C++ (Cpp) DOSBOX_RunMachine Exemples

Exemple #1

Fichier : iohandler.cpp Projet : crutchwalkfactory/motocakerteam

Bitu IO_ReadD(Bitu port) {
	if (GCC_UNLIKELY(GETFLAG(VM) && (CPU_IO_Exception(port,4)))) {
		LazyFlags old_lflags;
		memcpy(&old_lflags,&lflags,sizeof(LazyFlags));
		CPU_Decoder * old_cpudecoder;
		old_cpudecoder=cpudecoder;
		cpudecoder=&IOFaultCore;
		IOF_Entry * entry=&iof_queue.entries[iof_queue.used++];
		entry->cs=SegValue(cs);
		entry->eip=reg_eip;
		CPU_Push16(SegValue(cs));
		CPU_Push16(reg_ip);
		Bit16u old_dx = reg_dx;
		reg_dx = port;
		RealPt icb = CALLBACK_RealPointer(call_priv_io);
		SegSet16(cs,RealSeg(icb));
		reg_eip = RealOff(icb)+0x04;
		CPU_Exception(cpu.exception.which,cpu.exception.error);

		DOSBOX_RunMachine();
		iof_queue.used--;

		Bitu retval = reg_eax;

		reg_dx = old_dx;		
		memcpy(&lflags,&old_lflags,sizeof(LazyFlags));
		cpudecoder=old_cpudecoder;
		return retval;
	}
	else return io_readhandlers[2][port](port,4);
}

Exemple #2

Fichier : iohandler.cpp Projet : crutchwalkfactory/motocakerteam

void IO_WriteW(Bitu port,Bitu val) {
	if (GCC_UNLIKELY(GETFLAG(VM) && (CPU_IO_Exception(port,2)))) {
		LazyFlags old_lflags;
		memcpy(&old_lflags,&lflags,sizeof(LazyFlags));
		CPU_Decoder * old_cpudecoder;
		old_cpudecoder=cpudecoder;
		cpudecoder=&IOFaultCore;
		IOF_Entry * entry=&iof_queue.entries[iof_queue.used++];
		entry->cs=SegValue(cs);
		entry->eip=reg_eip;
		CPU_Push16(SegValue(cs));
		CPU_Push16(reg_ip);
		Bit16u old_ax = reg_ax;
		Bit16u old_dx = reg_dx;
		reg_al = val;
		reg_dx = port;
		RealPt icb = CALLBACK_RealPointer(call_priv_io);
		SegSet16(cs,RealSeg(icb));
		reg_eip = RealOff(icb)+0x0a;
		CPU_Exception(cpu.exception.which,cpu.exception.error);

		DOSBOX_RunMachine();
		iof_queue.used--;

		reg_ax = old_ax;
		reg_dx = old_dx;
		memcpy(&lflags,&old_lflags,sizeof(LazyFlags));
		cpudecoder=old_cpudecoder;
	}
	else {
		IO_USEC_write_delay();
		io_writehandlers[1][port](port,val,2);
	}
}

Exemple #3

Fichier : callback.cpp Projet : dborth/dosbox-wii

void CALLBACK_RunRealInt(Bit8u intnum) {
	Bit32u oldeip=reg_eip;
	Bit16u oldcs=SegValue(cs);
	reg_eip=CB_SOFFSET+(CB_MAX*CB_SIZE)+(intnum*6);
	SegSet16(cs,CB_SEG);
	DOSBOX_RunMachine();
	reg_eip=oldeip;
	SegSet16(cs,oldcs);
}

Exemple #4

Fichier : callback.cpp Projet : dborth/dosbox-wii

void CALLBACK_RunRealFar(Bit16u seg,Bit16u off) {
	reg_sp-=4;
	mem_writew(SegPhys(ss)+reg_sp,RealOff(CALLBACK_RealPointer(call_stop)));
	mem_writew(SegPhys(ss)+reg_sp+2,RealSeg(CALLBACK_RealPointer(call_stop)));
	Bit32u oldeip=reg_eip;
	Bit16u oldcs=SegValue(cs);
	reg_eip=off;
	SegSet16(cs,seg);
	DOSBOX_RunMachine();
	reg_eip=oldeip;
	SegSet16(cs,oldcs);
}

Exemple #5

Fichier : callback.cpp Projet : BackupTheBerlios/smarterdata-svn

void CALLBACK_RunRealFar(Bit16u seg,Bit16u off) {
	reg_sp-=4;
	mem_writew(SegPhys(ss)+reg_sp,call_stop<<4);
	mem_writew(SegPhys(ss)+reg_sp+2,CB_SEG);
	Bit32u oldeip=reg_eip;
	Bit16u oldcs=SegValue(cs);
	reg_eip=off;
	SegSet16(cs,seg);
	DOSBOX_RunMachine();
	reg_eip=oldeip;
	SegSet16(cs,oldcs);
}

Exemple #6

Fichier : callback.cpp Projet : dborth/dosbox-wii

void CALLBACK_Idle(void) {
/* this makes the cpu execute instructions to handle irq's and then come back */
	Bitu oldIF=GETFLAG(IF);
	SETFLAGBIT(IF,true);
	Bit16u oldcs=SegValue(cs);
	Bit32u oldeip=reg_eip;
	SegSet16(cs,CB_SEG);
	reg_eip=CB_SOFFSET+call_idle*CB_SIZE;
	DOSBOX_RunMachine();
	reg_eip=oldeip;
	SegSet16(cs,oldcs);
	SETFLAGBIT(IF,oldIF);
	if (!CPU_CycleAutoAdjust && CPU_Cycles>0)
		CPU_Cycles=0;
}