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[Core/CD] improved accuracy of CDC DMA to PRG-RAM write-protected area (verified on real hardware, cf. Krikzz's mcd-verificator)

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ekeeke 2024-01-22 00:34:24 +01:00
parent da8e4e547a
commit 2c1a2d0def
1 changed files with 0 additions and 6 deletions
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6
core/cd_hw/scd.c
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@ -133,12 +133,6 @@ void prg_ram_dma_w(unsigned int length)
/* update DMA source address */ /* update DMA source address */
cdc.dac.w += (words << 1); cdc.dac.w += (words << 1);
/* check PRG-RAM write protected area */
if (dst_index < (scd.regs[0x02>>1].byte.h << 9))
{
return;
}
/* DMA transfer */ /* DMA transfer */
while (words--) while (words--)
{ {