From 3f6b5e337b282bd8675a97e048e267e6f90ccec6 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Mon, 17 Oct 2022 17:54:53 -0700
Subject: Clean up address handling and change autoinc to preincrement

---
 isa/checker.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'isa/checker.cpp')

diff --git a/isa/checker.cpp b/isa/checker.cpp
index 7bca5c9..770d9d6 100644
--- a/isa/checker.cpp
+++ b/isa/checker.cpp
@@ -17,8 +17,10 @@ void checker::execute() {
 
     if (inst.need_indirect_load) {
         auto addr = mem.fetch(inst.init_address.value());
-        if (inst.need_autoinc_store)
-            mem.store(*inst.init_address, (addr + 1) & 07777);
+        if (inst.need_autoinc_store) {
+            addr = (addr + 1) & 07777;
+            mem.store(*inst.init_address, addr);
+        }
         inst.final_address = addr;
     } else {
         assert(!inst.need_autoinc_store);
-- 
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