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SM(S)C FDC37C93x Super I/O chip rewrite, add the Acer V62x, and un-dev-branch the V-Tech Laser XT machines.

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This commit is contained in:
OBattler
2025-05-05 05:11:55 +02:00
parent dca7ed737c
commit 018bbfae43
17 changed files with 1810 additions and 666 deletions
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19
src/floppy/fdc.c
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@@ -81,6 +81,7 @@ int fdc_current[FDC_MAX] = { 0, 0 };
volatile int fdcinited = 0;
// #define ENABLE_FDC_LOG 1
#ifdef ENABLE_FDC_LOG
int fdc_do_log = ENABLE_FDC_LOG;
@@ -395,6 +396,20 @@ fdc_update_rwc(fdc_t *fdc, int drive, int rwc)
fdc_rate(fdc, drive);
}
uint8_t
fdc_get_media_id(fdc_t *fdc, int id)
{
uint8_t ret = fdc->media_id & (1 << id);
return ret;
}
void
fdc_set_media_id(fdc_t *fdc, int id, int set)
{
fdc->media_id = (fdc->media_id & ~(1 << id)) | (set << id);
}
int
fdc_get_boot_drive(fdc_t *fdc)
{
@@ -1369,7 +1384,7 @@ fdc_read(uint16_t addr, void *priv)
} else if (!fdc->enh_mode)
ret = 0x20;
else
ret = fdc->rwc[drive] << 4;
ret = (fdc->rwc[drive] << 4) | (fdc->media_id << 6);
break;
case 4: /*Status*/
ret = fdc->stat;
@@ -2352,6 +2367,8 @@ fdc_reset(void *priv)
}
fdc->power_down = 0;
fdc->media_id = 0;
}
static void