# HG changeset patch
# User Matthew Wild <mwild1@gmail.com>
# Date 1290375427 0
# Node ID 5318bb31b0ac511975fd024b28ae6331727303a8
# Parent  cb1ef8a51da46d786fa3bd2d5fbdc3a1061b9f45
Implement OP_MOD, OP_POW, OP_UNM, OP_NOT (no metamethods yet)

diff -r cb1ef8a51da4 -r 5318bb31b0ac lvm.js
--- a/lvm.js	Sun Nov 21 21:36:26 2010 +0000
+++ b/lvm.js	Sun Nov 21 21:37:07 2010 +0000
@@ -15,10 +15,10 @@
 var OP_SUB = 13;
 var OP_MUL = 14;
 var OP_DIV = 15;
-//var OP_MOD = 16;
-//var OP_POW = 17;
-//var OP_UNM = 18;
-//var OP_NOT = 19;
+var OP_MOD = 16;
+var OP_POW = 17;
+var OP_UNM = 18;
+var OP_NOT = 19;
 //VAR OP_LEN = 20;
 var OP_CONCAT = 21;
 var OP_JMP = 22;
@@ -630,6 +630,24 @@
 				var RC = RK(frame, INS_C(instruction));
 				frame.reg[INS_A(instruction)] = new LValue(this, "number", RB.value / RC.value);
 				break;
+			case OP_MOD:
+				var RB = RK(frame, INS_B(instruction));
+				var RC = RK(frame, INS_C(instruction));
+				frame.reg[INS_A(instruction)] = new LValue(this, "number", RB.value % RC.value);
+				break;
+			case OP_POW:
+				var RB = RK(frame, INS_B(instruction));
+				var RC = RK(frame, INS_C(instruction));
+				frame.reg[INS_A(instruction)] = new LValue(this, "number", Math.pow(RB.value, RC.value));
+				break;
+			case OP_UNM:
+				var RB = frame.reg[INS_B(instruction)];
+				frame.reg[INS_A(instruction)] = new LValue(this, "number", -RB.value);
+				break;
+			case OP_NOT:
+				var RB = frame.reg[INS_B(instruction)];
+				frame.reg[INS_A(instruction)] = new LValue(this, "boolean", !RB.truth());
+				break;
 			case OP_EQ:
 				var A = INS_A(instruction);
 				var RB = RK(frame, INS_B(instruction));