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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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48
src/hardware/cmos.cpp
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@ -24,6 +24,7 @@
#include "inout.h"
#include "mem.h"
#include "bios.h"
#include "setup.h"
static struct {
Bit8u regs[0x40];
@ -266,20 +267,37 @@ void CMOS_SetRegister(Bitu regNr, Bit8u val)
cmos.regs[regNr] = val;
};
void CMOS_Init(Section* sec) {
IO_RegisterWriteHandler(0x70,cmos_selreg,IO_MB);
IO_RegisterWriteHandler(0x71,cmos_writereg,IO_MB);
IO_RegisterReadHandler(0x71,cmos_readreg,IO_MB);
cmos.timer.enabled=false;
cmos.reg=0xa;
cmos_writereg(0x71,0x26,1);
cmos.reg=0xb;
cmos_writereg(0x71,0,1);
/* Fill in extended memory size */
Bitu exsize=(MEM_TotalPages()*4)-1024;
cmos.regs[0x17]=(Bit8u)exsize;
cmos.regs[0x18]=(Bit8u)(exsize >> 8);
cmos.regs[0x30]=(Bit8u)exsize;
cmos.regs[0x31]=(Bit8u)(exsize >> 8);
class CMOS:public Module_base{
private:
IO_ReadHandleObject ReadHandler[2];
IO_WriteHandleObject WriteHandler[2];
public:
CMOS(Section* configuration):Module_base(configuration){
WriteHandler[0].Install(0x70,cmos_selreg,IO_MB);
WriteHandler[1].Install(0x71,cmos_writereg,IO_MB);
ReadHandler[0].Install(0x71,cmos_readreg,IO_MB);
cmos.timer.enabled=false;
cmos.reg=0xa;
cmos_writereg(0x71,0x26,1);
cmos.reg=0xb;
cmos_writereg(0x71,0,1);
/* Fill in extended memory size */
Bitu exsize=(MEM_TotalPages()*4)-1024;
cmos.regs[0x17]=(Bit8u)exsize;
cmos.regs[0x18]=(Bit8u)(exsize >> 8);
cmos.regs[0x30]=(Bit8u)exsize;
cmos.regs[0x31]=(Bit8u)(exsize >> 8);
}
};
static CMOS* test;
void CMOS_Destroy(Section* sec){
delete test;
}
void CMOS_Init(Section* sec) {
test = new CMOS(sec);
sec->AddDestroyFunction(&CMOS_Destroy,true);
}