|
|
| version 1.27, 2004/01/15 17:42:57 | version 1.28, 2004/01/22 01:10:03 |
|---|---|
| Line 5 | Line 5 |
| #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 15 | Line 16 |
| #include "itfrom.res" | #include "itfrom.res" |
| #include "startup.res" | #include "startup.res" |
| #include "biosboot.res" | #include "biosboot.res" |
| #include "sxsibios.res" | |
| #define BIOS_SIMULATE | #define BIOS_SIMULATE |
| Line 36 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) | #if defined(CPUCORE_IA32) |
| UINT16 org_cs; | UINT16 org_cs; |
| Line 50 static void bios_reinitbyswitch(void) { | Line 50 static void bios_reinitbyswitch(void) { |
| SETBIOSMEM16(0x00486, CPU_DX); | SETBIOSMEM16(0x00486, CPU_DX); |
| #endif | #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 88 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 102 static void bios_reinitbyswitch(void) { | Line 103 static void bios_reinitbyswitch(void) { |
| 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 118 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 199 void bios_init(void) { | Line 231 void bios_init(void) { |
| bios_reinitbyswitch(); | bios_reinitbyswitch(); |
| mem[MEMB_CRT_STS_FLAG] = 0x84; | mem[MEMB_CRT_STS_FLAG] = 0x84; |
| 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 |
| 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); |
| Line 230 void bios_init(void) { | Line 260 void bios_init(void) { |
| extmem_init(np2cfg.EXTMEM); | extmem_init(np2cfg.EXTMEM); |
| #endif | #endif |
| CopyMemory(mem + 0xd0000, sxsibios, sizeof(sxsibios)); | |
| CPU_RAM_D000 &= ~(1 << 0); | |
| CopyMemory(mem + 0x1c0000, mem + ITF_ADRS, 0x08000); | CopyMemory(mem + 0x1c0000, mem + ITF_ADRS, 0x08000); |
| CopyMemory(mem + 0x1e8000, mem + 0x0e8000, 0x10000); | CopyMemory(mem + 0x1e8000, mem + 0x0e8000, 0x10000); |
| } | } |
| Line 379 UINT MEMCALL biosfunc(UINT32 adrs) { | Line 406 UINT MEMCALL biosfunc(UINT32 adrs) { |
| case 0xfd802: // ブート | case 0xfd802: // ブート |
| bios_reinitbyswitch(); | bios_reinitbyswitch(); |
| bios_vectorset(); | bios_vectorset(); |
| bios_screeninit(); | |
| #if 1 // ver0.73 | #if 1 // ver0.73 |
| CPU_CS = 0xfd80; | CPU_CS = 0xfd80; // SASI/SCSIリセット |
| CPU_IP = 0x2400; | CPU_IP = 0x2400; |
| #else | #else |
| bootseg = bootstrapload(); | bootseg = bootstrapload(); |