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Fix dual opl2 handling and put a low limit on sample rate

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3385
This commit is contained in:
Sjoerd van der Berg 2009-05-14 18:28:04 +00:00
parent 1ecf32e267
commit 02bfff0d5f
1 changed files with 6 additions and 3 deletions
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9
src/hardware/adlib.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: adlib.cpp,v 1.38 2009-04-28 21:48:24 harekiet Exp $ */
/* $Id: adlib.cpp,v 1.39 2009-05-14 18:28:04 harekiet Exp $ */
#include <stdlib.h>
#include <string.h>
@ -530,8 +530,8 @@ void Module::DualWrite( Bit8u index, Bit8u reg, Bit8u val ) {
if ( chip[index].Write( reg, val ) )
return;
//Enabling panning
if ( reg >= 0xc0 && reg <0xc8 ) {
val &= 7;
if ( reg >= 0xc0 && reg <=0xc8 ) {
val &= 0x0f;
val |= index ? 0xA0 : 0x50;
}
Bit32u fullReg = reg + (index ? 0x100 : 0);
@ -729,6 +729,9 @@ Module::Module( Section* configuration ) : Module_base(configuration) {
Section_prop * section=static_cast<Section_prop *>(configuration);
Bitu base = section->Get_hex("sbbase");
Bitu rate = section->Get_int("oplrate");
//Make sure we can't select lower than 8000 to prevent fixed point issues
if ( rate < 8000 )
rate = 8000;
std::string oplemu( section->Get_string( "oplemu" ) );
mixerChan = mixerObject.Install(OPL_CallBack,rate,"FM");