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Some patches by h-a-l-9000. Simple implementation of the gate of timer 2. Only switch to bcd when programming. Don't fire the same irq twice when reprogramming.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2876
This commit is contained in:
Peter Veenstra 2007-06-08 08:21:45 +00:00
parent 7ca4e50bf8
commit 44fd176892
2 changed files with 47 additions and 9 deletions
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10
src/hardware/keyboard.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: keyboard.cpp,v 1.37 2007-01-21 11:01:54 qbix79 Exp $ */
/* $Id: keyboard.cpp,v 1.38 2007-06-08 08:21:45 qbix79 Exp $ */
#include "dosbox.h"
#include "keyboard.h"
@ -179,9 +179,13 @@ static Bitu read_p61(Bitu port,Bitu iolen) {
return port_61_data;
}
extern void TIMER_SetGate2(bool);
static void write_p61(Bitu port,Bitu val,Bitu iolen) {
if ((port_61_data ^ val) & 3) PCSPEAKER_SetType(val & 3);
port_61_data=val;
if ((port_61_data ^ val) & 3) {
if((port_61_data ^ val) & 1) TIMER_SetGate2(val&0x1);
PCSPEAKER_SetType(val & 3);
}
port_61_data = val;
}
static void write_p64(Bitu port,Bitu val,Bitu iolen) {