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Disabled register FF on non-PNP Sound Blaster 16 and AWE32, fixes the Windows for Workgroups 3.11 AWE32 driver.

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OBattler
2023-11-07 20:09:06 +01:00
parent 2cd7fe716d
commit 465375cd7c
1 changed files with 6 additions and 2 deletions
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8
src/sound/snd_sb.c
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@@ -945,7 +945,7 @@ sb_ct1745_mixer_write(uint16_t addr, uint8_t val, void *priv)
break;
case 0xff:
if (sb->dsp.sb_type >= SB16) {
if (sb->dsp.sb_type > SBAWE32) {
/*
Bit 5: High DMA channel enabled (0 = yes, 1 = no);
Bit 2: ????;
@@ -1173,7 +1173,7 @@ sb_ct1745_mixer_read(uint16_t addr, void *priv)
- Register FF = FF: Volume playback normal.
- Register FF = Not FF: Volume playback low unless
bit 6 of 82h is set. */
if (sb->dsp.sb_type >= SB16)
if (sb->dsp.sb_type > SBAWE32)
ret = mixer->regs[mixer->index];
break;
@@ -2179,6 +2179,7 @@ sb_16_init(UNUSED(const device_t *info))
sb_dsp_setdma8(&sb->dsp, device_get_config_int("dma"));
sb_dsp_setdma16(&sb->dsp, device_get_config_int("dma16"));
sb_dsp_setdma16_supported(&sb->dsp, 1);
sb_dsp_setdma16_enabled(&sb->dsp, 1);
sb_ct1745_mixer_reset(sb);
if (sb->opl_enabled) {
@@ -2233,6 +2234,7 @@ sb_16_reply_mca_init(UNUSED(const device_t *info))
sb_dsp_init(&sb->dsp, SB16, SB_SUBTYPE_DEFAULT, sb);
sb_dsp_setdma16_supported(&sb->dsp, 1);
sb_dsp_setdma16_enabled(&sb->dsp, 1);
sb_ct1745_mixer_reset(sb);
sb->mixer_enabled = 1;
@@ -2415,6 +2417,7 @@ sb_16_compat_init(const device_t *info)
sb_dsp_init(&sb->dsp, SB16, SB_SUBTYPE_DEFAULT, sb);
sb_dsp_setdma16_supported(&sb->dsp, 1);
sb_dsp_setdma16_enabled(&sb->dsp, 1);
sb_ct1745_mixer_reset(sb);
sb->mixer_enabled = 1;
@@ -2488,6 +2491,7 @@ sb_awe32_init(UNUSED(const device_t *info))
sb_dsp_setdma8(&sb->dsp, device_get_config_int("dma"));
sb_dsp_setdma16(&sb->dsp, device_get_config_int("dma16"));
sb_dsp_setdma16_supported(&sb->dsp, 1);
sb_dsp_setdma16_enabled(&sb->dsp, 1);
sb_ct1745_mixer_reset(sb);
if (sb->opl_enabled) {