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[Core/CD] added clear of CDC decoder interrupt pending flag when decoding is disabled (verified on real hardware, cf. Krikzz's mcd-verificator)

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ekeeke 2024-02-21 20:25:04 +01:00
parent 47761b9b8f
commit f09c97336e
1 changed files with 10 additions and 0 deletions
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10
core/cd_hw/cdc.c
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@ -680,6 +680,16 @@ void cdc_reg_w(unsigned char data)
/* set CRCOK bit only if decoding is enabled */ /* set CRCOK bit only if decoding is enabled */
cdc.stat[0] = data & BIT_DECEN; cdc.stat[0] = data & BIT_DECEN;
/* decoding disabled ? */
if (!(data & BIT_DECEN))
{
/* clear pending decoder interrupt */
cdc.ifstat |= BIT_DECI;
/* update CDC IRQ state */
cdc.irq &= ~BIT_DECI;
}
/* update STAT2 register */ /* update STAT2 register */
if (data & BIT_AUTORQ) if (data & BIT_AUTORQ)
{ {