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PC87306: Properly fix the ID readout, now it works on the Thor & Co. even without the register 0x00 hack.

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This commit is contained in:
OBattler
2025-11-05 06:12:09 +01:00
parent 6e4b62d24f
commit 031c382c3e
1 changed files with 4 additions and 8 deletions
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12
src/sio/sio_pc87306.c
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@@ -284,12 +284,9 @@ pc87306_write(uint16_t port, uint8_t val, void *priv)
valxor = val ^ dev->regs[dev->cur_reg];
dev->tries = 0;
if ((dev->cur_reg <= 0x1c) && (dev->cur_reg != 0x08)) {
if ((dev->cur_reg == 0x00) && (val == 0x08))
val = 0x4f;
if ((dev->cur_reg <= 0x1c) && (dev->cur_reg != 0x08))
dev->regs[dev->cur_reg] = val;
} else
else
return;
} else {
dev->tries++;
@@ -407,8 +404,8 @@ pc87306_read(uint16_t port, void *priv)
dev->tries = 0;
}
} else {
if (dev->cur_reg == 8)
ret = 0x70;
if (dev->cur_reg == 0x08)
ret = 0x71;
else if (dev->cur_reg < 28)
ret = dev->regs[dev->cur_reg];
dev->tries = 0;
@@ -427,7 +424,6 @@ pc87306_reset_common(void *priv)
dev->regs[0x00] = 0x0b;
dev->regs[0x01] = 0x01;
dev->regs[0x02] = 0x08;
dev->regs[0x03] = 0x01;
dev->regs[0x05] = 0x0d;
dev->regs[0x08] = 0x71;