np2/i386c/mem9821.c - diff

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Diff for /np2/i386c/Attic/mem9821.c between versions 1.1 and 1.4

version 1.1, 2004/02/29 03:10:03	version 1.4, 2004/04/05 09:45:06
Line 1	Line 1
#include "compiler.h"	#include "compiler.h"

	#if defined(SUPPORT_PC9821)

#include "cpucore.h"	#include "cpucore.h"
#include "mem9821.h"	#include "mem9821.h"
#include "pccore.h"	#include "pccore.h"
Line 15 void MEMCALL mem9821_w(UINT32 addr, REG8	Line 18 void MEMCALL mem9821_w(UINT32 addr, REG8
bit = (addr & 0x40000)?2:1;	bit = (addr & 0x40000)?2:1;
vramupdate[LOW15(addr >> 3)] \|= bit;	vramupdate[LOW15(addr >> 3)] \|= bit;
gdcs.grphdisp \|= bit;	gdcs.grphdisp \|= bit;
TRACEOUT(("mem9821_w %x %x", addr, value));	// TRACEOUT(("mem9821_w %x %x", addr, value));
}	}

REG8 MEMCALL mem9821_r(UINT32 addr) {	REG8 MEMCALL mem9821_r(UINT32 addr) {
Line 33 void MEMCALL mem9821_ww(UINT32 addr, REG	Line 36 void MEMCALL mem9821_ww(UINT32 addr, REG
vramupdate[LOW15(addr >> 3)] \|= bit;	vramupdate[LOW15(addr >> 3)] \|= bit;
vramupdate[LOW15((addr + 1) >> 3)] \|= bit;	vramupdate[LOW15((addr + 1) >> 3)] \|= bit;
gdcs.grphdisp \|= bit;	gdcs.grphdisp \|= bit;
TRACEOUT(("mem9821_ww %x %x", addr, value));	// TRACEOUT(("mem9821_ww %x %x", addr, value));
}	}

REG16 MEMCALL mem9821_rw(UINT32 addr) {	REG16 MEMCALL mem9821_rw(UINT32 addr) {
Line 50 void MEMCALL mem9821_b0w(UINT32 address,	Line 53 void MEMCALL mem9821_b0w(UINT32 address,
UINT32 addr;	UINT32 addr;

address -= 0xa8000;	address -= 0xa8000;
addr = (vramop.bank2[((address >> 14) & 2)] & 15) << 15;	addr = (vramop.mio1[((address >> 14) & 2)] & 15) << 15;
addr += LOW15(address);	addr += LOW15(address);
vramex[addr] = value;	vramex[addr] = value;
vramupdate[LOW15(addr >> 3)] \|= (addr & 0x40000)?2:1;	vramupdate[LOW15(addr >> 3)] \|= (addr & 0x40000)?2:1;
Line 62 REG8 MEMCALL mem9821_b0r(UINT32 address)	Line 65 REG8 MEMCALL mem9821_b0r(UINT32 address)
UINT32 addr;	UINT32 addr;

address -= 0xa8000;	address -= 0xa8000;
addr = (vramop.bank2[((address >> 14) & 2)] & 15) << 15;	addr = (vramop.mio1[((address >> 14) & 2)] & 15) << 15;
addr += LOW15(address);	addr += LOW15(address);
return(vramex[addr]);	return(vramex[addr]);
}	}
Line 83 REG16 MEMCALL mem9821_b0rw(UINT32 addres	Line 86 REG16 MEMCALL mem9821_b0rw(UINT32 addres
}	}


void MEMCALL mem9821_b2w(UINT32 address, REG8 value) {	void MEMCALL mem9821_b2w(UINT32 addr, REG8 value) {

	UINT pos;

address -= 0xe0004;	addr -= 0xe0000;
if (address < 4) {	pos = addr - 0x0004;
vramop.bank2[address] = value;	if (pos < 4) {
TRACEOUT(("bank2[%d] = %.2x", address, value));	vramop.mio1[pos] = value;
	return;
	}
	pos = addr - 0x0100;
	if (pos < 0x40) {
	vramop.mio2[pos] = value;
	TRACEOUT(("mem9821_b2w(%.5x, %.2x)", addr, value));
	return;
}	}
}	}

REG8 MEMCALL mem9821_b2r(UINT32 address) {	REG8 MEMCALL mem9821_b2r(UINT32 addr) {

	UINT pos;

address -= 0xe0004;	addr -= 0xe0000;
if (address < 4) {	pos = addr - 0x0004;
return(vramop.bank2[address]);	if (pos < 4) {
	return(vramop.mio1[pos]);
	}
	pos = addr - 0x0100;
	if (pos < 0x40) {
	return(vramop.mio2[pos]);
}	}
return(0xff);	return(0x00);
}	}

void MEMCALL mem9821_b2ww(UINT32 address, REG16 value) {	void MEMCALL mem9821_b2ww(UINT32 address, REG16 value) {
Line 115 REG16 MEMCALL mem9821_b2rw(UINT32 addres	Line 134 REG16 MEMCALL mem9821_b2rw(UINT32 addres
ret \|= mem9821_b2r(address + 1) << 8;	ret \|= mem9821_b2r(address + 1) << 8;
return(ret);	return(ret);
}	}
	#endif

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