--- np2/bios/bios.c 2004/01/05 12:54:56 1.22 +++ np2/bios/bios.c 2004/01/07 06:53:47 1.23 @@ -187,7 +187,7 @@ void bios_init(void) { bios_reinitbyswitch(); mem[MEMB_CRT_STS_FLAG] = 0x84; - mem[MEMB_BIOS_FLAG0] = 0x03; // 00/05/17 beep tone + mem[MEMB_BIOS_FLAG0] = 0x03; mem[MEMB_F2DD_MODE] = 0xff; // ver0.29 SETBIOSMEM16(MEMW_DISK_EQUIP, 0x0003); // ver0.29 SETBIOSMEM32(MEMD_F2DD_POINTER, 0xfd801ad7); @@ -209,15 +209,17 @@ void bios_init(void) { #else fh = file_open_c("itf.rom"); if (fh != FILEH_INVALID) { - file_read(fh, &mem[ITF_ADRS], 0x8000); + file_read(fh, mem + ITF_ADRS, 0x8000); file_close(fh); + TRACEOUT(("load itf.rom")); } extmem_init(np2cfg.EXTMEM); #endif CopyMemory(mem + 0xd0000, sxsibios, sizeof(sxsibios)); + CPU_RAM_D000 &= ~(1 << 0); - CopyMemory(mem + 0x1c0000, mem + 0x1f8000, 0x08000); + CopyMemory(mem + 0x1c0000, mem + ITF_ADRS, 0x08000); CopyMemory(mem + 0x1e8000, mem + 0x0e8000, 0x10000); } @@ -250,9 +252,13 @@ UINT MEMCALL biosfunc(UINT32 adrs) { UINT16 bootseg; if ((CPU_ITFBANK) && (adrs >= 0xf8000) && (adrs < 0x100000)) { +#if 1 // for epson ITF + return(0); +#else CPU_IP--; CPU_REMCLOCK = -1; return(1); +#endif } switch(adrs) { // ver0.30