MOVE

4 files changed, 28 insertions, 4 deletions

diff --git a/luac.out b/luac.out
index 1c971ab..eb528fa 100644
--- a/luac.out
+++ b/luac.out
diff --git a/sandbox/helloworld.lua b/sandbox/helloworld.lua
deleted file mode 100644
index 7785fb9..0000000
--- a/sandbox/helloworld.lua
+++ /dev/null
@@ -1 +0,0 @@
-local a = "hello world"
diff --git a/src/lvm.js b/src/lvm.js
index 7a65d74..964abe7 100644
--- a/src/lvm.js
+++ b/src/lvm.js
@@ -42,11 +42,10 @@ class LuaVM {
 
             let i = ci.savedpc[ci.pcOff++];
             let ra = this.RA(base, i.A);
-
-            console.log(OC.OpCodes[i.opcode]);
+            
             switch (OC.OpCodes[i.opcode]) {
                 case "OP_MOVE":
-                    L.stack[ra] = RB(base, i.opcode, i.B);
+                    L.stack[ra] = L.stack[this.RB(base, i.opcode, i.B)];
                     break;
                 case "OP_LOADK":
                     L.stack[ra] = k[i.Bx];
@@ -131,6 +130,8 @@ class LuaVM {
                     }
                     L.ci = ci.previous;
 
+                    // TODO what to return when end of program ?
+                    console.log(L.stack);
                     if (L.ci === null) return;
 
                     if (i.B !== 0) L.top = ci.top;
diff --git a/tests/lvm.js b/tests/lvm.js
index 6ee348d..ffd128d 100644
--- a/tests/lvm.js
+++ b/tests/lvm.js
@@ -63,4 +63,28 @@ test('LOADK, RETURN', function (t) {
         "hello world",
         "Program output is correct"
     );
+});
+
+
+test('MOV', function (t) {
+    let luaCode = `
+        local a = "hello world"
+        local b = a
+        return b
+    `, vm;
+    
+    t.plan(1);
+
+    t.comment("Running following code: \n" + luaCode);
+
+    // t.doesNotThrow(function () {
+        vm = getVM(luaCode);
+        vm.execute();
+    // }, "Program executed without errors");
+
+    t.strictEqual(
+        vm.L.stack[0].value,
+        "hello world",
+        "Program output is correct"
+    );
 });
\ No newline at end of file