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| version 1.11, 2003/12/04 13:54:28 | version 1.12, 2003/12/08 00:55:30 |
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| Line 1 | Line 1 |
| #include "compiler.h" | #include "compiler.h" |
| #include "dosio.h" | #include "dosio.h" |
| #include "i286.h" | #include "cpucore.h" |
| #include "memory.h" | #include "memory.h" |
| #include "pccore.h" | #include "pccore.h" |
| #include "iocore.h" | #include "iocore.h" |
| Line 49 static void bios_reinitbyswitch(void) { | Line 49 static void bios_reinitbyswitch(void) { |
| BYTE biosflag; | BYTE biosflag; |
| BYTE ext_mem; | BYTE ext_mem; |
| CPUTYPE = 0; | CPU_TYPE = 0; |
| prxcrt = 0xc8; | prxcrt = 0xc8; |
| if (gdc.display & 2) { | if (gdc.display & 2) { |
| prxcrt |= 0x04; // color16 | prxcrt |= 0x04; // color16 |
| Line 80 static void bios_reinitbyswitch(void) { | Line 80 static void bios_reinitbyswitch(void) { |
| ext_mem = np2cfg.EXTMEM; // ver0.28 | ext_mem = np2cfg.EXTMEM; // ver0.28 |
| } | } |
| else { | else { |
| CPUTYPE = CPUTYPE_V30; | CPU_TYPE = CPUTYPE_V30; |
| ext_mem = 0; | ext_mem = 0; |
| biosflag |= 0x40; | biosflag |= 0x40; |
| } | } |
| Line 231 static void bios_boot(void) { | Line 231 static void bios_boot(void) { |
| if (!(sysport.c & 0x20)) { | if (!(sysport.c & 0x20)) { |
| bios_reinitbyswitch(); | bios_reinitbyswitch(); |
| } | } |
| I286_CS = 0x0000; | CPU_CS = 0x0000; |
| I286_IP = 0x04f8; | CPU_IP = 0x04f8; |
| I286_DS = 0x0000; | CPU_DS = 0x0000; |
| 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); |
| } | } |
| else { | else { |
| I286_SP = GETBIOSMEM16(0x00404); | CPU_SP = GETBIOSMEM16(0x00404); |
| I286_SS = GETBIOSMEM16(0x00406); | CPU_SS = GETBIOSMEM16(0x00406); |
| } | } |
| } | } |
| Line 252 UINT MEMCALL biosfunc(UINT32 adrs) { | Line 252 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--; | CPU_IP--; |
| I286_REMCLOCK = -1; | CPU_REMCLOCK = -1; |
| return(1); | return(1); |
| } | } |
| switch(adrs) { // ver0.30 | switch(adrs) { // ver0.30 |
| case BIOS_BASE + BIOSOFST_EOIM: | case BIOS_BASE + BIOSOFST_EOIM: |
| I286_REMCLOCK -= 300; | CPU_REMCLOCK -= 300; |
| iocore_out8(0x00, 0x20); | iocore_out8(0x00, 0x20); |
| return(0); | return(0); |
| Line 272 UINT MEMCALL biosfunc(UINT32 adrs) { | Line 272 UINT MEMCALL biosfunc(UINT32 adrs) { |
| return(0); | return(0); |
| case BIOS_BASE + BIOSOFST_02: | case BIOS_BASE + BIOSOFST_02: |
| I286_REMCLOCK -= 300; | CPU_REMCLOCK -= 300; |
| bios0x02(); | bios0x02(); |
| return(1); | return(1); |
| case BIOS_BASE + BIOSOFST_08: | case BIOS_BASE + BIOSOFST_08: |
| I286_REMCLOCK -= 300; | CPU_REMCLOCK -= 300; |
| bios0x08(); | bios0x08(); |
| return(1); | return(1); |
| case BIOS_BASE + BIOSOFST_09: | case BIOS_BASE + BIOSOFST_09: |
| I286_REMCLOCK -= 300; | CPU_REMCLOCK -= 300; |
| 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_1a: |
| I286_REMCLOCK -= 200; | CPU_REMCLOCK -= 200; |
| bios0x1a(); | bios0x1a(); |
| return(1); | return(1); |
| case BIOS_BASE + BIOSOFST_1b: | case BIOS_BASE + BIOSOFST_1b: |
| I286_REMCLOCK -= 200; | 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_WAIT: | case BIOS_BASE + BIOSOFST_WAIT: |
| I286_STI; | CPU_STI; |
| if (fddmtr_biosbusy) { // ver0.26 | if (fddmtr_biosbusy) { // ver0.26 |
| I286_IP--; | CPU_IP--; |
| I286_REMCLOCK = -1; | CPU_REMCLOCK = -1; |
| } | } |
| else { | else { |
| switch(CTRL_FDMEDIA) { | switch(CTRL_FDMEDIA) { |
| case DISKTYPE_2HD: | case DISKTYPE_2HD: |
| if (pic.pi[1].isr & PIC_INT42) { | if (pic.pi[1].isr & PIC_INT42) { |
| I286_IP--; | CPU_IP--; |
| I286_REMCLOCK -= 1000; | CPU_REMCLOCK -= 1000; |
| } | } |
| break; | break; |
| case DISKTYPE_2DD: | case DISKTYPE_2DD: |
| if (pic.pi[1].isr & PIC_INT41) { | if (pic.pi[1].isr & PIC_INT41) { |
| I286_IP--; | CPU_IP--; |
| I286_REMCLOCK -= 1000; | CPU_REMCLOCK -= 1000; |
| } | } |
| break; | break; |
| } | } |
| Line 362 UINT MEMCALL biosfunc(UINT32 adrs) { | Line 362 UINT MEMCALL biosfunc(UINT32 adrs) { |
| bios_reinitbyswitch(); // ver0.27 | bios_reinitbyswitch(); // ver0.27 |
| bios_vectorset(); // ver0.29 | bios_vectorset(); // ver0.29 |
| bootseg = bootstrapload(); | bootseg = bootstrapload(); |
| I286_STI; | CPU_STI; |
| I286_CS = (bootseg != 0)?bootseg:0xe800; | CPU_CS = (bootseg != 0)?bootseg:0xe800; |
| I286_DS = 0x0000; | CPU_DS = 0x0000; |
| I286_SS = 0x0030; | CPU_SS = 0x0030; |
| I286_SP = 0x00e6; | CPU_SP = 0x00e6; |
| I286_IP = 0x0000; | CPU_IP = 0x0000; |
| return(1); | 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; | CPU_SS = 0x0030; |
| I286_SP = 0x00e6; | CPU_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); |
| } | } |
| Line 399 UINT MEMCALL biosfunc(UINT32 adrs) { | Line 399 UINT MEMCALL biosfunc(UINT32 adrs) { |
| if (biosrom) { | if (biosrom) { |
| return(0); | return(0); |
| } | } |
| I286_IP--; | CPU_IP--; |
| I286_REMCLOCK = -1; | CPU_REMCLOCK = -1; |
| return(1); | return(1); |
| } | } |