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forward data to adlib command register of the gus

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Don't use the cms ports when in opl2 mode


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1813
This commit is contained in:
Sjoerd van der Berg 2004-06-07 14:42:36 +00:00
parent f6938602bd
commit 70914f545e
2 changed files with 13 additions and 5 deletions
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9
src/hardware/sblaster.cpp
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@ -983,6 +983,10 @@ static void write_sb(Bitu port,Bitu val,Bitu iolen) {
}
}
static void adlib_gusforward(Bitu port,Bitu val,Bitu iolen) {
adlib_commandreg=val;
}
static void SBLASTER_CallBack(Bit8u * stream,Bit32u len) {
if (!len) return;
GenerateSound(len);
@ -1029,7 +1033,7 @@ void SBLASTER_Init(Section* sec) {
else {
switch (sb.type) {
case SBT_NONE:opl_mode=OPL_none;break;
case SBT_1:opl_mode=OPL_cms;break;
case SBT_1:opl_mode=OPL_opl2;break;
case SBT_2:opl_mode=OPL_opl2;break;
case SBT_PRO1:opl_mode=OPL_dualopl2;break;
case SBT_PRO2:
@ -1039,11 +1043,14 @@ void SBLASTER_Init(Section* sec) {
}
switch (opl_mode) {
case OPL_none:
IO_RegisterWriteHandler(0x388,adlib_gusforward,IO_MB);
break;
case OPL_cms:
IO_RegisterWriteHandler(0x388,adlib_gusforward,IO_MB);
CMS_Init(section,sb.hw.base,oplrate);
break;
case OPL_opl2:
CMS_Init(section,sb.hw.base,oplrate);
case OPL_dualopl2:
case OPL_opl3:
OPL_Init(section,sb.hw.base,opl_mode,oplrate);