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Fix floppy drive behavior, fixes floppy drives in turbo mode on some machines.

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OBattler
2025-09-29 20:19:51 +02:00
parent 4fb6e3aaac
commit 55af553ac4
1 changed files with 2 additions and 2 deletions
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4
src/floppy/fdc.c
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@@ -733,7 +733,7 @@ fdc_io_command_phase1(fdc_t *fdc, int out)
else
ui_sb_update_icon(SB_FLOPPY | real_drive(fdc, fdc->drive), 1);
if (implied_seek) {
if (implied_seek && !fdd_get_turbo(real_drive(fdc, fdc->drive))) {
fdc->stat = (fdc->stat & 0x0F) | 0x10 | (1 << real_drive(fdc, fdc->drive)); /* CB=1, per-drive busy */
return;
}
@@ -1940,7 +1940,7 @@ fdc_callback(void *priv)
case 0x0f: /*Seek*/
fdc->st0 = 0x20 | (fdc->params[0] & 3);
fdc->stat = 0x10 | (1 << fdc->rw_drive);
if (fdd_get_turbo(1 << fdc->rw_drive)) {
if (fdd_get_turbo(real_drive(fdc, fdc->rw_drive))) {
if (fdc->flags & FDC_FLAG_PCJR) {
fdc->fintr = 1;
fdc->interrupt = -4;