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[FAST486]
The FPU function number is actually just the REG component of a mod-reg-r/m byte. svn path=/branches/ntvdm/; revision=62346
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@ -35,10 +35,11 @@
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeD8)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeD8)
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{
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{
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UCHAR Function;
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FAST486_MOD_REG_RM ModRegRm;
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BOOLEAN AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
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/* Fetch the function number */
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/* Get the operands */
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if (!Fast486FetchByte(State, &Function))
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if (!Fast486ParseModRegRm(State, AddressSize, &ModRegRm))
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{
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{
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/* Exception occurred */
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/* Exception occurred */
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return FALSE;
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return FALSE;
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@ -59,10 +60,11 @@ FAST486_OPCODE_HANDLER(Fast486FpuOpcodeD8)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeD9)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeD9)
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{
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{
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UCHAR Function;
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FAST486_MOD_REG_RM ModRegRm;
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BOOLEAN AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
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/* Fetch the function number */
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/* Get the operands */
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if (!Fast486FetchByte(State, &Function))
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if (!Fast486ParseModRegRm(State, AddressSize, &ModRegRm))
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{
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{
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/* Exception occurred */
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/* Exception occurred */
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return FALSE;
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return FALSE;
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@ -83,10 +85,11 @@ FAST486_OPCODE_HANDLER(Fast486FpuOpcodeD9)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDA)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDA)
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{
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{
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UCHAR Function;
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FAST486_MOD_REG_RM ModRegRm;
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BOOLEAN AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
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/* Fetch the function number */
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/* Get the operands */
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if (!Fast486FetchByte(State, &Function))
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if (!Fast486ParseModRegRm(State, AddressSize, &ModRegRm))
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{
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{
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/* Exception occurred */
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/* Exception occurred */
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return FALSE;
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return FALSE;
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@ -107,10 +110,11 @@ FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDA)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDB)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDB)
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{
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{
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UCHAR Function;
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FAST486_MOD_REG_RM ModRegRm;
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BOOLEAN AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
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/* Fetch the function number */
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/* Get the operands */
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if (!Fast486FetchByte(State, &Function))
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if (!Fast486ParseModRegRm(State, AddressSize, &ModRegRm))
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{
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{
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/* Exception occurred */
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/* Exception occurred */
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return FALSE;
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return FALSE;
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@ -131,10 +135,11 @@ FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDB)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDC)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDC)
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{
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{
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UCHAR Function;
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FAST486_MOD_REG_RM ModRegRm;
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BOOLEAN AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
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/* Fetch the function number */
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/* Get the operands */
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if (!Fast486FetchByte(State, &Function))
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if (!Fast486ParseModRegRm(State, AddressSize, &ModRegRm))
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{
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{
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/* Exception occurred */
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/* Exception occurred */
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return FALSE;
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return FALSE;
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@ -155,10 +160,11 @@ FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDC)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDD)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDD)
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{
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{
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UCHAR Function;
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FAST486_MOD_REG_RM ModRegRm;
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BOOLEAN AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
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/* Fetch the function number */
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/* Get the operands */
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if (!Fast486FetchByte(State, &Function))
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if (!Fast486ParseModRegRm(State, AddressSize, &ModRegRm))
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{
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{
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/* Exception occurred */
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/* Exception occurred */
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return FALSE;
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return FALSE;
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@ -179,10 +185,11 @@ FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDD)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDE)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDE)
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{
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{
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UCHAR Function;
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FAST486_MOD_REG_RM ModRegRm;
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BOOLEAN AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
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/* Fetch the function number */
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/* Get the operands */
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if (!Fast486FetchByte(State, &Function))
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if (!Fast486ParseModRegRm(State, AddressSize, &ModRegRm))
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{
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{
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/* Exception occurred */
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/* Exception occurred */
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return FALSE;
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return FALSE;
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@ -203,10 +210,11 @@ FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDE)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDF)
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FAST486_OPCODE_HANDLER(Fast486FpuOpcodeDF)
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{
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{
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UCHAR Function;
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FAST486_MOD_REG_RM ModRegRm;
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BOOLEAN AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
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/* Fetch the function number */
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/* Get the operands */
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if (!Fast486FetchByte(State, &Function))
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if (!Fast486ParseModRegRm(State, AddressSize, &ModRegRm))
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{
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{
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/* Exception occurred */
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/* Exception occurred */
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return FALSE;
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return FALSE;
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