np2/bios/bios.c - diff

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Diff for /np2/bios/bios.c between versions 1.14 and 1.22

version 1.14, 2003/12/12 01:04:39	version 1.22, 2004/01/05 12:54:56
Line 14	Line 14
#include "keytable.res"	#include "keytable.res"
#include "itfrom.res"	#include "itfrom.res"
#include "startup.res"	#include "startup.res"
	#include "biosboot.res"
	#include "sxsibios.res"


	#define BIOS_SIMULATE

BOOL biosrom = FALSE;	BOOL biosrom = FALSE;

static const char file_biosrom[] = "bios.rom";	static const char file_biosrom[] = "bios.rom";
Line 81 static void bios_reinitbyswitch(void) {	Line 85 static void bios_reinitbyswitch(void) {
}	}
gdcs.textdisp \|= GDCSCRN_EXT;	gdcs.textdisp \|= GDCSCRN_EXT;

if ((pc.model >= PCMODEL_VX) && (usesound & 0x7e)) {	if (((pc.model & PCMODELMASK) >= PCMODEL_VX) && (usesound & 0x7e)) {
iocore_out8(0x188, 0x27);	iocore_out8(0x188, 0x27);
iocore_out8(0x18a, 0x3f);	iocore_out8(0x18a, 0x3f);
}	}
Line 132 void bios_init(void) {	Line 136 void bios_init(void) {
fh = file_open_rb(path);	fh = file_open_rb(path);
if (fh != FILEH_INVALID) {	if (fh != FILEH_INVALID) {
if (file_read(fh, mem + 0x0e8000, 0x18000) == 0x18000) {	if (file_read(fh, mem + 0x0e8000, 0x18000) == 0x18000) {
	TRACEOUT(("load bios.rom"));
biosrom = TRUE;	biosrom = TRUE;
}	}
file_close(fh);	file_close(fh);
Line 140 void bios_init(void) {	Line 145 void bios_init(void) {
CopyMemory(mem + 0x0e8000, nosyscode, sizeof(nosyscode));	CopyMemory(mem + 0x0e8000, nosyscode, sizeof(nosyscode));
}	}

	#if defined(BIOS_SIMULATE)
// BIOS hookのアドレス変更	// BIOS hookのアドレス変更
for (i=0; i<0x20; i++) {	for (i=0; i<0x20; i++) {
STOREINTELWORD(mem + 0xfd868 + i*2, biosoffset[i]);	STOREINTELWORD(mem + 0xfd868 + i*2, biosoffset[i]);
Line 166 void bios_init(void) {	Line 172 void bios_init(void) {
CopyMemory(mem + 0xfd800 + 0x1ab7, fdfmt2hd, sizeof(fdfmt2hd));	CopyMemory(mem + 0xfd800 + 0x1ab7, fdfmt2hd, sizeof(fdfmt2hd));
CopyMemory(mem + 0xfd800 + 0x1adf, fdfmt2dd, sizeof(fdfmt2dd));	CopyMemory(mem + 0xfd800 + 0x1adf, fdfmt2dd, sizeof(fdfmt2dd));
CopyMemory(mem + 0xfd800 + 0x1980, fdfmt144, sizeof(fdfmt144)); // ver0.31	CopyMemory(mem + 0xfd800 + 0x1980, fdfmt144, sizeof(fdfmt144)); // ver0.31
	CopyMemory(mem + 0xfd800 + 0x2400, biosboot, sizeof(biosboot)); // ver0.73

SETBIOSMEM16(0xfffe8, 0xcb90);	SETBIOSMEM16(0xfffe8, 0xcb90);
SETBIOSMEM16(0xfffec, 0xcb90);	SETBIOSMEM16(0xfffec, 0xcb90);
mem[0xffff0] = 0xea;	mem[0xffff0] = 0xea;
STOREINTELDWORD(mem + 0xffff1, 0xfd800000);	STOREINTELDWORD(mem + 0xffff1, 0xfd800000);

#if 1	if ((!biosrom) && (!(pc.model & PCMODEL_EPSON))) {
CopyMemory(mem + ITF_ADRS, itfrom, sizeof(itfrom));
mem[ITF_ADRS + 0x7ff0] = 0xea;
STOREINTELDWORD(mem + ITF_ADRS + 0x7ff1, 0xf8000000);
#if 0
fh = file_create("itf.rom");
if (fh != FILEH_INVALID) {
file_write(fh, itfrom, sizeof(itfrom));
file_close(fh);
}
#endif
#else
fh = file_open_c("itf.rom");
if (fh != FILEH_INVALID) {
file_read(fh, &mem[ITF_ADRS], 0x8000);
file_close(fh);
}
#endif
if (!biosrom) {
CopyMemory(mem + 0xe8dd8, neccheck, 0x25);	CopyMemory(mem + 0xe8dd8, neccheck, 0x25);
pos = LOADINTELWORD(itfrom + 2);	pos = LOADINTELWORD(itfrom + 2);
CopyMemory(mem + 0xf538e, itfrom + pos, 0x27);	CopyMemory(mem + 0xf538e, itfrom + pos, 0x27);
Line 207 if (fh != FILEH_INVALID) {	Line 196 if (fh != FILEH_INVALID) {

CopyMemory(mem + 0x0fde00, keytable[0], 0x300);	CopyMemory(mem + 0x0fde00, keytable[0], 0x300);
bios0x09_init();	bios0x09_init();

	CopyMemory(mem + ITF_ADRS, itfrom, sizeof(itfrom));
	mem[ITF_ADRS + 0x7ff0] = 0xea;
	STOREINTELDWORD(mem + ITF_ADRS + 0x7ff1, 0xf8000000);
	if (pc.model & PCMODEL_EPSON) {
	mem[ITF_ADRS + 0x7ff1] = 0x04;
	}
	else if ((pc.model & PCMODELMASK) == PCMODEL_VM) {
	mem[ITF_ADRS + 0x7ff1] = 0x08;
	}
	#else
	fh = file_open_c("itf.rom");
	if (fh != FILEH_INVALID) {
	file_read(fh, &mem[ITF_ADRS], 0x8000);
	file_close(fh);
	}
	extmem_init(np2cfg.EXTMEM);
	#endif

	CopyMemory(mem + 0xd0000, sxsibios, sizeof(sxsibios));

	CopyMemory(mem + 0x1c0000, mem + 0x1f8000, 0x08000);
	CopyMemory(mem + 0x1e8000, mem + 0x0e8000, 0x10000);
}	}

static void bios_boot(void) {	static void bios_boot(void) {
Line 228 static void bios_boot(void) {	Line 240 static void bios_boot(void) {
else {	else {
CPU_SP = GETBIOSMEM16(0x00404);	CPU_SP = GETBIOSMEM16(0x00404);
CPU_SS = GETBIOSMEM16(0x00406);	CPU_SS = GETBIOSMEM16(0x00406);
	TRACEOUT(("Protect Disable... SS:SP = %.4x:%.4x", CPU_SS, CPU_SP));
}	}
}	}

Line 343 UINT MEMCALL biosfunc(UINT32 adrs) {	Line 356 UINT MEMCALL biosfunc(UINT32 adrs) {
return(1);	return(1);

case 0xfd802: // ブート	case 0xfd802: // ブート
bios_reinitbyswitch(); // ver0.27	bios_reinitbyswitch();
bios_vectorset(); // ver0.29	bios_vectorset();
	#if 1 // ver0.73
	CPU_CS = 0xfd80;
	CPU_IP = 0x2400;
	#else
bootseg = bootstrapload();	bootseg = bootstrapload();
CPU_STI;	CPU_STI;
CPU_CS = (bootseg != 0)?bootseg:0xe800;	CPU_CS = (bootseg != 0)?bootseg:0xe800;
Line 352 UINT MEMCALL biosfunc(UINT32 adrs) {	Line 369 UINT MEMCALL biosfunc(UINT32 adrs) {
CPU_SS = 0x0030;	CPU_SS = 0x0030;
CPU_SP = 0x00e6;	CPU_SP = 0x00e6;
CPU_IP = 0x0000;	CPU_IP = 0x0000;
	#endif
return(1);	return(1);

case 0xfffe8: // ブートストラップロード	case 0xfffe8: // ブートストラップロード
Line 361 UINT MEMCALL biosfunc(UINT32 adrs) {	Line 379 UINT MEMCALL biosfunc(UINT32 adrs) {
CPU_STI;	CPU_STI;
CPU_CS = bootseg;	CPU_CS = bootseg;
CPU_IP = 0x0000;	CPU_IP = 0x0000;
CPU_SS = 0x0030;
CPU_SP = 0x00e6;
return(1);	return(1);
}	}
return(0);	return(0);

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

Removed from v.1.14
changed lines
	Added in v.1.22