bootromfun: laut modelsim werden die instruktionen ins RAM geschrieben, aber ...

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

diff --git a/cpu/src/rom_b.vhd b/cpu/src/rom_b.vhd
index e45f7de9f73940945cec80df26e826962668b138..492c5a63fde6117239c477e07e08014a9547d62a 100644 (file)
--- a/cpu/src/rom_b.vhd
+++ b/cpu/src/rom_b.vhd
@@ -132,41 +132,46 @@ begin
        when "0000110" => data_out <= x"ed210120"; -- ldi r4, 0x2024 
        when "0000111" => data_out <= x"ed280018"; -- ldi r5, 3
        when "0001000" => data_out <= x"e7aa0000"; -- stw r5, 0(r4)
-       when "0001001" => data_out <= x"eb7ffb83"; -- br+ start
-       when "0001010" => data_out <= x"ed4101b8"; -- ldi r8, 0x2037 
-       when "0001011" => data_out <= x"ed4901d8"; -- ldi r9, 0x203b 
+       -- when "0001001" => data_out <= x"eb7ffb83"; -- br+ start
+       when "0001010" => data_out <= x"ed4101a0"; -- ldi r8, 0x2034 
+       when "0001011" => data_out <= x"ed4901c0"; -- ldi r9, 0x2038 
        when "0001100" => data_out <= x"e4555000"; -- xor r10, r10, r10
-       when "0001101" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
-       when "0001110" => data_out <= x"e4555000"; -- xor r10, r10, r10
-       when "0001111" => data_out <= x"ed5739c8"; -- ldi r10, 0xe739
-       when "0010000" => data_out <= x"e5554000"; -- lls r10, r10, 16
-       when "0010001" => data_out <= x"e7d48000"; -- stw r10, 0(r9)
-       when "0010010" => data_out <= x"e4555000"; -- xor r10, r10, r10
-       when "0010011" => data_out <= x"ed500008"; -- ldi r10, 1
-       when "0010100" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
-       when "0010101" => data_out <= x"e4555000"; -- xor r10, r10, r10
-       when "0010110" => data_out <= x"ed573dc8"; -- ldi r10, 0xe7b9
-       when "0010111" => data_out <= x"e5552000"; -- lls r10, r10, 8
-       when "0011000" => data_out <= x"e1550400"; -- addi r10, r10, 0x80
-       when "0011001" => data_out <= x"e5552000"; -- lls r10, r10, 8
-       when "0011010" => data_out <= x"e7d48000"; -- stw r10, 0(r9)
-       when "0011011" => data_out <= x"e4555000"; -- xor r10, r10, r10
-       when "0011100" => data_out <= x"ed500010"; -- ldi r10, 2
-       when "0011101" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
-       when "0011110" => data_out <= x"e4555000"; -- xor r10, r10, r10
-       when "0011111" => data_out <= x"ed573dc0"; -- ldi r10, 0xe7b8
-       when "0100000" => data_out <= x"e5552000"; -- lls r10, r10, 8
-       when "0100001" => data_out <= x"e1550400"; -- addi r10, r10, 0x80
-       when "0100010" => data_out <= x"e5552000"; -- lls r10, r10, 8
-       when "0100011" => data_out <= x"e7d48000"; -- stw r10, 0(r9)
-       when "0100100" => data_out <= x"e4555000"; -- xor r10, r10, r10
-       when "0100101" => data_out <= x"ed500018"; -- ldi r10, 3
-       when "0100110" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
-       when "0100111" => data_out <= x"e4555000"; -- xor r10, r10, r10
-       when "0101000" => data_out <= x"ed575800"; -- ldi r10, 0xeb00
-       when "0101001" => data_out <= x"e5554000"; -- lls r10, r10, 16
-       when "0101010" => data_out <= x"e1550040"; -- addi r10, r10, 0x8
-       when "0101011" => data_out <= x"e7d48000"; -- stw r10, 0(r9)
+       when "0001101" => data_out <= x"e45dd800"; -- xor r11, r11, r11
+       when "0001110" => data_out <= x"ed500400"; -- ldi r10, 0x80
+       when "0001111" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
+       when "0010000" => data_out <= x"ed580c18"; -- ldi r11, 0x0183
+       when "0010001" => data_out <= x"ed5f5802"; -- ldih r11, 0xeb00
+       when "0010010" => data_out <= x"e7dc8000"; -- stw r11, 0(r9)
+       when "0010011" => data_out <= x"e4555000"; -- xor r10, r10, r10
+       when "0010100" => data_out <= x"ed500408"; -- ldi r10, 0x81
+       when "0010101" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
+       when "0010110" => data_out <= x"ed580838"; -- ldi r11, 0x107
+       when "0010111" => data_out <= x"ed5f5802"; -- ldih r11, 0xeb00
+       when "0011000" => data_out <= x"e7dc8000"; -- stw r11, 0(r9)
+       when "0011001" => data_out <= x"e4555000"; -- xor r10, r10, r10
+       when "0011010" => data_out <= x"ed500410"; -- ldi r10, 0x82
+       when "0011011" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
+       when "0011100" => data_out <= x"ed580040"; -- ldi r11, 0x8
+       when "0011101" => data_out <= x"ed5f5802"; -- ldih r11, 0xeb00
+       when "0011110" => data_out <= x"e7dc8000"; -- stw r11, 0(r9)
+       when "0011111" => data_out <= x"e4555000"; -- xor r10, r10, r10
+       when "0100000" => data_out <= x"ed500418"; -- ldi r10, 0x83
+       when "0100001" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
+       when "0100010" => data_out <= x"ed580000"; -- ldi r11, 0x0
+       when "0100011" => data_out <= x"ed5f5802"; -- ldih r11, 0xeb00
+       when "0100100" => data_out <= x"e7dc8000"; -- stw r11, 0(r9)
+       when "0100101" => data_out <= x"e4555000"; -- xor r10, r10, r10
+       when "0100110" => data_out <= x"ed500420"; -- ldi r10, 0x84
+       when "0100111" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
+       when "0101000" => data_out <= x"ed5c0000"; -- ldi r11, 0x8000
+       when "0101001" => data_out <= x"ed5f3dc2"; -- ldih r11, 0xe7b8
+       when "0101010" => data_out <= x"e7dc8000"; -- stw r11, 0(r9)
+       when "0101011" => data_out <= x"e4555000"; -- xor r10, r10, r10
+       when "0101100" => data_out <= x"ed500428"; -- ldi r10, 0x85
+       when "0101101" => data_out <= x"e7d40000"; -- stw r10, 0(r8)
+       when "0101110" => data_out <= x"ed580018"; -- ldi r11, 0x3
+       when "0101111" => data_out <= x"ed5f5802"; -- ldih r11, 0xeb00
+       when "0110000" => data_out <= x"e7dc8000"; -- stw r11, 0(r9)
        -- just nop until rom end!
        when others => data_out <= x"fd000000";
                        end case;