architecture behaviour of rom is
- subtype RAM_ENTRY_TYPE is std_logic_vector(DATA_WIDTH -1 downto 0);
- type RAM_TYPE is array (0 to (2**ADDR_WIDTH)-1) of RAM_ENTRY_TYPE;
-
- -- r0 = 0, r1 = 1, r2 = 3, r3 = A
-
- signal rrrr_addr : std_logic_vector(31 downto 0);
+ signal vsim_bug : std_logic_vector(31 downto 0);
begin
process(clk)
-- data_out <= ram(to_integer(UNSIGNED(rd_addr)));
- case rrrr_addr(10 downto 0) is
+ --case rrrr_addr(10 downto 0) is
+ case vsim_bug(6 downto 0) is
+ -- fibonacci
+-- when "00000000000" => data_out <= "11101101000000000000000000000000"; --
+-- when "00000000001" => data_out <= "11101101001000000000000000000000"; --
+-- when "00000000010" => data_out <= "11100111101000000000000000000000"; --
+--
+-- when "00000000011" => data_out <= "11100001000000000000000000100001"; --
+-- when "00000000100" => data_out <= "11101100100000000000001100000000"; --
+-- when "00000000101" => data_out <= "00001011011111111111111010000011"; --
+--
+-- when "00000000110" => data_out <= "11101101000000000000000000001000"; --
+-- when "00000000111" => data_out <= "11100111100000000000000000001111"; --
+-- when "00000001000" => data_out <= "11100111100000000000000000010011"; -- --
+--
+--
+-- when "00000001001" => data_out <= x"ed080048"; --x"ed080048"; --
+-- when "00000001010" => data_out <= x"ed500080"; --
+-- when "00000001011" => data_out <= x"fd500002"; --
+-- when "00000001100" => data_out <= x"eb000107";
+-- when "00000001101" => data_out <= "11101011000000000000011010000010"; --"11101011000000000000000000000010";
+--
+-- when "00000001110" => data_out <= x"e5088800";
+-- when "00000001111" => data_out <= x"e0150800";
+-- when "00000010000" => data_out <= x"e7010000";
+-- when "00000010001" => data_out <= x"ec800000";
+-- when "00000010010" => data_out <= x"0b000008";
+-- when "00000010011" => data_out <= x"e1910020";
+-- when "00000010100" => data_out <= x"eb7ffe07";
+-- when "00000010101" => data_out <= x"e7197ffc";
+-- when "00000010110" => data_out <= x"e0018000";
+--
+-- when "00000010111" => data_out <= x"e1110020";
+-- when "00000011000" => data_out <= x"e7810000";
+-- when "00000011001" => data_out <= x"eb00000a";
+--
+--
+-- when "00000011010" => data_out <= x"ed290080";
+-- when "00000011011" => data_out <= x"e1080000";
+--
+-- when "00000011100" => data_out <= x"e78a8000";
+--
+-- when "00000011101" => data_out <= x"ed510058";
+-- when "00000011110" => data_out <= x"e7850000";
- when "00000000000" => data_out <= "11101101000000000000000000000000"; --
- when "00000000001" => data_out <= "11101101001000000000000000000000"; --
- when "00000000010" => data_out <= "11100111101000000000000000000000"; --
-
- when "00000000011" => data_out <= "11100001000000000000000000100001"; --
- when "00000000100" => data_out <= "11101100100000000000001100000000"; --
- when "00000000101" => data_out <= "00001011011111111111111010000011"; --
-
- when "00000000110" => data_out <= "11101101000000000000000000001000"; --
- when "00000000111" => data_out <= "11100111100000000000000000001111"; --
- when "00000001000" => data_out <= "11100111100000000000000000010011"; -- --
+ -- uart echo
-
- when "00000001001" => data_out <= x"ed080080"; --x"ed080048"; --
- when "00000001010" => data_out <= x"ed500080"; --
- when "00000001011" => data_out <= x"fd500002"; --
- when "00000001100" => data_out <= x"eb000107";
- when "00000001101" => data_out <= "11101011000000000000011010000010"; --"11101011000000000000000000000010";
-
- when "00000001110" => data_out <= x"e5088800";
- when "00000001111" => data_out <= x"e0150800";
- when "00000010000" => data_out <= x"e7010000";
- when "00000010001" => data_out <= x"ec800000";
- when "00000010010" => data_out <= x"0b000008";
- when "00000010011" => data_out <= x"e1910020";
- when "00000010100" => data_out <= x"eb7ffe07";
- when "00000010101" => data_out <= x"e7197ffc";
- when "00000010110" => data_out <= x"e0018000";
+--1;00000000;ed010058;ldi r0, 0x200B;;
+--1;00000004;ed090060;ldi r1, 0x200C;;
+--1;00000008;ed110080;ldi r2, 0x2010;;
+--1;0000000c;e7188000;ldw r3, 0(r1);;
+--1;00000010;ec1a0000;cmp r3, r4;;
+--1;00000014;1b7ffd81;breq 0;;
+--1;00000018;e7980000;stw r3, 0(r0);;
+--1;0000001c;e7990000;stw r3, 0(r2);;
+--1;00000020;e1218000;addi r4, r3, 0;;
+--1;00000024;eb7ffb81;br 0;;
+
+-- when "0000000" => data_out <= x"ed010058";
+-- when "0000001" => data_out <= x"ed090060";
+-- when "0000010" => data_out <= x"ed110080"; --x"e7188000"; f
+-- when "0000011" => data_out <= x"e7188000"; --x"ec1a0000";
+-- when "0000100" => data_out <= x"ec1a0000";
+-- when "0000101" => data_out <= x"1b7ffe01";
+-- when "0000110" => data_out <= x"e7990000"; -- f
+-- when "0000111" => data_out <= x"e7980000";
+-- when "0001000" => data_out <= x"e1218000";
+-- when "0001001" => data_out <= x"eb7ffb81";
- when "00000010111" => data_out <= x"e1110020";
- when "00000011000" => data_out <= x"e7810000";
- when "00000011001" => data_out <= x"eb00000a";
-
-
- when "00000011010" => data_out <= x"ed290080";
- when "00000011011" => data_out <= x"e1080000";
+--1;00000000;ed010058;ldi r0, 0x200B;;;
+--1;00000004;ed090060;ldi r1, 0x200C;;;
+--1;00000008;ed110080;ldi r2, 0x2010;;;
+--1;0000000c;ed390078;ldi r7, 0x200F;;;
+--1;00000010;ed480012;ldih r9, 0x0002;;;
+--1;00000014;e7438000;ldw r8, 0(r7);;;
+--1;00000018;e254c000;and r10, r9, r8;;;
+--1;0000001c;07188000;ldwnz r3, 0(r1);;;
+--1;00000020;07980000;stwnz r3, 0(r0);;;
+--1;00000024;07990000;stwnz r3, 0(r2);;;
+--1;00000028;eb7ffb01;br 0;;;
- when "00000011100" => data_out <= x"e78a8000";
-
- when others => data_out <= "11101011000000000000000000000010";
+--uart test:
+-- when "0000000" => data_out <= x"ed010058";
+-- when "0000001" => data_out <= x"ed090060";
+-- when "0000010" => data_out <= x"ed110080"; --x"e7188000"; f
+-- when "0000011" => data_out <= x"ed390000"; --x"ec1a0000";
+-- when "0000100" => data_out <= x"ed480012";
+-- when "0000101" => data_out <= x"e7438000";
+-- when "0000110" => data_out <= x"e254c000"; -- f
+-- when "0000111" => data_out <= x"07188000";
+-- when "0001000" => data_out <= x"07980000";
+-- when "0001001" => data_out <= x"07990000";
+-- when "0001010" => data_out <= x"eb7ffb81";
+
+-------------------------------------------
+
+-- when "00000000000" => data_out <= x"ed000000";
+-- when "00000000001" => data_out <= x"ed080008";
+-- when "00000000010" => data_out <= x"e9880000"; --x"e7188000"; f
+-- when "00000000011" => data_out <= x"e5088400"; --x"ec1a0000";
+-- when "00000000100" => data_out <= x"e9880001";
+-- when "00000000101" => data_out <= x"e7180000";
+-- when "00000000110" => data_out <= x"e9200001"; -- f
+-- when "00000000111" => data_out <= x"e7a00004";
+-- when "00000001000" => data_out <= x"e7280004";
+-- -- when "00000001001" => data_out <= x"eb7ffb81";
+ when "0000000" => data_out <= x"eb000183"; -- br+ main
+ when "0000001" => data_out <= x"eb000487"; -- call+ uartrdy
+ when "0000010" => data_out <= x"eb000008"; -- ret
+ when "0000011" => data_out <= x"ed090058"; -- ldi r1, 0x200b
+ when "0000100" => data_out <= x"ed110060"; -- ldi r2, 0x200c
+ when "0000101" => data_out <= x"ed190080"; -- ldi r3, 0x2010
+ 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"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"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;
-
- if wr_en = '1' then
- end if;
end if;
end process;
- rrrr_addr(10 downto 0) <= rd_addr;
- rrrr_addr(31 downto 11) <= (others => '0');
+ vsim_bug(6 downto 0) <= rd_addr;
+ vsim_bug(31 downto 7) <= (others => '0');
end architecture behaviour;
projects / calu.git / blobdiff