fix 'movec pcr,d0' not throwing exception on 68020 (fixes WHDload 18.3)

rsn8887 · Jan 13, 2018 · 9fc7025 · 9fc7025
1 parent 5351eef
commit 9fc7025
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/m68k/fame/famec_opcodes.h b/src/m68k/fame/famec_opcodes.h
@@ -21537,6 +21537,10 @@ OPCODE(0x4E7A)
     EXECUTE_EXCEPTION(M68K_PRIVILEGE_VIOLATION_EX,6);
 
   FETCH_WORD(src);
+
+  if ((src & 0x0FFF) == 3 || ((src & 0x07FF) >= 4 && (src & 0x0FFF) != 0x804))
+    EXECUTE_EXCEPTION(M68K_ILLEGAL_INSTRUCTION_EX,6);
+
   MOVEC2(src & 0x0FFF, src >> 12);
 	RET(6)
 }