* 000000 */
uint8_t fill; /* filler byte */
uint8_t fill; /* filler byte */
} fcb_t;
#pragma pack(pop)
@@ -319,25 +317,25 @@ typedef struct {
*/
#pragma pack(push, 1)
typedef struct {
uint8_t ec_p : 1, /* EC/P (ecc/park) */
mbz1 : 1, /* 0 */
auto_seek : 1, /* AS (auto-seek) */
no_data : 1, /* ND (no data) */
cmd : 4; /* command code[4] */
uint8_t ec_p : 1, /* EC/P (ecc/park) */
mbz1 : 1, /* 0 */
auto_seek : 1, /* AS (auto-seek) */
no_data : 1, /* ND (no data) */
cmd : 4; /* command code[4] */
uint8_t cyl_high : 2, /* cylinder [9:8] bits */
mbz2 : 2, /* 00 */
head : 4; /* head number */
uint8_t cyl_high : 2, /* cylinder [9:8] bits */
mbz2 : 2, /* 00 */
head : 4; /* head number */
uint8_t cyl_low; /* cylinder [7:0] bits */
uint8_t cyl_low; /* cylinder [7:0] bits */
uint8_t sector; /* sector number */
uint8_t sector; /* sector number */
uint8_t mbz3 : 1, /* 0 */
mbo1 : 1, /* 1 */
mbz4 : 6; /* 000000 */
uint8_t mbz3 : 1, /* 0 */
mbo1 : 1, /* 1 */
mbz4 : 6; /* 000000 */
uint8_t count; /* blk count/interleave */
uint8_t count; /* blk count/interleave */
} ccb_t;
#pragma pack(pop)
@@ -417,51 +415,51 @@ typedef struct {
*/
static const geom_t ibm_type_table[] = {
// clang-format off
{ 0, 0, 0, 0, 0 }, /* 0 (none) */
{ 306, 4, 17, 128, 305 }, /* 1 10 MB */
{ 615, 4, 17, 300, 615 }, /* 2 20 MB */
{ 615, 6, 17, 300, 615 }, /* 3 31 MB */
{ 940, 8, 17, 512, 940 }, /* 4 62 MB */
{ 940, 6, 17, 512, 940 }, /* 5 47 MB */
{ 615, 4, 17, -1, 615 }, /* 6 20 MB */
{ 462, 8, 17, 256, 511 }, /* 7 31 MB */
{ 733, 5, 17, -1, 733 }, /* 8 30 MB */
{ 900, 15, 17, -1, 901 }, /* 9 112 MB */
{ 820, 3, 17, -1, 820 }, /* 10 20 MB */
{ 855, 5, 17, -1, 855 }, /* 11 35 MB */
{ 855, 7, 17, -1, 855 }, /* 12 50 MB */
{ 306, 8, 17, 128, 319 }, /* 13 20 MB */
{ 733, 7, 17, -1, 733 }, /* 14 43 MB */
{ 0, 0, 0, 0, 0 }, /* 15 (rsvd) */
{ 612, 4, 17, 0, 663 }, /* 16 20 MB */
{ 977, 5, 17, 300, 977 }, /* 17 41 MB */
{ 977, 7, 17, -1, 977 }, /* 18 57 MB */
{ 1024, 7, 17, 512, 1023 }, /* 19 59 MB */
{ 733, 5, 17, 300, 732 }, /* 20 30 MB */
{ 733, 7, 17, 300, 732 }, /* 21 43 MB */
{ 733, 5, 17, 300, 733 }, /* 22 30 MB */
{ 306, 4, 17, 0, 336 }, /* 23 10 MB */
{ 612, 4, 17, 305, 663 }, /* 24 20 MB */
{ 306, 4, 17, -1, 340 }, /* 25 10 MB */
{ 612, 4, 17, -1, 670 }, /* 26 20 MB */
{ 698, 7, 17, 300, 732 }, /* 27 41 MB */
{ 976, 5, 17, 488, 977 }, /* 28 40 MB */
{ 306, 4, 17, 0, 340 }, /* 29 10 MB */
{ 611, 4, 17, 306, 663 }, /* 30 20 MB */
{ 732, 7, 17, 300, 732 }, /* 31 43 MB */
{ 1023, 5, 17, -1, 1023 }, /* 32 42 MB */
{ 614, 4, 25, -1, 663 }, /* 33 30 MB */
{ 775, 2, 27, -1, 900 }, /* 34 20 MB */
{ 921, 2, 33, -1, 1000 }, /* 35 30 MB * */
{ 402, 4, 26, -1, 460 }, /* 36 20 MB */
{ 580, 6, 26, -1, 640 }, /* 37 44 MB */
{ 845, 2, 36, -1, 1023 }, /* 38 30 MB * */
{ 769, 3, 36, -1, 1023 }, /* 39 41 MB * */
{ 531, 4, 39, -1, 532 }, /* 40 40 MB */
{ 577, 2, 36, -1, 1023 }, /* 41 20 MB */
{ 654, 2, 32, -1, 674 }, /* 42 20 MB */
{ 923, 5, 36, -1, 1023 }, /* 43 81 MB */
{ 531, 8, 39, -1, 532 } /* 44 81 MB */
{ 0, 0, 0, 0, 0 }, /* 0 (none) */
{ 306, 4, 17, 128, 305 }, /* 1 10 MB */
{ 615, 4, 17, 300, 615 }, /* 2 20 MB */
{ 615, 6, 17, 300, 615 }, /* 3 31 MB */
{ 940, 8, 17, 512, 940 }, /* 4 62 MB */
{ 940, 6, 17, 512, 940 }, /* 5 47 MB */
{ 615, 4, 17, -1, 615 }, /* 6 20 MB */
{ 462, 8, 17, 256, 511 }, /* 7 31 MB */
{ 733, 5, 17, -1, 733 }, /* 8 30 MB */
{ 900, 15, 17, -1, 901 }, /* 9 112 MB */
{ 820, 3, 17, -1, 820 }, /* 10 20 MB */
{ 855, 5, 17, -1, 855 }, /* 11 35 MB */
{ 855, 7, 17, -1, 855 }, /* 12 50 MB */
{ 306, 8, 17, 128, 319 }, /* 13 20 MB */
{ 733, 7, 17, -1, 733 }, /* 14 43 MB */
{ 0, 0, 0, 0, 0 }, /* 15 (rsvd) */
{ 612, 4, 17, 0, 663 }, /* 16 20 MB */
{ 977, 5, 17, 300, 977 }, /* 17 41 MB */
{ 977, 7, 17, -1, 977 }, /* 18 57 MB */
{ 1024, 7, 17, 512, 1023 }, /* 19 59 MB */
{ 733, 5, 17, 300, 732 }, /* 20 30 MB */
{ 733, 7, 17, 300, 732 }, /* 21 43 MB */
{ 733, 5, 17, 300, 733 }, /* 22 30 MB */
{ 306, 4, 17, 0, 336 }, /* 23 10 MB */
{ 612, 4, 17, 305, 663 }, /* 24 20 MB */
{ 306, 4, 17, -1, 340 }, /* 25 10 MB */
{ 612, 4, 17, -1, 670 }, /* 26 20 MB */
{ 698, 7, 17, 300, 732 }, /* 27 41 MB */
{ 976, 5, 17, 488, 977 }, /* 28 40 MB */
{ 306, 4, 17, 0, 340 }, /* 29 10 MB */
{ 611, 4, 17, 306, 663 }, /* 30 20 MB */
{ 732, 7, 17, 300, 732 }, /* 31 43 MB */
{ 1023, 5, 17, -1, 1023 }, /* 32 42 MB */
{ 614, 4, 25, -1, 663 }, /* 33 30 MB */
{ 775, 2, 27, -1, 900 }, /* 34 20 MB */
{ 921, 2, 33, -1, 1000 }, /* 35 30 MB * */
{ 402, 4, 26, -1, 460 }, /* 36 20 MB */
{ 580, 6, 26, -1, 640 }, /* 37 44 MB */
{ 845, 2, 36, -1, 1023 }, /* 38 30 MB * */
{ 769, 3, 36, -1, 1023 }, /* 39 41 MB * */
{ 531, 4, 39, -1, 532 }, /* 40 40 MB */
{ 577, 2, 36, -1, 1023 }, /* 41 20 MB */
{ 654, 2, 32, -1, 674 }, /* 42 20 MB */
{ 923, 5, 36, -1, 1023 }, /* 43 81 MB */
{ 531, 8, 39, -1, 532 } /* 44 81 MB */
// clang-format on
};
@@ -663,7 +661,7 @@ do_format(hdc_t *dev, drive_t *drive, ccb_t *ccb)
/* Point to the FCB we got. */
#if 0
fcb = (fcb_t *)dev->data;
fcb = (fcb_t *)dev->data;
#endif
dev->state = STATE_FINIT;
/*FALLTHROUGH*/
@@ -693,7 +691,7 @@ do_fmt:
* use it's "filler byte" value...
*/
#if 0
hdd_image_zero_ex(drive->hdd_num, addr, fcb->fill, drive->spt);
hdd_image_zero_ex(drive->hdd_num, addr, fcb->fill, drive->spt);
#else
hdd_image_zero(drive->hdd_num, addr, drive->spt);
#endif

24
src/machine/m_ps2_mca.c
View File

@@ -1,22 +1,22 @@
/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the VARCem Project.
* This file is part of the 86Box distribution.
*
* Implementation of MCA-based PS/2 machines.
* Implementation of MCA-based PS/2 machines.
*
*
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2017-2019 Fred N. van Kempen.
* Copyright 2016-2019 Miran Grca.
* Copyright 2008-2019 Sarah Walker.
* Copyright 2017-2019 Fred N. van Kempen.
* Copyright 2016-2019 Miran Grca.
* Copyright 2008-2019 Sarah Walker.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

92
src/machine/m_xt_t1000.c
View File

@@ -1,65 +1,65 @@
/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the VARCem Project.
* This file is part of the 86Box distribution.
*
* Implementation of the Toshiba T1000 and T1200 portables.
* Implementation of the Toshiba T1000 and T1200 portables.
*
* The T1000 is the T3100e's little brother -- a real laptop
* with a rechargeable battery.
* The T1000 is the T3100e's little brother -- a real laptop
* with a rechargeable battery.
*
* Features: 80C88 at 4.77MHz
* - 512k system RAM
* - 640x200 monochrome LCD
* - 82-key keyboard
* - Real-time clock. Not the normal 146818, but a TC8521,
* which is a 4-bit chip.
* - A ROM drive (128k, 256k or 512k) which acts as a mini
* hard drive and contains a copy of DOS 2.11.
* - 160 bytes of non-volatile RAM for the CONFIG.SYS used
* when booting from the ROM drive. Possibly physically
* located in the keyboard controller RAM.
* Features: 80C88 at 4.77MHz
* - 512k system RAM
* - 640x200 monochrome LCD
* - 82-key keyboard
* - Real-time clock. Not the normal 146818, but a TC8521,
* which is a 4-bit chip.
* - A ROM drive (128k, 256k or 512k) which acts as a mini
* hard drive and contains a copy of DOS 2.11.
* - 160 bytes of non-volatile RAM for the CONFIG.SYS used
* when booting from the ROM drive. Possibly physically
* located in the keyboard controller RAM.
*
* An optional memory expansion board can be fitted. This adds
* 768k of RAM, which can be used for up to three purposes:
* > Conventional memory -- 128k between 512k and 640k
* > HardRAM -- a battery-backed RAM drive.
* > EMS
* An optional memory expansion board can be fitted. This adds
* 768k of RAM, which can be used for up to three purposes:
* > Conventional memory -- 128k between 512k and 640k
* > HardRAM -- a battery-backed RAM drive.
* > EMS
*
* This means that there are up to three different
* implementations of non-volatile RAM in the same computer
* (52 nibbles in the TC8521, 160 bytes of CONFIG.SYS, and
* up to 768k of HardRAM).
* This means that there are up to three different
* implementations of non-volatile RAM in the same computer
* (52 nibbles in the TC8521, 160 bytes of CONFIG.SYS, and
* up to 768k of HardRAM).
*
* The T1200 is a slightly upgraded version with a turbo mode
* (double CPU clock, 9.54MHz) and an optional hard drive.
* The interface for this is proprietary both at the physical
* and programming level.
* The T1200 is a slightly upgraded version with a turbo mode
* (double CPU clock, 9.54MHz) and an optional hard drive.
* The interface for this is proprietary both at the physical
* and programming level.
*
* 01F2h: If hard drive is present, low 4 bits are 0Ch [20Mb]
* or 0Dh [10Mb].
* 01F2h: If hard drive is present, low 4 bits are 0Ch [20Mb]
* or 0Dh [10Mb].
*
* The hard drive is a 20MB (615/2/26) RLL 3.5" drive.
* The hard drive is a 20MB (615/2/26) RLL 3.5" drive.
*
* The TC8521 is a 4-bit RTC, so each memory location can only
* hold a single BCD digit. Hence everything has 'ones' and
* 'tens' digits.
* The TC8521 is a 4-bit RTC, so each memory location can only
* hold a single BCD digit. Hence everything has 'ones' and
* 'tens' digits.
*
* NOTE: Still need to figure out a way to load/save ConfigSys and
* HardRAM stuff. Needs to be linked in to the NVR code.
* NOTE: Still need to figure out a way to load/save ConfigSys and
* HardRAM stuff. Needs to be linked in to the NVR code.
*
*
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2018,2019 Fred N. van Kempen.
* Copyright 2018,2019 Miran Grca.
* Copyright 2018,2019 Sarah Walker.
* Copyright 2018,2019 Fred N. van Kempen.
* Copyright 2018,2019 Miran Grca.
* Copyright 2018,2019 Sarah Walker.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by

30
src/machine/m_xt_t1000_vid.c
View File

@@ -1,23 +1,23 @@
/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the VARCem Project.
* This file is part of the 86Box distribution.
*
* Implementation of the Toshiba T1000 plasma display, which
* has a fixed resolution of 640x200 pixels.
* Implementation of the Toshiba T1000 plasma display, which
* has a fixed resolution of 640x200 pixels.
*
*
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2018,2019 Fred N. van Kempen.
* Copyright 2018,2019 Miran Grca.
* Copyright 2018,2019 Sarah Walker.
* Copyright 2018,2019 Fred N. van Kempen.
* Copyright 2018,2019 Miran Grca.
* Copyright 2018,2019 Sarah Walker.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -546,9 +546,9 @@ t1000_recalcattrs(t1000_t *t1000)
* Bit 0: Attributes 01-06, 08-0E are inverse video
* Bit 1: Attributes 01-06, 08-0E are bold
* Bit 2: Attributes 11-16, 18-1F, 21-26, 28-2F ... F1-F6, F8-FF
* are inverse video
* are inverse video
* Bit 3: Attributes 11-16, 18-1F, 21-26, 28-2F ... F1-F6, F8-FF
* are bold */
* are bold */
/* Set up colours */
if (t1000->invert) {