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Actually fix the timing of the PAS16/Plus SCSI side (May 8th, 2025)

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See above, fixes the non-audio mamv1.sys SCSI controller driver using CD/HDD reads/writes.
This commit is contained in:
TC1995
2025-05-08 23:56:48 +02:00
parent 7301aaad00
commit e621014add
1 changed files with 4 additions and 8 deletions
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12
src/sound/snd_pas16.c
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@@ -792,14 +792,10 @@ pas16_in(uint16_t port, void *priv)
if ((scsi_bus->tx_mode == PIO_TX_BUS) && !(ret & 0x80))
ret |= 0x80;
if (ret & 0x80) {
if (scsi_bus->data_repeat < MIN(511, scsi_bus->total_len))
scsi_bus->data_repeat++;
} else {
if (scsi_bus->data_repeat == MIN(511, scsi_bus->total_len))
ret = 0x00;
}
pas16_log("%04X:%08X: Port %04x read ret=%02x, status=%02x, txmode=%x, repeat=%d.\n", CS, cpu_state.pc, port + pas16->base, ret, pas16->scsi->status & 0x06, scsi_bus->tx_mode, scsi_bus->data_repeat);
if ((pas16->scsi->status & 0x06) == 0x00)
ret = 0x00;
pas16_log("%04X:%08X: Port %04x read ret=%02x, status=%02x, txmode=%x, repeat=%d, total=%d.\n", CS, cpu_state.pc, port + pas16->base, ret, pas16->scsi->status & 0x06, scsi_bus->tx_mode, scsi_bus->data_repeat, MIN(511, scsi_bus->total_len));
}
break;
case 0x5c03: