80486DX2-66/86Box-fork
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Decreased keyboard AT period to 100 us (was 1000 us) and made out_delay correctly initialized to -1.

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OBattler
2020-01-11 22:31:18 +01:00
parent 1b8017640e
commit 57341754e2
1 changed files with 9 additions and 6 deletions
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15
src/keyboard_at.c
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@@ -623,7 +623,7 @@ kbd_poll(void *priv)
{
atkbd_t *dev = (atkbd_t *)priv;
timer_advance_u64(&dev->send_delay_timer, (1000 * TIMER_USEC));
timer_advance_u64(&dev->send_delay_timer, (100ULL * TIMER_USEC));
if ((dev->out_new != -1) && !dev->last_irq) {
dev->wantirq = 0;
@@ -658,17 +658,17 @@ kbd_poll(void *priv)
dev->out_new = key_ctrl_queue[key_ctrl_queue_start] | 0x200;
key_ctrl_queue_start = (key_ctrl_queue_start + 1) & 0xf;
} else if (!(dev->status & STAT_OFULL) && dev->out_new == -1 && dev->out_delayed != -1) {
dev->out_new = dev->out_delayed;
dev->out_delayed = -1;
dev->out_new = dev->out_delayed;
dev->out_delayed = -1;
} else if (!(dev->status & STAT_OFULL) && dev->out_new == -1 && !(dev->mem[0] & 0x10) && dev->out_delayed != -1) {
dev->out_new = dev->out_delayed;
dev->out_delayed = -1;
dev->out_new = dev->out_delayed;
dev->out_delayed = -1;
} else if (!(dev->status & STAT_OFULL) && dev->out_new == -1/* && !(dev->mem[0] & 0x20)*/ &&
(mouse_queue_start != mouse_queue_end)) {
dev->out_new = mouse_queue[mouse_queue_start] | 0x100;
mouse_queue_start = (mouse_queue_start + 1) & 0xf;
} else if (!(dev->status&STAT_OFULL) && dev->out_new == -1 &&
!(dev->mem[0]&0x10) && (key_queue_start != key_queue_end)) {
!(dev->mem[0]&0x10) && (key_queue_start != key_queue_end) && !kbc_busy) {
dev->out_new = key_queue[key_queue_start];
key_queue_start = (key_queue_start + 1) & 0xf;
}
@@ -1931,6 +1931,8 @@ do_command:
#ifdef ENABLE_KEYBOARD_AT_LOG
kbd_log("ATkbd: set defaults\n");
#endif
dev->out_new = -1;
dev->out_delayed = -1;
add_data_kbd(0xfa);
keyboard_set3_all_break = 0;
@@ -2273,6 +2275,7 @@ kbd_reset(void *priv)
dev->wantirq = 0;
write_output(dev, 0xcf);
dev->out_new = -1;
dev->out_delayed = -1;
dev->last_irq = 0;
dev->secr_phase = 0;
dev->key_wantdata = 0;