1 files changed, 11 insertions, 1 deletions

diff --git a/vm.d b/vm.d
index 45f3742..cc2b9ae 100644
--- a/vm.d
+++ b/vm.d
@@ -261,13 +261,23 @@ class VM {
                 case OpCode.OP_JUMP_IF_FALSE:
                     uint offset = readShort();
                     if (!isBoolean(peekA(0))) {
-                        writeln("if expects a boolean condition");
+                        writeln("expecting a boolean condition");
                         return InterpretResult.RUNTIME_ERROR; // TODO error
                     }
                     if (!asBoolean(peekA(0))) {
                         ip += offset;
                     }
                     break;
+                case OpCode.OP_JUMP_IF_TRUE:
+                    uint offset = readShort();
+                    if (!isBoolean(peekA(0))) {
+                        writeln("expecting a boolean condition");
+                        return InterpretResult.RUNTIME_ERROR; // TODO error
+                    }
+                    if (asBoolean(peekA(0))) {
+                        ip += offset;
+                    }
+                    break;
                 default:
                     writeln("unknown opcode to run");
                     break;