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Merge pull request #4836 from 86Box/tc1995

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ESDI MCA changes of the late night (September 18th, 2024)
This commit is contained in:
Miran Grča
2024-09-18 01:11:57 +02:00
committed by GitHub
parent c0f4fb35e1 fe5c89785f
commit 3c550f3afb
1 changed files with 8 additions and 3 deletions
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11
src/disk/hdc_esdi_mca.c
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@@ -372,7 +372,9 @@ esdi_callback(void *priv)
if (dev->in_reset) {
esdi_mca_log("ESDI reset.\n");
dev->in_reset = 0;
dev->status = STATUS_IRQ;
dev->status = STATUS_IRQ | STATUS_TRANSFER_REQ | STATUS_STATUS_OUT_FULL;
dev->status_len = 1; /*ToDo: better implementation for Xenix?*/
dev->status_data[0] = STATUS_LEN(1) | ATTN_HOST_ADAPTER;
dev->irq_status = IRQ_HOST_ADAPTER | IRQ_RESET_COMPLETE;
return;
}
@@ -1055,8 +1057,10 @@ esdi_readw(uint16_t port, void *priv)
switch (port & 7) {
case 0: /*Status Interface Register*/
if (dev->status_pos >= dev->status_len)
if (dev->status_pos >= dev->status_len) {
esdi_mca_log("esdi_readw port=%04x, ret=0000 (pos=%d, len=%d).\n", port, dev->status_pos, dev->status_len);
return 0;
}
ret = dev->status_data[dev->status_pos++];
if (dev->status_pos >= dev->status_len) {
dev->status &= ~STATUS_STATUS_OUT_FULL;
@@ -1068,6 +1072,7 @@ esdi_readw(uint16_t port, void *priv)
fatal("esdi_readw port=%04x\n", port);
}
esdi_mca_log("esdi_readw port=%04x, ret=%04x.\n", port, ret);
return ret;
}
@@ -1250,7 +1255,7 @@ esdi_init(UNUSED(const device_t *info))
drive->spt = hdd[i].spt;
drive->hpc = hdd[i].hpc;
drive->tracks = hdd[i].tracks;
drive->sectors = hdd_image_get_last_sector(i) + 1;
drive->sectors = hdd_image_get_last_sector(i);
drive->hdd_num = i;
/* Mark drive as present. */