instruction memory progammer: is in and works in simulations

[calu.git] / cpu / src / rom_b.vhd

diff --git a/cpu/src/rom_b.vhd b/cpu/src/rom_b.vhd
index d7b5da1fb29500f6a855b0d8615828b8cf2c63ba..d57a959d978f9f9d60ac5bf1cc79a49a36423ad9 100644 (file)
--- a/cpu/src/rom_b.vhd
+++ b/cpu/src/rom_b.vhd
@@ -124,23 +124,35 @@ begin
 --                             when "00000001000" => data_out <= x"e7280004";
 --                     --      when "00000001001" => data_out <= x"eb7ffb81";
 
-                               when "0000000" => data_out <= "11101011000000000000010000000010";
-                               when "0000001" => data_out <= "11101011000000000001000000000110";
-                               when "0000010" => data_out <= x"eb000008";
+                       --      when "0000000" => data_out <= "11101011000000000000010000000010";
+                       --      when "0000001" => data_out <= "11101011000000000001000000000110";
+                       --      when "0000010" => data_out <= x"eb000008";
 
-                               when "0001000" => data_out <= x"ed090058";
-                               when "0001001" => data_out <= x"ed110060";
-                               when "0001010" => data_out <= x"ed190080";
-                               when "0001011" => data_out <= x"ed210120";
-                               when "0001100" => data_out <= x"ed280018";
-                               when "0001101" => data_out <= x"e7aa0000";
+                       --      when "0001000" => data_out <= x"ed090058";
+                       --      when "0001001" => data_out <= x"ed110060";
+                       --      when "0001010" => data_out <= x"ed190080";
+                       --      when "0001011" => data_out <= x"ed210120";
+                       --      when "0001100" => data_out <= x"ed280018";
+                       --      when "0001101" => data_out <= x"e7aa0000";
 
                        --      when "0100000" => data_out <= x"f7aa0000";
-                               when "0100001" => data_out <= x"e7390000";
-                               when "0100010" => data_out <= x"e13b8008";
-                               when "0100011" => data_out <= x"e7b98000";
-                               when "0100100" => data_out <= x"e7b88000";
-                               when "0100101" => data_out <= x"eb000008";
+                       --      when "0100001" => data_out <= x"e7390000";
+                       --      when "0100010" => data_out <= x"e13b8008";
+                       --      when "0100011" => data_out <= x"e7b98000";
+                       --      when "0100100" => data_out <= x"e7b88000";
+                       --      when "0100101" => data_out <= x"eb000008";
+
+       when "0000000" => data_out <= x"eb000281";--br 5;;
+       when "0000001" => data_out <= "11101011000000000001000000000110";
+       when "0000010" => data_out <= x"eb000008";
+
+when "0000101" => data_out <= x"ed0101b8";--ldi r0, 0x2037;;
+when "0000110" => data_out <= x"ed0901d8";--ldi r1, 0x203b;;
+when "0000111" => data_out <= x"ed100020";--ldi r2, 4;;
+when "0001000" => data_out <= x"ed180028";--ldi r3, 5;;
+when "0001001" => data_out <= x"e7900000";--stw r2, 0(r0);;
+when "0001010" => data_out <= x"e7988000";--stw r3, 0(r1);;
+
 
                                when others => data_out <=    "11101011000000000000000000000010";