test & fix indirection & predecrement

1 files changed, 5 insertions, 4 deletions

diff --git a/src/vm/core.js b/src/vm/core.js
index 074e156..6303ee5 100644
--- a/src/vm/core.js
+++ b/src/vm/core.js
@@ -31,13 +31,13 @@ class Core {
 				return this.normalize(pc, address.value);
 			case AddrMode.Indirect: {
 				let loc = this.normalize(pc, address.value);
-				let b = this.data[loc];
+				let b = this.data[loc].b.value;
 				return this.normalize(loc, b);
 			}
 			case AddrMode.Predecrement: {
 				let loc = this.normalize(pc, address.value);
-				this.data[loc].b -= 1;
-				let b = this.data[loc].b;
+				this.data[loc].b.value -= 1;
+				let b = this.data[loc].b.value;
 				return this.normalize(loc, b);
 			}
 			default:
@@ -46,7 +46,8 @@ class Core {
 	}
 
 	getValue(pc, address) {
-		return this.data[this.getLocation(pc, address)];
+		const index = this.getLocation(pc, address);
+		return this.data[index];
 	}
 }