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All bits of BusLogic ISR register are read/write. Fixes BusLogic detection on Solaris 2.4.

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This commit is contained in:
SarahW 2018-04-15 20:37:55 +01:00
commit 3feeea3bbe
1 changed files with 10 additions and 4 deletions
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14
src/scsi_aha1540.c
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@ -275,7 +275,7 @@ static void process_cmd(aha154x_t *scsi);
static void set_irq(aha154x_t *scsi, uint8_t val)
{
picint(1 << scsi->irq);
scsi->isr |= val;
scsi->isr |= val | ISR_ANYINTR;
}
static void clear_irq(aha154x_t *scsi)
@ -348,6 +348,11 @@ static void aha154x_out(uint16_t port, uint8_t val, void *p)
// pclog("Write command %02x %04x(%08x):%08x\n", val, CS,cs,cpu_state.pc);
process_cmd(scsi);
break;
case 2:
if (scsi->type == SCSI_BT545S)
scsi->isr = val;
break;
}
}
@ -374,9 +379,10 @@ static uint8_t aha154x_in(uint16_t port, void *p)
break;
case 2: /*Interrupt status register*/
temp = scsi->isr & ~0x70;
if (scsi->isr)
temp |= ISR_ANYINTR;
if (scsi->type == SCSI_BT545S)
temp = scsi->isr;
else
temp = scsi->isr & ~0x70;
break;
case 3: /*???*/