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Fixed keyboard in Windows NT.

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This commit is contained in:
TomW 2014-08-18 20:28:31 +01:00
commit 7dfce428f2
2 changed files with 13 additions and 8 deletions
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19
src/keyboard_at.c
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@ -36,6 +36,8 @@ struct
uint8_t key_command;
int key_wantdata;
int last_irq;
} keyboard_at;
static uint8_t key_ctrl_queue[16];
@ -50,22 +52,24 @@ int mouse_queue_start = 0, mouse_queue_end = 0;
void keyboard_at_poll()
{
keybsenddelay += (1000 * TIMER_USEC);
if (keyboard_at.wantirq)
if (keyboard_at.out_new != -1)
{
keyboard_at.wantirq = 0;
picint(2);
if (keyboard_at.out_new != -1)
keyboard_at.out = keyboard_at.out_new;
if (keyboard_at.mem[0] & 0x01)
picint(2);
keyboard_at.out = keyboard_at.out_new;
keyboard_at.out_new = -1;
keyboard_at.status |= STAT_OFULL;
keyboard_at.status &= ~STAT_IFULL;
// pclog("keyboard_at : take IRQ\n");
keyboard_at.last_irq = 2;
}
else if (keyboard_at.wantirq12)
{
keyboard_at.wantirq12 = 0;
picint(0x1000);
// pclog("keyboard_at : take IRQ 12\n");
keyboard_at.last_irq = 0x1000;
}
if (!(keyboard_at.status & STAT_OFULL) && !(keyboard_at.mem[0] & 0x10) &&
mouse_queue_start != mouse_queue_end)
@ -84,8 +88,6 @@ void keyboard_at_poll()
keyboard_at.out_new = key_queue[key_queue_start];
// pclog("Reading %02X from the key queue at %i\n", keyboard_at.out, key_queue_start);
key_queue_start = (key_queue_start + 1) & 0xf;
if (keyboard_at.mem[0] & 0x01)
keyboard_at.wantirq = 1;
}
else if (keyboard_at.out_new == -1 && !(keyboard_at.status & STAT_OFULL) &&
key_ctrl_queue_start != key_ctrl_queue_end)
@ -93,8 +95,6 @@ void keyboard_at_poll()
keyboard_at.out_new = key_ctrl_queue[key_ctrl_queue_start];
// pclog("Reading %02X from the key ctrl_queue at %i\n", keyboard_at.out, key_ctrl_queue_start);
key_ctrl_queue_start = (key_ctrl_queue_start + 1) & 0xf;
if (keyboard_at.mem[0] & 0x01)
keyboard_at.wantirq = 1;
}
}
@ -411,6 +411,8 @@ uint8_t keyboard_at_read(uint16_t port, void *priv)
case 0x60:
temp = keyboard_at.out;
keyboard_at.status &= ~(STAT_OFULL | STAT_MFULL);
picintc(keyboard_at.last_irq);
keyboard_at.last_irq = 0;
break;
case 0x61:
@ -436,6 +438,7 @@ void keyboard_at_reset()
keyboard_at.output_port = 0;
keyboard_at.input_port = 0xb0;
keyboard_at.out_new = -1;
keyboard_at.last_irq = 0;
keyboard_at.key_wantdata = 0;