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https://github.com/alangarf/apple-one.git
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Merge pull request #26 from ironsteel/master
Fix clear screen button for olimex board
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commit
33199cbe55
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@ -47,7 +47,6 @@ module apple1_top #(
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output [2:0] vga_g, // green VGA signal
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output [2:0] vga_b, // blue VGA signal
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// Debugging ports
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input [1:0] button // 2 buttons on board
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);
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@ -59,12 +58,28 @@ module apple1_top #(
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.clock_out(clk25),
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);
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wire vga_bit;
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wire vga_red, vga_green, vga_blue;
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assign vga_r[2:0] = {vga_red, vga_red, vga_red};
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assign vga_g[2:0] = {vga_green, vga_green, vga_green};
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assign vga_b[2:0] = {vga_blue, vga_blue, vga_blue};
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// set the monochrome base colour here..
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assign vga_r[2:0] = vga_bit ? 3'b100 : 3'b000;
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assign vga_g[2:0] = vga_bit ? 3'b111 : 3'b000;
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assign vga_b[2:0] = vga_bit ? 3'b100 : 3'b000;
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// debounce reset button
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wire reset_n;
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debounce reset_button (
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.clk25(clk25),
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.rst(1'b0),
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.sig_in(button[0]),
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.sig_out(reset_n)
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);
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// debounce clear screen button
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wire clr_screen_n;
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debounce clr_button (
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.clk25(clk25),
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.rst(~reset_n),
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.sig_in(button[1]),
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.sig_out(clr_screen_n)
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);
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// apple one main system
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apple1 #(
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@ -75,7 +90,7 @@ module apple1_top #(
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.WOZMON_ROM_FILENAME (WOZMON_ROM_FILENAME)
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) my_apple1(
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.clk25(clk25),
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.rst_n(button[0]),
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.rst_n(reset_n),
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.uart_rx(uart_rx),
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.uart_tx(uart_tx),
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@ -88,8 +103,9 @@ module apple1_top #(
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.vga_h_sync(vga_h_sync),
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.vga_v_sync(vga_v_sync),
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.vga_red(vga_bit),
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//.vga_grn(vga_bit),
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//.vga_blu(vga_bit),
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.vga_red(vga_red),
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.vga_grn(vga_green),
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.vga_blu(vga_blue),
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.vga_cls(~clr_screen_n),
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);
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endmodule
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