From 32dab1dcf0f70af7e987a4532724d6e055533764 Mon Sep 17 00:00:00 2001
From: uvok
Date: Thu, 22 Jan 2026 19:19:44 +0100
Subject: Put instructions into std::vector

---
 eater_cpu/cpp/Veater_computer__main.cpp | 30 ++++++++++++++++++++----------
 1 file changed, 20 insertions(+), 10 deletions(-)

(limited to 'eater_cpu')

diff --git a/eater_cpu/cpp/Veater_computer__main.cpp b/eater_cpu/cpp/Veater_computer__main.cpp
index b986029..c415454 100644
--- a/eater_cpu/cpp/Veater_computer__main.cpp
+++ b/eater_cpu/cpp/Veater_computer__main.cpp
@@ -10,20 +10,30 @@
 #include "verilated_fst_c.h"
 
 #include "simpc_ui.h"
+#include <algorithm>
+#include <vector>
 
 //======================
 
 void load_program(const std::unique_ptr<Veater_computer> &topp) {
-  // LDA 14
-  topp->eater_computer->RAM->r_datastore[0] = 0x1e;
-  // ADD 15
-  topp->eater_computer->RAM->r_datastore[1] = 0x2f;
-  // OUT
-  topp->eater_computer->RAM->r_datastore[2] = 0xe0;
-  // NOP
-  topp->eater_computer->RAM->r_datastore[3] = 0x00;
-  // HALT
-  topp->eater_computer->RAM->r_datastore[4] = 0xf0;
+  std::vector<uint8_t> instructions
+      //
+      {// LDA 14
+       0x1e,
+       // ADD 15
+       0x2f,
+       // SUB 13
+       0x3d,
+       // OUT
+       0xe0,
+       // NOP
+       0x00,
+       // HALT
+       0xf0};
+  std::copy(instructions.begin(), instructions.end(),
+            &topp->eater_computer->RAM->r_datastore[0]);
+  // Data @ 13
+  topp->eater_computer->RAM->r_datastore[13] = 1;
   // Data @ 14
   topp->eater_computer->RAM->r_datastore[14] = 14;
   // Data @ 15
-- 
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