From 15323007750e0f0f7c36a6a6fa01ad1d303a4a16 Mon Sep 17 00:00:00 2001
From: sanine-a <sanine.not@pm.me>
Date: Tue, 23 May 2023 14:53:53 -0500
Subject: implement basic vm runner

---
 src/vm/core.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'src/vm/core.js')

diff --git a/src/vm/core.js b/src/vm/core.js
index a8fbce7..6363a60 100644
--- a/src/vm/core.js
+++ b/src/vm/core.js
@@ -133,6 +133,21 @@ class Core {
 		const index = this.getLocation(pc, address);
 		return this.data[index];
 	}
+
+
+	pretty(ins) {
+		const prettyMode = {
+			'immediate':    '#',
+			'direct':       ' ',
+			'indirect':     '@',
+			'predecrement': '<',
+		};
+
+		return `\
+${ins.opcode} \
+${prettyMode[ins.a.mode]}${ins.a.value}, \
+${prettyMode[ins.b.mode]}${ins.b.value}`;
+	}
 }
 
 
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