From c42c0bcf2217e2756811955c6cebb81c869cd3b8 Mon Sep 17 00:00:00 2001
From: Yohan Boujon <yo.boujon@gmail.com>
Date: Mon, 20 Nov 2023 12:13:42 +0100
Subject: [PATCH] Added instruction COPY, Commenting the idea for COPY in CPU

---
 src/cpu.vhd                | 3 +++
 src/instruction_memory.vhd | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/cpu.vhd b/src/cpu.vhd
index 7f67e10..0ad4f6c 100644
--- a/src/cpu.vhd
+++ b/src/cpu.vhd
@@ -110,10 +110,13 @@ begin
                 li_A <= inst(23 downto 16);
                 li_B <= inst(15 downto 8);
                 li_C <= inst(7 downto 0);
+                -- In this case, copy the content of li_A directly to di_A (just the idea)
                 --case li_OP is
                     -- AFC
                     --when => X"06" =>
 
+                -- In this case, put the content in memory_register_inst and get QA in di_A (just the idea)
+                    --when => X"05" =>
                 --end case
                 PC <= PC+'1';
             end if;
diff --git a/src/instruction_memory.vhd b/src/instruction_memory.vhd
index 31b21cf..d6eaff8 100644
--- a/src/instruction_memory.vhd
+++ b/src/instruction_memory.vhd
@@ -23,7 +23,8 @@ entity instruction is
         for i in code_array'range loop
             init_result(i) := std_logic_vector(conv_unsigned(0, 32));
         end loop;
-        init_result(0) := X"06010C00";
+        init_result(0) := X"06010C00"; -- AFC 0x0c to R01
+        init_result(1) := X"05000100"; -- COPY R01 to R00
         return init_result;
     end function init;
 end instruction;