claunia/86Box
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Abstracted away the machine bus'es and flags in order to make the rest of the emulator agnostic as to how they're stored.

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OBattler
2021-12-13 01:23:06 +01:00
parent 6fd2cfaf90
commit 6661ff5dcc
15 changed files with 82 additions and 57 deletions
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8
src/device/keyboard_at.c
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@@ -1063,7 +1063,7 @@ write_output(atkbd_t *dev, uint8_t val)
val |= ((dev->mem[0] << 4) & 0x10);
/*IRQ 12*/
if ((dev->output_port ^ val) & 0x20) {
if ((old ^ val) & 0x20) {
if (val & 0x20)
picint(1 << 12);
else
@@ -1071,14 +1071,14 @@ write_output(atkbd_t *dev, uint8_t val)
}
/*IRQ 1*/
if ((dev->output_port ^ val) & 0x10) {
if ((old ^ val) & 0x10) {
if (val & 0x10)
picint(1 << 1);
else
picintc(1 << 1);
}
if ((dev->output_port ^ val) & 0x02) { /*A20 enable change*/
if ((old ^ val) & 0x02) { /*A20 enable change*/
mem_a20_key = val & 0x02;
mem_a20_recalc();
flushmmucache();
@@ -1086,7 +1086,7 @@ write_output(atkbd_t *dev, uint8_t val)
/* 0 holds the CPU in the RESET state, 1 releases it. To simplify this,
we just do everything on release. */
if ((dev->output_port ^ val) & 0x01) { /*Reset*/
if ((old ^ val) & 0x01) { /*Reset*/
if (! (val & 0x01)) { /* Pin 0 selected. */
/* Pin 0 selected. */
kbd_log("write_output(): Pulse reset!\n");