| version 1.9, 2003/12/04 06:41:23 | version 1.68, 2004/06/18 07:42:13 | 
| Line 1 | Line 1 | 
 | #include        "compiler.h" | #include        "compiler.h" | 
 |  | #include        "strres.h" | 
 | #include        "dosio.h" | #include        "dosio.h" | 
| #include        "i286.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        "sound.h" | #include        "sxsibios.h" | 
| #include        "fmboard.h" |  | 
 | #include        "lio.h" | #include        "lio.h" | 
 |  | #include        "vram.h" | 
 | #include        "fddfile.h" | #include        "fddfile.h" | 
 | #include        "fdd_mtr.h" | #include        "fdd_mtr.h" | 
 | #include        "fdfmt.h" | #include        "fdfmt.h" | 
 | #include        "keytable.res" | #include        "keytable.res" | 
 | #include        "itfrom.res" | #include        "itfrom.res" | 
 |  | #include        "startup.res" | 
 |  | #include        "biosfd80.res" | 
 |  |  | 
 |  |  | 
| BOOL    biosrom = FALSE; | #define BIOS_SIMULATE | 
|  |  | 
| static const char file_biosrom[] = "bios.rom"; |  | 
 |  |  | 
 | static const char neccheck[] = "Copyright (C) 1983 by NEC Corporation"; | static const char neccheck[] = "Copyright (C) 1983 by NEC Corporation"; | 
 |  |  | 
| // 00/05/18 MS-DOS6.2 on PC-9801VX calling proc | typedef struct { | 
| static const BYTE printmain[] = {0x90, 0x5a, 0x1f, 0xcf}; | UINT8   port; | 
|  | UINT8   data; | 
| static const BYTE nosyscode[] = { | } IODATA; | 
| 0xeb,0x05,0xbe,0x6f,0x00,0xeb,0x03,0xbe,0x47,0x00,0xb8,0x00, |  | 
| 0x10,0xbb,0x00,0x80,0x8e,0xd0,0x8b,0xe3,0x8c,0xc8,0x8e,0xd8, | static const IODATA iodata[] = { | 
| 0xb8,0x00,0xa0,0x8e,0xc0,0xb9,0x00,0x10,0xb8,0x20,0x00,0x33, | // DMA | 
| 0xff,0xfc,0xf3,0xab,0xb0,0xe1,0xb9,0xe0,0x1f,0xaa,0x47,0xe2, | {0x29, 0x00}, {0x29, 0x01}, {0x29, 0x02}, {0x29, 0x03}, | 
| 0xfc,0x2e,0xad,0x8b,0xf8,0x2e,0xad,0x85,0xc0,0x74,0x0a,0xab, | {0x27, 0x00}, {0x21, 0x00}, {0x23, 0x00}, {0x25, 0x00}, | 
| 0x0a,0xe4,0x74,0xf5,0x83,0xc7,0x02,0xeb,0xf0,0xeb,0xfe,0xac, | {0x1b, 0x00}, {0x11, 0x40}, | 
| 0x07,0x05,0x37,0x05,0x39,0x05,0x46,0x05,0x60,0x05,0x47,0x05, |  | 
| 0x23,0x05,0x39,0x05,0x2f,0x04,0x72,0x05,0x3b,0x05,0x43,0x05, | // PIT | 
| 0x48,0x04,0x37,0x04,0x46,0x04,0x2f,0x04,0x40,0x04,0x35,0x04, | {0x77, 0x30}, {0x71, 0x00}, {0x71, 0x00}, | 
| 0x24,0x00,0x00,0xae,0x07,0x42,0x00,0x41,0x00,0x53,0x00,0x49, | {0x77, 0x76}, {0x73, 0xcd}, {0x73, 0x04}, | 
| 0x00,0x43,0x00,0x04,0x4e,0x15,0x2f,0x26,0x30,0x04,0x4b,0x04, | {0x77, 0xb6}, | 
| 0x4f,0x20,0x00,0x42,0x00,0x49,0x00,0x4f,0x00,0x53,0x00,0x2e, |  | 
| 0x00,0x52,0x00,0x4f,0x00,0x4d,0x00,0x04,0x2c,0x29,0x2c,0x2d, | // PIC | 
| 0x57,0x04,0x47,0x04,0x39,0x00,0x00}; | {0x00, 0x11}, {0x02, 0x08}, {0x02, 0x80}, {0x02, 0x1d}, | 
|  | {0x08, 0x11}, {0x0a, 0x10}, {0x0a, 0x07}, {0x0a, 0x09}, | 
|  | {0x02, 0x7d}, {0x0a, 0x71}}; | 
| void bios_getpath(char *path, const char *name, int maxlen) { |  | 
|  | static const UINT8 msw_default[8] = | 
| const char      *p; | {0x48, 0x05, 0x04, 0x00, 0x01, 0x00, 0x00, 0x6e}; | 
|  |  | 
| p = np2cfg.biospath; |  | 
| if (p[0]) { | static void bios_itfprepare(void) { | 
| file_cpyname(path, p, maxlen); |  | 
| file_setseparator(path, maxlen); | const IODATA    *p; | 
| file_catname(path, name, maxlen); | const IODATA    *pterm; | 
| } |  | 
| else { | crtc_biosreset(); | 
| file_cpyname(path, file_getcd(name), maxlen); | gdc_biosreset(); | 
|  |  | 
|  | p = iodata; | 
|  | pterm = iodata + (sizeof(iodata) / sizeof(IODATA)); | 
|  | while(p < pterm) { | 
|  | iocore_out8(p->port, p->data); | 
|  | p++; | 
 | } | } | 
 | } | } | 
 |  |  | 
 |  | static void bios_memclear(void) { | 
 |  |  | 
 |  | ZeroMemory(mem, 0xa0000); | 
 |  | ZeroMemory(mem + 0x100000, 0x10000); | 
 |  | if (CPU_EXTMEM) { | 
 |  | ZeroMemory(CPU_EXTMEM, CPU_EXTMEMSIZE); | 
 |  | } | 
 |  | bios0x18_16(0x20, 0xe1); | 
 |  | ZeroMemory(mem + VRAM0_B, 0x18000); | 
 |  | ZeroMemory(mem + VRAM0_E, 0x08000); | 
 |  | ZeroMemory(mem + VRAM1_B, 0x18000); | 
 |  | ZeroMemory(mem + VRAM1_E, 0x08000); | 
 |  | #if defined(SUPPORT_PC9821) | 
 |  | ZeroMemory(vramex, sizeof(vramex)); | 
 |  | #endif | 
 |  | } | 
 |  |  | 
 | static void bios_reinitbyswitch(void) { | static void bios_reinitbyswitch(void) { | 
 |  |  | 
 | BYTE    prxcrt; | BYTE    prxcrt; | 
 | BYTE    prxdupd; | BYTE    prxdupd; | 
 | BYTE    biosflag; | BYTE    biosflag; | 
| BYTE    ext_mem; | UINT8   boot; | 
|  |  | 
|  | if (!(np2cfg.dipsw[2] & 0x80)) { | 
|  | #if defined(CPUCORE_IA32) | 
|  | mem[MEMB_SYS_TYPE] = 0x03;              // 80386〜 | 
|  | #else | 
|  | mem[MEMB_SYS_TYPE] = 0x01;              // 80286 | 
|  | #endif | 
|  | } | 
|  | else { | 
|  | mem[MEMB_SYS_TYPE] = 0x00;              // V30 | 
|  | } | 
 |  |  | 
| CPUTYPE = 0; | mem[MEMB_BIOS_FLAG0] = 0x01; | 
| prxcrt = 0xc8; | prxcrt = 0x08; | 
| if (gdc.display & 2) { | if (!(np2cfg.dipsw[0] & 0x01)) {                        // dipsw1-1 on | 
|  | prxcrt |= 0x40; | 
|  | } | 
|  | if (gdc.display & (1 << GDCDISP_ANALOG)) { | 
 | prxcrt |= 0x04;                                                 // color16 | prxcrt |= 0x04;                                                 // color16 | 
 | } | } | 
 | if (!(np2cfg.dipsw[0] & 0x80)) {                        // dipsw1-8 on | if (!(np2cfg.dipsw[0] & 0x80)) {                        // dipsw1-8 on | 
| Line 87  static void bios_reinitbyswitch(void) { | Line 124  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; | 
| if (!(np2cfg.dipsw[2] & 0x80)) { | if (np2cfg.dipsw[2] & 0x80) { | 
| ext_mem = np2cfg.EXTMEM;                                                                        // ver0.28 |  | 
| } |  | 
| else { |  | 
| CPUTYPE = CPUTYPE_V30; |  | 
| ext_mem = 0; |  | 
 | biosflag |= 0x40; | biosflag |= 0x40; | 
 | } | } | 
| if (extmem_init(ext_mem)) {                                                                             // ver0.28 | mem[MEMB_BIOS_FLAG1] = biosflag; | 
| ext_mem = 0;                                                    // メモリ確保に失敗 | mem[MEMB_EXPMMSZ] = (BYTE)(pccore.extmem << 3); | 
| } |  | 
| mem[MEMB_BIOS_FLAG] = biosflag; |  | 
| mem[MEMB_EXPMMSZ] = (BYTE)(ext_mem << 3); |  | 
 | mem[MEMB_CRT_RASTER] = 0x0f; | mem[MEMB_CRT_RASTER] = 0x0f; | 
 |  |  | 
| gdc.display &= ~4; | // FDD initialize | 
| if (!(np2cfg.dipsw[0] & 0x04)) {                        // dipsw1-3 on | SETBIOSMEM32(MEMD_F2DD_POINTER, 0xfd801ad7); | 
| gdc.display |= 4; | SETBIOSMEM32(MEMD_F2HD_POINTER, 0xfd801aaf); | 
| } | boot = mem[MEMB_MSW5] & 0xf0; | 
| gdcs.textdisp |= GDCSCRN_EXT; | if (boot != 0x20) {             // 1MB | 
|  | fddbios_equip(3, TRUE); | 
| if ((pc.model >= PCMODEL_VX) && (usesound & 0x7e)) { | mem[MEMB_BIOS_FLAG0] |= 0x02; | 
| iocore_out8(0x188, 0x27); | } | 
| iocore_out8(0x18a, 0x3f); | else {                                  // 640KB | 
|  | fddbios_equip(0, TRUE); | 
|  | mem[MEMB_BIOS_FLAG0] &= ~0x02; | 
|  | } | 
|  | mem[MEMB_F2HD_MODE] = 0xff; | 
|  | mem[MEMB_F2DD_MODE] = 0xff; | 
|  |  | 
|  | #if defined(SUPPORT_CRT31KHZ) | 
|  | mem[MEMB_CRT_BIOS] = 0x80; | 
|  | #endif | 
|  | #if defined(SUPPORT_PC9821) | 
|  | mem[0x45c] = 0x40; | 
|  | #endif | 
|  |  | 
|  | // FDC | 
|  | if (fdc.support144) { | 
|  | mem[MEMB_F144_SUP] |= fdc.equip; | 
|  | } | 
|  |  | 
|  | // IDE initialize | 
|  | if (pccore.hddif & PCHDD_IDE) { | 
|  | mem[MEMB_SYS_TYPE] |= 0x80;             // IDE | 
|  | CPU_AX = 0x8300; | 
|  | sasibios_operate(); | 
 | } | } | 
 | } | } | 
 |  |  | 
| static void bios_vectorset(void) {                                                                      // ver0.30 | static void bios_vectorset(void) { | 
 |  |  | 
 | UINT    i; | UINT    i; | 
 |  |  | 
 | for (i=0; i<0x400; i+=4) { |  | 
 | SETBIOSMEM16(i+0, BIOSOFST_IRET); |  | 
 | SETBIOSMEM16(i+2, BIOS_SEG); |  | 
 | } |  | 
 | for (i=0; i<0x20; i++) { | for (i=0; i<0x20; i++) { | 
| *(UINT16 *)(mem + (i*4)) = *(UINT16 *)(mem + 0xfd868 + (i*2)); | *(UINT16 *)(mem + (i*4)) = *(UINT16 *)(mem + BIOS_BASE + BIOS_TABLE + (i*2)); | 
|  | SETBIOSMEM16((i * 4) + 2, BIOS_SEG); | 
 | } | } | 
 | SETBIOSMEM32(0x1e*4, 0xe8000000); | SETBIOSMEM32(0x1e*4, 0xe8000000); | 
 | } | } | 
 |  |  | 
 |  | static void bios_screeninit(void) { | 
 |  |  | 
| // CDSで見てる為、変更…(涙 | REG8    al; | 
| static const UINT16 biosoffset[0x20] = { |  | 
| BIOSOFST_IRET,  BIOSOFST_IRET,  BIOSOFST_02,    BIOSOFST_IRET, |  | 
| BIOSOFST_IRET,  BIOSOFST_IRET,  BIOSOFST_IRET,  BIOSOFST_IRET, |  | 
|  |  | 
| BIOSOFST_08,    BIOSOFST_09,    BIOSOFST_EOIM,  BIOSOFST_EOIM, |  | 
| BIOSOFST_0c,    BIOSOFST_EOIM,  BIOSOFST_EOIM,  BIOSOFST_EOIM, |  | 
 |  |  | 
| BIOSOFST_EOIS,  BIOSOFST_EOIS,  BIOSOFST_12,    BIOSOFST_13, | al = 4; | 
| BIOSOFST_EOIS,  BIOSOFST_EOIS,  BIOSOFST_EOIS,  BIOSOFST_EOIS, | al += (np2cfg.dipsw[1] & 0x04) >> 1; | 
|  | al += (np2cfg.dipsw[1] & 0x08) >> 3; | 
| BIOSOFST_18,    BIOSOFST_19,    BIOSOFST_1a,    BIOSOFST_1b, | bios0x18_0a(al); | 
| BIOSOFST_1c,    BIOSOFST_IRET,  BIOSOFST_1e,    BIOSOFST_IRET}; | } | 
 |  |  | 
 |  |  | 
| void bios_init(void) { | void bios_initialize(void) { | 
 |  |  | 
 |  | BOOL    biosrom; | 
 | char    path[MAX_PATH]; | char    path[MAX_PATH]; | 
 | FILEH   fh; | FILEH   fh; | 
 | UINT    i; | UINT    i; | 
 |  | UINT32  tmp; | 
 | UINT    pos; | UINT    pos; | 
 |  |  | 
 | biosrom = FALSE; | biosrom = FALSE; | 
|  | getbiospath(path, str_biosrom, sizeof(path)); | 
| // まぁDISK BASIC動くようになるからいいんじゃないですか? |  | 
| // BASIC BIOSは 8086コードのように見えるけど… |  | 
| bios_getpath(path, file_biosrom, sizeof(path)); |  | 
 | 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) { | biosrom = (file_read(fh, mem + 0x0e8000, 0x18000) == 0x18000); | 
| biosrom = TRUE; |  | 
| } |  | 
 | file_close(fh); | file_close(fh); | 
 | } | } | 
| if (!biosrom) { | 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)); | 
|  | STOREINTELDWORD(mem + 0xf0000 + i, 0x32504e24); | 
|  | } | 
|  | } | 
|  | } | 
|  | else { | 
 | CopyMemory(mem + 0x0e8000, nosyscode, sizeof(nosyscode)); | CopyMemory(mem + 0x0e8000, nosyscode, sizeof(nosyscode)); | 
 | } | } | 
 |  |  | 
| // BIOS hookのアドレス変更 | #if defined(SUPPORT_PC9821) | 
| for (i=0; i<0x20; i++) { | getbiospath(path, "bios9821.rom", sizeof(path)); | 
| STOREINTELWORD(mem + 0xfd868 + i*2, biosoffset[i]); | fh = file_open_rb(path); | 
| } | if (fh != FILEH_INVALID) { | 
| SETBIOSMEM16(BIOS_BASE + BIOSOFST_IRET, 0x50cf); | if (file_read(fh, mem + 0x0d8000, 0x2000) == 0x2000) { | 
| SETBIOSMEM16(BIOS_BASE + BIOSOFST_WAIT, 0xcf90); | // IDE BIOSを潰す | 
| for (i=(BIOS_BASE+BIOSOFST_EOIM); i<=(BIOS_BASE+BIOSOFST_1c); i+=2) { | TRACEOUT(("load bios9821.rom")); | 
| SETBIOSMEM16(i, 0xcf90); | STOREINTELWORD(mem + 0x0d8009, 0); | 
|  | } | 
|  | file_close(fh); | 
 | } | } | 
| CopyMemory(mem + BIOS_BASE + BIOSOFST_PRT, printmain, sizeof(printmain)); | #endif | 
 |  |  | 
| bios_vectorset();                                                                                               // ver0.29 | #if defined(BIOS_SIMULATE) | 
|  | CopyMemory(mem + BIOS_BASE, biosfd80, sizeof(biosfd80)); | 
 | if (!biosrom) { | if (!biosrom) { | 
| lio_init(); | lio_initialize(); | 
 | } | } | 
 |  |  | 
 | SETBIOSMEM16(0xfd800, 0xcb90); |  | 
 | SETBIOSMEM16(0xfd802, 0xcb90); |  | 
 | 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 + 0xe8dd8, neccheck, 0x25); | 
|  | pos = LOADINTELWORD(itfrom + 2); | 
|  | CopyMemory(mem + 0xf538e, itfrom + pos, 0x27); | 
|  | } | 
|  |  | 
|  | CopyMemory(mem + 0x0fd800 + 0x0e00, keytable[0], 0x300); | 
|  |  | 
 | CopyMemory(mem + ITF_ADRS, itfrom, sizeof(itfrom)); | CopyMemory(mem + ITF_ADRS, itfrom, sizeof(itfrom)); | 
 | mem[ITF_ADRS + 0x7ff0] = 0xea; | mem[ITF_ADRS + 0x7ff0] = 0xea; | 
 | STOREINTELDWORD(mem + ITF_ADRS + 0x7ff1, 0xf8000000); | STOREINTELDWORD(mem + ITF_ADRS + 0x7ff1, 0xf8000000); | 
| #if 0 | if (pccore.model & PCMODEL_EPSON) { | 
| fh = file_create("itf.rom"); | mem[ITF_ADRS + 0x7ff1] = 0x04; | 
| if (fh != FILEH_INVALID) { | } | 
| file_write(fh, itfrom, sizeof(itfrom)); | else if ((pccore.model & PCMODELMASK) == PCMODEL_VM) { | 
| file_close(fh); | mem[ITF_ADRS + 0x7ff1] = 0x08; | 
| } | } | 
| #endif |  | 
 | #else | #else | 
 | fh = file_open_c("itf.rom"); | fh = file_open_c("itf.rom"); | 
 | if (fh != FILEH_INVALID) { | if (fh != FILEH_INVALID) { | 
| file_read(fh, &mem[ITF_ADRS], 0x8000); | file_read(fh, mem + ITF_ADRS, 0x8000); | 
 | file_close(fh); | file_close(fh); | 
 |  | TRACEOUT(("load itf.rom")); | 
 | } | } | 
 | #endif | #endif | 
 | if (!biosrom) { |  | 
 | CopyMemory(mem + 0xe8dd8, neccheck, 0x25); |  | 
 | pos = LOADINTELWORD(itfrom + 2); |  | 
 | CopyMemory(mem + 0xf538e, itfrom + pos, 0x27); |  | 
 | } |  | 
 |  |  | 
| bios_reinitbyswitch(); | CopyMemory(mem + 0x1c0000, mem + ITF_ADRS, 0x08000); | 
| mem[MEMB_CRT_STS_FLAG] = 0x84; | CopyMemory(mem + 0x1e8000, mem + 0x0e8000, 0x10000); | 
| mem[MEMB_BIOS_FLAG0] = 0x03;                                            // 00/05/17 beep tone |  | 
| mem[MEMB_F2DD_MODE] = 0xff;                                                                             // ver0.29 |  | 
| SETBIOSMEM16(MEMW_DISK_EQUIP, 0x0003);                                                  // ver0.29 |  | 
| SETBIOSMEM32(MEMD_F2DD_POINTER, 0xfd801ad7); |  | 
| SETBIOSMEM32(MEMD_F2HD_POINTER, 0xfd801aaf); |  | 
| mem[0x005ae] |= 0x03;                                                                                   // ver0.31 |  | 
|  |  | 
| CopyMemory(mem + 0x0fde00, keytable[0], 0x300); |  | 
| bios0x09_init(); |  | 
 | } | } | 
 |  |  | 
 | static void bios_boot(void) { |  | 
 |  |  | 
| if (sysport.c & 0x80) { | static void bios_itfcall(void) { | 
| if (!(sysport.c & 0x20)) { |  | 
| bios_reinitbyswitch(); | int             i; | 
|  |  | 
|  | bios_itfprepare(); | 
|  | bios_memclear(); | 
|  | bios_vectorset(); | 
|  | bios0x09_init(); | 
|  | bios_reinitbyswitch(); | 
|  | bios0x18_0c(); | 
|  |  | 
|  | if (!np2cfg.ITF_WORK) { | 
|  | for (i=0; i<8; i++) { | 
|  | mem[MEMX_MSW + (i*4)] = msw_default[i]; | 
 | } | } | 
| I286_CS = 0x0000; | CPU_FLAGL |= C_FLAG; | 
| I286_IP = 0x04f8; | } | 
| I286_DS = 0x0000; | else { | 
| I286_DX = 0x43d; | CPU_DX = 0x43d; | 
| I286_AL = 0x10; | CPU_AL = 0x10; | 
 | mem[0x004f8] = 0xee;            // out  dx, al | mem[0x004f8] = 0xee;            // out  dx, al | 
 | mem[0x004f9] = 0xea;            // call far | mem[0x004f9] = 0xea;            // call far | 
 | SETBIOSMEM16(0x004fa, 0x0000); | SETBIOSMEM16(0x004fa, 0x0000); | 
 | SETBIOSMEM16(0x004fc, 0xffff); | SETBIOSMEM16(0x004fc, 0xffff); | 
| } | CPU_FLAGL &= ~C_FLAG; | 
| else { |  | 
| I286_SP = GETBIOSMEM16(0x00404); |  | 
| I286_SS = GETBIOSMEM16(0x00406); |  | 
 | } | } | 
 | } | } | 
 |  |  | 
| Line 267  UINT MEMCALL biosfunc(UINT32 adrs) { | Line 321  UINT MEMCALL biosfunc(UINT32 adrs) { | 
 |  |  | 
 | UINT16  bootseg; | UINT16  bootseg; | 
 |  |  | 
| if ((i286core.s.itfbank) && (adrs >= 0xf8000) && (adrs < 0x100000)) { | if ((CPU_ITFBANK) && (adrs >= 0xf8000) && (adrs < 0x100000)) { | 
| I286_IP--; | // for epson ITF | 
| I286_REMCLOCK = -1; | return(0); | 
| return(1); |  | 
 | } | } | 
 |  |  | 
| switch(adrs) {                                                                                                  // ver0.30 | //      TRACEOUT(("biosfunc(%x)", adrs)); | 
| case BIOS_BASE + BIOSOFST_EOIM: | #if defined(CPUCORE_IA32) && defined(TRACE) | 
| I286_REMCLOCK -= 300; | if (CPU_STAT_PAGING) { | 
| iocore_out8(0x00, 0x20); | UINT32 pde = i286_memoryread_d(CPU_STAT_PDE_BASE); | 
| return(0); | if (!(pde & CPU_PDE_PRESENT)) { | 
|  | TRACEOUT(("page0: PTE not present")); | 
| case BIOS_BASE + BIOSOFST_EOIS: | } | 
| iocore_out8(0x08, 0x20); | else { | 
| if (!pic.pi[1].isr) { | UINT32 pte = i286_memoryread_d(pde & CPU_PDE_BASEADDR_MASK); | 
| iocore_out8(0x00, 0x20); | if (!(pte & CPU_PTE_PRESENT)) { | 
|  | TRACEOUT(("page0: not present")); | 
 | } | } | 
| return(0); | else if (pte & CPU_PTE_BASEADDR_MASK) { | 
|  | TRACEOUT(("page0: physical address != 0 (pte = %.8x)", pte)); | 
|  | } | 
|  | } | 
|  | } | 
|  | #endif | 
 |  |  | 
| case BIOS_BASE + BIOSOFST_02: | switch(adrs) { | 
| I286_REMCLOCK -= 300; | case BIOS_BASE + BIOSOFST_ITF:          // リセット | 
| bios0x02(); | bios_itfcall(); | 
 | return(1); | return(1); | 
 |  |  | 
| case BIOS_BASE + BIOSOFST_08: | case BIOS_BASE + BIOSOFST_INIT:         // ブート | 
| I286_REMCLOCK -= 300; | #if 1           // for RanceII | 
| bios0x08(); | bios_memclear(); | 
|  | #endif | 
|  | bios_vectorset(); | 
|  | #if 1 | 
|  | bios0x09_init(); | 
|  | #endif | 
|  | bios_reinitbyswitch(); | 
|  | bios_vectorset(); | 
|  | bios_screeninit(); | 
|  | if (((pccore.model & PCMODELMASK) >= PCMODEL_VX) && | 
|  | (pccore.sound & 0x7e)) { | 
|  | iocore_out8(0x188, 0x27); | 
|  | iocore_out8(0x18a, 0x3f); | 
|  | } | 
 | return(1); | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_09: | case BIOS_BASE + BIOSOFST_09: | 
| I286_REMCLOCK -= 300; | CPU_REMCLOCK -= 500; | 
 | bios0x09(); | bios0x09(); | 
 | return(1); | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_0c: | case BIOS_BASE + BIOSOFST_0c: | 
| I286_REMCLOCK -= 500; | CPU_REMCLOCK -= 500; | 
 | bios0x0c(); | bios0x0c(); | 
 | return(1); | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_12: | case BIOS_BASE + BIOSOFST_12: | 
| I286_REMCLOCK -= 500; | CPU_REMCLOCK -= 500; | 
 | bios0x12(); | bios0x12(); | 
 | return(1); | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_13: | case BIOS_BASE + BIOSOFST_13: | 
| I286_REMCLOCK -= 500; | CPU_REMCLOCK -= 500; | 
 | bios0x13(); | bios0x13(); | 
 | return(1); | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_18: | case BIOS_BASE + BIOSOFST_18: | 
| I286_REMCLOCK -= 200; | CPU_REMCLOCK -= 200; | 
 | bios0x18(); | bios0x18(); | 
 | return(1); | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_19: | case BIOS_BASE + BIOSOFST_19: | 
| I286_REMCLOCK -= 200; | CPU_REMCLOCK -= 200; | 
 | bios0x19(); | bios0x19(); | 
 | return(1); | return(1); | 
 |  |  | 
| case BIOS_BASE + BIOSOFST_1a: | case BIOS_BASE + BIOSOFST_CMT: | 
| I286_REMCLOCK -= 200; | CPU_REMCLOCK -= 200; | 
| bios0x1a(); | bios0x1a_cmt(); | 
|  | return(0);                                                                                      // return(1); | 
|  |  | 
|  | case BIOS_BASE + BIOSOFST_PRT: | 
|  | CPU_REMCLOCK -= 200; | 
|  | bios0x1a_prt(); | 
 | return(1); | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_1b: | case BIOS_BASE + BIOSOFST_1b: | 
| I286_REMCLOCK -= 200; | CPU_STI; | 
|  | CPU_REMCLOCK -= 200; | 
 | bios0x1b(); | bios0x1b(); | 
 | return(1); | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_1c: | case BIOS_BASE + BIOSOFST_1c: | 
| I286_REMCLOCK -= 200; | CPU_REMCLOCK -= 200; | 
 | bios0x1c(); | bios0x1c(); | 
 | return(1); | return(1); | 
 |  |  | 
 |  | case BIOS_BASE + BIOSOFST_1f: | 
 |  | CPU_REMCLOCK -= 200; | 
 |  | bios0x1f(); | 
 |  | return(1); | 
 |  |  | 
 | case BIOS_BASE + BIOSOFST_WAIT: | case BIOS_BASE + BIOSOFST_WAIT: | 
| I286_STI; | CPU_STI; | 
| if (fddmtr_biosbusy) {                                          // ver0.26 | #if 1 | 
| I286_IP--; | return(bios0x1b_wait());                                                                // ver0.78 | 
| I286_REMCLOCK = -1; | #else | 
|  | if (fddmtr.busy) { | 
|  | CPU_IP--; | 
|  | CPU_REMCLOCK = -1; | 
 | } | } | 
 | else { | else { | 
| switch(CTRL_FDMEDIA) { | if (fdc.chgreg & 1) { | 
| case DISKTYPE_2HD: | if (!(mem[MEMB_DISK_INTL] & (0x01 << fdc.us))) { | 
| if (pic.pi[1].isr & PIC_INT42) { | CPU_IP--; | 
| I286_IP--; | CPU_REMCLOCK -= 1000; | 
| I286_REMCLOCK -= 1000; | } | 
| } | } | 
| break; | else { | 
| case DISKTYPE_2DD: | if (!(mem[MEMB_DISK_INTH] & (0x10 << fdc.us))) { | 
| if (pic.pi[1].isr & PIC_INT41) { | CPU_IP--; | 
| I286_IP--; | CPU_REMCLOCK -= 1000; | 
| I286_REMCLOCK -= 1000; | } | 
| } |  | 
| break; |  | 
 | } | } | 
 | } | } | 
 | return(1); | return(1); | 
|  | #endif | 
| case BIOS_BASE + BIOSOFST_PRT: |  | 
| bios0x1a_main(); |  | 
| return(0); |  | 
|  |  | 
| case 0xfd800:                                   // リセット |  | 
| bios_boot(); |  | 
| return(1); |  | 
|  |  | 
| case 0xfd802:                                   // ブート |  | 
| bios_reinitbyswitch();                                                                  // ver0.27 |  | 
| bios_vectorset();                                                                               // ver0.29 |  | 
| bootseg = bootstrapload(); |  | 
| I286_STI; |  | 
| I286_CS = (bootseg != 0)?bootseg:0xe800; |  | 
| I286_DS = 0x0000; |  | 
| I286_SS = 0x0030; |  | 
| I286_SP = 0x00e6; |  | 
| I286_IP = 0x0000; |  | 
| 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 | 
| I286_REMCLOCK -= 2000; | CPU_REMCLOCK -= 2000; | 
 | bootseg = bootstrapload(); | bootseg = bootstrapload(); | 
 | if (bootseg) { | if (bootseg) { | 
| I286_STI; | CPU_STI; | 
| I286_CS = bootseg; | CPU_CS = bootseg; | 
| I286_IP = 0x0000; | CPU_IP = 0x0000; | 
| I286_SS = 0x0030; |  | 
| I286_SP = 0x00e6; |  | 
 | return(1); | return(1); | 
 | } | } | 
 | return(0); | return(0); | 
 |  |  | 
 | case 0xfffec: | case 0xfffec: | 
| I286_REMCLOCK -= 2000; | CPU_REMCLOCK -= 2000; | 
 | bootstrapload(); | bootstrapload(); | 
 | return(0); | return(0); | 
 | } | } | 
 |  |  | 
| if ((adrs >= 0xf9a00) && (adrs < 0x0f9a24)) { | if ((adrs >= 0xf9950) && (adrs <= 0x0f9990) && (!(adrs & 3))) { | 
| if (!(adrs & 1)) { | CPU_REMCLOCK -= 500; | 
| bios_lio((BYTE)((adrs - 0xf9a00) >> 1)); | bios_lio((REG8)((adrs - 0xf9950) >> 2)); | 
|  | } | 
|  | else if (adrs == 0xf9994) { | 
|  | if (nevent_iswork(NEVENT_GDCSLAVE)) { | 
|  | CPU_IP--; | 
|  | CPU_REMCLOCK = -1; | 
|  | return(1); | 
 | } | } | 
 | return(0); |  | 
 | } |  | 
 |  |  | 
 | if (biosrom) { |  | 
 | return(0); |  | 
 | } | } | 
| I286_IP--; | return(0); | 
| I286_REMCLOCK = -1; |  | 
| return(1); |  | 
 | } | } | 
 |  |  |