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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/adlib.cpp
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@ -28,7 +28,6 @@
/*
Thanks to vdmsound for nice simple way to implement this
*/
# define logerror
#ifdef _MSC_VER
@ -133,6 +132,7 @@ void OPL_Write(Bitu port,Bitu val,Bitu iolen) {
MIXER_Enable(opl.chan,true);
}
Bitu addr=port & 3;
if (!addr) adlib_commandreg=val;
switch (opl.mode) {
case OPL_opl2:
OPL2::YM3812Write(0,addr,val);
@ -159,13 +159,14 @@ void OPL_Init(Section* sec,Bitu base,OPL_Mode oplmode,Bitu rate) {
THEOPL3::YMF262SetTimerHandler(0,THEOPL3::TimerHandler,0);
IO_RegisterWriteHandler(0x388,OPL_Write,IO_MB,4);
IO_RegisterReadHandler(0x388,OPL_Read,IO_MB,4);
IO_RegisterWriteHandler(base,OPL_Write,IO_MB,4);
IO_RegisterReadHandler(base,OPL_Read,IO_MB,4);
if (oplmode>=OPL_dualopl2) {
IO_RegisterWriteHandler(base,OPL_Write,IO_MB,4);
IO_RegisterReadHandler(base,OPL_Read,IO_MB,4);
}
IO_RegisterWriteHandler(base+8,OPL_Write,IO_MB,2);
IO_RegisterReadHandler(base+8,OPL_Read,IO_MB,2);
opl.active=false;
opl.last_used=0;
opl.mode=oplmode;