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| version 1.51, 2004/03/01 05:29:58 | version 1.54, 2004/03/08 12:45:58 |
|---|---|
| Line 26 static const char neccheck[] = "Copyrigh | Line 26 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}; |
| typedef struct { | |
| UINT8 port; | |
| UINT8 data; | |
| } IODATA; | |
| static const IODATA iodata[] = { | |
| // DMA | |
| {0x29, 0x00}, {0x29, 0x01}, {0x29, 0x02}, {0x29, 0x03}, | |
| {0x27, 0x00}, {0x21, 0x00}, {0x23, 0x00}, {0x25, 0x00}, | |
| {0x1b, 0x00}, {0x11, 0x40}, | |
| // PIT | |
| {0x77, 0x30}, {0x71, 0x00}, {0x71, 0x00}, | |
| {0x77, 0x76}, {0x73, 0xcd}, {0x73, 0x04}, | |
| {0x77, 0xb6}, | |
| // PIC | |
| {0x00, 0x11}, {0x02, 0x08}, {0x02, 0x80}, {0x02, 0x1d}, | |
| {0x08, 0x11}, {0x0a, 0x10}, {0x0a, 0x07}, {0x0a, 0x09}, | |
| {0x02, 0x7d}, {0x0a, 0x71}}; | |
| static const UINT8 msw_default[8] = | |
| {0x48, 0x05, 0x04, 0x00, 0x01, 0x00, 0x00, 0x6e}; | |
| static void bios_itfprepare(void) { | |
| const IODATA *p; | |
| const IODATA *pterm; | |
| p = iodata; | |
| pterm = iodata + (sizeof(iodata) / sizeof(IODATA)); | |
| while(p < pterm) { | |
| iocore_out8(p->port, p->data); | |
| p++; | |
| } | |
| // GDCの初期化。 | |
| // … | |
| } | |
| static void bios_memclear(void) { | |
| ZeroMemory(mem, 0xa0000); | |
| ZeroMemory(mem + VRAM0_B, 0x18000); | |
| ZeroMemory(mem + VRAM0_E, 0x08000); | |
| ZeroMemory(mem + VRAM1_B, 0x18000); | |
| ZeroMemory(mem + VRAM1_E, 0x08000); | |
| } | |
| static void bios_reinitbyswitch(void) { | static void bios_reinitbyswitch(void) { |
| Line 123 static void bios_reinitbyswitch(void) { | Line 172 static void bios_reinitbyswitch(void) { |
| } | } |
| } | } |
| static void bios_memclear(void) { | |
| ZeroMemory(mem, 0xa0000); | |
| ZeroMemory(mem + VRAM1_B, 0x18000); | |
| ZeroMemory(mem + VRAM1_E, 0x08000); | |
| } | |
| static void bios_vectorset(void) { | static void bios_vectorset(void) { |
| UINT i; | UINT i; |
| Line 269 void bios_initialize(void) { | Line 311 void bios_initialize(void) { |
| static void bios_boot(void) { | static void bios_boot(void) { |
| int i; | |
| if (!(sysport.c & 0x80)) { | if (!(sysport.c & 0x80)) { |
| 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)); | // TRACEOUT(("CPU Reset... SS:SP = %.4x:%.4x", CPU_SS, CPU_SP)); |
| } | } |
| else { | else { |
| // bios_memclear(); | bios_itfprepare(); |
| bios_memclear(); | |
| bios_vectorset(); | bios_vectorset(); |
| bios0x09_init(); | bios0x09_init(); |
| bios_reinitbyswitch(); | bios_reinitbyswitch(); |
| Line 292 static void bios_boot(void) { | Line 337 static void bios_boot(void) { |
| SETBIOSMEM16(0x004fc, 0xffff); | SETBIOSMEM16(0x004fc, 0xffff); |
| } | } |
| else { | else { |
| if (!np2cfg.ITF_WORK) { | |
| for (i=0; i<8; i++) { | |
| mem[MEMB_MSW + (i*4)] = msw_default[i]; | |
| } | |
| } | |
| CPU_IP = 0x0002; | CPU_IP = 0x0002; |
| } | } |
| } | } |
| Line 307 static void bios0x1f(void) { | Line 357 static void bios0x1f(void) { |
| UINT l; | UINT l; |
| if (CPU_AH == 0x90) { | if (CPU_AH == 0x90) { |
| i286_memstr_read(CPU_ES, CPU_BX + 0x10, work, 0x10); | MEML_READSTR(CPU_ES, CPU_BX + 0x10, work, 0x10); |
| src = work[2] + (work[3] << 8) + (work[4] << 16) + CPU_SI; | src = work[2] + (work[3] << 8) + (work[4] << 16) + CPU_SI; |
| dst = work[10] + (work[11] << 8) + (work[12] << 16) + CPU_DI; | dst = work[10] + (work[11] << 8) + (work[12] << 16) + CPU_DI; |
| leng = LOW16(CPU_CX - 1) + 1; | leng = LOW16(CPU_CX - 1) + 1; |
| Line 322 static void bios0x1f(void) { | Line 372 static void bios0x1f(void) { |
| TRACEOUT(("src:%08x dst:%08x leng:%08x", src, dst, leng)); | TRACEOUT(("src:%08x dst:%08x leng:%08x", src, dst, leng)); |
| do { | do { |
| l = min(leng, 256); | l = min(leng, 256); |
| i286_memx_read(src, work, l); | MEML_READ(src, work, l); |
| i286_memx_write(dst, work, l); | MEML_WRITE(dst, work, l); |
| src += l; | src += l; |
| dst += l; | dst += l; |
| leng -= l; | leng -= l; |