--1;00000024;07990000;stwnz r3, 0(r2);;;
--1;00000028;eb7ffb01;br 0;;;
+--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 "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 "00000000111" => data_out <= x"e7a00004";
-- when "00000001000" => data_out <= x"e7280004";
-- -- when "00000001001" => data_out <= x"eb7ffb81";
-
-
- when others => data_out <= "11101011000000000000000000000010";
-
+ when "0000000" => data_out <= x"eb000183"; -- br+ main
+ when "0000001" => data_out <= x"eb000103"; -- br+ main
+ when "0000010" => data_out <= x"eb000008"; -- ret
+ when "0000011" => data_out <= x"ed510000"; -- ldi r10, UART_BASE@lo
+ when "0000100" => data_out <= x"ed500002"; -- ldih r10, UART_BASE@hi
+ when "0000101" => data_out <= x"ed590180"; -- ldi r11, PBASE@lo
+ when "0000110" => data_out <= x"ed580002"; -- ldih r11, PBASE@hi
+ when "0000111" => data_out <= x"eb000905"; -- call recv_byte
+ when "0001000" => data_out <= x"ec800240"; -- cmpi r0, 0x48
+ when "0001001" => data_out <= x"e4088800"; -- xor r1, r1, r1
+ when "0001010" => data_out <= x"1b001603"; -- breq+ bt_H
+ when "0001011" => data_out <= x"e71d0000"; -- ldw r3, UART_STATUS(r10)
+ when "0001100" => data_out <= x"e2980008"; -- andx r3, UART_TRANS_EMPTY
+ when "0001101" => data_out <= x"0b7fff03"; -- brnz+ send_byte
+ when "0001110" => data_out <= x"e98d0008"; -- stb r1, UART_TRANS(r10)
+ when "0001111" => data_out <= x"eb000008"; -- ret
+ when "0010000" => data_out <= x"e5008008"; -- lrs r0, r1, 0
+ when "0010001" => data_out <= x"eb7ffd05"; -- call send_byte
+ when "0010010" => data_out <= x"e500a008"; -- lrs r0, r1, 8
+ when "0010011" => data_out <= x"eb7ffc05"; -- call send_byte
+ when "0010100" => data_out <= x"e500c008"; -- lrs r0, r1, 16
+ when "0010101" => data_out <= x"eb7ffb05"; -- call send_byte
+ when "0010110" => data_out <= x"e500e008"; -- lrs r0, r1, 24
+ when "0010111" => data_out <= x"eb7ffa05"; -- call send_byte
+ when "0011000" => data_out <= x"eb000008"; -- ret
+ when "0011001" => data_out <= x"e4000000"; -- xor r0, r0, r0
+ when "0011010" => data_out <= x"eb000008"; -- ret
+ when "0011011" => data_out <= x"e4088800"; -- xor r1, r1, r1
+ when "0011100" => data_out <= x"eb7ffe85"; -- call recv_byte
+ when "0011101" => data_out <= x"e3080800"; -- or r1, r0, r1
+ when "0011110" => data_out <= x"eb7ffd85"; -- call recv_byte
+ when "0011111" => data_out <= x"e508a000"; -- lls r1, r1, 8
+ when "0100000" => data_out <= x"e3080800"; -- or r1, r0, r1
+ when "0100001" => data_out <= x"eb7ffc05"; -- call recv_byte
+ when "0100010" => data_out <= x"e508a000"; -- lls r1, r1, 8
+ when "0100011" => data_out <= x"e3080800"; -- or r1, r0, r1
+ when "0100100" => data_out <= x"eb7ffa85"; -- call recv_byte
+ when "0100101" => data_out <= x"e508a000"; -- lls r1, r1, 8
+ when "0100110" => data_out <= x"e3080800"; -- or r1, r0, r1
+ when "0100111" => data_out <= x"e1008000"; -- addi r0, r1, 0
+ when "0101000" => data_out <= x"eb000008"; -- ret
+ when "0101001" => data_out <= x"eb7ff805"; -- call recv_byte
+ when "0101010" => data_out <= x"eb001701"; -- br tehend
+ when "0101011" => data_out <= x"e4088800"; -- xor r1, r1, r1
+ when "0101100" => data_out <= x"ec8002b8"; -- cmpi r0, 0x57
+ when "0101101" => data_out <= x"1b000681"; -- breq- bt_W
+ when "0101110" => data_out <= x"ec800290"; -- cmpi r0, 0x52
+ when "0101111" => data_out <= x"1b000901"; -- breq- bt_R
+ when "0110000" => data_out <= x"ec800288"; -- cmpi r0, 0x51
+ when "0110001" => data_out <= x"1b000b81"; -- breq- bt_Q
+ when "0110010" => data_out <= x"ec8002a0"; -- cmpi r0, 0x54
+ when "0110011" => data_out <= x"1b000e01"; -- breq- bt_T
+ when "0110100" => data_out <= x"ec800250"; -- cmpi r0, 0x4a
+ when "0110101" => data_out <= x"1b001081"; -- breq- bt_J
+ when "0110110" => data_out <= x"ed080278"; -- ldi r1, 0x4f
+ when "0110111" => data_out <= x"eb7fea05"; -- call send_byte
+ when "0111000" => data_out <= x"eb7fe985"; -- call send_byte
+ when "0111001" => data_out <= x"eb7ff801"; -- br bootrom
+ when "0111010" => data_out <= x"eb7ff085"; -- call recv_word
+ when "0111011" => data_out <= x"e7858004"; -- stw r0, PADDR(r11)
+ when "0111100" => data_out <= x"eb7fef85"; -- call recv_word
+ when "0111101" => data_out <= x"e7858008"; -- stw r0, PDATA(r11)
+ when "0111110" => data_out <= x"ed080220"; -- ldi r1, 0x44
+ when "0111111" => data_out <= x"eb7fe605"; -- call send_byte
+ when "1000000" => data_out <= x"eb7ff481"; -- br bootrom
+ when "1000001" => data_out <= x"eb7fed05"; -- call recv_word
+ when "1000010" => data_out <= x"e1100000"; -- mov r2, r0
+ when "1000011" => data_out <= x"ed080230"; -- ldi r1, 0x46
+ when "1000100" => data_out <= x"eb7fe385"; -- call send_byte
+ when "1000101" => data_out <= x"ea090000"; -- ldx r1, 0(r2)
+ when "1000110" => data_out <= x"eb7fe505"; -- call send_word
+ when "1000111" => data_out <= x"eb7ff101"; -- br bootrom
+ when "1001000" => data_out <= x"eb7fe985"; -- call recv_word
+ when "1001001" => data_out <= x"e1300000"; -- mov r6, r0
+ when "1001010" => data_out <= x"eb7fe885"; -- call recv_word
+ when "1001011" => data_out <= x"e7830000"; -- stw r0, 0(r6)
+ when "1001100" => data_out <= x"ed080208"; -- ldi r1, 0x41
+ when "1001101" => data_out <= x"eb7fdf05"; -- call send_byte
+ when "1001110" => data_out <= x"eb7fed81"; -- br bootrom
+ when "1001111" => data_out <= x"eb7fe605"; -- call recv_word
+ when "1010000" => data_out <= x"e1100000"; -- mov r2, r0
+ when "1010001" => data_out <= x"ed080238"; -- ldi r1, 0x47
+ when "1010010" => data_out <= x"eb7fdc85"; -- call send_byte
+ when "1010011" => data_out <= x"e7090000"; -- ldw r1, 0(r2)
+ when "1010100" => data_out <= x"eb7fde05"; -- call send_word
+ when "1010101" => data_out <= x"eb7fea01"; -- br bootrom
+ when "1010110" => data_out <= x"eb7fe285"; -- call recv_word
+ when "1010111" => data_out <= x"eb800000"; -- brr r0
+ -- just nop until rom end!
+ when others => data_out <= x"fd000000";
end case;
end if;
end process;