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Reset the FIFO and update its lengths on test mode set/reset, fixes #5702.

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OBattler
2025-06-25 05:42:50 +02:00
parent 409c251812
commit cbdfa32e65
1 changed files with 4 additions and 1 deletions
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5
src/floppy/fdc.c
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@@ -191,7 +191,7 @@ fdc_ctrl_reset(void *priv)
fdc->step = 0; fdc->step = 0;
fdc->power_down = 0; fdc->power_down = 0;
if (!fdc->lock) { if (!fdc->lock && !fdc->fifointest) {
fdc->fifo = 0; fdc->fifo = 0;
fdc->tfifo = 1; fdc->tfifo = 1;
@@ -808,6 +808,9 @@ fdc_write(uint16_t addr, uint8_t val, void *priv)
fdc->tfifo = 1; fdc->tfifo = 1;
fdc->fifointest = 0; fdc->fifointest = 0;
} }
fifo_reset(fdc->fifo_p);
fifo_set_len(fdc->fifo_p, fdc->tfifo + 1);
fifo_set_trigger_len(fdc->fifo_p, fdc->tfifo + 1);
} }
return; return;
case 4: /* DSR */ case 4: /* DSR */