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| version 1.35, 2004/01/29 10:04:05 | version 1.46, 2004/02/26 08:46:55 |
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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 20 | 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 59 static void bios_reinitbyswitch(void) { | Line 58 static void bios_reinitbyswitch(void) { |
| } | } |
| mem[MEMB_BIOS_FLAG0] = 0x01; | mem[MEMB_BIOS_FLAG0] = 0x01; |
| prxcrt = 0x48; // ver0.74 | prxcrt = 0x08; |
| 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 81 static void bios_reinitbyswitch(void) { | Line 83 static void bios_reinitbyswitch(void) { |
| mem[MEMB_PRXDUPD] = prxdupd; | mem[MEMB_PRXDUPD] = prxdupd; |
| biosflag = 0x20; | biosflag = 0x20; |
| if (pccore.cpumode & CPUMODE_8MHz) { | if (pccore.cpumode & CPUMODE_8MHZ) { |
| biosflag |= 0x80; | biosflag |= 0x80; |
| } | } |
| biosflag |= mem[0xa3fea] & 7; | biosflag |= mem[0xa3fea] & 7; |
| Line 120 static void bios_reinitbyswitch(void) { | Line 122 static void bios_reinitbyswitch(void) { |
| } | } |
| } | } |
| static void bios_vectorset(void) { // ver0.30 | static void bios_vectorset(void) { |
| UINT i; | UINT i; |
| Line 136 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 158 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 172 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 192 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)); |
| bios_vectorset(); // ver0.29 | bios_vectorset(); |
| if (!biosrom) { | if (!biosrom) { |
| lio_init(); | lio_initialize(); |
| } | } |
| SETBIOSMEM16(0xfd800, 0xcb90); | SETBIOSMEM16(0xfd800, 0xcb90); |
| Line 225 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; |
| // SETBIOSMEM16(MEMW_DISK_EQUIP, 0x0003); // ver0.29 | // SETBIOSMEM16(MEMW_DISK_EQUIP, 0x0003); |
| mem[0x005ae] |= 0x03; // ver0.31 | mem[0x005ae] |= 0x03; // ver0.31 |
| CopyMemory(mem + 0x0fde00, keytable[0], 0x300); | CopyMemory(mem + 0x0fde00, keytable[0], 0x300); |
| Line 281 static void bios_boot(void) { | Line 282 static void bios_boot(void) { |
| } | } |
| } | } |
| // テスト(こんなんじゃだめぽ | |
| static void bios0x1f(void) { | |
| BYTE work[256]; | |
| UINT32 src; | |
| UINT32 dst; | |
| UINT leng; | |
| UINT l; | |
| if (CPU_AH == 0x90) { | |
| i286_memstr_read(CPU_ES, CPU_BX + 0x10, work, 0x10); | |
| src = work[2] + (work[3] << 8) + (work[4] << 16) + CPU_SI; | |
| dst = work[8] + (work[9] << 8) + (work[10] << 16) + CPU_DI; | |
| leng = LOW16(CPU_CX - 1) + 1; | |
| TRACEOUT(("src:%08x dst:%08x leng:%08x", src, dst, leng)); | |
| do { | |
| l = min(leng, 256); | |
| i286_memx_read(src, work, l); | |
| i286_memx_write(dst, work, l); | |
| src += l; | |
| dst += l; | |
| leng -= l; | |
| } while(leng); | |
| } | |
| else { | |
| TRACEOUT(("unsupport protect bios AH=%.2x", CPU_AH)); | |
| } | |
| } | |
| UINT MEMCALL biosfunc(UINT32 adrs) { | 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 | // for epson ITF |
| return(0); | return(0); |
| #else | |
| CPU_IP--; | |
| CPU_REMCLOCK = -1; | |
| return(1); | |
| #endif | |
| } | } |
| switch(adrs) { // ver0.30 | switch(adrs) { |
| case BIOS_BASE + BIOSOFST_EOIM: | case BIOS_BASE + BIOSOFST_EOIM: |
| CPU_REMCLOCK -= 300; | CPU_REMCLOCK -= 300; |
| iocore_out8(0x00, 0x20); | iocore_out8(0x00, 0x20); |
| Line 365 UINT MEMCALL biosfunc(UINT32 adrs) { | Line 389 UINT MEMCALL biosfunc(UINT32 adrs) { |
| 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: |
| CPU_STI; | CPU_STI; |
| if (fddmtr_biosbusy) { // ver0.26 | if (fddmtr.busy) { |
| CPU_IP--; | CPU_IP--; |
| CPU_REMCLOCK = -1; | CPU_REMCLOCK = -1; |
| } | } |
| Line 436 UINT MEMCALL biosfunc(UINT32 adrs) { | Line 465 UINT MEMCALL biosfunc(UINT32 adrs) { |
| return(0); | return(0); |
| } | } |
| if ((adrs >= 0xf9a00) && (adrs < 0x0f9a24)) { | if ((adrs >= 0xf9a00) && (adrs < 0x0f9a44)) { |
| if (!(adrs & 1)) { | if (!(adrs & 3)) { |
| bios_lio((BYTE)((adrs - 0xf9a00) >> 1)); | CPU_REMCLOCK -= 500; |
| bios_lio((REG8)((adrs - 0xf9a00) >> 2)); | |
| } | |
| else { | |
| if (nevent_iswork(NEVENT_GDCSLAVE)) { | |
| CPU_IP--; | |
| CPU_REMCLOCK = -1; | |
| return(1); | |
| } | |
| } | } |
| return(0); | return(0); |
| } | } |