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[FAST486]

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Don't mix up ADSIZE and OPSIZE (continued).


svn path=/branches/ntvdm/; revision=60927
This commit is contained in:
Aleksandar Andrejevic 2013-11-10 23:42:57 +00:00
parent a2f3c339f4
commit 9677ec13ad
1 changed files with 49 additions and 20 deletions
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69
lib/fast486/opcodes.c
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@ -5133,15 +5133,15 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeJmpAbs)
FAST486_OPCODE_HANDLER(Fast486OpcodeMovAlOffset)
{
BOOLEAN Size = State->SegmentRegs[FAST486_REG_CS].Size;
BOOLEAN AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
ULONG Offset;
/* Make sure this is the right instruction */
ASSERT(Opcode == 0xA0);
TOGGLE_OPSIZE(Size);
TOGGLE_ADSIZE(AddressSize);
if (Size)
if (AddressSize)
{
if (!Fast486FetchDword(State, &Offset))
{
@ -5174,14 +5174,17 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeMovAlOffset)
FAST486_OPCODE_HANDLER(Fast486OpcodeMovEaxOffset)
{
BOOLEAN Size = State->SegmentRegs[FAST486_REG_CS].Size;
BOOLEAN OperandSize, AddressSize;
OperandSize = AddressSize = State->SegmentRegs[FAST486_REG_CS].Size;
/* Make sure this is the right instruction */
ASSERT(Opcode == 0xA1);
TOGGLE_OPSIZE(Size);
TOGGLE_OPSIZE(OperandSize);
TOGGLE_ADSIZE(AddressSize);
if (Size)
if (AddressSize)
{
ULONG Offset;
@ -5192,13 +5195,26 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeMovEaxOffset)
}
/* Read from memory */
return Fast486ReadMemory(State,
(State->PrefixFlags & FAST486_PREFIX_SEG) ?
State->SegmentOverride : FAST486_REG_DS,
Offset,
FALSE,
&State->GeneralRegs[FAST486_REG_EAX].Long,
sizeof(ULONG));
if (OperandSize)
{
return Fast486ReadMemory(State,
(State->PrefixFlags & FAST486_PREFIX_SEG) ?
State->SegmentOverride : FAST486_REG_DS,
Offset,
FALSE,
&State->GeneralRegs[FAST486_REG_EAX].Long,
sizeof(ULONG));
}
else
{
return Fast486ReadMemory(State,
(State->PrefixFlags & FAST486_PREFIX_SEG) ?
State->SegmentOverride : FAST486_REG_DS,
Offset,
FALSE,
&State->GeneralRegs[FAST486_REG_EAX].LowWord,
sizeof(USHORT));
}
}
else
{
@ -5211,13 +5227,26 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeMovEaxOffset)
}
/* Read from memory */
return Fast486ReadMemory(State,
(State->PrefixFlags & FAST486_PREFIX_SEG) ?
State->SegmentOverride : FAST486_REG_DS,
Offset,
FALSE,
&State->GeneralRegs[FAST486_REG_EAX].LowWord,
sizeof(USHORT));
if (OperandSize)
{
return Fast486ReadMemory(State,
(State->PrefixFlags & FAST486_PREFIX_SEG) ?
State->SegmentOverride : FAST486_REG_DS,
Offset,
FALSE,
&State->GeneralRegs[FAST486_REG_EAX].Long,
sizeof(ULONG));
}
else
{
return Fast486ReadMemory(State,
(State->PrefixFlags & FAST486_PREFIX_SEG) ?
State->SegmentOverride : FAST486_REG_DS,
Offset,
FALSE,
&State->GeneralRegs[FAST486_REG_EAX].LowWord,
sizeof(USHORT));
}
}
}