SCI: Fix sign in disasm of relative jumps

scummvm · Jun 12, 2011 · 4296ac6 · 4296ac6
1 parent 50176e7
commit 4296ac6
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/engines/sci/engine/scriptdebug.cpp b/engines/sci/engine/scriptdebug.cpp
@@ -174,13 +174,15 @@ reg_t disassemble(EngineState *s, reg_t pos, bool printBWTag, bool printBytecode
 			break;
 
 		case Script_SRelative:
-			if (opsize)
-				param_value = scr[retval.offset++];
+			if (opsize) {
+				int8 offset = (int8)scr[retval.offset++];
+				debugN(" %02x  [%04x]", 0xff & offset, 0xffff & (retval.offset + offset));
+			}
 			else {
-				param_value = READ_SCI11ENDIAN_UINT16(&scr[retval.offset]);
+				int16 offset = (int16)READ_SCI11ENDIAN_UINT16(&scr[retval.offset]);
 				retval.offset += 2;
+				debugN(" %04x  [%04x]", 0xffff & offset, 0xffff & (retval.offset + offset));
 			}
-			debugN(opsize ? " %02x  [%04x]" : " %04x  [%04x]", param_value, (0xffff) & (retval.offset + param_value));
 			break;
 
 		case Script_End: