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Properly fixed the IBM PS/2 Model 55SX, required reverting some keyboard controller changes and changes to the implementation of the memory control POS registers.

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OBattler
2021-12-08 22:05:55 +01:00
parent 5c6442e755
commit bcf96bd913
2 changed files with 25 additions and 21 deletions
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10
src/device/keyboard_at.c
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@@ -1084,13 +1084,10 @@ write_output(atkbd_t *dev, uint8_t val)
flushmmucache();
}
/* Do this here to avoid an infinite reset loop. */
dev->output_port = val;
/* 0 holds the CPU in the RESET state, 1 releases it. To simplify this,
we just do everything on release. */
if ((val & 0x01) && !(old & 0x01)) {
if (val & 0x01) {
if ((dev->output_port ^ val) & 0x01) { /*Reset*/
if (! (val & 0x01)) { /* Pin 0 selected. */
/* Pin 0 selected. */
kbd_log("write_output(): Pulse reset!\n");
softresetx86(); /*Pulse reset!*/
@@ -1098,6 +1095,9 @@ write_output(atkbd_t *dev, uint8_t val)
flushmmucache();
}
}
/* Do this here to avoid an infinite reset loop. */
dev->output_port = val;
}