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| version 1.3, 2003/10/17 11:10:02 | version 1.6, 2003/10/26 07:50:36 |
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| Line 1 | Line 1 |
| #include "compiler.h" | #include "compiler.h" |
| #include "i286.h" | #include "i286.h" |
| #include "i286c.h" | #include "i286c.h" |
| #include "v30patch.h" | |
| #include "memory.h" | #include "memory.h" |
| #include "pccore.h" | #include "pccore.h" |
| #include "iocore.h" | #include "iocore.h" |
| Line 53 const BYTE iflags[256] = { // Z_FLAG | Line 54 const BYTE iflags[256] = { // Z_FLAG |
| UINT16 *reg16_b53[256]; | UINT16 *reg16_b53[256]; |
| UINT16 *reg16_b20[256]; | UINT16 *reg16_b20[256]; |
| BYTE szpcflag[0x200]; | BYTE szpcflag[0x200]; |
| BYTE szpflag_w[0x10000]; | |
| CALCEA c_calc_ea_dst[256]; | CALCEA c_calc_ea_dst[256]; |
| CALCLEA c_calc_lea[192]; | CALCLEA c_calc_lea[192]; |
| GETLEA c_get_ea[192]; | GETLEA c_get_ea[192]; |
| #if !defined(CPUW2TEST) | |
| BYTE szpflag_w[0x10000]; | |
| #endif | |
| static UINT32 ea_nop(void) { | static UINT32 ea_nop(void) { |
| Line 116 void i286_initialize(void) { | Line 120 void i286_initialize(void) { |
| for (; i<0x100; i++) { | for (; i<0x100; i++) { |
| c_calc_ea_dst[i] = ea_nop; | c_calc_ea_dst[i] = ea_nop; |
| } | } |
| #if !defined(CPUW2TEST) | |
| for (i=0; i<0x10000; i++) { | for (i=0; i<0x10000; i++) { |
| f = P_FLAG; | f = P_FLAG; |
| for (bit=0x80; bit; bit>>=1) { | for (bit=0x80; bit; bit>>=1) { |
| Line 131 void i286_initialize(void) { | Line 137 void i286_initialize(void) { |
| } | } |
| szpflag_w[i] = f; | szpflag_w[i] = f; |
| } | } |
| #endif | |
| v30init(); | |
| } | } |
| void i286_reset(void) { | void i286_reset(void) { |
| Line 159 const BYTE *ptr; | Line 167 const BYTE *ptr; |
| I286_IP = LOADINTELWORD(ptr+0); // real mode! | I286_IP = LOADINTELWORD(ptr+0); // real mode! |
| I286_CS = LOADINTELWORD(ptr+2); // real mode! | I286_CS = LOADINTELWORD(ptr+2); // real mode! |
| CS_BASE = I286_CS << 4; | CS_BASE = I286_CS << 4; |
| I286_CLOCK(20) | I286_WORKCLOCK(20); |
| } | } |
| void CPUCALL i286_interrupt(BYTE vect) { | void CPUCALL i286_interrupt(BYTE vect) { |
| Line 171 const BYTE *ptr; | Line 179 const BYTE *ptr; |
| if (op == 0xf4) { // hlt | if (op == 0xf4) { // hlt |
| I286_IP++; | I286_IP++; |
| } | } |
| REGPUSH0(REAL_FLAGREG) | REGPUSH0(REAL_FLAGREG) // ここV30で辻褄が合わない |
| REGPUSH0(I286_CS) | REGPUSH0(I286_CS) |
| REGPUSH0(I286_IP) | REGPUSH0(I286_IP) |
| Line 182 const BYTE *ptr; | Line 190 const BYTE *ptr; |
| I286_IP = LOADINTELWORD(ptr+0); // real mode! | I286_IP = LOADINTELWORD(ptr+0); // real mode! |
| I286_CS = LOADINTELWORD(ptr+2); // real mode! | I286_CS = LOADINTELWORD(ptr+2); // real mode! |
| CS_BASE = I286_CS << 4; | CS_BASE = I286_CS << 4; |
| I286_CLOCK(20) | I286_WORKCLOCK(20); |
| } | } |
| void i286(void) { | void i286(void) { |
| Line 197 void i286(void) { | Line 205 void i286(void) { |
| i286_interrupt(1); | i286_interrupt(1); |
| } | } |
| dmap_i286(); | dmap_i286(); |
| } while(nevent.remainclock > 0); | } while(I286_REMCLOCK > 0); |
| } | } |
| else if (dmac.working) { | else if (dmac.working) { |
| do { | do { |
| GET_PCBYTE(opcode); | GET_PCBYTE(opcode); |
| i286op[opcode](); | i286op[opcode](); |
| dmap_i286(); | dmap_i286(); |
| } while(nevent.remainclock > 0); | } while(I286_REMCLOCK > 0); |
| } | } |
| else { | else { |
| do { | do { |
| GET_PCBYTE(opcode); | GET_PCBYTE(opcode); |
| i286op[opcode](); | i286op[opcode](); |
| } while(nevent.remainclock > 0); | } while(I286_REMCLOCK > 0); |
| } | } |
| } | } |