From 10021fb57a6f924a85142c58372df7ad8a2970bf Mon Sep 17 00:00:00 2001
From: uvok
Date: Fri, 2 Jan 2026 20:30:57 +0100
Subject: id testbench

---
 nandgame/instruction_decode_tb.sv | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

(limited to 'nandgame')

diff --git a/nandgame/instruction_decode_tb.sv b/nandgame/instruction_decode_tb.sv
index 8f5cfc6..b272f13 100644
--- a/nandgame/instruction_decode_tb.sv
+++ b/nandgame/instruction_decode_tb.sv
@@ -29,18 +29,22 @@ initial begin
   $dumpfile(filename); $dumpvars();
 end
 
+`define TB_CHECK(result, expected) assert(result == expected) else $error("Expected %x, got %x", expected, result);
+
 initial begin
-  #10
+  #1
   tst_instruction = 0;
   tst_data_A = 0;
   tst_data_D = 0;
   tst_data_pA = 0;
+
+  #1
+  `TB_CHECK(tst_result, 0);
+  `TB_CHECK(tst_destination_A, 1);
+  `TB_CHECK(tst_destination_D, 0);
+  `TB_CHECK(tst_destination_pA, 0);
+  `TB_CHECK(tst_should_jump, 0);
   #1
-  assert(tst_result==0);
-  assert(tst_destination_A == 0);
-  assert(tst_destination_D == 0);
-  assert(tst_destination_pA == 0);
-  assert(tst_should_jump == 0);
   $finish();
 end
 
-- 
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