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All the required fixes - the Dell OptiPlex Gn+ now works correctly.

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This commit is contained in:
OBattler
2025-05-21 20:49:54 +02:00
parent 4e3c01c41a
commit 455622492b
19 changed files with 1310 additions and 672 deletions
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25
src/floppy/fdc.c
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@@ -377,6 +377,15 @@ fdc_set_power_down(fdc_t *fdc, uint8_t power_down)
fdc->power_down = power_down;
}
void
fdc_toggle_flag(fdc_t *fdc, int flag, int on)
{
if (on)
fdc->flags |= flag;
else
fdc->flags &= ~flag;
}
void
fdc_update_max_track(fdc_t *fdc, int max_track)
{
@@ -1484,7 +1493,7 @@ fdc_read(uint16_t addr, void *priv)
fdc->step = 0;
break;
default:
ret = 0xFF;
ret = 0xff;
}
fdc_log("[%04X:%08X] Read FDC %04X %02X [%i:%02X]\n", CS, cpu_state.pc, addr, ret, drive, fdc->dor & (0x10 << drive));
return ret;
@@ -2235,9 +2244,13 @@ fdc_set_base(fdc_t *fdc, int base)
{
int super_io = (fdc->flags & FDC_FLAG_SUPERIO);
if (base == 0x0000) {
fdc->base_address = base;
return;
}
if (fdc->flags & FDC_FLAG_NSC) {
io_sethandler(base + 2, 0x0001, fdc_read, NULL, NULL, fdc_write, NULL, NULL, fdc);
io_sethandler(base + 4, 0x0002, fdc_read, NULL, NULL, fdc_write, NULL, NULL, fdc);
io_sethandler(base + 2, 0x0004, fdc_read, NULL, NULL, fdc_write, NULL, NULL, fdc);
io_sethandler(base + 7, 0x0001, fdc_read, NULL, NULL, fdc_write, NULL, NULL, fdc);
} else {
if ((fdc->flags & FDC_FLAG_AT) || (fdc->flags & FDC_FLAG_AMSTRAD)) {
@@ -2266,10 +2279,12 @@ fdc_remove(fdc_t *fdc)
{
int super_io = (fdc->flags & FDC_FLAG_SUPERIO);
if (fdc->base_address == 0x0000)
return;
fdc_log("FDC Removed (%04X)\n", fdc->base_address);
if (fdc->flags & FDC_FLAG_NSC) {
io_removehandler(fdc->base_address + 2, 0x0001, fdc_read, NULL, NULL, fdc_write, NULL, NULL, fdc);
io_removehandler(fdc->base_address + 4, 0x0002, fdc_read, NULL, NULL, fdc_write, NULL, NULL, fdc);
io_removehandler(fdc->base_address + 2, 0x0004, fdc_read, NULL, NULL, fdc_write, NULL, NULL, fdc);
io_removehandler(fdc->base_address + 7, 0x0001, fdc_read, NULL, NULL, fdc_write, NULL, NULL, fdc);
} else {
if ((fdc->flags & FDC_FLAG_AT) || (fdc->flags & FDC_FLAG_AMSTRAD)) {