xmil/io/memio.c - diff

Return to memio.c CVS log

Up to [RetroPC.NET] / xmil / io

Diff for /xmil/io/memio.c between versions 1.2 and 1.5

version 1.2, 2004/08/08 17:45:52	version 1.5, 2005/02/04 06:42:11
Line 1	Line 1
#include "compiler.h"	#include "compiler.h"
	#include "dosio.h"
#include "z80core.h"	#include "z80core.h"
#include "pccore.h"	#include "pccore.h"
#include "iocore.h"	#include "iocore.h"
	#include "defipl.res"


	UINT8 biosmem[0x8000];
	#if defined(SUPPORT_BANKMEM)
	UINT8 bankmem[16][0x8000];
	#endif


void memio_update(void) {	void memio_update(void) {

#if defined(SUPPORT_EMS)	#if defined(SUPPORT_BANKMEM)
if (memio.ems & 0x10) {	if (iocore.s.bankmem & 0x10) {
#endif	#endif
if (!memio.ram) {	if (!(iocore.s.ppib & 0x10)) {
RAM0r = mBIOS;	z80core.e.memread = biosmem;
RAM0w = mMAIN;
}	}
else {	else {
RAM0r = RAM0w = mMAIN;	z80core.e.memread = mainmem;
}	}
#if defined(SUPPORT_EMS)	z80core.e.memwrite = mainmem;
	#if defined(SUPPORT_BANKMEM)
}	}
else {	else {
RAM0r = RAM0w = mBANK[memio.ems & 15];	z80core.e.memread = bankmem[iocore.s.bankmem & 15];
	z80core.e.memwrite = bankmem[iocore.s.bankmem & 15];
}	}
#endif	#endif
}	}

#if defined(SUPPORT_EMS)	#if defined(SUPPORT_BANKMEM)
void IOOUTCALL memio_ems_o(UINT port, REG8 dat) {	void IOOUTCALL memio_bank_o(UINT port, REG8 dat) {

memio.ems = dat;	iocore.s.bankmem = dat;
memio_update();	memio_update();
(void)port;	(void)port;
}	}

REG8 IOINPCALL memio_ems_i(UINT port) {	REG8 IOINPCALL memio_bank_i(UINT port) {

(void)port;	(void)port;
return(memio.ems);	return(iocore.s.bankmem);
}	}
#endif	#endif

void IOOUTCALL memio_rom(UINT port, REG8 dat) {	void IOOUTCALL memio_rom(UINT port, REG8 dat) {

memio.ram = 0x00;	iocore.s.ppib &= ~0x10;
#if defined(SUPPORT_EMS)	#if defined(SUPPORT_BANKMEM)
if (memio.ems & 0x10) {	if (iocore.s.bankmem & 0x10) {
#endif	#endif
RAM0r = mBIOS;	z80core.e.memread = biosmem;
#if defined(SUPPORT_EMS)	#if defined(SUPPORT_BANKMEM)
}	}
#endif	#endif
(void)port;	(void)port;
Line 55 void IOOUTCALL memio_rom(UINT port, REG8	Line 64 void IOOUTCALL memio_rom(UINT port, REG8

void IOOUTCALL memio_ram(UINT port, REG8 dat) {	void IOOUTCALL memio_ram(UINT port, REG8 dat) {

memio.ram = 0x10;	iocore.s.ppib \|= 0x10;
#if defined(SUPPORT_EMS)	#if defined(SUPPORT_BANKMEM)
if (memio.ems & 0x10) {	if (iocore.s.bankmem & 0x10) {
#endif	#endif
RAM0r = mMAIN;	z80core.e.memread = mainmem;
#if defined(SUPPORT_EMS)	#if defined(SUPPORT_BANKMEM)
}	}
#endif	#endif
(void)port;	(void)port;
Line 70 void IOOUTCALL memio_ram(UINT port, REG8	Line 79 void IOOUTCALL memio_ram(UINT port, REG8

// ----	// ----

	static const OEMCHAR iplromx1[] = OEMTEXT("IPLROM.X1");
	static const OEMCHAR iplromx1t[] = OEMTEXT("IPLROM.X1T");

void memio_reset(void) {	void memio_reset(void) {

memio.ram = 0x00;	const OEMCHAR *iplfile;
#if defined(SUPPORT_EMS)	UINT iplsize;
memio.ems = 0x78;	FILEH fh;

	ZeroMemory(biosmem, 0x8000);
	CopyMemory(biosmem, defaultiplrom, sizeof(defaultiplrom));
	if (pccore.ROM_TYPE >= 1) {
	if (pccore.ROM_TYPE >= 2) {
	iplfile = iplromx1t;
	iplsize = 0x8000;
	}
	else {
	iplfile = iplromx1;
	iplsize = 0x8000;
	}
	fh = file_open_rb_c(iplfile);
	if (fh != FILEH_INVALID) {
	file_read(fh, biosmem, iplsize);
	file_close(fh);
	}
	}

	#if defined(SUPPORT_BANKMEM)
	iocore.s.bankmem = 0x78;
#endif	#endif
memio_update();	memio_update();
}	}

RetroPC.NET-CVS <cvs@retropc.net>

Removed from v.1.2
changed lines
	Added in v.1.5