Author: aandrejevic
Date: Fri Oct 11 20:48:19 2013
New Revision: 60620
URL:
http://svn.reactos.org/svn/reactos?rev=60620&view=rev
Log:
[SOFT386]
Fix prefix handling.
Modified:
branches/ntvdm/lib/soft386/opcodes.c
Modified: branches/ntvdm/lib/soft386/opcodes.c
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/soft386/opcodes.c?rev…
==============================================================================
--- branches/ntvdm/lib/soft386/opcodes.c [iso-8859-1] (original)
+++ branches/ntvdm/lib/soft386/opcodes.c [iso-8859-1] Fri Oct 11 20:48:19 2013
@@ -466,12 +466,13 @@
ULONG Value;
BOOLEAN Size = State->SegmentRegs[SOFT386_REG_CS].Size;
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
}
- else if (State->PrefixFlags != 0)
+
+ if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);
@@ -509,12 +510,13 @@
ULONG Value;
BOOLEAN Size = State->SegmentRegs[SOFT386_REG_CS].Size;
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
}
- else if (State->PrefixFlags != 0)
+
+ if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);
@@ -618,12 +620,13 @@
INT Reg = Opcode & 0x07;
BOOLEAN Size = State->SegmentRegs[SOFT386_REG_CS].Size;
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
}
- else if (State->PrefixFlags != 0)
+
+ if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);
@@ -974,12 +977,13 @@
/* Make sure this is the right instruction */
ASSERT((Opcode & 0xF7) == 0xE5);
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
}
- else if (State->PrefixFlags != 0)
+
+ if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);
@@ -1073,12 +1077,13 @@
/* Make sure this is the right instruction */
ASSERT((Opcode & 0xF7) == 0xE7);
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
}
- else if (State->PrefixFlags != 0)
+
+ if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);
@@ -4533,12 +4538,13 @@
/* Make sure this is the right instruction */
ASSERT(Opcode == 0x98);
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
}
- else if (State->PrefixFlags != 0)
+
+ if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);
@@ -4573,12 +4579,13 @@
/* Make sure this is the right instruction */
ASSERT(Opcode == 0x99);
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
}
- else if (State->PrefixFlags != 0)
+
+ if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);
@@ -4825,7 +4832,7 @@
return FALSE;
}
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
@@ -5538,7 +5545,7 @@
return FALSE;
}
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
@@ -5570,12 +5577,13 @@
/* Make sure this is the right instruction */
ASSERT(Opcode == 0xE8);
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
}
- else if (State->PrefixFlags != 0)
+
+ if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);
@@ -5635,12 +5643,13 @@
/* Make sure this is the right instruction */
ASSERT(Opcode == 0xE9);
- if (State->PrefixFlags == SOFT386_PREFIX_OPSIZE)
+ if (State->PrefixFlags & SOFT386_PREFIX_OPSIZE)
{
/* The OPSIZE prefix toggles the size */
Size = !Size;
}
- else if (State->PrefixFlags != 0)
+
+ if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
{
/* Invalid prefix */
Soft386Exception(State, SOFT386_EXCEPTION_UD);