EXTROMH extromio_open(const OEMCHAR *filename, UINT type) {
EXTROMH ret;
HRSRC hrsrc;
HGLOBAL hg;
ret = (EXTROMH)_MALLOC(sizeof(_EXTROMH), filename);
if (ret == NULL) {
goto erope_err1;
}
ret->type = type;
if (type == EXTROMIO_FILE) {
ret->fh = (void *)file_open_c(filename);
if ((FILEH)ret->fh != FILEH_INVALID) {
return(ret);
}
}
else if (type == EXTROMIO_RES) {
#if defined(OSLANG_UTF8)
TCHAR tchr[MAX_PATH];
oemtotchar(tchr, NELEMENTS(tchr), filename, -1);
hrsrc = FindResource(hInst, tchr, str_extrom);
#else
hrsrc = FindResource(hInst, filename, str_extrom);
#endif
if (hrsrc) {
hg = LoadResource(hInst, hrsrc);
ret->fh = (void *)LockResource(hg);
ret->pos = 0;
ret->size = SizeofResource(hInst, hrsrc);
return(ret);
}
}
_MFREE(ret);
erope_err1:
return(NULL);
}
void bios_initialize(void) {
BOOL biosrom;
OEMCHAR path[MAX_PATH];
FILEH fh;
UINT i;
UINT32 tmp;
UINT pos;
biosrom = FALSE;
getbiospath(path, str_biosrom, NELEMENTS(path));
fh = file_open_rb(path);
if (fh != FILEH_INVALID) {
biosrom = (file_read(fh, mem + 0x0e8000, 0x18000) == 0x18000);
file_close(fh);
}
if (biosrom) {
TRACEOUT(("load bios.rom"));
pccore.rom |= PCROM_BIOS;
// PnP BIOSを潰す
for (i=0; i<0x10000; i+=0x10) {
tmp = LOADINTELDWORD(mem + 0xf0000 + i);
if (tmp == 0x506e5024) {
TRACEOUT(("found PnP BIOS at %.5x", 0xf0000 + i));
mem[0xf0000 + i] = 0x6e;
mem[0xf0002 + i] = 0x24;
break;
}
}
}
else {
CopyMemory(mem + 0x0e8000, nosyscode, sizeof(nosyscode));
if ((!biosrom) && (!(pccore.model & PCMODEL_EPSON))) {
CopyMemory(mem + 0xe8dd8, neccheck, 0x25);
pos = LOADINTELWORD(itfrom + 2);
CopyMemory(mem + 0xf538e, itfrom + pos, 0x27);
}
setbiosseed(mem + 0x0e8000, 0x10000, 0xb1f0);
}
#if defined(SUPPORT_PC9821)
getbiospath(path, OEMTEXT("bios9821.rom"), sizeof(path));
fh = file_open_rb(path);
if (fh != FILEH_INVALID) {
if (file_read(fh, mem + 0x0d8000, 0x2000) == 0x2000) {
// IDE BIOSを潰す
TRACEOUT(("load bios9821.rom"));
STOREINTELWORD(mem + 0x0d8009, 0);
}
file_close(fh);
}
#if defined(BIOS_SIMULATE)
mem[0xf8e80] = 0x98;
mem[0xf8e81] = 0x21;
mem[0xf8e82] = 0x1f;
mem[0xf8e83] = 0x20; // Model Number?
mem[0xf8e84] = 0x2c;
mem[0xf8e85] = 0xb0;
// mem[0xf8eaf] = 0x21; // <- これって何だっけ？
#endif
#endif
#if defined(BIOS_SIMULATE)
CopyMemory(mem + BIOS_BASE, biosfd80, sizeof(biosfd80));
if (!biosrom) {
lio_initialize();
}
for (i=0; i<8; i+=2) {
STOREINTELWORD(mem + 0xfd800 + 0x1aaf + i, 0x1ab7);
STOREINTELWORD(mem + 0xfd800 + 0x1ad7 + i, 0x1adf);
STOREINTELWORD(mem + 0xfd800 + 0x2361 + i, 0x1980);
}
CopyMemory(mem + 0xfd800 + 0x1ab7, fdfmt2hd, sizeof(fdfmt2hd));
CopyMemory(mem + 0xfd800 + 0x1adf, fdfmt2dd, sizeof(fdfmt2dd));
CopyMemory(mem + 0xfd800 + 0x1980, fdfmt144, sizeof(fdfmt144));
SETBIOSMEM16(0xfffe8, 0xcb90);
SETBIOSMEM16(0xfffec, 0xcb90);
mem[0xffff0] = 0xea;
STOREINTELDWORD(mem + 0xffff1, 0xfd800000);
CopyMemory(mem + 0x0fd800 + 0x0e00, keytable[0], 0x300);
CopyMemory(mem + ITF_ADRS, itfrom, sizeof(itfrom));
mem[ITF_ADRS + 0x7ff0] = 0xea;
STOREINTELDWORD(mem + ITF_ADRS + 0x7ff1, 0xf8000000);
if (pccore.model & PCMODEL_EPSON) {
mem[ITF_ADRS + 0x7ff1] = 0x04;
}
else if ((pccore.model & PCMODELMASK) == PCMODEL_VM) {
mem[ITF_ADRS + 0x7ff1] = 0x08;
}
setbiosseed(mem + 0x0f8000, 0x08000, 0x7ffe);
#else
fh = file_open_c("itf.rom");
if (fh != FILEH_INVALID) {
file_read(fh, mem + ITF_ADRS, 0x8000);
file_close(fh);
TRACEOUT(("load itf.rom"));
}
#endif
CopyMemory(mem + 0x1c0000, mem + ITF_ADRS, 0x08000);
CopyMemory(mem + 0x1e8000, mem + 0x0e8000, 0x10000);
}
