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[SOFT386]

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Implement the PUSHF instruction.


svn path=/branches/ntvdm/; revision=60261
This commit is contained in:
Aleksandar Andrejevic 2013-09-21 02:33:01 +00:00
parent 6a2d76ab68
commit 60a7ff2e92
1 changed files with 25 additions and 3 deletions
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28
lib/soft386/opcodes.c
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@ -4132,10 +4132,32 @@ SOFT386_OPCODE_HANDLER(Soft386OpcodeWait)
SOFT386_OPCODE_HANDLER(Soft386OpcodePushFlags)
{
// TODO: NOT IMPLEMENTED
UNIMPLEMENTED;
BOOLEAN Size = State->SegmentRegs[SOFT386_REG_CS].Size;
return FALSE;
if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);
return FALSE;
}
if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* This OPSIZE prefix toggles the size */
Size = !Size;
}
/* Check for VM86 mode when IOPL is not 3 */
if (State->Flags.Vm && (State->Flags.Iopl != 3))
{
/* Call the VM86 monitor */
Soft386ExceptionWithErrorCode(State, SOFT386_EXCEPTION_GP, 0);
return FALSE;
}
/* Push the flags */
if (Size) return Soft386StackPush(State, State->Flags.Long);
else return Soft386StackPush(State, LOWORD(State->Flags.Long));
}
SOFT386_OPCODE_HANDLER(Soft386OpcodePopFlags)