From 64d33d2582c219e00b6c1f7573501ee713da0967 Mon Sep 17 00:00:00 2001
From: Rutherther <rutherther@proton.me>
Date: Sat, 28 Oct 2023 18:54:36 +0200
Subject: [PATCH] feat: add program memory

---
 src/program_memory.sv | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 src/program_memory.sv

diff --git a/src/program_memory.sv b/src/program_memory.sv
new file mode 100755
index 0000000000000000000000000000000000000000..d7fbfbd905ccbaa40ed7e55121678b60529c414b
--- /dev/null
+++ b/src/program_memory.sv
@@ -0,0 +1,15 @@
+module program_memory
+(
+  input [WIDTH - 1:0] addr,
+  output [31:0] instruction
+);
+  parameter WIDTH = 12;
+  parameter MEM_SIZE = 1 << (WIDTH - 2) - 1;
+
+  reg [31:0] imem[0:MEM_SIZE];
+
+  initial $readmemh("memfile.dat", imem);
+
+  assign instruction = imem[addr[WIDTH - 1:2]];
+
+endmodule;