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SB16/AWE32 support SB2/Pro style high speed DMA commands, contrary to Creative Labs documentation. Fixes sound in Earthworm Jim.

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This commit is contained in:
SarahW 2018-04-11 15:22:35 +01:00
commit 0fe9b99953
1 changed files with 4 additions and 4 deletions
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8
src/sound_sb_dsp.c
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@ -499,19 +499,19 @@ void sb_exec_command(sb_dsp_t *dsp)
timer_update_outstanding();
break;
case 0x90: /*High speed 8-bit autoinit DMA output*/
if (dsp->sb_type < SB2 || dsp->sb_type > SBPRO2) break;
if (dsp->sb_type < SB2) break;
sb_start_dma(dsp, 1, 1, 0, dsp->sb_8_autolen);
break;
case 0x91: /*High speed 8-bit single cycle DMA output*/
if (dsp->sb_type < SB2 || dsp->sb_type > SBPRO2) break;
if (dsp->sb_type < SB2) break;
sb_start_dma(dsp, 1, 0, 0, dsp->sb_8_autolen);
break;
case 0x98: /*High speed 8-bit autoinit DMA input*/
if (dsp->sb_type < SB2 || dsp->sb_type > SBPRO2) break;
if (dsp->sb_type < SB2) break;
sb_start_dma_i(dsp, 1, 1, 0, dsp->sb_8_autolen);
break;
case 0x99: /*High speed 8-bit single cycle DMA input*/
if (dsp->sb_type < SB2 || dsp->sb_type > SBPRO2) break;
if (dsp->sb_type < SB2) break;
sb_start_dma_i(dsp, 1, 0, 0, dsp->sb_8_autolen);
break;
case 0xA0: /*Set input mode to mono*/