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SDL renderer improvements and fixes and added SDL OpenGL option;

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Various performance improvements;
Fixed USB UHCI HCHalt;
Cirrus Logic CL-GD 5422/24 fixes and removed them from the Dev branch;
The Storage controllers sections of Settings now has its own corresponding section of the configuration file;
Fixed the AT clock divisors for some Pentium OverDrive CPU's;
Added the ACPI RTC status (no ACPI RTC alarm event yet).
This commit is contained in:
OBattler
2020-11-26 18:20:24 +01:00
parent 21d6f2e9f1
commit 6e233f4ac8
53 changed files with 618 additions and 279 deletions
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24
src/pic.c
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@@ -31,6 +31,10 @@
#include <86box/pic.h>
#include <86box/timer.h>
#include <86box/pit.h>
#include <86box/device.h>
#include <86box/apm.h>
#include <86box/nvr.h>
#include <86box/acpi.h>
enum
@@ -142,7 +146,7 @@ pic_cascade_mode(pic_t *dev)
}
static uint8_t
static __inline uint8_t
pic_slave_on(pic_t *dev, int channel)
{
pic_log("pic_slave_on(%i): %i, %02X, %02X\n", channel, pic_cascade_mode(dev), dev->icw4 & 0x0c, dev->icw3 & (1 << channel));
@@ -152,7 +156,7 @@ pic_slave_on(pic_t *dev, int channel)
}
static int
static __inline int
find_best_interrupt(pic_t *dev)
{
uint8_t b, s;
@@ -184,7 +188,7 @@ find_best_interrupt(pic_t *dev)
}
void
static __inline void
pic_update_pending(void)
{
int is_at = IS_ARCH(machine, (MACHINE_BUS_ISA16 | MACHINE_BUS_MCA | MACHINE_BUS_PCMCIA));
@@ -321,7 +325,7 @@ pic_action(pic_t *dev, uint8_t irq, uint8_t eoi, uint8_t rotate)
/* Automatic non-specific EOI. */
static void
static __inline void
pic_auto_non_specific_eoi(pic_t *dev)
{
uint8_t irq;
@@ -520,6 +524,9 @@ picint_common(uint16_t num, int level, int set)
return;
}
if (num & 0x0100)
acpi_rtc_status = !!set;
if (set) {
if (num & 0xff00) {
if (level)
@@ -650,8 +657,13 @@ picinterrupt()
pit_ctr_set_gate(&pit2->counters[0], 0);
/* Two ACK's - do them in a loop to avoid potential compiler misoptimizations. */
for (i = 0; i < 2; i++)
ret = pic_irq_ack();
for (i = 0; i < 2; i++) {
ret = pic_irq_ack_read(&pic, pic.ack_bytes);
pic.ack_bytes = (pic.ack_bytes + 1) % (pic_i86_mode(&pic) ? 2 : 3);
if (pic.ack_bytes == 0)
pic_update_pending();
}
}
return ret;