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Fixed the PS/2 keyboard and mouse latch initialization - now the mouse latch actually works, fixes mouse in AMI WinBios Setup and 8603 errors on MCA IBM PS/2's.

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This commit is contained in:
OBattler
2023-04-12 20:23:31 +02:00
parent 958bd387c1
commit b753c675fb
2 changed files with 25 additions and 11 deletions
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18
src/pic.c
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@@ -395,7 +395,7 @@ pic_latch_read(uint16_t addr, void *priv)
{
uint8_t ret = 0xff;
pic_log("pic_latch_read(): %02X%02X\n", pic2.lines & 0x10, pic.lines & 0x02);
pic_log("pic_latch_read(%i, %i): %02X%02X\n", kbd_latch, mouse_latch, pic2.lines & 0x10, pic.lines & 0x02);
if (kbd_latch && (pic.lines & 0x02))
picintc(0x0002);
@@ -542,10 +542,10 @@ pic_kbd_latch(int enable)
{
pic_log("PIC keyboard latch now %sabled\n", enable ? "en" : "dis");
if ((enable | mouse_latch) != (kbd_latch | mouse_latch)) {
kbd_latch = enable;
io_handler(kbd_latch | mouse_latch, 0x0060, 0x0001, pic_latch_read, NULL, NULL, NULL, NULL, NULL, NULL);
}
if (!!(enable | mouse_latch) != !!(kbd_latch | mouse_latch))
io_handler(!!(enable | mouse_latch), 0x0060, 0x0001, pic_latch_read, NULL, NULL, NULL, NULL, NULL, NULL);
kbd_latch = !!enable;
if (!enable)
picintc(0x0002);
@@ -556,10 +556,10 @@ pic_mouse_latch(int enable)
{
pic_log("PIC mouse latch now %sabled\n", enable ? "en" : "dis");
if ((kbd_latch | enable) != (kbd_latch | mouse_latch)) {
mouse_latch = enable;
io_handler(kbd_latch | mouse_latch, 0x0060, 0x0001, pic_latch_read, NULL, NULL, NULL, NULL, NULL, NULL);
}
if (!!(kbd_latch | enable) != !!(kbd_latch | mouse_latch))
io_handler(!!(kbd_latch | enable), 0x0060, 0x0001, pic_latch_read, NULL, NULL, NULL, NULL, NULL, NULL);
mouse_latch = !!enable;
if (!enable)
picintc(0x1000);