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New configuration layer. Runtime changing of settings.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2160
This commit is contained in:
Peter Veenstra 2005-03-25 11:52:32 +00:00
parent 3b4e696309
commit d382abd209
14 changed files with 753 additions and 425 deletions
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102
src/hardware/timer.cpp
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@ -16,17 +16,16 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: timer.cpp,v 1.31 2005-02-10 10:21:10 qbix79 Exp $ */
/* $Id: timer.cpp,v 1.32 2005-03-25 11:52:32 qbix79 Exp $ */
#include <math.h>
#include "dosbox.h"
#include "inout.h"
#include "pic.h"
#include "bios.h"
#include "mem.h"
#include "dosbox.h"
#include "mixer.h"
#include "timer.h"
#include "math.h"
#include "setup.h"
static INLINE void BIN2BCD(Bit16u& val) {
Bit16u temp=val%10 + (((val/10)%10)<<4)+ (((val/100)%10)<<8) + (((val/1000)%10)<<12);
@ -245,44 +244,61 @@ static void write_p43(Bitu port,Bitu val,Bitu iolen) {
}
void TIMER_Init(Section* sect) {
IO_RegisterWriteHandler(0x40,write_latch,IO_MB);
// IO_RegisterWriteHandler(0x41,write_latch,IO_MB);
IO_RegisterWriteHandler(0x42,write_latch,IO_MB);
IO_RegisterWriteHandler(0x43,write_p43,IO_MB);
IO_RegisterReadHandler(0x40,read_latch,IO_MB);
IO_RegisterReadHandler(0x41,read_latch,IO_MB);
IO_RegisterReadHandler(0x42,read_latch,IO_MB);
/* Setup Timer 0 */
pit[0].cntr=0x10000;
pit[0].write_state = 3;
pit[0].read_state = 3;
pit[0].read_latch=0;
pit[0].write_latch=0;
pit[0].mode=3;
pit[0].bcd = false;
pit[0].go_read_latch = true;
class TIMER:public Module_base{
private:
IO_ReadHandleObject ReadHandler[4];
IO_WriteHandleObject WriteHandler[4];
public:
TIMER(Section* configuration):Module_base(configuration){
WriteHandler[0].Install(0x40,write_latch,IO_MB);
// WriteHandler[1].Install(0x41,write_latch,IO_MB);
WriteHandler[2].Install(0x42,write_latch,IO_MB);
WriteHandler[3].Install(0x43,write_p43,IO_MB);
ReadHandler[0].Install(0x40,read_latch,IO_MB);
ReadHandler[1].Install(0x41,read_latch,IO_MB);
ReadHandler[2].Install(0x42,read_latch,IO_MB);
/* Setup Timer 0 */
pit[0].cntr=0x10000;
pit[0].write_state = 3;
pit[0].read_state = 3;
pit[0].read_latch=0;
pit[0].write_latch=0;
pit[0].mode=3;
pit[0].bcd = false;
pit[0].go_read_latch = true;
pit[1].bcd = false;
pit[1].write_state = 1;
pit[1].read_state = 1;
pit[1].go_read_latch = true;
pit[1].cntr = 18;
pit[1].mode = 2;
pit[1].write_state = 3;
pit[2].read_latch=0; /* MadTv1 */
pit[2].write_state = 3; /* Chuck Yeager */
pit[2].read_state = 3;
pit[2].mode=3;
pit[2].bcd=false;
pit[2].cntr=1320;
pit[2].go_read_latch=true;
pit[0].delay=(1000.0f/((float)PIT_TICK_RATE/(float)pit[0].cntr));
pit[1].delay=(1000.0f/((float)PIT_TICK_RATE/(float)pit[1].cntr));
pit[2].delay=(1000.0f/((float)PIT_TICK_RATE/(float)pit[2].cntr));
PIC_AddEvent(PIT0_Event,pit[0].delay);
}
~TIMER(){
PIC_RemoveEvents(PIT0_Event);
}
};
static TIMER* test;
pit[1].bcd = false;
pit[1].write_state = 1;
pit[1].read_state = 1;
pit[1].go_read_latch = true;
pit[1].cntr = 18;
pit[1].mode = 2;
pit[1].write_state = 3;
pit[2].read_latch=0; /* MadTv1 */
pit[2].write_state = 3; /* Chuck Yeager */
pit[2].read_state = 3;
pit[2].mode=3;
pit[2].bcd=false;
pit[2].cntr=1320;
pit[2].go_read_latch=true;
pit[0].delay=(1000.0f/((float)PIT_TICK_RATE/(float)pit[0].cntr));
pit[1].delay=(1000.0f/((float)PIT_TICK_RATE/(float)pit[1].cntr));
pit[2].delay=(1000.0f/((float)PIT_TICK_RATE/(float)pit[2].cntr));
PIC_AddEvent(PIT0_Event,pit[0].delay);
void TIMER_Destroy(Section* sec){
delete test;
}
void TIMER_Init(Section* sec) {
test = new TIMER(sec);
sec->AddDestroyFunction(&TIMER_Destroy);
}