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Fixed errors of the Trantor T128 SCSI adapter using the CD-ROM on low speed 386/486 processors.
This commit is contained in:
TC1995
2021-11-18 22:02:14 +01:00
parent aa5210ad50
commit 6be0cbe304
1 changed files with 3 additions and 2 deletions
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5
src/scsi/scsi_ncr5380.c
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@@ -1224,8 +1224,8 @@ ncr_callback(void *priv)
ncr_log("Timer on! Host POS = %i, status = %02x, DMA mode = %i, Period = %lf\n", ncr_dev->t128.host_pos, ncr_dev->t128.status, ncr->dma_mode, scsi_device_get_callback(dev)); ncr_log("Timer on! Host POS = %i, status = %02x, DMA mode = %i, Period = %lf\n", ncr_dev->t128.host_pos, ncr_dev->t128.status, ncr->dma_mode, scsi_device_get_callback(dev));
if (ncr_dev->t128.host_pos == MIN(512, dev->buffer_length) && ncr_dev->t128.block_count) { if (ncr_dev->t128.host_pos == MIN(512, dev->buffer_length) && ncr_dev->t128.block_count) {
ncr_dev->t128.status |= 0x04; ncr_dev->t128.status |= 0x04;
ncr_timer_on(ncr_dev, ncr, 0);
} }
ncr_timer_on(ncr_dev, ncr, 0);
} }
} else { } else {
ncr_log("DMA mode=%d, status ctrl = %02x\n", ncr->dma_mode, ncr_dev->status_ctrl); ncr_log("DMA mode=%d, status ctrl = %02x\n", ncr->dma_mode, ncr_dev->status_ctrl);
@@ -1364,7 +1364,8 @@ t128_read(uint32_t addr, void *priv)
ncr_log("Transfer busy read, status = %02x, period = %lf\n", ncr_dev->t128.status, ncr_dev->period); ncr_log("Transfer busy read, status = %02x, period = %lf\n", ncr_dev->t128.status, ncr_dev->period);
if (ncr_dev->period == 0.2 || ncr_dev->period == 0.02) if (ncr_dev->period == 0.2 || ncr_dev->period == 0.02)
timer_on_auto(&ncr_dev->timer, 40.2); timer_on_auto(&ncr_dev->timer, 40.2);
} } else if (ncr_dev->t128.host_pos < MIN(512, dev->buffer_length) && scsi_device_get_callback(dev) > 100.0)
cycles += 100; /*Needed to avoid timer de-syncing with transfers.*/
} }
} }