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https://opencores.org/ocsvn/System09/System09/trunk
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| Rev 212 |
Rev 217 |
| Line 975... |
Line 975... |
elsif rising_edge(clk_i) then
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elsif rising_edge(clk_i) then
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CountL <= CountL + 1;
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CountL <= CountL + 1;
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end if;
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end if;
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end process;
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end process;
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status_leds : process( rst_i, cpu_reset, cpu_addr, NMI, cpu_data_in, cpu_rw, CountL, sw)
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status_leds : process( rst_i, cpu_reset, cpu_addr, NMI, cpu_data_in, cpu_rw, CountL, sw, keyboard_data_out)
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begin
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begin
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S(7) <= '0';
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S(7) <= '0';
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S(6) <= CountL(24);
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S(6) <= CountL(24);
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S(5) <= cpu_reset;
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S(5) <= cpu_reset;
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S(4) <= NMI;
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S(4) <= NMI;
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| Line 994... |
Line 994... |
S(3 downto 0) <= cpu_addr(15 downto 12);
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S(3 downto 0) <= cpu_addr(15 downto 12);
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when "100" =>
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when "100" =>
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S(3 downto 0) <= cpu_data_in(3 downto 0);
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S(3 downto 0) <= cpu_data_in(3 downto 0);
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when "101" =>
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when "101" =>
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S(3 downto 0) <= cpu_data_in(7 downto 4);
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S(3 downto 0) <= cpu_data_in(7 downto 4);
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when "110" =>
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S(3 downto 0) <= keyboard_data_out(3 downto 0);
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when "111" =>
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S(3 downto 0) <= keyboard_data_out(7 downto 4);
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when others => S(3 downto 0) <= (others => '0');
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when others => S(3 downto 0) <= (others => '0');
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end case;
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end case;
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end process;
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end process;
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-- debug_proc : process( cpu_reset, cpu_clk, cpu_rw, cpu_vma,
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-- debug_proc : process( cpu_reset, cpu_clk, cpu_rw, cpu_vma,
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