| version 1.12, 2003/12/08 00:55:30 | version 1.28, 2004/01/22 01:10:03 | 
| Line 1 | Line 1 | 
 | #include        "compiler.h" | #include        "compiler.h" | 
 | #include        "dosio.h" | #include        "dosio.h" | 
 | #include        "cpucore.h" | #include        "cpucore.h" | 
 | #include        "memory.h" |  | 
 | #include        "pccore.h" | #include        "pccore.h" | 
 | #include        "iocore.h" | #include        "iocore.h" | 
 | #include        "bios.h" | #include        "bios.h" | 
 | #include        "biosmem.h" | #include        "biosmem.h" | 
 |  | #include        "sxsibios.h" | 
 | #include        "sound.h" | #include        "sound.h" | 
 | #include        "fmboard.h" | #include        "fmboard.h" | 
 | #include        "lio.h" | #include        "lio.h" | 
| Line 14 | Line 14 | 
 | #include        "fdfmt.h" | #include        "fdfmt.h" | 
 | #include        "keytable.res" | #include        "keytable.res" | 
 | #include        "itfrom.res" | #include        "itfrom.res" | 
 |  | #include        "startup.res" | 
 |  | #include        "biosboot.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 25  static const char neccheck[] = "Copyrigh | Line 29  static const char neccheck[] = "Copyrigh | 
 | // 00/05/18 MS-DOS6.2 on PC-9801VX calling proc | // 00/05/18 MS-DOS6.2 on PC-9801VX calling proc | 
 | static const BYTE printmain[] = {0x90, 0x5a, 0x1f, 0xcf}; | 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) { | static void bios_reinitbyswitch(void) { | 
 |  |  | 
| Line 48  static void bios_reinitbyswitch(void) { | Line 36  static void bios_reinitbyswitch(void) { | 
 | BYTE    prxdupd; | BYTE    prxdupd; | 
 | BYTE    biosflag; | BYTE    biosflag; | 
 | BYTE    ext_mem; | BYTE    ext_mem; | 
 |  | UINT8   boot; | 
 |  |  | 
 |  | #if defined(CPUCORE_IA32) | 
 |  | UINT16  org_cs; | 
 |  | UINT16  org_ip; | 
 |  |  | 
 |  | org_cs = CPU_CS; | 
 |  | org_ip = CPU_IP; | 
 |  | CPU_SHUT(); | 
 |  | CPU_CS = org_cs; | 
 |  | CPU_IP = org_ip; | 
 |  | SETBIOSMEM16(0x00486, CPU_DX); | 
 |  | #endif | 
 |  |  | 
 |  | mem[MEMB_BIOS_FLAG0] = 0x01; | 
 | CPU_TYPE = 0; | CPU_TYPE = 0; | 
 | prxcrt = 0xc8; | prxcrt = 0xc8; | 
 | if (gdc.display & 2) { | if (gdc.display & 2) { | 
| Line 72  static void bios_reinitbyswitch(void) { | Line 74  static void bios_reinitbyswitch(void) { | 
 | mem[MEMB_PRXDUPD] = prxdupd; | mem[MEMB_PRXDUPD] = prxdupd; | 
 |  |  | 
 | biosflag = 0x20; | biosflag = 0x20; | 
| if (pc.cpumode & CPUMODE_8MHz) { | if (pccore.cpumode & CPUMODE_8MHz) { | 
 | biosflag |= 0x80; | biosflag |= 0x80; | 
 | } | } | 
 | biosflag |= mem[0xa3fea] & 7; | biosflag |= mem[0xa3fea] & 7; | 
| Line 87  static void bios_reinitbyswitch(void) { | Line 89  static void bios_reinitbyswitch(void) { | 
 | if (extmem_init(ext_mem)) {                                                                             // ver0.28 | if (extmem_init(ext_mem)) {                                                                             // ver0.28 | 
 | ext_mem = 0;                                                    // メモリ確保に失敗 | ext_mem = 0;                                                    // メモリ確保に失敗 | 
 | } | } | 
| mem[MEMB_BIOS_FLAG] = biosflag; | mem[MEMB_BIOS_FLAG1] = biosflag; | 
 | mem[MEMB_EXPMMSZ] = (BYTE)(ext_mem << 3); | mem[MEMB_EXPMMSZ] = (BYTE)(ext_mem << 3); | 
 | mem[MEMB_CRT_RASTER] = 0x0f; | mem[MEMB_CRT_RASTER] = 0x0f; | 
 |  |  | 
| Line 97  static void bios_reinitbyswitch(void) { | Line 99  static void bios_reinitbyswitch(void) { | 
 | } | } | 
 | gdcs.textdisp |= GDCSCRN_EXT; | gdcs.textdisp |= GDCSCRN_EXT; | 
 |  |  | 
| if ((pc.model >= PCMODEL_VX) && (usesound & 0x7e)) { | if (((pccore.model & PCMODELMASK) >= PCMODEL_VX) && (usesound & 0x7e)) { | 
 | iocore_out8(0x188, 0x27); | iocore_out8(0x188, 0x27); | 
 | iocore_out8(0x18a, 0x3f); | iocore_out8(0x18a, 0x3f); | 
 | } | } | 
 |  |  | 
 |  | // FDD initialize | 
 |  | SETBIOSMEM32(MEMD_F2DD_POINTER, 0xfd801ad7); | 
 |  | SETBIOSMEM32(MEMD_F2HD_POINTER, 0xfd801aaf); | 
 |  | boot = mem[MEMB_MSW5] & 0xf0; | 
 |  | if (boot != 0x20) {             // 1MB | 
 |  | fddbios_equip(DISKTYPE_2HD, TRUE); | 
 |  | mem[MEMB_BIOS_FLAG0] |= 0x02; | 
 |  | } | 
 |  | else {                                  // 640KB | 
 |  | fddbios_equip(DISKTYPE_2DD, TRUE); | 
 |  | mem[MEMB_BIOS_FLAG0] &= ~0x02; | 
 |  | } | 
 |  | mem[MEMB_F2DD_MODE] = 0xff; | 
 |  |  | 
 |  | // IDE initialize | 
 |  | if (pccore.hddif & PCHDD_IDE) { | 
 |  | CPU_AX = 0x8300; | 
 |  | sasibios_operate(); | 
 |  | } | 
 | } | } | 
 |  |  | 
 | static void bios_vectorset(void) {                                                                      // ver0.30 | static void bios_vectorset(void) {                                                                      // ver0.30 | 
| Line 117  static void bios_vectorset(void) { | Line 139  static void bios_vectorset(void) { | 
 | SETBIOSMEM32(0x1e*4, 0xe8000000); | SETBIOSMEM32(0x1e*4, 0xe8000000); | 
 | } | } | 
 |  |  | 
 |  | static void bios_screeninit(void) { | 
 |  |  | 
 |  | UINT    ax; | 
 |  |  | 
 |  | ax = 0x0a04; | 
 |  | ax += (np2cfg.dipsw[1] & 0x04) >> 1; | 
 |  | ax += (np2cfg.dipsw[1] & 0x08) >> 3; | 
 |  | CPU_AX = ax; | 
 |  | bios0x18(); | 
 |  | } | 
 |  |  | 
 |  |  | 
 | // CDSで見てる為、変更…(涙 | // CDSで見てる為、変更…(涙 | 
 | static const UINT16 biosoffset[0x20] = { | static const UINT16 biosoffset[0x20] = { | 
| Line 148  void bios_init(void) { | Line 181  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 156  void bios_init(void) { | Line 190  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 177  void bios_init(void) { | Line 212  void bios_init(void) { | 
 | for (i=0; i<8; i+=2) { | for (i=0; i<8; i+=2) { | 
 | STOREINTELWORD(mem + 0xfd800 + 0x1aaf + i, 0x1ab7); | STOREINTELWORD(mem + 0xfd800 + 0x1aaf + i, 0x1ab7); | 
 | STOREINTELWORD(mem + 0xfd800 + 0x1ad7 + i, 0x1adf); | STOREINTELWORD(mem + 0xfd800 + 0x1ad7 + i, 0x1adf); | 
| STOREINTELWORD(mem + 0xfd800 + 0x2361 + i, 0x1980);                     // ver0.31 | STOREINTELWORD(mem + 0xfd800 + 0x2361 + i, 0x1980); | 
 | } | } | 
 | 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)); | 
 |  |  | 
 | 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) && (!(pccore.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 214  if (fh != FILEH_INVALID) { | Line 231  if (fh != FILEH_INVALID) { | 
 |  |  | 
 | bios_reinitbyswitch(); | bios_reinitbyswitch(); | 
 | mem[MEMB_CRT_STS_FLAG] = 0x84; | 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 | //      mem[MEMB_F2DD_MODE] = 0xff;                                                                             // ver0.29 | 
| SETBIOSMEM16(MEMW_DISK_EQUIP, 0x0003);                                                  // ver0.29 | //      SETBIOSMEM16(MEMW_DISK_EQUIP, 0x0003);                                                  // ver0.29 | 
| SETBIOSMEM32(MEMD_F2DD_POINTER, 0xfd801ad7); |  | 
| SETBIOSMEM32(MEMD_F2HD_POINTER, 0xfd801aaf); |  | 
 | mem[0x005ae] |= 0x03;                                                                                   // ver0.31 | mem[0x005ae] |= 0x03;                                                                                   // ver0.31 | 
 |  |  | 
 | 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 (pccore.model & PCMODEL_EPSON) { | 
 |  | mem[ITF_ADRS + 0x7ff1] = 0x04; | 
 |  | } | 
 |  | else if ((pccore.model & PCMODELMASK) == PCMODEL_VM) { | 
 |  | mem[ITF_ADRS + 0x7ff1] = 0x08; | 
 |  | } | 
 |  |  | 
 |  | CopyMemory(mem + 0xfd800 + 0x2400, biosboot, sizeof(biosboot)); | 
 |  | #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")); | 
 |  | } | 
 |  | extmem_init(np2cfg.EXTMEM); | 
 |  | #endif | 
 |  |  | 
 |  | CopyMemory(mem + 0x1c0000, mem + ITF_ADRS, 0x08000); | 
 |  | CopyMemory(mem + 0x1e8000, mem + 0x0e8000, 0x10000); | 
 | } | } | 
 |  |  | 
 | static void bios_boot(void) { | static void bios_boot(void) { | 
| Line 244  static void bios_boot(void) { | Line 283  static void bios_boot(void) { | 
 | else { | else { | 
 | CPU_SP = GETBIOSMEM16(0x00404); | CPU_SP = GETBIOSMEM16(0x00404); | 
 | CPU_SS = GETBIOSMEM16(0x00406); | CPU_SS = GETBIOSMEM16(0x00406); | 
 |  | //              TRACEOUT(("CPU Reset... SS:SP = %.4x:%.4x", CPU_SS, CPU_SP)); | 
 | } | } | 
 | } | } | 
 |  |  | 
| Line 253  UINT MEMCALL biosfunc(UINT32 adrs) { | Line 293  UINT MEMCALL biosfunc(UINT32 adrs) { | 
 | UINT16  bootseg; | UINT16  bootseg; | 
 |  |  | 
 | if ((CPU_ITFBANK) && (adrs >= 0xf8000) && (adrs < 0x100000)) { | if ((CPU_ITFBANK) && (adrs >= 0xf8000) && (adrs < 0x100000)) { | 
 |  | #if 1                                   // for epson ITF | 
 |  | return(0); | 
 |  | #else | 
 | CPU_IP--; | CPU_IP--; | 
 | CPU_REMCLOCK = -1; | CPU_REMCLOCK = -1; | 
 | return(1); | return(1); | 
 |  | #endif | 
 | } | } | 
 |  |  | 
 | switch(adrs) {                                                                                                  // ver0.30 | switch(adrs) {                                                                                                  // ver0.30 | 
| Line 317  UINT MEMCALL biosfunc(UINT32 adrs) { | Line 361  UINT MEMCALL biosfunc(UINT32 adrs) { | 
 | return(1); | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_1b: | case BIOS_BASE + BIOSOFST_1b: | 
 |  | CPU_STI; | 
 | CPU_REMCLOCK -= 200; | CPU_REMCLOCK -= 200; | 
 | bios0x1b(); | bios0x1b(); | 
 | return(1); | return(1); | 
| Line 359  UINT MEMCALL biosfunc(UINT32 adrs) { | Line 404  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(); | 
|  | bios_screeninit(); | 
|  | #if 1                                                                                                                           // ver0.73 | 
|  | CPU_CS = 0xfd80;                        // SASI/SCSIリセット | 
|  | 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 368  UINT MEMCALL biosfunc(UINT32 adrs) { | Line 418  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 377  UINT MEMCALL biosfunc(UINT32 adrs) { | Line 428  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); |