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T128 changes of the evening (March 9th, 2025)

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1. More accurate speed without stalls.
2. Added more IRQ's for AT compatibles.
This commit is contained in:
TC1995
2025-03-09 20:32:44 +01:00
parent 0c7c85e663
commit 4d5907eac6
1 changed files with 9 additions and 4 deletions
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13
src/scsi/scsi_t128.c
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@@ -95,7 +95,7 @@ t128_write(uint32_t addr, uint8_t val, void *priv)
t128->status, scsi_bus->period, timer_is_enabled(&t128->timer), t128->block_loaded);
t128->status &= ~0x04;
timer_on_auto(&t128->timer, 1.0);
timer_on_auto(&t128->timer, 10.0);
}
}
}
@@ -147,7 +147,7 @@ t128_read(uint32_t addr, void *priv)
scsi_bus->tx_mode = PIO_TX_BUS;
timer_stop(&t128->timer);
} else if (!timer_is_enabled(&t128->timer))
timer_on_auto(&t128->timer, 1.0);
timer_on_auto(&t128->timer, 10.0);
else
t128->status &= ~0x04;
}
@@ -223,7 +223,7 @@ t128_dma_initiator_receive_ext(void *priv, void *ext_priv)
t128->block_loaded = 1;
t128->status &= ~0x04;
timer_on_auto(&t128->timer, 1.0);
timer_on_auto(&t128->timer, 10.0);
}
return 1;
}
@@ -252,7 +252,7 @@ t128_callback(void *priv)
uint8_t status;
if (scsi_bus->tx_mode != PIO_TX_BUS)
timer_on_auto(&t128->timer, scsi_bus->period / 65.0);
timer_on_auto(&t128->timer, scsi_bus->period / 60.0);
if (scsi_bus->data_wait & 1) {
scsi_bus->clear_req = 3;
@@ -350,6 +350,7 @@ t128_callback(void *priv)
if (!t128->block_count) {
t128->block_loaded = 0;
scsi_bus->bus_out |= BUS_REQ;
timer_on_auto(&t128->timer, 10.0);
t128_log("IO End of read transfer\n");
}
break;
@@ -576,6 +577,10 @@ static const device_config_t t128_config[] = {
{ .description = "IRQ 3", .value = 3 },
{ .description = "IRQ 5", .value = 5 },
{ .description = "IRQ 7", .value = 7 },
{ .description = "IRQ 10", .value = 10 },
{ .description = "IRQ 12", .value = 12 },
{ .description = "IRQ 14", .value = 14 },
{ .description = "IRQ 15", .value = 15 },
{ .description = "" }
},
.bios = { { 0 } }