valter/dosbox-staging
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Hopefully fix gameblaster support.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2518
This commit is contained in:
Peter Veenstra 2006-02-26 16:01:31 +00:00
parent a7d928260a
commit 6c7c289c62
1 changed files with 10 additions and 9 deletions
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19
src/hardware/gameblaster.cpp
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@ -364,7 +364,7 @@ static void saa1099_write_port_w( int chip, int offset, int data )
static void write_cms(Bitu port,Bitu val,Bitu iolen) {
if (last_command + 1000 < PIC_Ticks) cms_chan->Enable(true);
if (last_command + 1000 < PIC_Ticks) if(cms_chan) cms_chan->Enable(true);
last_command = PIC_Ticks;
switch (port) {
case 0x0220:
@ -415,8 +415,8 @@ static void write_cms(Bitu port,Bitu val,Bitu iolen) {
else *stream=(Bit16s)right;
stream++;
}
cms_chan->AddSamples_s16(len,(Bit16s *)MixTemp);
if (last_command + 10000 < PIC_Ticks) cms_chan->Enable(false);
if(cms_chan) cms_chan->AddSamples_s16(len,(Bit16s *)MixTemp);
if (last_command + 10000 < PIC_Ticks) if(cms_chan) cms_chan->Enable(false);
}
@ -427,15 +427,16 @@ private:
public:
CMS(Section* configuration):Module_base(configuration) {
Section_prop * section=static_cast<Section_prop *>(configuration);
Bitu sample_rate = section->Get_int("oplrate");
Section_prop * section = static_cast<Section_prop *>(configuration);
Bitu sample_rate_temp = section->Get_int("oplrate");
sample_rate = static_cast<double>(sample_rate_temp);
Bitu base = section->Get_hex("base");
WriteHandler.Install(base,write_cms,IO_MB,4);
/* Register the Mixer CallBack */
cms_chan = MixerChan.Install(CMS_CallBack,sample_rate,"CMS");
cms_chan = MixerChan.Install(CMS_CallBack,sample_rate_temp,"CMS");
last_command=PIC_Ticks;
last_command = PIC_Ticks;
for (int s=0;s<2;s++) {
struct SAA1099 *saa = &saa1099[s];
@ -443,7 +444,7 @@ public:
}
}
~CMS() {
cms_chan->Enable(false);
cms_chan = 0;
}
};