[ros-diffs] [aandrejevic] 60492: [SOFT386] Implement the (undocumented) opcode SALC.

Author: aandrejevic
Date: Tue Oct  1 15:02:07 2013
New Revision: 60492

URL: http://svn.reactos.org/svn/reactos?rev=60492&view=rev
Log:
[SOFT386]
Implement the (undocumented) opcode SALC.


Modified:
    branches/ntvdm/lib/soft386/opcodes.c
    branches/ntvdm/lib/soft386/opcodes.h

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] Tue Oct  1 15:02:07 2013
@@ -253,7 +253,7 @@
     Soft386OpcodeGroupD3,
     Soft386OpcodeAam,
     Soft386OpcodeAad,
-    NULL, // TODO: OPCODE 0xD6 NOT SUPPORTED
+    Soft386OpcodeSalc,
     Soft386OpcodeXlat,
     NULL, // TODO: OPCODE 0xD8 NOT SUPPORTED
     NULL, // TODO: OPCODE 0xD9 NOT SUPPORTED
@@ -5588,3 +5588,21 @@
                                   sizeof(USHORT));
     }
 }
+
+SOFT386_OPCODE_HANDLER(Soft386OpcodeSalc)
+{
+    /* Make sure this is the right instruction */
+    ASSERT(Opcode == 0xD6);
+
+    if (State->PrefixFlags & SOFT386_PREFIX_LOCK)
+    {
+        /* Invalid prefix */
+        Soft386Exception(State, SOFT386_EXCEPTION_UD);
+        return FALSE;
+    }
+
+    /* Set all the bits of AL to CF */
+    State->GeneralRegs[SOFT386_REG_EAX].LowByte = State->Flags.Cf ? 0xFF : 0x00;
+
+    return TRUE;
+}

Modified: branches/ntvdm/lib/soft386/opcodes.h
URL:
http://svn.reactos.org/svn/reactos/branches/ntvdm/lib/soft386/opcodes.h?rev…
==============================================================================
--- branches/ntvdm/lib/soft386/opcodes.h	[iso-8859-1] (original)
+++ branches/ntvdm/lib/soft386/opcodes.h	[iso-8859-1] Tue Oct  1 15:02:07 2013
@@ -147,5 +147,6 @@
 SOFT386_OPCODE_HANDLER(Soft386OpcodeMovEaxOffset);
 SOFT386_OPCODE_HANDLER(Soft386OpcodeMovOffsetAl);
 SOFT386_OPCODE_HANDLER(Soft386OpcodeMovOffsetEax);
+SOFT386_OPCODE_HANDLER(Soft386OpcodeSalc);
 
 #endif // _OPCODES_H_