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Reading SBPRO microphone level fixed.

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Triggering 8-bit irq DSP function doesn't return data.


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1229
This commit is contained in:
Sjoerd van der Berg 2003-09-04 19:17:57 +00:00
parent 2fd4a98dde
commit 21ca26be96
1 changed files with 3 additions and 5 deletions
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8
src/hardware/sblaster.cpp
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@ -553,7 +553,7 @@ static void DMA_E2_Enable(bool enable) {
}
static void DSP_DoCommand(void) {
//LOG_MSG("DSP Command %X",sb.dsp.cmd);
// LOG_MSG("DSP Command %X",sb.dsp.cmd);
switch (sb.dsp.cmd) {
case 0x04: /* DSP Statues SB 2.0/pro version */
DSP_FlushData();
@ -647,8 +647,6 @@ static void DSP_DoCommand(void) {
DSP_AddData(sb.dsp.test_register);;
break;
case 0xf2: /* Trigger 8bit IRQ */
DSP_FlushData();
DSP_AddData(0xaa);
SB_RaiseIRQ(SB_IRQ_8);
break;
default:
@ -740,8 +738,8 @@ static Bit8u MIXER_Read(void) {
return ((sb.mixer.dac.left & 0x1e) >> 1) |
((sb.mixer.dac.right & 0x1e) << 3);
// case 0x06: /* FM output selection, Somewhat obsolete with dual OPL SBpro */
case 0x0a: /* Mic Level */
return sb.mixer.mic;
case 0x0a: /* Mic Level (SBPRO) */
return (sb.mixer.mic >> 1);
case 0x0e: /* Output/Stereo Select */
return 0x11|(sb.dma.stereo ? 0x02 : 0x00)|(sb.dma.filtered ? 0x20 : 0x00);
case 0x26: /* FM Volume (SBPRO) */