Mercurial > ljs / changeset

--- a/lvm.js	Sun May 23 17:31:41 2010 +0100
+++ b/lvm.js	Sun May 23 17:31:57 2010 +0100
@@ -11,6 +11,8 @@
 var OP_SETTABLE = 9;
 var OP_NEWTABLE = 10;
 var OP_SELF = 11;
+var OP_JMP = 22;
+var OP_TEST = 26;
 var OP_CALL = 28;
 var OP_RETURN = 30;
 var OP_FORLOOP = 31;
@@ -428,6 +430,15 @@
 					this.frame.reg[A+3].value = RA.value;
 				}
 				break;
+			case OP_TEST:
+				var RA = this.frame.reg[INS_A(instruction)];
+				var RA_bool = RA.type == "nil" || (RA.type == "boolean" && RA.value == false);
+				if(RA_bool == (INS_C(instruction)!=0))
+					this.frame.pc++;
+				break;
+			case OP_JMP:
+				this.frame.pc+=INS_sBx(instruction);
+				break;
 			default:
 				throw "Unhandled opcode: "+INS_OPCODE(instruction);
 			}