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| version 1.29, 2004/01/23 06:03:40 | version 1.40, 2004/02/18 21:58:41 |
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| Line 1 | Line 1 |
| #include "compiler.h" | #include "compiler.h" |
| #include "strres.h" | |
| #include "dosio.h" | #include "dosio.h" |
| #include "cpucore.h" | #include "cpucore.h" |
| #include "pccore.h" | #include "pccore.h" |
| Line 6 | Line 7 |
| #include "bios.h" | #include "bios.h" |
| #include "biosmem.h" | #include "biosmem.h" |
| #include "sxsibios.h" | #include "sxsibios.h" |
| #include "sound.h" | |
| #include "fmboard.h" | |
| #include "lio.h" | #include "lio.h" |
| #include "fddfile.h" | #include "fddfile.h" |
| #include "fdd_mtr.h" | #include "fdd_mtr.h" |
| Line 22 | Line 21 |
| BOOL biosrom = FALSE; | BOOL biosrom = FALSE; |
| 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 | // 00/05/18 MS-DOS6.2 on PC-9801VX calling proc |
| Line 35 static void bios_reinitbyswitch(void) { | Line 32 static void bios_reinitbyswitch(void) { |
| BYTE prxcrt; | BYTE prxcrt; |
| BYTE prxdupd; | BYTE prxdupd; |
| BYTE biosflag; | BYTE biosflag; |
| BYTE ext_mem; | |
| UINT8 boot; | UINT8 boot; |
| #if defined(CPUCORE_IA32) | #if defined(CPUCORE_IA32) |
| Line 50 static void bios_reinitbyswitch(void) { | Line 46 static void bios_reinitbyswitch(void) { |
| SETBIOSMEM16(0x00486, CPU_DX); | SETBIOSMEM16(0x00486, CPU_DX); |
| #endif | #endif |
| 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 | |
| } | |
| mem[MEMB_BIOS_FLAG0] = 0x01; | mem[MEMB_BIOS_FLAG0] = 0x01; |
| CPU_TYPE = 0; | prxcrt = 0x08; |
| prxcrt = 0x48; // ver0.74 | if (!(np2cfg.dipsw[0] & 0x01)) { // dipsw1-1 on |
| prxcrt |= 0x40; | |
| } | |
| if (gdc.display & 2) { | if (gdc.display & 2) { |
| prxcrt |= 0x04; // color16 | prxcrt |= 0x04; // color16 |
| } | } |
| Line 78 static void bios_reinitbyswitch(void) { | Line 87 static void bios_reinitbyswitch(void) { |
| 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 { | |
| CPU_TYPE = CPUTYPE_V30; | |
| ext_mem = 0; | |
| biosflag |= 0x40; | biosflag |= 0x40; |
| } | } |
| if (extmem_init(ext_mem)) { // ver0.28 | |
| ext_mem = 0; // メモリ確保に失敗 | |
| } | |
| mem[MEMB_BIOS_FLAG1] = biosflag; | mem[MEMB_BIOS_FLAG1] = biosflag; |
| mem[MEMB_EXPMMSZ] = (BYTE)(ext_mem << 3); | mem[MEMB_EXPMMSZ] = (BYTE)(pccore.extmem << 3); |
| mem[MEMB_CRT_RASTER] = 0x0f; | mem[MEMB_CRT_RASTER] = 0x0f; |
| gdc.display &= ~4; | gdc.display &= ~4; |
| Line 99 static void bios_reinitbyswitch(void) { | Line 100 static void bios_reinitbyswitch(void) { |
| } | } |
| gdcs.textdisp |= GDCSCRN_EXT; | gdcs.textdisp |= GDCSCRN_EXT; |
| if (((pccore.model & PCMODELMASK) >= PCMODEL_VX) && (usesound & 0x7e)) { | |
| iocore_out8(0x188, 0x27); | |
| iocore_out8(0x18a, 0x3f); | |
| } | |
| // FDD initialize | // FDD initialize |
| SETBIOSMEM32(MEMD_F2DD_POINTER, 0xfd801ad7); | SETBIOSMEM32(MEMD_F2DD_POINTER, 0xfd801ad7); |
| SETBIOSMEM32(MEMD_F2HD_POINTER, 0xfd801aaf); | SETBIOSMEM32(MEMD_F2HD_POINTER, 0xfd801aaf); |
| boot = mem[MEMB_MSW5] & 0xf0; | boot = mem[MEMB_MSW5] & 0xf0; |
| if (boot != 0x20) { // 1MB | if (boot != 0x20) { // 1MB |
| fddbios_equip(DISKTYPE_2HD, TRUE); | fddbios_equip(3, TRUE); |
| mem[MEMB_BIOS_FLAG0] |= 0x02; | mem[MEMB_BIOS_FLAG0] |= 0x02; |
| } | } |
| else { // 640KB | else { // 640KB |
| fddbios_equip(DISKTYPE_2DD, TRUE); | fddbios_equip(0, TRUE); |
| mem[MEMB_BIOS_FLAG0] &= ~0x02; | mem[MEMB_BIOS_FLAG0] &= ~0x02; |
| } | } |
| mem[MEMB_F2DD_MODE] = 0xff; | mem[MEMB_F2DD_MODE] = 0xff; |
| // IDE initialize | // IDE initialize |
| if (pccore.hddif & PCHDD_IDE) { | if (pccore.hddif & PCHDD_IDE) { |
| mem[MEMB_SYS_TYPE] |= 0x80; // IDE | |
| CPU_AX = 0x8300; | CPU_AX = 0x8300; |
| sasibios_operate(); | sasibios_operate(); |
| } | } |
| Line 141 static void bios_vectorset(void) { | Line 138 static void bios_vectorset(void) { |
| static void bios_screeninit(void) { | static void bios_screeninit(void) { |
| UINT ax; | REG8 al; |
| ax = 0x0a04; | al = 4; |
| ax += (np2cfg.dipsw[1] & 0x04) >> 1; | al += (np2cfg.dipsw[1] & 0x04) >> 1; |
| ax += (np2cfg.dipsw[1] & 0x08) >> 3; | al += (np2cfg.dipsw[1] & 0x08) >> 3; |
| CPU_AX = ax; | bios0x18_0a(al); |
| bios0x18(); | |
| } | } |
| Line 163 static const UINT16 biosoffset[0x20] = { | Line 159 static const UINT16 biosoffset[0x20] = { |
| BIOSOFST_EOIS, BIOSOFST_EOIS, BIOSOFST_EOIS, BIOSOFST_EOIS, | BIOSOFST_EOIS, BIOSOFST_EOIS, BIOSOFST_EOIS, BIOSOFST_EOIS, |
| BIOSOFST_18, BIOSOFST_19, BIOSOFST_1a, BIOSOFST_1b, | BIOSOFST_18, BIOSOFST_19, BIOSOFST_1a, BIOSOFST_1b, |
| BIOSOFST_1c, BIOSOFST_IRET, BIOSOFST_1e, BIOSOFST_IRET}; | BIOSOFST_1c, BIOSOFST_IRET, BIOSOFST_1e, BIOSOFST_1f}; |
| void bios_init(void) { | void bios_initialize(void) { |
| char path[MAX_PATH]; | char path[MAX_PATH]; |
| FILEH fh; | FILEH fh; |
| Line 177 void bios_init(void) { | Line 173 void bios_init(void) { |
| // まぁDISK BASIC動くようになるからいいんじゃないですか? | // 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… | // BASIC BIOSは 8086コードのように見えるけど… |
| getbiospath(path, file_biosrom, sizeof(path)); | getbiospath(path, str_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) { | if (file_read(fh, mem + 0x0e8000, 0x18000) == 0x18000) { |
| Line 197 void bios_init(void) { | Line 193 void bios_init(void) { |
| } | } |
| SETBIOSMEM16(BIOS_BASE + BIOSOFST_IRET, 0x50cf); | SETBIOSMEM16(BIOS_BASE + BIOSOFST_IRET, 0x50cf); |
| SETBIOSMEM16(BIOS_BASE + BIOSOFST_WAIT, 0xcf90); | SETBIOSMEM16(BIOS_BASE + BIOSOFST_WAIT, 0xcf90); |
| for (i=(BIOS_BASE+BIOSOFST_EOIM); i<=(BIOS_BASE+BIOSOFST_1c); i+=2) { | for (i=(BIOS_BASE+BIOSOFST_EOIM); i<=(BIOS_BASE+BIOSOFST_1f); i+=2) { |
| SETBIOSMEM16(i, 0xcf90); | SETBIOSMEM16(i, 0xcf90); |
| } | } |
| CopyMemory(mem + BIOS_BASE + BIOSOFST_PRT, printmain, sizeof(printmain)); | CopyMemory(mem + BIOS_BASE + BIOSOFST_PRT, printmain, sizeof(printmain)); |
| Line 230 void bios_init(void) { | Line 226 void bios_init(void) { |
| } | } |
| bios_reinitbyswitch(); | bios_reinitbyswitch(); |
| mem[MEMB_CRT_STS_FLAG] = 0x84; | // mem[MEMB_CRT_STS_FLAG] = 0x84; // -> bios_screeninit() |
| // mem[MEMB_BIOS_FLAG0] = 0x03; | // 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 |
| Line 257 void bios_init(void) { | Line 253 void bios_init(void) { |
| file_close(fh); | file_close(fh); |
| TRACEOUT(("load itf.rom")); | TRACEOUT(("load itf.rom")); |
| } | } |
| extmem_init(np2cfg.EXTMEM); | |
| #endif | #endif |
| CopyMemory(mem + 0x1c0000, mem + ITF_ADRS, 0x08000); | CopyMemory(mem + 0x1c0000, mem + ITF_ADRS, 0x08000); |
| Line 371 UINT MEMCALL biosfunc(UINT32 adrs) { | Line 366 UINT MEMCALL biosfunc(UINT32 adrs) { |
| bios0x1c(); | bios0x1c(); |
| return(1); | return(1); |
| case BIOS_BASE + BIOSOFST_1f: | |
| CPU_REMCLOCK -= 200; | |
| return(1); | |
| case BIOS_BASE + BIOSOFST_WAIT: | case BIOS_BASE + BIOSOFST_WAIT: |
| CPU_STI; | CPU_STI; |
| if (fddmtr_biosbusy) { // ver0.26 | if (fddmtr.busy) { |
| CPU_IP--; | CPU_IP--; |
| CPU_REMCLOCK = -1; | CPU_REMCLOCK = -1; |
| } | } |
| else { | else { |
| switch(CTRL_FDMEDIA) { | if (fdc.chgreg & 1) { |
| case DISKTYPE_2HD: | if (!(mem[0x0055e] & (0x01 << fdc.us))) { |
| if (pic.pi[1].isr & PIC_INT42) { | CPU_IP--; |
| CPU_IP--; | CPU_REMCLOCK -= 1000; |
| CPU_REMCLOCK -= 1000; | } |
| } | } |
| break; | else { |
| case DISKTYPE_2DD: | if (!(mem[0x0055f] & (0x10 << fdc.us))) { |
| if (pic.pi[1].isr & PIC_INT41) { | CPU_IP--; |
| CPU_IP--; | CPU_REMCLOCK -= 1000; |
| CPU_REMCLOCK -= 1000; | } |
| } | |
| break; | |
| } | } |
| } | } |
| return(1); | return(1); |
| Line 407 UINT MEMCALL biosfunc(UINT32 adrs) { | Line 404 UINT MEMCALL biosfunc(UINT32 adrs) { |
| bios_reinitbyswitch(); | bios_reinitbyswitch(); |
| bios_vectorset(); | bios_vectorset(); |
| bios_screeninit(); | bios_screeninit(); |
| if (((pccore.model & PCMODELMASK) >= PCMODEL_VX) && | |
| (pccore.sound & 0x7e)) { | |
| iocore_out8(0x188, 0x27); | |
| iocore_out8(0x18a, 0x3f); | |
| } | |
| #if 1 // ver0.73 | #if 1 // ver0.73 |
| CPU_CS = 0xfd80; // SASI/SCSIリセット | CPU_CS = 0xfd80; // SASI/SCSIリセット |
| CPU_IP = 0x2400; | CPU_IP = 0x2400; |