--- np2/bios/bios.c 2003/12/08 00:55:30 1.12 +++ np2/bios/bios.c 2003/12/27 11:55:22 1.19 @@ -1,7 +1,6 @@ #include "compiler.h" #include "dosio.h" #include "cpucore.h" -#include "memory.h" #include "pccore.h" #include "iocore.h" #include "bios.h" @@ -14,8 +13,11 @@ #include "fdfmt.h" #include "keytable.res" #include "itfrom.res" +#include "startup.res" +#define BIOS_SIMULATE + BOOL biosrom = FALSE; static const char file_biosrom[] = "bios.rom"; @@ -25,22 +27,6 @@ static const char neccheck[] = "Copyrigh // 00/05/18 MS-DOS6.2 on PC-9801VX calling proc static const BYTE printmain[] = {0x90, 0x5a, 0x1f, 0xcf}; -static const BYTE nosyscode[] = { - 0xeb,0x05,0xbe,0x6f,0x00,0xeb,0x03,0xbe,0x47,0x00,0xb8,0x00, - 0x10,0xbb,0x00,0x80,0x8e,0xd0,0x8b,0xe3,0x8c,0xc8,0x8e,0xd8, - 0xb8,0x00,0xa0,0x8e,0xc0,0xb9,0x00,0x10,0xb8,0x20,0x00,0x33, - 0xff,0xfc,0xf3,0xab,0xb0,0xe1,0xb9,0xe0,0x1f,0xaa,0x47,0xe2, - 0xfc,0x2e,0xad,0x8b,0xf8,0x2e,0xad,0x85,0xc0,0x74,0x0a,0xab, - 0x0a,0xe4,0x74,0xf5,0x83,0xc7,0x02,0xeb,0xf0,0xeb,0xfe,0xac, - 0x07,0x05,0x37,0x05,0x39,0x05,0x46,0x05,0x60,0x05,0x47,0x05, - 0x23,0x05,0x39,0x05,0x2f,0x04,0x72,0x05,0x3b,0x05,0x43,0x05, - 0x48,0x04,0x37,0x04,0x46,0x04,0x2f,0x04,0x40,0x04,0x35,0x04, - 0x24,0x00,0x00,0xae,0x07,0x42,0x00,0x41,0x00,0x53,0x00,0x49, - 0x00,0x43,0x00,0x04,0x4e,0x15,0x2f,0x26,0x30,0x04,0x4b,0x04, - 0x4f,0x20,0x00,0x42,0x00,0x49,0x00,0x4f,0x00,0x53,0x00,0x2e, - 0x00,0x52,0x00,0x4f,0x00,0x4d,0x00,0x04,0x2c,0x29,0x2c,0x2d, - 0x57,0x04,0x47,0x04,0x39,0x00,0x00}; - static void bios_reinitbyswitch(void) { @@ -97,7 +83,7 @@ static void bios_reinitbyswitch(void) { } 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(0x18a, 0x3f); } @@ -156,6 +142,7 @@ void bios_init(void) { CopyMemory(mem + 0x0e8000, nosyscode, sizeof(nosyscode)); } +#if defined(BIOS_SIMULATE) // BIOS hookのアドレス変更 for (i=0; i<0x20; i++) { STOREINTELWORD(mem + 0xfd868 + i*2, biosoffset[i]); @@ -188,25 +175,7 @@ void bios_init(void) { mem[0xffff0] = 0xea; STOREINTELDWORD(mem + 0xffff1, 0xfd800000); -#if 1 - 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) { + if ((!biosrom) && (!(pc.model & PCMODEL_EPSON))) { CopyMemory(mem + 0xe8dd8, neccheck, 0x25); pos = LOADINTELWORD(itfrom + 2); CopyMemory(mem + 0xf538e, itfrom + pos, 0x27); @@ -223,6 +192,24 @@ if (fh != FILEH_INVALID) { CopyMemory(mem + 0x0fde00, keytable[0], 0x300); 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 } static void bios_boot(void) { @@ -244,6 +231,7 @@ static void bios_boot(void) { else { CPU_SP = GETBIOSMEM16(0x00404); CPU_SS = GETBIOSMEM16(0x00406); + TRACEOUT(("Protect Disable... SS:SP = %.4x:%.4x", CPU_SS, CPU_SP)); } }