pc thing

1 files changed, 11 insertions, 0 deletions

diff --git a/instructions/jnzr.ts b/instructions/jnzr.ts
new file mode 100644
index 0000000..00f1569
--- /dev/null
+++ b/instructions/jnzr.ts
@@ -0,0 +1,11 @@
+import { PC } from "../pc.ts";
+
+export default {
+    function(this: PC, [reg1, reg2]: number[]) {
+        const r1 = this.lib.parseReg(reg1)
+        const r2 = this.lib.parseReg(reg2)
+        if (this.registers[r1] == 0) return;
+        this.programPointer = this.registers[r2] - 1
+    },
+    args: 2
+}
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