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PC7311/12/32: Implement ID readout on reset.

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OBattler
2026-03-02 16:39:40 +01:00
parent 5d17385500
commit a2dc983ce7
1 changed files with 14 additions and 6 deletions
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20
src/sio/sio_pc873xx.c
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@@ -300,11 +300,18 @@ pc873xx_read(uint16_t port, void *priv)
index = (port & 1) ? 0 : 1;
dev->tries = 0;
if (index)
ret = dev->cur_reg & 0x1f;
else {
if (index) {
if (dev->tries == 0xff) {
ret = 0x88;
dev->tries = 0xfe;
} else if (dev->tries == 0xfe) {
ret = 0x00;
dev->tries = 0;
} else {
ret = dev->cur_reg & 0x1f;
dev->tries = 0;
}
} else {
if (dev->cur_reg == 8)
ret = 0x10;
else if (dev->cur_reg < 14)
@@ -314,10 +321,11 @@ pc873xx_read(uint16_t port, void *priv)
return ret;
}
void
static void
pc873xx_reset(pc873xx_t *dev)
{
memset(dev->regs, 0, 15);
dev->tries = 0xff;
dev->regs[0x00] = dev->fdc_on ? 0x4f : 0x07;
if (dev->has_ide == 2)