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Diffstat (limited to 'src/emu/cpu/i386/i386op32.c')
-rw-r--r--src/emu/cpu/i386/i386op32.c2974
1 files changed, 2974 insertions, 0 deletions
diff --git a/src/emu/cpu/i386/i386op32.c b/src/emu/cpu/i386/i386op32.c
new file mode 100644
index 00000000000..a5eee962959
--- /dev/null
+++ b/src/emu/cpu/i386/i386op32.c
@@ -0,0 +1,2974 @@
+static UINT32 I386OP(shift_rotate32)(UINT8 modrm, UINT32 value, UINT8 shift)
+{
+ UINT32 dst, src;
+ dst = value;
+ src = value;
+
+ if( shift == 0 ) {
+ CYCLES_RM(modrm, 3, 7);
+ } else if( shift == 1 ) {
+
+ switch( (modrm >> 3) & 0x7 )
+ {
+ case 0: /* ROL rm32, 1 */
+ I.CF = (src & 0x80000000) ? 1 : 0;
+ dst = (src << 1) + I.CF;
+ I.OF = ((src ^ dst) & 0x80000000) ? 1 : 0;
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ case 1: /* ROR rm32, 1 */
+ I.CF = (src & 0x1) ? 1 : 0;
+ dst = (I.CF << 31) | (src >> 1);
+ I.OF = ((src ^ dst) & 0x80000000) ? 1 : 0;
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ case 2: /* RCL rm32, 1 */
+ dst = (src << 1) + I.CF;
+ I.CF = (src & 0x80000000) ? 1 : 0;
+ I.OF = ((src ^ dst) & 0x80000000) ? 1 : 0;
+ CYCLES_RM(modrm, CYCLES_ROTATE_CARRY_REG, CYCLES_ROTATE_CARRY_MEM);
+ break;
+ case 3: /* RCR rm32, 1 */
+ dst = (I.CF << 31) | (src >> 1);
+ I.CF = src & 0x1;
+ I.OF = ((src ^ dst) & 0x80000000) ? 1 : 0;
+ CYCLES_RM(modrm, CYCLES_ROTATE_CARRY_REG, CYCLES_ROTATE_CARRY_MEM);
+ break;
+ case 4: /* SHL/SAL rm32, 1 */
+ case 6:
+ dst = src << 1;
+ I.CF = (src & 0x80000000) ? 1 : 0;
+ I.OF = (((I.CF << 31) ^ dst) & 0x80000000) ? 1 : 0;
+ SetSZPF32(dst);
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ case 5: /* SHR rm32, 1 */
+ dst = src >> 1;
+ I.CF = src & 0x1;
+ I.OF = (src & 0x80000000) ? 1 : 0;
+ SetSZPF32(dst);
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ case 7: /* SAR rm32, 1 */
+ dst = (INT32)(src) >> 1;
+ I.CF = src & 0x1;
+ I.OF = 0;
+ SetSZPF32(dst);
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ }
+
+ } else {
+
+ switch( (modrm >> 3) & 0x7 )
+ {
+ case 0: /* ROL rm32, i8 */
+ dst = ((src & ((UINT32)0xffffffff >> shift)) << shift) |
+ ((src & ((UINT32)0xffffffff << (32-shift))) >> (32-shift));
+ I.CF = (src >> (32-shift)) & 0x1;
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ case 1: /* ROR rm32, i8 */
+ dst = ((src & ((UINT32)0xffffffff << shift)) >> shift) |
+ ((src & ((UINT32)0xffffffff >> (32-shift))) << (32-shift));
+ I.CF = (src >> (shift-1)) & 0x1;
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ case 2: /* RCL rm32, i8 */
+ dst = ((src & ((UINT32)0xffffffff >> shift)) << shift) |
+ ((src & ((UINT32)0xffffffff << (33-shift))) >> (33-shift)) |
+ (I.CF << (shift-1));
+ I.CF = (src >> (32-shift)) & 0x1;
+ CYCLES_RM(modrm, CYCLES_ROTATE_CARRY_REG, CYCLES_ROTATE_CARRY_MEM);
+ break;
+ case 3: /* RCR rm32, i8 */
+ dst = ((src & ((UINT32)0xffffffff << shift)) >> shift) |
+ ((src & ((UINT32)0xffffffff >> (32-shift))) << (33-shift)) |
+ (I.CF << (32-shift));
+ I.CF = (src >> (shift-1)) & 0x1;
+ CYCLES_RM(modrm, CYCLES_ROTATE_CARRY_REG, CYCLES_ROTATE_CARRY_MEM);
+ break;
+ case 4: /* SHL/SAL rm32, i8 */
+ case 6:
+ dst = src << shift;
+ I.CF = (src & (1 << (32-shift))) ? 1 : 0;
+ SetSZPF32(dst);
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ case 5: /* SHR rm32, i8 */
+ dst = src >> shift;
+ I.CF = (src & (1 << (shift-1))) ? 1 : 0;
+ SetSZPF32(dst);
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ case 7: /* SAR rm32, i8 */
+ dst = (INT32)src >> shift;
+ I.CF = (src & (1 << (shift-1))) ? 1 : 0;
+ SetSZPF32(dst);
+ CYCLES_RM(modrm, CYCLES_ROTATE_REG, CYCLES_ROTATE_MEM);
+ break;
+ }
+
+ }
+ return dst;
+}
+
+
+
+static void I386OP(adc_rm32_r32)(void) // Opcode 0x11
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm);
+ dst = LOAD_RM32(modrm);
+ src = ADD32(src, I.CF);
+ dst = ADD32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm);
+ dst = READ32(ea);
+ src = ADD32(src, I.CF);
+ dst = ADD32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+}
+
+static void I386OP(adc_r32_rm32)(void) // Opcode 0x13
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ dst = LOAD_REG32(modrm);
+ src = ADD32(src, I.CF);
+ dst = ADD32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ dst = LOAD_REG32(modrm);
+ src = ADD32(src, I.CF);
+ dst = ADD32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_MEM_REG);
+ }
+}
+
+static void I386OP(adc_eax_i32)(void) // Opcode 0x15
+{
+ UINT32 src, dst;
+ src = FETCH32();
+ dst = REG32(EAX);
+ src = ADD32(src, I.CF);
+ dst = ADD32(dst, src);
+ REG32(EAX) = dst;
+ CYCLES(CYCLES_ALU_IMM_ACC);
+}
+
+static void I386OP(add_rm32_r32)(void) // Opcode 0x01
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm);
+ dst = LOAD_RM32(modrm);
+ dst = ADD32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm);
+ dst = READ32(ea);
+ dst = ADD32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+}
+
+static void I386OP(add_r32_rm32)(void) // Opcode 0x03
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ dst = LOAD_REG32(modrm);
+ dst = ADD32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ dst = LOAD_REG32(modrm);
+ dst = ADD32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_MEM_REG);
+ }
+}
+
+static void I386OP(add_eax_i32)(void) // Opcode 0x05
+{
+ UINT32 src, dst;
+ src = FETCH32();
+ dst = REG32(EAX);
+ dst = ADD32(dst, src);
+ REG32(EAX) = dst;
+ CYCLES(CYCLES_ALU_IMM_ACC);
+}
+
+static void I386OP(and_rm32_r32)(void) // Opcode 0x21
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm);
+ dst = LOAD_RM32(modrm);
+ dst = AND32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm);
+ dst = READ32(ea);
+ dst = AND32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+}
+
+static void I386OP(and_r32_rm32)(void) // Opcode 0x23
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ dst = LOAD_REG32(modrm);
+ dst = AND32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ dst = LOAD_REG32(modrm);
+ dst = AND32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_MEM_REG);
+ }
+}
+
+static void I386OP(and_eax_i32)(void) // Opcode 0x25
+{
+ UINT32 src, dst;
+ src = FETCH32();
+ dst = REG32(EAX);
+ dst = AND32(dst, src);
+ REG32(EAX) = dst;
+ CYCLES(CYCLES_ALU_IMM_ACC);
+}
+
+static void I386OP(bsf_r32_rm32)(void) // Opcode 0x0f bc
+{
+ UINT32 src, dst, temp;
+ UINT8 modrm = FETCH();
+
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ }
+
+ dst = 0;
+
+ if( src == 0 ) {
+ I.ZF = 1;
+ } else {
+ I.ZF = 0;
+ temp = 0;
+ while( (src & (1 << temp)) == 0 ) {
+ temp++;
+ dst = temp;
+ CYCLES(CYCLES_BSF);
+ }
+ }
+ CYCLES(CYCLES_BSF_BASE);
+ STORE_REG32(modrm, dst);
+}
+
+static void I386OP(bsr_r32_rm32)(void) // Opcode 0x0f bd
+{
+ UINT32 src, dst, temp;
+ UINT8 modrm = FETCH();
+
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ }
+
+ dst = 0;
+
+ if( src == 0 ) {
+ I.ZF = 1;
+ } else {
+ I.ZF = 0;
+ temp = 31;
+ while( (src & (1 << temp)) == 0 ) {
+ temp--;
+ dst = temp;
+ CYCLES(CYCLES_BSR);
+ }
+ }
+ CYCLES(CYCLES_BSR_BASE);
+ STORE_REG32(modrm, dst);
+}
+
+static void I386OP(bt_rm32_r32)(void) // Opcode 0x0f a3
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT32 bit = LOAD_REG32(modrm);
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+
+ CYCLES(CYCLES_BT_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT32 bit = LOAD_REG32(modrm);
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+
+ CYCLES(CYCLES_BT_REG_MEM);
+ }
+}
+
+static void I386OP(btc_rm32_r32)(void) // Opcode 0x0f bb
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT32 bit = LOAD_REG32(modrm);
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst ^= (1 << bit);
+
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_BTC_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT32 bit = LOAD_REG32(modrm);
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst ^= (1 << bit);
+
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_BTC_REG_MEM);
+ }
+}
+
+static void I386OP(btr_rm32_r32)(void) // Opcode 0x0f b3
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT32 bit = LOAD_REG32(modrm);
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst &= ~(1 << bit);
+
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_BTR_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT32 bit = LOAD_REG32(modrm);
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst &= ~(1 << bit);
+
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_BTR_REG_MEM);
+ }
+}
+
+static void I386OP(bts_rm32_r32)(void) // Opcode 0x0f ab
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT32 bit = LOAD_REG32(modrm);
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst |= (1 << bit);
+
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_BTS_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT32 bit = LOAD_REG32(modrm);
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst |= (1 << bit);
+
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_BTS_REG_MEM);
+ }
+}
+
+static void I386OP(call_abs32)(void) // Opcode 0x9a
+{
+ UINT32 offset = FETCH32();
+ UINT16 ptr = FETCH16();
+
+ if( PROTECTED_MODE ) {
+ /* TODO */
+ fatalerror("i386: call_abs32 in protected mode unimplemented");
+ } else {
+ PUSH32( I.sreg[CS].selector );
+ PUSH32( I.eip );
+ I.sreg[CS].selector = ptr;
+ I.eip = offset;
+ i386_load_segment_descriptor(CS);
+ }
+ CYCLES(CYCLES_CALL_INTERSEG);
+ CHANGE_PC(I.eip);
+}
+
+static void I386OP(call_rel32)(void) // Opcode 0xe8
+{
+ INT32 disp = FETCH32();
+
+ PUSH32( I.eip );
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_CALL); /* TODO: Timing = 7 + m */
+}
+
+static void I386OP(cdq)(void) // Opcode 0x99
+{
+ if( REG32(EAX) & 0x80000000 ) {
+ REG32(EDX) = 0xffffffff;
+ } else {
+ REG32(EDX) = 0x00000000;
+ }
+ CYCLES(CYCLES_CWD);
+}
+
+static void I386OP(cmp_rm32_r32)(void) // Opcode 0x39
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm);
+ dst = LOAD_RM32(modrm);
+ SUB32(dst, src);
+ CYCLES(CYCLES_CMP_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm);
+ dst = READ32(ea);
+ SUB32(dst, src);
+ CYCLES(CYCLES_CMP_REG_MEM);
+ }
+}
+
+static void I386OP(cmp_r32_rm32)(void) // Opcode 0x3b
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ dst = LOAD_REG32(modrm);
+ SUB32(dst, src);
+ CYCLES(CYCLES_CMP_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ dst = LOAD_REG32(modrm);
+ SUB32(dst, src);
+ CYCLES(CYCLES_CMP_MEM_REG);
+ }
+}
+
+static void I386OP(cmp_eax_i32)(void) // Opcode 0x3d
+{
+ UINT32 src, dst;
+ src = FETCH32();
+ dst = REG32(EAX);
+ SUB32(dst, src);
+ CYCLES(CYCLES_CMP_IMM_ACC);
+}
+
+static void I386OP(cmpsd)(void) // Opcode 0xa7
+{
+ UINT32 eas, ead, src, dst;
+ if( I.segment_prefix ) {
+ eas = i386_translate( I.segment_override, I.address_size ? REG32(ESI) : REG16(SI) );
+ } else {
+ eas = i386_translate( DS, I.address_size ? REG32(ESI) : REG16(SI) );
+ }
+ ead = i386_translate( ES, I.address_size ? REG32(EDI) : REG16(DI) );
+ src = READ32(eas);
+ dst = READ32(ead);
+ SUB32(dst, src);
+ BUMP_SI(4);
+ BUMP_DI(4);
+ CYCLES(CYCLES_CMPS);
+}
+
+static void I386OP(cwde)(void) // Opcode 0x98
+{
+ REG32(EAX) = (INT32)((INT16)REG16(AX));
+ CYCLES(CYCLES_CBW);
+}
+
+static void I386OP(dec_eax)(void) // Opcode 0x48
+{
+ REG32(EAX) = DEC32( REG32(EAX) );
+ CYCLES(CYCLES_DEC_REG);
+}
+
+static void I386OP(dec_ecx)(void) // Opcode 0x49
+{
+ REG32(ECX) = DEC32( REG32(ECX) );
+ CYCLES(CYCLES_DEC_REG);
+}
+
+static void I386OP(dec_edx)(void) // Opcode 0x4a
+{
+ REG32(EDX) = DEC32( REG32(EDX) );
+ CYCLES(CYCLES_DEC_REG);
+}
+
+static void I386OP(dec_ebx)(void) // Opcode 0x4b
+{
+ REG32(EBX) = DEC32( REG32(EBX) );
+ CYCLES(CYCLES_DEC_REG);
+}
+
+static void I386OP(dec_esp)(void) // Opcode 0x4c
+{
+ REG32(ESP) = DEC32( REG32(ESP) );
+ CYCLES(CYCLES_DEC_REG);
+}
+
+static void I386OP(dec_ebp)(void) // Opcode 0x4d
+{
+ REG32(EBP) = DEC32( REG32(EBP) );
+ CYCLES(CYCLES_DEC_REG);
+}
+
+static void I386OP(dec_esi)(void) // Opcode 0x4e
+{
+ REG32(ESI) = DEC32( REG32(ESI) );
+ CYCLES(CYCLES_DEC_REG);
+}
+
+static void I386OP(dec_edi)(void) // Opcode 0x4f
+{
+ REG32(EDI) = DEC32( REG32(EDI) );
+ CYCLES(CYCLES_DEC_REG);
+}
+
+static void I386OP(imul_r32_rm32)(void) // Opcode 0x0f af
+{
+ UINT8 modrm = FETCH();
+ INT64 result;
+ INT64 src, dst;
+ if( modrm >= 0xc0 ) {
+ src = (INT64)(INT32)LOAD_RM32(modrm);
+ CYCLES(CYCLES_IMUL32_REG_REG); /* TODO: Correct multiply timing */
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = (INT64)(INT32)READ32(ea);
+ CYCLES(CYCLES_IMUL32_REG_REG); /* TODO: Correct multiply timing */
+ }
+
+ dst = (INT64)(INT32)LOAD_REG32(modrm);
+ result = src * dst;
+
+ STORE_REG32(modrm, (UINT32)result);
+
+ I.CF = I.OF = !(result == (INT64)(INT32)result);
+}
+
+static void I386OP(imul_r32_rm32_i32)(void) // Opcode 0x69
+{
+ UINT8 modrm = FETCH();
+ INT64 result;
+ INT64 src, dst;
+ if( modrm >= 0xc0 ) {
+ dst = (INT64)(INT32)LOAD_RM32(modrm);
+ CYCLES(CYCLES_IMUL32_REG_IMM_REG); /* TODO: Correct multiply timing */
+ } else {
+ UINT32 ea = GetEA(modrm);
+ dst = (INT64)(INT32)READ32(ea);
+ CYCLES(CYCLES_IMUL32_MEM_IMM_REG); /* TODO: Correct multiply timing */
+ }
+
+ src = (INT64)(INT32)FETCH32();
+ result = src * dst;
+
+ STORE_REG32(modrm, (UINT32)result);
+
+ I.CF = I.OF = !(result == (INT64)(INT32)result);
+}
+
+static void I386OP(imul_r32_rm32_i8)(void) // Opcode 0x6b
+{
+ UINT8 modrm = FETCH();
+ INT64 result;
+ INT64 src, dst;
+ if( modrm >= 0xc0 ) {
+ dst = (INT64)(INT32)LOAD_RM32(modrm);
+ CYCLES(CYCLES_IMUL32_REG_IMM_REG); /* TODO: Correct multiply timing */
+ } else {
+ UINT32 ea = GetEA(modrm);
+ dst = (INT64)(INT32)READ32(ea);
+ CYCLES(CYCLES_IMUL32_MEM_IMM_REG); /* TODO: Correct multiply timing */
+ }
+
+ src = (INT64)(INT8)FETCH();
+ result = src * dst;
+
+ STORE_REG32(modrm, (UINT32)result);
+
+ I.CF = I.OF = !(result == (INT64)(INT32)result);
+}
+
+static void I386OP(in_eax_i8)(void) // Opcode 0xe5
+{
+ UINT16 port = FETCH();
+ UINT32 data = READPORT32(port);
+ REG32(EAX) = data;
+ CYCLES(CYCLES_IN_VAR);
+}
+
+static void I386OP(in_eax_dx)(void) // Opcode 0xed
+{
+ UINT16 port = REG16(DX);
+ UINT32 data = READPORT32(port);
+ REG32(EAX) = data;
+ CYCLES(CYCLES_IN);
+}
+
+static void I386OP(inc_eax)(void) // Opcode 0x40
+{
+ REG32(EAX) = INC32( REG32(EAX) );
+ CYCLES(CYCLES_INC_REG);
+}
+
+static void I386OP(inc_ecx)(void) // Opcode 0x41
+{
+ REG32(ECX) = INC32( REG32(ECX) );
+ CYCLES(CYCLES_INC_REG);
+}
+
+static void I386OP(inc_edx)(void) // Opcode 0x42
+{
+ REG32(EDX) = INC32( REG32(EDX) );
+ CYCLES(CYCLES_INC_REG);
+}
+
+static void I386OP(inc_ebx)(void) // Opcode 0x43
+{
+ REG32(EBX) = INC32( REG32(EBX) );
+ CYCLES(CYCLES_INC_REG);
+}
+
+static void I386OP(inc_esp)(void) // Opcode 0x44
+{
+ REG32(ESP) = INC32( REG32(ESP) );
+ CYCLES(CYCLES_INC_REG);
+}
+
+static void I386OP(inc_ebp)(void) // Opcode 0x45
+{
+ REG32(EBP) = INC32( REG32(EBP) );
+ CYCLES(CYCLES_INC_REG);
+}
+
+static void I386OP(inc_esi)(void) // Opcode 0x46
+{
+ REG32(ESI) = INC32( REG32(ESI) );
+ CYCLES(CYCLES_INC_REG);
+}
+
+static void I386OP(inc_edi)(void) // Opcode 0x47
+{
+ REG32(EDI) = INC32( REG32(EDI) );
+ CYCLES(CYCLES_INC_REG);
+}
+
+static void I386OP(iret32)(void) // Opcode 0xcf
+{
+ if( PROTECTED_MODE ) {
+ /* TODO: Virtual 8086-mode */
+ /* TODO: Nested task */
+ /* TODO: #SS(0) exception */
+ /* TODO: All the protection-related stuff... */
+ I.eip = POP32();
+ I.sreg[CS].selector = POP32() & 0xffff;
+ set_flags( POP32() );
+ i386_load_segment_descriptor(CS);
+ CHANGE_PC(I.eip);
+ } else {
+ /* TODO: #SS(0) exception */
+ /* TODO: #GP(0) exception */
+ I.eip = POP32();
+ I.sreg[CS].selector = POP32() & 0xffff;
+ set_flags( POP32() );
+ i386_load_segment_descriptor(CS);
+ CHANGE_PC(I.eip);
+ }
+ CYCLES(CYCLES_IRET);
+}
+
+static void I386OP(ja_rel32)(void) // Opcode 0x0f 87
+{
+ INT32 disp = FETCH32();
+ if( I.CF == 0 && I.ZF == 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jbe_rel32)(void) // Opcode 0x0f 86
+{
+ INT32 disp = FETCH32();
+ if( I.CF != 0 || I.ZF != 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jc_rel32)(void) // Opcode 0x0f 82
+{
+ INT32 disp = FETCH32();
+ if( I.CF != 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jg_rel32)(void) // Opcode 0x0f 8f
+{
+ INT32 disp = FETCH32();
+ if( I.ZF == 0 && (I.SF == I.OF) ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jge_rel32)(void) // Opcode 0x0f 8d
+{
+ INT32 disp = FETCH32();
+ if( (I.SF == I.OF) ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jl_rel32)(void) // Opcode 0x0f 8c
+{
+ INT32 disp = FETCH32();
+ if( (I.SF != I.OF) ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jle_rel32)(void) // Opcode 0x0f 8e
+{
+ INT32 disp = FETCH32();
+ if( I.ZF != 0 || (I.SF != I.OF) ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jnc_rel32)(void) // Opcode 0x0f 83
+{
+ INT32 disp = FETCH32();
+ if( I.CF == 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jno_rel32)(void) // Opcode 0x0f 81
+{
+ INT32 disp = FETCH32();
+ if( I.OF == 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jnp_rel32)(void) // Opcode 0x0f 8b
+{
+ INT32 disp = FETCH32();
+ if( I.PF == 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jns_rel32)(void) // Opcode 0x0f 89
+{
+ INT32 disp = FETCH32();
+ if( I.SF == 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jnz_rel32)(void) // Opcode 0x0f 85
+{
+ INT32 disp = FETCH32();
+ if( I.ZF == 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jo_rel32)(void) // Opcode 0x0f 80
+{
+ INT32 disp = FETCH32();
+ if( I.OF != 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jp_rel32)(void) // Opcode 0x0f 8a
+{
+ INT32 disp = FETCH32();
+ if( I.PF != 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(js_rel32)(void) // Opcode 0x0f 88
+{
+ INT32 disp = FETCH32();
+ if( I.SF != 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jz_rel32)(void) // Opcode 0x0f 84
+{
+ INT32 disp = FETCH32();
+ if( I.ZF != 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCC_FULL_DISP); /* TODO: Timing = 7 + m */
+ } else {
+ CYCLES(CYCLES_JCC_FULL_DISP_NOBRANCH);
+ }
+}
+
+static void I386OP(jcxz32)(void) // Opcode 0xe3
+{
+ INT8 disp = FETCH();
+ if( REG32(ECX) == 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JCXZ); /* TODO: Timing = 9 + m */
+ } else {
+ CYCLES(CYCLES_JCXZ_NOBRANCH);
+ }
+}
+
+static void I386OP(jmp_rel32)(void) // Opcode 0xe9
+{
+ UINT32 disp = FETCH32();
+ /* TODO: Segment limit */
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_JMP); /* TODO: Timing = 7 + m */
+}
+
+static void I386OP(jmp_abs32)(void) // Opcode 0xea
+{
+ UINT32 address = FETCH32();
+ UINT16 segment = FETCH16();
+
+ if( PROTECTED_MODE ) {
+ /* TODO: #GP */
+ /* TODO: access rights, etc. */
+ I.eip = address;
+ I.sreg[CS].selector = segment;
+ i386_load_segment_descriptor(CS);
+ CHANGE_PC(I.eip);
+ } else {
+ I.eip = address;
+ I.sreg[CS].selector = segment;
+ i386_load_segment_descriptor(CS);
+ CHANGE_PC(I.eip);
+ }
+ CYCLES(CYCLES_JMP_INTERSEG);
+}
+
+static void I386OP(lea32)(void) // Opcode 0x8d
+{
+ UINT8 modrm = FETCH();
+ UINT32 ea = GetNonTranslatedEA(modrm);
+ if (!I.address_size)
+ {
+ ea &= 0xffff;
+ }
+ STORE_REG32(modrm, ea);
+ CYCLES(CYCLES_LEA);
+}
+
+static void I386OP(leave32)(void) // Opcode 0xc9
+{
+ REG32(ESP) = REG32(EBP);
+ REG32(EBP) = POP32();
+ CYCLES(CYCLES_LEAVE);
+}
+
+static void I386OP(lodsd)(void) // Opcode 0xad
+{
+ UINT32 eas;
+ if( I.segment_prefix ) {
+ eas = i386_translate( I.segment_override, I.address_size ? REG32(ESI) : REG16(SI) );
+ } else {
+ eas = i386_translate( DS, I.address_size ? REG32(ESI) : REG16(SI) );
+ }
+ REG32(EAX) = READ32(eas);
+ BUMP_SI(4);
+ CYCLES(CYCLES_LODS);
+}
+
+static void I386OP(loop32)(void) // Opcode 0xe2
+{
+ INT8 disp = FETCH();
+ REG32(ECX)--;
+ if( REG32(ECX) != 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ }
+ CYCLES(CYCLES_LOOP); /* TODO: Timing = 11 + m */
+}
+
+static void I386OP(loopne32)(void) // Opcode 0xe0
+{
+ INT8 disp = FETCH();
+ REG32(ECX)--;
+ if( REG32(ECX) != 0 && I.ZF == 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ }
+ CYCLES(CYCLES_LOOPNZ); /* TODO: Timing = 11 + m */
+}
+
+static void I386OP(loopz32)(void) // Opcode 0xe1
+{
+ INT8 disp = FETCH();
+ REG32(ECX)--;
+ if( REG32(ECX) != 0 && I.ZF != 0 ) {
+ I.eip += disp;
+ CHANGE_PC(I.eip);
+ }
+ CYCLES(CYCLES_LOOPZ); /* TODO: Timing = 11 + m */
+}
+
+static void I386OP(mov_rm32_r32)(void) // Opcode 0x89
+{
+ UINT32 src;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm);
+ STORE_RM32(modrm, src);
+ CYCLES(CYCLES_MOV_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm);
+ WRITE32(ea, src);
+ CYCLES(CYCLES_MOV_REG_MEM);
+ }
+}
+
+static void I386OP(mov_r32_rm32)(void) // Opcode 0x8b
+{
+ UINT32 src;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOV_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOV_MEM_REG);
+ }
+}
+
+static void I386OP(mov_rm32_i32)(void) // Opcode 0xc7
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 value = FETCH32();
+ STORE_RM32(modrm, value);
+ CYCLES(CYCLES_MOV_IMM_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 value = FETCH32();
+ WRITE32(ea, value);
+ CYCLES(CYCLES_MOV_IMM_MEM);
+ }
+}
+
+static void I386OP(mov_eax_m32)(void) // Opcode 0xa1
+{
+ UINT32 offset, ea;
+ if( I.address_size ) {
+ offset = FETCH32();
+ } else {
+ offset = FETCH16();
+ }
+ if( I.segment_prefix ) {
+ ea = i386_translate( I.segment_override, offset );
+ } else {
+ ea = i386_translate( DS, offset );
+ }
+ REG32(EAX) = READ32(ea);
+ CYCLES(CYCLES_MOV_MEM_ACC);
+}
+
+static void I386OP(mov_m32_eax)(void) // Opcode 0xa3
+{
+ UINT32 offset, ea;
+ if( I.address_size ) {
+ offset = FETCH32();
+ } else {
+ offset = FETCH16();
+ }
+ if( I.segment_prefix ) {
+ ea = i386_translate( I.segment_override, offset );
+ } else {
+ ea = i386_translate( DS, offset );
+ }
+ WRITE32( ea, REG32(EAX) );
+ CYCLES(CYCLES_MOV_ACC_MEM);
+}
+
+static void I386OP(mov_eax_i32)(void) // Opcode 0xb8
+{
+ REG32(EAX) = FETCH32();
+ CYCLES(CYCLES_MOV_IMM_REG);
+}
+
+static void I386OP(mov_ecx_i32)(void) // Opcode 0xb9
+{
+ REG32(ECX) = FETCH32();
+ CYCLES(CYCLES_MOV_IMM_REG);
+}
+
+static void I386OP(mov_edx_i32)(void) // Opcode 0xba
+{
+ REG32(EDX) = FETCH32();
+ CYCLES(CYCLES_MOV_IMM_REG);
+}
+
+static void I386OP(mov_ebx_i32)(void) // Opcode 0xbb
+{
+ REG32(EBX) = FETCH32();
+ CYCLES(CYCLES_MOV_IMM_REG);
+}
+
+static void I386OP(mov_esp_i32)(void) // Opcode 0xbc
+{
+ REG32(ESP) = FETCH32();
+ CYCLES(CYCLES_MOV_IMM_REG);
+}
+
+static void I386OP(mov_ebp_i32)(void) // Opcode 0xbd
+{
+ REG32(EBP) = FETCH32();
+ CYCLES(CYCLES_MOV_IMM_REG);
+}
+
+static void I386OP(mov_esi_i32)(void) // Opcode 0xbe
+{
+ REG32(ESI) = FETCH32();
+ CYCLES(CYCLES_MOV_IMM_REG);
+}
+
+static void I386OP(mov_edi_i32)(void) // Opcode 0xbf
+{
+ REG32(EDI) = FETCH32();
+ CYCLES(CYCLES_MOV_IMM_REG);
+}
+
+static void I386OP(movsd)(void) // Opcode 0xa5
+{
+ UINT32 eas, ead, v;
+ if( I.segment_prefix ) {
+ eas = i386_translate( I.segment_override, I.address_size ? REG32(ESI) : REG16(SI) );
+ } else {
+ eas = i386_translate( DS, I.address_size ? REG32(ESI) : REG16(SI) );
+ }
+ ead = i386_translate( ES, I.address_size ? REG32(EDI) : REG16(DI) );
+ v = READ32(eas);
+ WRITE32(ead, v);
+ BUMP_SI(4);
+ BUMP_DI(4);
+ CYCLES(CYCLES_MOVS);
+}
+
+static void I386OP(movsx_r32_rm8)(void) // Opcode 0x0f be
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ INT32 src = (INT8)LOAD_RM8(modrm);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOVSX_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ INT32 src = (INT8)READ8(ea);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOVSX_MEM_REG);
+ }
+}
+
+static void I386OP(movsx_r32_rm16)(void) // Opcode 0x0f bf
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ INT32 src = (INT16)LOAD_RM16(modrm);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOVSX_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ INT32 src = (INT16)READ16(ea);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOVSX_MEM_REG);
+ }
+}
+
+static void I386OP(movzx_r32_rm8)(void) // Opcode 0x0f b6
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 src = (UINT8)LOAD_RM8(modrm);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOVZX_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 src = (UINT8)READ8(ea);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOVZX_MEM_REG);
+ }
+}
+
+static void I386OP(movzx_r32_rm16)(void) // Opcode 0x0f b7
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 src = (UINT16)LOAD_RM16(modrm);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOVZX_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 src = (UINT16)READ16(ea);
+ STORE_REG32(modrm, src);
+ CYCLES(CYCLES_MOVZX_MEM_REG);
+ }
+}
+
+static void I386OP(or_rm32_r32)(void) // Opcode 0x09
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm);
+ dst = LOAD_RM32(modrm);
+ dst = OR32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm);
+ dst = READ32(ea);
+ dst = OR32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+}
+
+static void I386OP(or_r32_rm32)(void) // Opcode 0x0b
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ dst = LOAD_REG32(modrm);
+ dst = OR32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ dst = LOAD_REG32(modrm);
+ dst = OR32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_MEM_REG);
+ }
+}
+
+static void I386OP(or_eax_i32)(void) // Opcode 0x0d
+{
+ UINT32 src, dst;
+ src = FETCH32();
+ dst = REG32(EAX);
+ dst = OR32(dst, src);
+ REG32(EAX) = dst;
+ CYCLES(CYCLES_ALU_IMM_ACC);
+}
+
+static void I386OP(out_eax_i8)(void) // Opcode 0xe7
+{
+ UINT16 port = FETCH();
+ UINT32 data = REG32(EAX);
+ WRITEPORT32(port, data);
+ CYCLES(CYCLES_OUT_VAR);
+}
+
+static void I386OP(out_eax_dx)(void) // Opcode 0xef
+{
+ UINT16 port = REG16(DX);
+ UINT32 data = REG32(EAX);
+ WRITEPORT32(port, data);
+ CYCLES(CYCLES_OUT);
+}
+
+static void I386OP(pop_eax)(void) // Opcode 0x58
+{
+ REG32(EAX) = POP32();
+ CYCLES(CYCLES_POP_REG_SHORT);
+}
+
+static void I386OP(pop_ecx)(void) // Opcode 0x59
+{
+ REG32(ECX) = POP32();
+ CYCLES(CYCLES_POP_REG_SHORT);
+}
+
+static void I386OP(pop_edx)(void) // Opcode 0x5a
+{
+ REG32(EDX) = POP32();
+ CYCLES(CYCLES_POP_REG_SHORT);
+}
+
+static void I386OP(pop_ebx)(void) // Opcode 0x5b
+{
+ REG32(EBX) = POP32();
+ CYCLES(CYCLES_POP_REG_SHORT);
+}
+
+static void I386OP(pop_esp)(void) // Opcode 0x5c
+{
+ REG32(ESP) = POP32();
+ CYCLES(CYCLES_POP_REG_SHORT);
+}
+
+static void I386OP(pop_ebp)(void) // Opcode 0x5d
+{
+ REG32(EBP) = POP32();
+ CYCLES(CYCLES_POP_REG_SHORT);
+}
+
+static void I386OP(pop_esi)(void) // Opcode 0x5e
+{
+ REG32(ESI) = POP32();
+ CYCLES(CYCLES_POP_REG_SHORT);
+}
+
+static void I386OP(pop_edi)(void) // Opcode 0x5f
+{
+ REG32(EDI) = POP32();
+ CYCLES(CYCLES_POP_REG_SHORT);
+}
+
+static void I386OP(pop_ds32)(void) // Opcode 0x1f
+{
+ I.sreg[DS].selector = POP32();
+ if( PROTECTED_MODE ) {
+ i386_load_segment_descriptor(DS);
+ } else {
+ i386_load_segment_descriptor(DS);
+ }
+ CYCLES(CYCLES_POP_SREG);
+}
+
+static void I386OP(pop_es32)(void) // Opcode 0x07
+{
+ I.sreg[ES].selector = POP32();
+ if( PROTECTED_MODE ) {
+ i386_load_segment_descriptor(ES);
+ } else {
+ i386_load_segment_descriptor(ES);
+ }
+ CYCLES(CYCLES_POP_SREG);
+}
+
+static void I386OP(pop_fs32)(void) // Opcode 0x0f a1
+{
+ I.sreg[FS].selector = POP32();
+ if( PROTECTED_MODE ) {
+ i386_load_segment_descriptor(FS);
+ } else {
+ i386_load_segment_descriptor(FS);
+ }
+ CYCLES(CYCLES_POP_SREG);
+}
+
+static void I386OP(pop_gs32)(void) // Opcode 0x0f a9
+{
+ I.sreg[GS].selector = POP32();
+ if( PROTECTED_MODE ) {
+ i386_load_segment_descriptor(GS);
+ } else {
+ i386_load_segment_descriptor(GS);
+ }
+ CYCLES(CYCLES_POP_SREG);
+}
+
+static void I386OP(pop_ss32)(void) // Opcode 0x17
+{
+ I.sreg[SS].selector = POP32();
+ if( PROTECTED_MODE ) {
+ i386_load_segment_descriptor(SS);
+ } else {
+ i386_load_segment_descriptor(SS);
+ }
+ CYCLES(CYCLES_POP_SREG);
+}
+
+static void I386OP(pop_rm32)(void) // Opcode 0x8f
+{
+ UINT8 modrm = FETCH();
+ UINT32 value = POP32();
+
+ if( modrm >= 0xc0 ) {
+ STORE_RM32(modrm, value);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ WRITE32(ea, value);
+ }
+ CYCLES(CYCLES_POP_RM);
+}
+
+static void I386OP(popad)(void) // Opcode 0x61
+{
+ REG32(EDI) = POP32();
+ REG32(ESI) = POP32();
+ REG32(EBP) = POP32();
+ REG32(ESP) += 4;
+ REG32(EBX) = POP32();
+ REG32(EDX) = POP32();
+ REG32(ECX) = POP32();
+ REG32(EAX) = POP32();
+ CYCLES(CYCLES_POPA);
+}
+
+static void I386OP(popfd)(void) // Opcode 0x9d
+{
+ UINT32 value = POP32();
+ set_flags(value);
+ CYCLES(CYCLES_POPF);
+}
+
+static void I386OP(push_eax)(void) // Opcode 0x50
+{
+ PUSH32( REG32(EAX) );
+ CYCLES(CYCLES_PUSH_REG_SHORT);
+}
+
+static void I386OP(push_ecx)(void) // Opcode 0x51
+{
+ PUSH32( REG32(ECX) );
+ CYCLES(CYCLES_PUSH_REG_SHORT);
+}
+
+static void I386OP(push_edx)(void) // Opcode 0x52
+{
+ PUSH32( REG32(EDX) );
+ CYCLES(CYCLES_PUSH_REG_SHORT);
+}
+
+static void I386OP(push_ebx)(void) // Opcode 0x53
+{
+ PUSH32( REG32(EBX) );
+ CYCLES(CYCLES_PUSH_REG_SHORT);
+}
+
+static void I386OP(push_esp)(void) // Opcode 0x54
+{
+ PUSH32( REG32(ESP) );
+ CYCLES(CYCLES_PUSH_REG_SHORT);
+}
+
+static void I386OP(push_ebp)(void) // Opcode 0x55
+{
+ PUSH32( REG32(EBP) );
+ CYCLES(CYCLES_PUSH_REG_SHORT);
+}
+
+static void I386OP(push_esi)(void) // Opcode 0x56
+{
+ PUSH32( REG32(ESI) );
+ CYCLES(CYCLES_PUSH_REG_SHORT);
+}
+
+static void I386OP(push_edi)(void) // Opcode 0x57
+{
+ PUSH32( REG32(EDI) );
+ CYCLES(CYCLES_PUSH_REG_SHORT);
+}
+
+static void I386OP(push_cs32)(void) // Opcode 0x0e
+{
+ PUSH32( I.sreg[CS].selector );
+ CYCLES(CYCLES_PUSH_SREG);
+}
+
+static void I386OP(push_ds32)(void) // Opcode 0x1e
+{
+ PUSH32( I.sreg[DS].selector );
+ CYCLES(CYCLES_PUSH_SREG);
+}
+
+static void I386OP(push_es32)(void) // Opcode 0x06
+{
+ PUSH32( I.sreg[ES].selector );
+ CYCLES(CYCLES_PUSH_SREG);
+}
+
+static void I386OP(push_fs32)(void) // Opcode 0x0f a0
+{
+ PUSH32( I.sreg[FS].selector );
+ CYCLES(CYCLES_PUSH_SREG);
+}
+
+static void I386OP(push_gs32)(void) // Opcode 0x0f a8
+{
+ PUSH32( I.sreg[GS].selector );
+ CYCLES(CYCLES_PUSH_SREG);
+}
+
+static void I386OP(push_ss32)(void) // Opcode 0x16
+{
+ PUSH32( I.sreg[SS].selector );
+ CYCLES(CYCLES_PUSH_SREG);
+}
+
+static void I386OP(push_i32)(void) // Opcode 0x68
+{
+ UINT32 value = FETCH32();
+ PUSH32(value);
+ CYCLES(CYCLES_PUSH_IMM);
+}
+
+static void I386OP(pushad)(void) // Opcode 0x60
+{
+ UINT32 temp = REG32(ESP);
+ PUSH32( REG32(EAX) );
+ PUSH32( REG32(ECX) );
+ PUSH32( REG32(EDX) );
+ PUSH32( REG32(EBX) );
+ PUSH32( temp );
+ PUSH32( REG32(EBP) );
+ PUSH32( REG32(ESI) );
+ PUSH32( REG32(EDI) );
+ CYCLES(CYCLES_PUSHA);
+}
+
+static void I386OP(pushfd)(void) // Opcode 0x9c
+{
+ PUSH32( get_flags() & 0x00fcffff );
+ CYCLES(CYCLES_PUSHF);
+}
+
+static void I386OP(ret_near32_i16)(void) // Opcode 0xc2
+{
+ INT16 disp = FETCH16();
+ I.eip = POP32();
+ REG32(ESP) += disp;
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_RET_IMM); /* TODO: Timing = 10 + m */
+}
+
+static void I386OP(ret_near32)(void) // Opcode 0xc3
+{
+ I.eip = POP32();
+ CHANGE_PC(I.eip);
+ CYCLES(CYCLES_RET); /* TODO: Timing = 10 + m */
+}
+
+static void I386OP(sbb_rm32_r32)(void) // Opcode 0x19
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm) + I.CF;
+ dst = LOAD_RM32(modrm);
+ dst = SUB32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm) + I.CF;
+ dst = READ32(ea);
+ dst = SUB32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+}
+
+static void I386OP(sbb_r32_rm32)(void) // Opcode 0x1b
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm) + I.CF;
+ dst = LOAD_REG32(modrm);
+ dst = SUB32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea) + I.CF;
+ dst = LOAD_REG32(modrm);
+ dst = SUB32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_MEM_REG);
+ }
+}
+
+static void I386OP(sbb_eax_i32)(void) // Opcode 0x1d
+{
+ UINT32 src, dst;
+ src = FETCH32() + I.CF;
+ dst = REG32(EAX);
+ dst = SUB32(dst, src);
+ REG32(EAX) = dst;
+ CYCLES(CYCLES_ALU_IMM_ACC);
+}
+
+static void I386OP(scasd)(void) // Opcode 0xaf
+{
+ UINT32 eas, src, dst;
+ eas = i386_translate( ES, I.address_size ? REG32(EDI) : REG16(DI) );
+ src = READ32(eas);
+ dst = REG32(EAX);
+ SUB32(dst, src);
+ BUMP_DI(4);
+ CYCLES(CYCLES_SCAS);
+}
+
+static void I386OP(shld32_i8)(void) // Opcode 0x0f a4
+{
+ /* TODO: Correct flags */
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT32 upper = LOAD_REG32(modrm);
+ UINT8 shift = FETCH();
+ if( shift > 31 || shift == 0 ) {
+
+ } else {
+ I.CF = (dst & (1 << (32-shift))) ? 1 : 0;
+ dst = (dst << shift) | (upper >> (32-shift));
+ SetSZPF32(dst);
+ }
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_SHLD_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT32 upper = LOAD_REG32(modrm);
+ UINT8 shift = FETCH();
+ if( shift > 31 || shift == 0 ) {
+
+ } else {
+ I.CF = (dst & (1 << (32-shift))) ? 1 : 0;
+ dst = (dst << shift) | (upper >> (32-shift));
+ SetSZPF32(dst);
+ }
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_SHLD_MEM);
+ }
+}
+
+static void I386OP(shld32_cl)(void) // Opcode 0x0f a5
+{
+ /* TODO: Correct flags */
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT32 upper = LOAD_REG32(modrm);
+ UINT8 shift = REG8(CL);
+ if( shift > 31 || shift == 0 ) {
+
+ } else {
+ I.CF = (dst & (1 << (32-shift))) ? 1 : 0;
+ dst = (dst << shift) | (upper >> (32-shift));
+ SetSZPF32(dst);
+ }
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_SHLD_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT32 upper = LOAD_REG32(modrm);
+ UINT8 shift = REG8(CL);
+ if( shift > 31 || shift == 0 ) {
+
+ } else {
+ I.CF = (dst & (1 << (32-shift))) ? 1 : 0;
+ dst = (dst << shift) | (upper >> (32-shift));
+ SetSZPF32(dst);
+ }
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_SHLD_MEM);
+ }
+}
+
+static void I386OP(shrd32_i8)(void) // Opcode 0x0f ac
+{
+ /* TODO: Correct flags */
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT32 upper = LOAD_REG32(modrm);
+ UINT8 shift = FETCH();
+ if( shift > 31 || shift == 0 ) {
+
+ } else {
+ I.CF = (dst & (1 << (shift-1))) ? 1 : 0;
+ dst = (dst >> shift) | (upper << (32-shift));
+ SetSZPF32(dst);
+ }
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_SHRD_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT32 upper = LOAD_REG32(modrm);
+ UINT8 shift = FETCH();
+ if( shift > 31 || shift == 0 ) {
+
+ } else {
+ I.CF = (dst & (1 << (shift-1))) ? 1 : 0;
+ dst = (dst >> shift) | (upper << (32-shift));
+ SetSZPF32(dst);
+ }
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_SHRD_MEM);
+ }
+}
+
+static void I386OP(shrd32_cl)(void) // Opcode 0x0f ad
+{
+ /* TODO: Correct flags */
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT32 upper = LOAD_REG32(modrm);
+ UINT8 shift = REG8(CL);
+ if( shift > 31 || shift == 0 ) {
+
+ } else {
+ I.CF = (dst & (1 << (shift-1))) ? 1 : 0;
+ dst = (dst >> shift) | (upper << (32-shift));
+ SetSZPF32(dst);
+ }
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_SHRD_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT32 upper = LOAD_REG32(modrm);
+ UINT8 shift = REG8(CL);
+ if( shift > 31 || shift == 0 ) {
+
+ } else {
+ I.CF = (dst & (1 << (shift-1))) ? 1 : 0;
+ dst = (dst >> shift) | (upper << (32-shift));
+ SetSZPF32(dst);
+ }
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_SHRD_MEM);
+ }
+}
+
+static void I386OP(stosd)(void) // Opcode 0xab
+{
+ UINT32 eas = i386_translate( ES, I.address_size ? REG32(EDI) : REG16(DI) );
+ WRITE32(eas, REG32(EAX));
+ BUMP_DI(4);
+ CYCLES(CYCLES_STOS);
+}
+
+static void I386OP(sub_rm32_r32)(void) // Opcode 0x29
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm);
+ dst = LOAD_RM32(modrm);
+ dst = SUB32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm);
+ dst = READ32(ea);
+ dst = SUB32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+}
+
+static void I386OP(sub_r32_rm32)(void) // Opcode 0x2b
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ dst = LOAD_REG32(modrm);
+ dst = SUB32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ dst = LOAD_REG32(modrm);
+ dst = SUB32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_MEM_REG);
+ }
+}
+
+static void I386OP(sub_eax_i32)(void) // Opcode 0x2d
+{
+ UINT32 src, dst;
+ src = FETCH32();
+ dst = REG32(EAX);
+ dst = SUB32(dst, src);
+ REG32(EAX) = dst;
+ CYCLES(CYCLES_ALU_IMM_ACC);
+}
+
+static void I386OP(test_eax_i32)(void) // Opcode 0xa9
+{
+ UINT32 src = FETCH32();
+ UINT32 dst = REG32(EAX);
+ dst = src & dst;
+ SetSZPF32(dst);
+ I.CF = 0;
+ I.OF = 0;
+ CYCLES(CYCLES_TEST_IMM_ACC);
+}
+
+static void I386OP(test_rm32_r32)(void) // Opcode 0x85
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm);
+ dst = LOAD_RM32(modrm);
+ dst = src & dst;
+ SetSZPF32(dst);
+ I.CF = 0;
+ I.OF = 0;
+ CYCLES(CYCLES_TEST_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm);
+ dst = READ32(ea);
+ dst = src & dst;
+ SetSZPF32(dst);
+ I.CF = 0;
+ I.OF = 0;
+ CYCLES(CYCLES_TEST_REG_MEM);
+ }
+}
+
+static void I386OP(xchg_eax_ecx)(void) // Opcode 0x91
+{
+ UINT32 temp;
+ temp = REG32(EAX);
+ REG32(EAX) = REG32(ECX);
+ REG32(ECX) = temp;
+ CYCLES(CYCLES_XCHG_REG_REG);
+}
+
+static void I386OP(xchg_eax_edx)(void) // Opcode 0x92
+{
+ UINT32 temp;
+ temp = REG32(EAX);
+ REG32(EAX) = REG32(EDX);
+ REG32(EDX) = temp;
+ CYCLES(CYCLES_XCHG_REG_REG);
+}
+
+static void I386OP(xchg_eax_ebx)(void) // Opcode 0x93
+{
+ UINT32 temp;
+ temp = REG32(EAX);
+ REG32(EAX) = REG32(EBX);
+ REG32(EBX) = temp;
+ CYCLES(CYCLES_XCHG_REG_REG);
+}
+
+static void I386OP(xchg_eax_esp)(void) // Opcode 0x94
+{
+ UINT32 temp;
+ temp = REG32(EAX);
+ REG32(EAX) = REG32(ESP);
+ REG32(ESP) = temp;
+ CYCLES(CYCLES_XCHG_REG_REG);
+}
+
+static void I386OP(xchg_eax_ebp)(void) // Opcode 0x95
+{
+ UINT32 temp;
+ temp = REG32(EAX);
+ REG32(EAX) = REG32(EBP);
+ REG32(EBP) = temp;
+ CYCLES(CYCLES_XCHG_REG_REG);
+}
+
+static void I386OP(xchg_eax_esi)(void) // Opcode 0x96
+{
+ UINT32 temp;
+ temp = REG32(EAX);
+ REG32(EAX) = REG32(ESI);
+ REG32(ESI) = temp;
+ CYCLES(CYCLES_XCHG_REG_REG);
+}
+
+static void I386OP(xchg_eax_edi)(void) // Opcode 0x97
+{
+ UINT32 temp;
+ temp = REG32(EAX);
+ REG32(EAX) = REG32(EDI);
+ REG32(EDI) = temp;
+ CYCLES(CYCLES_XCHG_REG_REG);
+}
+
+static void I386OP(xchg_r32_rm32)(void) // Opcode 0x87
+{
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ UINT32 src = LOAD_RM32(modrm);
+ UINT32 dst = LOAD_REG32(modrm);
+ STORE_REG32(modrm, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_XCHG_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 src = READ32(ea);
+ UINT32 dst = LOAD_REG32(modrm);
+ STORE_REG32(modrm, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_XCHG_REG_MEM);
+ }
+}
+
+static void I386OP(xor_rm32_r32)(void) // Opcode 0x31
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_REG32(modrm);
+ dst = LOAD_RM32(modrm);
+ dst = XOR32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = LOAD_REG32(modrm);
+ dst = READ32(ea);
+ dst = XOR32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+}
+
+static void I386OP(xor_r32_rm32)(void) // Opcode 0x33
+{
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ dst = LOAD_REG32(modrm);
+ dst = XOR32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ dst = LOAD_REG32(modrm);
+ dst = XOR32(dst, src);
+ STORE_REG32(modrm, dst);
+ CYCLES(CYCLES_ALU_MEM_REG);
+ }
+}
+
+static void I386OP(xor_eax_i32)(void) // Opcode 0x35
+{
+ UINT32 src, dst;
+ src = FETCH32();
+ dst = REG32(EAX);
+ dst = XOR32(dst, src);
+ REG32(EAX) = dst;
+ CYCLES(CYCLES_ALU_IMM_ACC);
+}
+
+
+
+static void I386OP(group81_32)(void) // Opcode 0x81
+{
+ UINT32 ea;
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+
+ switch( (modrm >> 3) & 0x7 )
+ {
+ case 0: // ADD Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = FETCH32();
+ dst = ADD32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = FETCH32();
+ dst = ADD32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 1: // OR Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = FETCH32();
+ dst = OR32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = FETCH32();
+ dst = OR32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 2: // ADC Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = FETCH32();
+ src = ADD32(src, I.CF);
+ dst = ADD32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = FETCH32();
+ src = ADD32(src, I.CF);
+ dst = ADD32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 3: // SBB Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = FETCH32() + I.CF;
+ dst = SUB32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = FETCH32() + I.CF;
+ dst = SUB32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 4: // AND Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = FETCH32();
+ dst = AND32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = FETCH32();
+ dst = AND32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 5: // SUB Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = FETCH32();
+ dst = SUB32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = FETCH32();
+ dst = SUB32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 6: // XOR Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = FETCH32();
+ dst = XOR32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = FETCH32();
+ dst = XOR32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 7: // CMP Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = FETCH32();
+ SUB32(dst, src);
+ CYCLES(CYCLES_CMP_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = FETCH32();
+ SUB32(dst, src);
+ CYCLES(CYCLES_CMP_REG_MEM);
+ }
+ break;
+ }
+}
+
+static void I386OP(group83_32)(void) // Opcode 0x83
+{
+ UINT32 ea;
+ UINT32 src, dst;
+ UINT8 modrm = FETCH();
+
+ switch( (modrm >> 3) & 0x7 )
+ {
+ case 0: // ADD Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = ADD32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = ADD32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 1: // OR Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = OR32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = OR32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 2: // ADC Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ src = ADD32(src, I.CF);
+ dst = ADD32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ src = ADD32(src, I.CF);
+ dst = ADD32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 3: // SBB Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = ((UINT32)(INT32)(INT8)FETCH()) + I.CF;
+ dst = SUB32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = ((UINT32)(INT32)(INT8)FETCH()) + I.CF;
+ dst = SUB32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 4: // AND Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = AND32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = AND32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 5: // SUB Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = SUB32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = SUB32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 6: // XOR Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = XOR32(dst, src);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_ALU_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ dst = XOR32(dst, src);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_ALU_REG_MEM);
+ }
+ break;
+ case 7: // CMP Rm32, i32
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ SUB32(dst, src);
+ CYCLES(CYCLES_CMP_REG_REG);
+ } else {
+ ea = GetEA(modrm);
+ dst = READ32(ea);
+ src = (UINT32)(INT32)(INT8)FETCH();
+ SUB32(dst, src);
+ CYCLES(CYCLES_CMP_REG_MEM);
+ }
+ break;
+ }
+}
+
+static void I386OP(groupC1_32)(void) // Opcode 0xc1
+{
+ UINT32 dst;
+ UINT8 modrm = FETCH();
+ UINT8 shift;
+
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ shift = FETCH() & 0x1f;
+ dst = i386_shift_rotate32(modrm, dst, shift);
+ STORE_RM32(modrm, dst);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ dst = READ32(ea);
+ shift = FETCH() & 0x1f;
+ dst = i386_shift_rotate32(modrm, dst, shift);
+ WRITE32(ea, dst);
+ }
+}
+
+static void I386OP(groupD1_32)(void) // Opcode 0xd1
+{
+ UINT32 dst;
+ UINT8 modrm = FETCH();
+
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ dst = i386_shift_rotate32(modrm, dst, 1);
+ STORE_RM32(modrm, dst);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ dst = READ32(ea);
+ dst = i386_shift_rotate32(modrm, dst, 1);
+ WRITE32(ea, dst);
+ }
+}
+
+static void I386OP(groupD3_32)(void) // Opcode 0xd3
+{
+ UINT32 dst;
+ UINT8 modrm = FETCH();
+
+ if( modrm >= 0xc0 ) {
+ dst = LOAD_RM32(modrm);
+ dst = i386_shift_rotate32(modrm, dst, REG8(CL));
+ STORE_RM32(modrm, dst);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ dst = READ32(ea);
+ dst = i386_shift_rotate32(modrm, dst, REG8(CL));
+ WRITE32(ea, dst);
+ }
+}
+
+static void I386OP(groupF7_32)(void) // Opcode 0xf7
+{
+ UINT8 modrm = FETCH();
+
+ switch( (modrm >> 3) & 0x7 )
+ {
+ case 0: /* TEST Rm32, i32 */
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT32 src = FETCH32();
+ dst &= src;
+ I.CF = I.OF = I.AF = 0;
+ SetSZPF32(dst);
+ CYCLES(CYCLES_TEST_IMM_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT32 src = FETCH32();
+ dst &= src;
+ I.CF = I.OF = I.AF = 0;
+ SetSZPF32(dst);
+ CYCLES(CYCLES_TEST_IMM_MEM);
+ }
+ break;
+ case 2: /* NOT Rm32 */
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ dst = ~dst;
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_NOT_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ dst = ~dst;
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_NOT_MEM);
+ }
+ break;
+ case 3: /* NEG Rm32 */
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ dst = SUB32( 0, dst );
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_NEG_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ dst = SUB32( 0, dst );
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_NEG_MEM);
+ }
+ break;
+ case 4: /* MUL EAX, Rm32 */
+ {
+ UINT64 result;
+ UINT32 src, dst;
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ CYCLES(CYCLES_MUL32_ACC_REG); /* TODO: Correct multiply timing */
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ CYCLES(CYCLES_MUL32_ACC_MEM); /* TODO: Correct multiply timing */
+ }
+
+ dst = REG32(EAX);
+ result = (UINT64)src * (UINT64)dst;
+ REG32(EDX) = (UINT32)(result >> 32);
+ REG32(EAX) = (UINT32)result;
+
+ I.CF = I.OF = (REG32(EDX) != 0);
+ }
+ break;
+ case 5: /* IMUL EAX, Rm32 */
+ {
+ INT64 result;
+ INT64 src, dst;
+ if( modrm >= 0xc0 ) {
+ src = (INT64)(INT32)LOAD_RM32(modrm);
+ CYCLES(CYCLES_IMUL32_ACC_REG); /* TODO: Correct multiply timing */
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = (INT64)(INT32)READ32(ea);
+ CYCLES(CYCLES_IMUL32_ACC_MEM); /* TODO: Correct multiply timing */
+ }
+
+ dst = (INT64)(INT32)REG32(EAX);
+ result = src * dst;
+
+ REG32(EDX) = (UINT32)(result >> 32);
+ REG32(EAX) = (UINT32)result;
+
+ I.CF = I.OF = !(result == (INT64)(INT32)result);
+ }
+ break;
+ case 6: /* DIV EAX, Rm32 */
+ {
+ UINT64 quotient, remainder, result;
+ UINT32 src;
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ CYCLES(CYCLES_DIV32_ACC_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ CYCLES(CYCLES_DIV32_ACC_MEM);
+ }
+
+ quotient = ((UINT64)(REG32(EDX)) << 32) | (UINT64)(REG32(EAX));
+ if( src ) {
+ remainder = quotient % (UINT64)src;
+ result = quotient / (UINT64)src;
+ if( result > 0xffffffff ) {
+ /* TODO: Divide error */
+ } else {
+ REG32(EDX) = (UINT32)remainder;
+ REG32(EAX) = (UINT32)result;
+ }
+ } else {
+ /* TODO: Divide by zero */
+ }
+ }
+ break;
+ case 7: /* IDIV EAX, Rm32 */
+ {
+ INT64 quotient, remainder, result;
+ UINT32 src;
+ if( modrm >= 0xc0 ) {
+ src = LOAD_RM32(modrm);
+ CYCLES(CYCLES_IDIV32_ACC_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ src = READ32(ea);
+ CYCLES(CYCLES_IDIV32_ACC_MEM);
+ }
+
+ quotient = (((INT64)REG32(EDX)) << 32) | ((UINT64)REG32(EAX));
+ if( src ) {
+ remainder = quotient % (INT64)(INT32)src;
+ result = quotient / (INT64)(INT32)src;
+ if( result > 0xffffffff ) {
+ /* TODO: Divide error */
+ } else {
+ REG32(EDX) = (UINT32)remainder;
+ REG32(EAX) = (UINT32)result;
+ }
+ } else {
+ /* TODO: Divide by zero */
+ }
+ }
+ break;
+ }
+}
+
+static void I386OP(groupFF_32)(void) // Opcode 0xff
+{
+ UINT8 modrm = FETCH();
+
+ switch( (modrm >> 3) & 0x7 )
+ {
+ case 0: /* INC Rm32 */
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ dst = INC32(dst);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_INC_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ dst = INC32(dst);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_INC_MEM);
+ }
+ break;
+ case 1: /* DEC Rm32 */
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ dst = DEC32(dst);
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_DEC_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ dst = DEC32(dst);
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_DEC_MEM);
+ }
+ break;
+ case 2: /* CALL Rm32 */
+ {
+ UINT32 address;
+ if( modrm >= 0xc0 ) {
+ address = LOAD_RM32(modrm);
+ CYCLES(CYCLES_CALL_REG); /* TODO: Timing = 7 + m */
+ } else {
+ UINT32 ea = GetEA(modrm);
+ address = READ32(ea);
+ CYCLES(CYCLES_CALL_MEM); /* TODO: Timing = 10 + m */
+ }
+ PUSH32( I.eip );
+ I.eip = address;
+ CHANGE_PC(I.eip);
+ }
+ break;
+ case 3: /* CALL FAR Rm32 */
+ {
+ UINT16 selector;
+ UINT32 address;
+ if( modrm >= 0xc0 ) {
+ fatalerror("NYI");
+ } else {
+ UINT32 ea = GetEA(modrm);
+ address = READ32(ea + 0);
+ selector = READ16(ea + 4);
+ CYCLES(CYCLES_CALL_MEM_INTERSEG); /* TODO: Timing = 10 + m */
+ }
+ PUSH32( I.sreg[CS].selector );
+ PUSH32( I.eip );
+ I.sreg[CS].selector = selector;
+ I.performed_intersegment_jump = 1;
+ i386_load_segment_descriptor( CS );
+ I.eip = address;
+ CHANGE_PC(I.eip);
+ }
+ break;
+ case 4: /* JMP Rm32 */
+ {
+ UINT32 address;
+ if( modrm >= 0xc0 ) {
+ address = LOAD_RM32(modrm);
+ CYCLES(CYCLES_JMP_REG); /* TODO: Timing = 7 + m */
+ } else {
+ UINT32 ea = GetEA(modrm);
+ address = READ32(ea);
+ CYCLES(CYCLES_JMP_MEM); /* TODO: Timing = 10 + m */
+ }
+ I.eip = address;
+ CHANGE_PC(I.eip);
+ }
+ break;
+ case 5: /* JMP FAR Rm32 */
+ {
+ UINT16 selector;
+ UINT32 address;
+ if( modrm >= 0xc0 ) {
+ fatalerror("NYI");
+ } else {
+ UINT32 ea = GetEA(modrm);
+ address = READ32(ea + 0);
+ selector = READ16(ea + 4);
+ CYCLES(CYCLES_JMP_MEM_INTERSEG); /* TODO: Timing = 10 + m */
+ }
+ I.sreg[CS].selector = selector;
+ I.performed_intersegment_jump = 1;
+ i386_load_segment_descriptor( CS );
+ I.eip = address;
+ CHANGE_PC(I.eip);
+ }
+ break;
+ case 6: /* PUSH Rm32 */
+ {
+ UINT32 value;
+ if( modrm >= 0xc0 ) {
+ value = LOAD_RM32(modrm);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ value = READ32(ea);
+ }
+ PUSH32(value);
+ CYCLES(CYCLES_PUSH_RM);
+ }
+ break;
+ default:
+ fatalerror("i386: groupFF_32 /%d unimplemented at %08X", (modrm >> 3) & 0x7, I.pc-2);
+ break;
+ }
+}
+
+static void I386OP(group0F00_32)(void) // Opcode 0x0f 00
+{
+ UINT32 address, ea;
+ UINT8 modrm = FETCH();
+
+ switch( (modrm >> 3) & 0x7 )
+ {
+ case 2: /* LLDT */
+ if ( PROTECTED_MODE && !V8086_MODE )
+ {
+ if( modrm >= 0xc0 ) {
+ address = LOAD_RM32(modrm);
+ ea = i386_translate( CS, address );
+ CYCLES(CYCLES_LLDT_REG);
+ } else {
+ ea = GetEA(modrm);
+ CYCLES(CYCLES_LLDT_MEM);
+ }
+ I.ldtr.segment = READ32(ea);
+ }
+ else
+ {
+ i386_trap(6, 0);
+ }
+ break;
+
+ case 3: /* LTR */
+ if ( PROTECTED_MODE && !V8086_MODE )
+ {
+ if( modrm >= 0xc0 ) {
+ address = LOAD_RM32(modrm);
+ ea = i386_translate( CS, address );
+ CYCLES(CYCLES_LTR_REG);
+ } else {
+ ea = GetEA(modrm);
+ CYCLES(CYCLES_LTR_MEM);
+ }
+ I.task.segment = READ32(ea);
+ }
+ else
+ {
+ i386_trap(6, 0);
+ }
+ break;
+
+ default:
+ fatalerror("i386: group0F00_32 /%d unimplemented", (modrm >> 3) & 0x7);
+ break;
+ }
+}
+
+static void I386OP(group0F01_32)(void) // Opcode 0x0f 01
+{
+ UINT8 modrm = FETCH();
+ UINT32 address, ea;
+
+ switch( (modrm >> 3) & 0x7 )
+ {
+ case 0: /* SGDT */
+ {
+ if( modrm >= 0xc0 ) {
+ address = LOAD_RM32(modrm);
+ ea = i386_translate( CS, address );
+ } else {
+ ea = GetEA(modrm);
+ }
+ WRITE16(ea, I.gdtr.limit);
+ WRITE32(ea + 2, I.gdtr.base);
+ CYCLES(CYCLES_SGDT);
+ break;
+ }
+ case 1: /* SIDT */
+ {
+ if (modrm >= 0xc0)
+ {
+ address = LOAD_RM32(modrm);
+ ea = i386_translate( CS, address );
+ }
+ else
+ {
+ ea = GetEA(modrm);
+ }
+ WRITE16(ea, I.idtr.limit);
+ WRITE32(ea + 2, I.idtr.base);
+ CYCLES(CYCLES_SIDT);
+ break;
+ }
+ case 2: /* LGDT */
+ {
+ if( modrm >= 0xc0 ) {
+ address = LOAD_RM32(modrm);
+ ea = i386_translate( CS, address );
+ } else {
+ ea = GetEA(modrm);
+ }
+ I.gdtr.limit = READ16(ea);
+ I.gdtr.base = READ32(ea + 2);
+ CYCLES(CYCLES_LGDT);
+ break;
+ }
+ case 3: /* LIDT */
+ {
+ if( modrm >= 0xc0 ) {
+ address = LOAD_RM32(modrm);
+ ea = i386_translate( CS, address );
+ } else {
+ ea = GetEA(modrm);
+ }
+ I.idtr.limit = READ16(ea);
+ I.idtr.base = READ32(ea + 2);
+ CYCLES(CYCLES_LIDT);
+ break;
+ }
+ default:
+ fatalerror("i386: unimplemented opcode 0x0f 01 /%d at %08X", (modrm >> 3) & 0x7, I.eip - 2);
+ break;
+ }
+}
+
+static void I386OP(group0FBA_32)(void) // Opcode 0x0f ba
+{
+ UINT8 modrm = FETCH();
+
+ switch( (modrm >> 3) & 0x7 )
+ {
+ case 4: /* BT Rm32, i8 */
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT8 bit = FETCH();
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+
+ CYCLES(CYCLES_BT_IMM_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT8 bit = FETCH();
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+
+ CYCLES(CYCLES_BT_IMM_MEM);
+ }
+ break;
+ case 5: /* BTS Rm32, i8 */
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT8 bit = FETCH();
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst |= (1 << bit);
+
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_BTS_IMM_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT8 bit = FETCH();
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst |= (1 << bit);
+
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_BTS_IMM_MEM);
+ }
+ break;
+ case 6: /* BTR Rm32, i8 */
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT8 bit = FETCH();
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst &= ~(1 << bit);
+
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_BTR_IMM_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT8 bit = FETCH();
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst &= ~(1 << bit);
+
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_BTR_IMM_MEM);
+ }
+ break;
+ case 7: /* BTC Rm32, i8 */
+ if( modrm >= 0xc0 ) {
+ UINT32 dst = LOAD_RM32(modrm);
+ UINT8 bit = FETCH();
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst ^= (1 << bit);
+
+ STORE_RM32(modrm, dst);
+ CYCLES(CYCLES_BTC_IMM_REG);
+ } else {
+ UINT32 ea = GetEA(modrm);
+ UINT32 dst = READ32(ea);
+ UINT8 bit = FETCH();
+
+ if( dst & (1 << bit) )
+ I.CF = 1;
+ else
+ I.CF = 0;
+ dst ^= (1 << bit);
+
+ WRITE32(ea, dst);
+ CYCLES(CYCLES_BTC_IMM_MEM);
+ }
+ break;
+ default:
+ fatalerror("i386: group0FBA_32 /%d unknown", (modrm >> 3) & 0x7);
+ break;
+ }
+}
+
+static void I386OP(bound_r32_m32_m32)(void) // Opcode 0x62
+{
+ UINT8 modrm;
+ INT32 val, low, high;
+
+ modrm = FETCH();
+
+ if (modrm >= 0xc0)
+ {
+ low = high = LOAD_RM32(modrm);
+ }
+ else
+ {
+ UINT32 ea = GetEA(modrm);
+ low = READ32(ea + 0);
+ high = READ32(ea + 4);
+ }
+ val = LOAD_REG32(modrm);
+
+ if ((val < low) || (val > high))
+ {
+ CYCLES(CYCLES_BOUND_OUT_RANGE);
+ i386_trap(5, 0);
+ }
+ else
+ {
+ CYCLES(CYCLES_BOUND_IN_RANGE);
+ }
+}
+
+static void I386OP(retf32)(void) // Opcode 0xcb
+{
+ I.eip = POP32();
+ I.sreg[CS].selector = POP32();
+ i386_load_segment_descriptor( CS );
+ CHANGE_PC(I.eip);
+
+ CYCLES(CYCLES_RET_INTERSEG);
+}
+
+static void I386OP(retf_i32)(void) // Opcode 0xca
+{
+ UINT16 count = FETCH16();
+
+ I.eip = POP32();
+ I.sreg[CS].selector = POP32();
+ i386_load_segment_descriptor( CS );
+ CHANGE_PC(I.eip);
+
+ REG32(ESP) += count;
+ CYCLES(CYCLES_RET_IMM_INTERSEG);
+}
+
+static void I386OP(xlat32)(void) // Opcode 0xd7
+{
+ UINT32 ea;
+ if( I.segment_prefix ) {
+ ea = i386_translate( I.segment_override, REG32(EBX) + REG8(AL) );
+ } else {
+ ea = i386_translate( DS, REG32(EBX) + REG8(AL) );
+ }
+ REG8(AL) = READ8(ea);
+ CYCLES(CYCLES_XLAT);
+}
+
+static void I386OP(load_far_pointer32)(int s)
+{
+ UINT8 modrm = FETCH();
+
+ if( modrm >= 0xc0 ) {
+ fatalerror("NYI");
+ } else {
+ UINT32 ea = GetEA(modrm);
+ STORE_REG32(modrm, READ32(ea + 0));
+ I.sreg[s].selector = READ16(ea + 4);
+ i386_load_segment_descriptor( s );
+ }
+}
+
+static void I386OP(lds32)(void) // Opcode 0xc5
+{
+ I386OP(load_far_pointer32)(DS);
+ CYCLES(CYCLES_LDS);
+}
+
+static void I386OP(lss32)(void) // Opcode 0x0f 0xb2
+{
+ I386OP(load_far_pointer32)(SS);
+ CYCLES(CYCLES_LSS);
+}
+
+static void I386OP(les32)(void) // Opcode 0xc4
+{
+ I386OP(load_far_pointer16)(ES);
+ CYCLES(CYCLES_LES);
+}
+
+static void I386OP(lfs32)(void) // Opcode 0x0f 0xb4
+{
+ I386OP(load_far_pointer16)(FS);
+ CYCLES(CYCLES_LFS);
+}
+
+static void I386OP(lgs32)(void) // Opcode 0x0f 0xb5
+{
+ I386OP(load_far_pointer32)(GS);
+ CYCLES(CYCLES_LGS);
+}