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| version 1.12, 2003/12/04 06:41:23 | version 1.13, 2003/12/08 00:55:31 |
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| Line 1 | Line 1 |
| #include "compiler.h" | #include "compiler.h" |
| #include "i286.h" | #include "cpucore.h" |
| #include "i286c.h" | #include "i286c.h" |
| #include "v30patch.h" | #include "v30patch.h" |
| #include "memory.h" | #include "memory.h" |
| Line 11 | Line 11 |
| I286CORE i286core; | I286CORE i286core; |
| const BYTE iflags[256] = { // Z_FLAG, S_FLAG, P_FLAG | const UINT8 iflags[256] = { // Z_FLAG, S_FLAG, P_FLAG |
| 0x44, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00, | 0x44, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00, |
| 0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04, | 0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04, |
| 0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04, | 0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04, |
| Line 48 const BYTE iflags[256] = { // Z_FLAG | Line 48 const BYTE iflags[256] = { // Z_FLAG |
| // ---- | // ---- |
| BYTE _szpcflag8[0x200]; | UINT8 _szpcflag8[0x200]; |
| #if !defined(MEMOPTIMIZE) | #if !defined(MEMOPTIMIZE) |
| BYTE _szpflag16[0x10000]; | UINT8 _szpflag16[0x10000]; |
| #endif | #endif |
| #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) | #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) |
| BYTE *_reg8_b53[256]; | UINT8 *_reg8_b53[256]; |
| BYTE *_reg8_b20[256]; | UINT8 *_reg8_b20[256]; |
| #endif | #endif |
| #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) | #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) |
| UINT16 *_reg16_b53[256]; | UINT16 *_reg16_b53[256]; |
| UINT16 *_reg16_b20[256]; | UINT16 *_reg16_b20[256]; |
| #endif | #endif |
| void i286_initialize(void) { | void i286c_initialize(void) { |
| UINT i; | UINT i; |
| UINT bit; | UINT bit; |
| BYTE f; | REG8 f; |
| for (i=0; i<0x100; i++) { | for (i=0; i<0x100; i++) { |
| f = P_FLAG; | f = P_FLAG; |
| Line 95 void i286_initialize(void) { | Line 95 void i286_initialize(void) { |
| pos = ((i & 0x20)?0:1); | pos = ((i & 0x20)?0:1); |
| #endif | #endif |
| pos += ((i >> 3) & 3) * 2; | pos += ((i >> 3) & 3) * 2; |
| _reg8_b53[i] = ((BYTE *)&I286_REG) + pos; | _reg8_b53[i] = ((UINT8 *)&I286_REG) + pos; |
| #if defined(BYTESEX_LITTLE) | #if defined(BYTESEX_LITTLE) |
| pos = ((i & 0x4)?1:0); | pos = ((i & 0x4)?1:0); |
| #else | #else |
| pos = ((i & 0x4)?0:1); | pos = ((i & 0x4)?0:1); |
| #endif | #endif |
| pos += (i & 3) * 2; | pos += (i & 3) * 2; |
| _reg8_b20[i] = ((BYTE *)&I286_REG) + pos; | _reg8_b20[i] = ((UINT8 *)&I286_REG) + pos; |
| #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) | #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) |
| _reg16_b53[i] = ((UINT16 *)&I286_REG) + ((i >> 3) & 7); | _reg16_b53[i] = ((UINT16 *)&I286_REG) + ((i >> 3) & 7); |
| _reg16_b20[i] = ((UINT16 *)&I286_REG) + (i & 7); | _reg16_b20[i] = ((UINT16 *)&I286_REG) + (i & 7); |
| Line 130 void i286_initialize(void) { | Line 130 void i286_initialize(void) { |
| #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) | #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) |
| i286cea_initialize(); | i286cea_initialize(); |
| #endif | #endif |
| v30init(); | v30cinit(); |
| } | } |
| void i286_reset(void) { | void i286c_reset(void) { |
| ZeroMemory(&i286core.s, sizeof(i286core.s)); | ZeroMemory(&I286_STAT, sizeof(I286_STAT)); |
| I286_CS = 0x1fc0; | I286_CS = 0x1fc0; |
| CS_BASE = 0x1fc00; | CS_BASE = 0x1fc00; |
| i286core.s.adrsmask = 0xfffff; | I286_ADRSMASK = 0xfffff; |
| } | } |
| void i286_resetprefetch(void) { | void CPUCALL i286c_intnum(UINT vect, REG16 IP) { |
| } | |
| void CPUCALL i286_intnum(UINT vect, REG16 IP) { | |
| const BYTE *ptr; | const BYTE *ptr; |
| Line 162 const BYTE *ptr; | Line 159 const BYTE *ptr; |
| I286_WORKCLOCK(20); | I286_WORKCLOCK(20); |
| } | } |
| void CPUCALL i286_interrupt(BYTE vect) { | void CPUCALL i286c_interrupt(REG8 vect) { |
| UINT op; | UINT op; |
| const BYTE *ptr; | const BYTE *ptr; |
| Line 179 const BYTE *ptr; | Line 176 const BYTE *ptr; |
| I286_TRAP = 0; | I286_TRAP = 0; |
| ptr = I286_MEM + (vect * 4); | ptr = I286_MEM + (vect * 4); |
| 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_WORKCLOCK(20); | I286_WORKCLOCK(20); |
| } | } |
| void i286(void) { | void i286c(void) { |
| UINT opcode; | UINT opcode; |
| Line 194 void i286(void) { | Line 191 void i286(void) { |
| GET_PCBYTE(opcode); | GET_PCBYTE(opcode); |
| i286op[opcode](); | i286op[opcode](); |
| if (I286_TRAP) { | if (I286_TRAP) { |
| i286_interrupt(1); | i286c_interrupt(1); |
| } | } |
| dmap_i286(); | dmap_i286(); |
| } while(I286_REMCLOCK > 0); | } while(I286_REMCLOCK > 0); |
| Line 214 void i286(void) { | Line 211 void i286(void) { |
| } | } |
| } | } |
| void i286_step(void) { | void i286c_step(void) { |
| UINT opcode; | UINT opcode; |