diff --git a/index.html b/index.html
index a3e7e4ba..59bc9aeb 100644
--- a/index.html
+++ b/index.html
@@ -90,17 +90,21 @@ ga('send', 'pageview');
diff --git a/presets/verilog/pong.v b/presets/verilog/pong.v
deleted file mode 100644
index e14c36fb..00000000
--- a/presets/verilog/pong.v
+++ /dev/null
@@ -1,3623 +0,0 @@
-/* verilator lint_off UNOPTFLAT */
-// Listing 13.7
-module bitmap_gen
- (
- input wire clk, reset,
- input wire video_on,
- input [1:0] btn,
- input [2:0] sw,
- input wire [9:0] pix_x, pix_y,
- output reg [2:0] bit_rgb
- );
-
- // constant and signal declaration
- wire refr_tick, load_tick;
- //--------------------------------------------
- // video sram
- //--------------------------------------------
- wire we;
- wire [13:0] addr_r, addr_w;
- wire [2:0] din, dout;
- //--------------------------------------------
- // dot location and velocity
- //--------------------------------------------
- localparam MAX_X = 128;
- localparam MAX_Y = 128;
- // dot velocity can be pos or neg
- localparam DOT_V_P = 1;
- localparam DOT_V_N = -1;
- // reg to keep track of dot location
- reg [6:0] dot_x_reg, dot_y_reg;
- wire [6:0] dot_x_next, dot_y_next;
- // reg to keep track of dot velocity
- reg [6:0] v_x_reg, v_y_reg;
- wire [6:0] v_x_next, v_y_next;
- //--------------------------------------------
- // object output signals
- //--------------------------------------------
- wire bitmap_on;
- wire [2:0] bitmap_rgb;
-
- // body
- // instantiate debounce circuit for a button
- debounce deb_unit
- (.clk(clk), .reset(reset), .sw(btn[0]),
- .db_level(), .db_tick(load_tick));
- // instantiate dual-port video RAM (2^12-by-7)
- xilinx_dual_port_ram_sync
- #(.ADDR_WIDTH(14), .DATA_WIDTH(3)) video_ram
- (.clk(clk), .we(we), .addr_a(addr_w), .addr_b(addr_r),
- .din_a(din), .dout_a(), .dout_b(dout));
- // video ram interface
- assign addr_w = {dot_y_reg, dot_x_reg};
- assign addr_r = {pix_y[6:0], pix_x[6:0]};
- assign we = 1'b1;
- assign din = sw;
- assign bitmap_rgb = dout;
- // registers
- always @(posedge clk, posedge reset)
- if (reset)
- begin
- dot_x_reg <= 0;
- dot_y_reg <= 0;
- v_x_reg <= DOT_V_P;
- v_y_reg <= DOT_V_P;
- end
- else
- begin
- dot_x_reg <= dot_x_next;
- dot_y_reg <= dot_y_next;
- v_x_reg <= v_x_next;
- v_y_reg <= v_y_next;
- end
-
- // refr_tick: 1-clock tick asserted at start of v-sync
- assign refr_tick = (pix_y==481) && (pix_x==0);
-
- // pixel within bit map area
- assign bitmap_on =(pix_x<=127) & (pix_y<=127);
- // dot position
- // "randomly" load dot location when btn[0] pressed
- assign dot_x_next = (load_tick) ? pix_x[6:0] :
- (refr_tick) ? dot_x_reg + v_x_reg :
- dot_x_reg ;
- assign dot_y_next = (load_tick) ? pix_y[6:0] :
- (refr_tick) ? dot_y_reg + v_y_reg :
- dot_y_reg ;
- // dot x velocity
- assign v_x_next =
- (dot_x_reg==1) ? DOT_V_P : // reach left
- (dot_x_reg==(MAX_X-2)) ? DOT_V_N : // reach right
- v_x_reg;
- // dot y velocity
- assign v_y_next =
- (dot_y_reg==1) ? DOT_V_P : // reach top
- (dot_y_reg==(MAX_Y-2)) ? DOT_V_N : // reach bottom
- v_y_reg;
- //--------------------------------------------
- // rgb multiplexing circuit
- //--------------------------------------------
- always @*
- if (~video_on)
- bit_rgb = 3'b000; // blank
- else
- if (bitmap_on)
- bit_rgb = bitmap_rgb;
- else
- bit_rgb = 3'b110; // yellow background
-
-endmodule
-// Listing 6.2
-module debounce
- (
- input wire clk, reset,
- input wire sw,
- output reg db_level, db_tick
- );
-
- // symbolic state declaration
- localparam [1:0]
- zero = 2'b00,
- wait0 = 2'b01,
- one = 2'b10,
- wait1 = 2'b11;
-
- // number of counter bits (2^N * 20ns = 40ms)
- localparam N=21;
-
- // signal declaration
- reg [N-1:0] q_reg, q_next;
- reg [1:0] state_reg, state_next;
-
- // body
- // fsmd state & data registers
- always @(posedge clk, posedge reset)
- if (reset)
- begin
- state_reg <= zero;
- q_reg <= 0;
- end
- else
- begin
- state_reg <= state_next;
- q_reg <= q_next;
- end
-
- // next-state logic & data path functional units/routing
- always @*
- begin
- state_next = state_reg; // default state: the same
- q_next = q_reg; // default q: unchnaged
- db_tick = 1'b0; // default output: 0
- case (state_reg)
- zero:
- begin
- db_level = 1'b0;
- if (sw)
- begin
- state_next = wait1;
- q_next = {N{1'b1}}; // load 1..1
- end
- end
- wait1:
- begin
- db_level = 1'b0;
- if (sw)
- begin
- q_next = q_reg - 1;
- if (q_next==0)
- begin
- state_next = one;
- db_tick = 1'b1;
- end
- end
- else // sw==0
- state_next = zero;
- end
- one:
- begin
- db_level = 1'b1;
- if (~sw)
- begin
- state_next = wait0;
- q_next = {N{1'b1}}; // load 1..1
- end
- end
- wait0:
- begin
- db_level = 1'b1;
- if (~sw)
- begin
- q_next = q_reg - 1;
- if (q_next==0)
- state_next = zero;
- end
- else // sw==1
- state_next = one;
-
- end
- default: state_next = zero;
- endcase
- end
-
-endmodule
-// Listing 13.8
-module dot_top
- (
- input wire clk, reset,
- input wire [1:0] btn,
- input wire [2:0] sw,
- output wire hsync, vsync,
- output wire [2:0] rgb
- );
-
- // signal declaration
- wire [9:0] pixel_x, pixel_y;
- wire video_on, pixel_tick;
- reg [2:0] rgb_reg;
- wire [2:0] rgb_next;
-
- // body
- // instantiate VGA sync circuit
- vga_sync vsync_unit
- (.clk(clk), .reset(reset), .hsync(hsync), .vsync(vsync),
- .video_on(video_on), .p_tick(pixel_tick),
- .pixel_x(pixel_x), .pixel_y(pixel_y));
-
- // instantiate graphic generator
- bitmap_gen bitmap_unit
- (.clk(clk), .reset(reset), .btn(btn), .sw(sw),
- .video_on(video_on), .pix_x(pixel_x),
- .pix_y(pixel_y), .bit_rgb(rgb_next));
-
- // rgb buffer
- always @(posedge clk)
- if (pixel_tick)
- rgb_reg <= rgb_next;
- // output
- assign rgb = rgb_reg;
-
-endmodule
-
-// ROM with synchonous read (inferring Block RAM)
-// character ROM
-// - 8-by-16 (8-by-2^4) font
-// - 128 (2^7) characters
-// - ROM size: 512-by-8 (2^11-by-8) bits
-// 16K bits: 1 BRAM
-
-module font_rom
- (
- input wire clk,
- input wire [10:0] addr,
- output reg [7:0] data
- );
-
- // signal declaration
- reg [10:0] addr_reg;
-
- // body
- always @(posedge clk)
- addr_reg <= addr;
-
- always @*
- case (addr_reg)
- //code x00
- 11'h000: data = 8'b00000000; //
- 11'h001: data = 8'b00000000; //
- 11'h002: data = 8'b00000000; //
- 11'h003: data = 8'b00000000; //
- 11'h004: data = 8'b00000000; //
- 11'h005: data = 8'b00000000; //
- 11'h006: data = 8'b00000000; //
- 11'h007: data = 8'b00000000; //
- 11'h008: data = 8'b00000000; //
- 11'h009: data = 8'b00000000; //
- 11'h00a: data = 8'b00000000; //
- 11'h00b: data = 8'b00000000; //
- 11'h00c: data = 8'b00000000; //
- 11'h00d: data = 8'b00000000; //
- 11'h00e: data = 8'b00000000; //
- 11'h00f: data = 8'b00000000; //
- //code x01
- 11'h010: data = 8'b00000000; //
- 11'h011: data = 8'b00000000; //
- 11'h012: data = 8'b01111110; // ******
- 11'h013: data = 8'b10000001; // * *
- 11'h014: data = 8'b10100101; // * * * *
- 11'h015: data = 8'b10000001; // * *
- 11'h016: data = 8'b10000001; // * *
- 11'h017: data = 8'b10111101; // * **** *
- 11'h018: data = 8'b10011001; // * ** *
- 11'h019: data = 8'b10000001; // * *
- 11'h01a: data = 8'b10000001; // * *
- 11'h01b: data = 8'b01111110; // ******
- 11'h01c: data = 8'b00000000; //
- 11'h01d: data = 8'b00000000; //
- 11'h01e: data = 8'b00000000; //
- 11'h01f: data = 8'b00000000; //
- //code x02
- 11'h020: data = 8'b00000000; //
- 11'h021: data = 8'b00000000; //
- 11'h022: data = 8'b01111110; // ******
- 11'h023: data = 8'b11111111; // ********
- 11'h024: data = 8'b11011011; // ** ** **
- 11'h025: data = 8'b11111111; // ********
- 11'h026: data = 8'b11111111; // ********
- 11'h027: data = 8'b11000011; // ** **
- 11'h028: data = 8'b11100111; // *** ***
- 11'h029: data = 8'b11111111; // ********
- 11'h02a: data = 8'b11111111; // ********
- 11'h02b: data = 8'b01111110; // ******
- 11'h02c: data = 8'b00000000; //
- 11'h02d: data = 8'b00000000; //
- 11'h02e: data = 8'b00000000; //
- 11'h02f: data = 8'b00000000; //
- //code x03
- 11'h030: data = 8'b00000000; //
- 11'h031: data = 8'b00000000; //
- 11'h032: data = 8'b00000000; //
- 11'h033: data = 8'b00000000; //
- 11'h034: data = 8'b01101100; // ** **
- 11'h035: data = 8'b11111110; // *******
- 11'h036: data = 8'b11111110; // *******
- 11'h037: data = 8'b11111110; // *******
- 11'h038: data = 8'b11111110; // *******
- 11'h039: data = 8'b01111100; // *****
- 11'h03a: data = 8'b00111000; // ***
- 11'h03b: data = 8'b00010000; // *
- 11'h03c: data = 8'b00000000; //
- 11'h03d: data = 8'b00000000; //
- 11'h03e: data = 8'b00000000; //
- 11'h03f: data = 8'b00000000; //
- //code x04
- 11'h040: data = 8'b00000000; //
- 11'h041: data = 8'b00000000; //
- 11'h042: data = 8'b00000000; //
- 11'h043: data = 8'b00000000; //
- 11'h044: data = 8'b00010000; // *
- 11'h045: data = 8'b00111000; // ***
- 11'h046: data = 8'b01111100; // *****
- 11'h047: data = 8'b11111110; // *******
- 11'h048: data = 8'b01111100; // *****
- 11'h049: data = 8'b00111000; // ***
- 11'h04a: data = 8'b00010000; // *
- 11'h04b: data = 8'b00000000; //
- 11'h04c: data = 8'b00000000; //
- 11'h04d: data = 8'b00000000; //
- 11'h04e: data = 8'b00000000; //
- 11'h04f: data = 8'b00000000; //
- //code x05
- 11'h050: data = 8'b00000000; //
- 11'h051: data = 8'b00000000; //
- 11'h052: data = 8'b00000000; //
- 11'h053: data = 8'b00011000; // **
- 11'h054: data = 8'b00111100; // ****
- 11'h055: data = 8'b00111100; // ****
- 11'h056: data = 8'b11100111; // *** ***
- 11'h057: data = 8'b11100111; // *** ***
- 11'h058: data = 8'b11100111; // *** ***
- 11'h059: data = 8'b00011000; // **
- 11'h05a: data = 8'b00011000; // **
- 11'h05b: data = 8'b00111100; // ****
- 11'h05c: data = 8'b00000000; //
- 11'h05d: data = 8'b00000000; //
- 11'h05e: data = 8'b00000000; //
- 11'h05f: data = 8'b00000000; //
- //code x06
- 11'h060: data = 8'b00000000; //
- 11'h061: data = 8'b00000000; //
- 11'h062: data = 8'b00000000; //
- 11'h063: data = 8'b00011000; // **
- 11'h064: data = 8'b00111100; // ****
- 11'h065: data = 8'b01111110; // ******
- 11'h066: data = 8'b11111111; // ********
- 11'h067: data = 8'b11111111; // ********
- 11'h068: data = 8'b01111110; // ******
- 11'h069: data = 8'b00011000; // **
- 11'h06a: data = 8'b00011000; // **
- 11'h06b: data = 8'b00111100; // ****
- 11'h06c: data = 8'b00000000; //
- 11'h06d: data = 8'b00000000; //
- 11'h06e: data = 8'b00000000; //
- 11'h06f: data = 8'b00000000; //
- //code x07
- 11'h070: data = 8'b00000000; //
- 11'h071: data = 8'b00000000; //
- 11'h072: data = 8'b00000000; //
- 11'h073: data = 8'b00000000; //
- 11'h074: data = 8'b00000000; //
- 11'h075: data = 8'b00000000; //
- 11'h076: data = 8'b00011000; // **
- 11'h077: data = 8'b00111100; // ****
- 11'h078: data = 8'b00111100; // ****
- 11'h079: data = 8'b00011000; // **
- 11'h07a: data = 8'b00000000; //
- 11'h07b: data = 8'b00000000; //
- 11'h07c: data = 8'b00000000; //
- 11'h07d: data = 8'b00000000; //
- 11'h07e: data = 8'b00000000; //
- 11'h07f: data = 8'b00000000; //
- //code x08
- 11'h080: data = 8'b11111111; // ********
- 11'h081: data = 8'b11111111; // ********
- 11'h082: data = 8'b11111111; // ********
- 11'h083: data = 8'b11111111; // ********
- 11'h084: data = 8'b11111111; // ********
- 11'h085: data = 8'b11111111; // ********
- 11'h086: data = 8'b11100111; // *** ***
- 11'h087: data = 8'b11000011; // ** **
- 11'h088: data = 8'b11000011; // ** **
- 11'h089: data = 8'b11100111; // *** ***
- 11'h08a: data = 8'b11111111; // ********
- 11'h08b: data = 8'b11111111; // ********
- 11'h08c: data = 8'b11111111; // ********
- 11'h08d: data = 8'b11111111; // ********
- 11'h08e: data = 8'b11111111; // ********
- 11'h08f: data = 8'b11111111; // ********
- //code x09
- 11'h090: data = 8'b00000000; //
- 11'h091: data = 8'b00000000; //
- 11'h092: data = 8'b00000000; //
- 11'h093: data = 8'b00000000; //
- 11'h094: data = 8'b00000000; //
- 11'h095: data = 8'b00111100; // ****
- 11'h096: data = 8'b01100110; // ** **
- 11'h097: data = 8'b01000010; // * *
- 11'h098: data = 8'b01000010; // * *
- 11'h099: data = 8'b01100110; // ** **
- 11'h09a: data = 8'b00111100; // ****
- 11'h09b: data = 8'b00000000; //
- 11'h09c: data = 8'b00000000; //
- 11'h09d: data = 8'b00000000; //
- 11'h09e: data = 8'b00000000; //
- 11'h09f: data = 8'b00000000; //
- //code x0a
- 11'h0a0: data = 8'b11111111; // ********
- 11'h0a1: data = 8'b11111111; // ********
- 11'h0a2: data = 8'b11111111; // ********
- 11'h0a3: data = 8'b11111111; // ********
- 11'h0a4: data = 8'b11111111; // ********
- 11'h0a5: data = 8'b11000011; // ** **
- 11'h0a6: data = 8'b10011001; // * ** *
- 11'h0a7: data = 8'b10111101; // * **** *
- 11'h0a8: data = 8'b10111101; // * **** *
- 11'h0a9: data = 8'b10011001; // * ** *
- 11'h0aa: data = 8'b11000011; // ** **
- 11'h0ab: data = 8'b11111111; // ********
- 11'h0ac: data = 8'b11111111; // ********
- 11'h0ad: data = 8'b11111111; // ********
- 11'h0ae: data = 8'b11111111; // ********
- 11'h0af: data = 8'b11111111; // ********
- //code x0b
- 11'h0b0: data = 8'b00000000; //
- 11'h0b1: data = 8'b00000000; //
- 11'h0b2: data = 8'b00011110; // ****
- 11'h0b3: data = 8'b00001110; // ***
- 11'h0b4: data = 8'b00011010; // ** *
- 11'h0b5: data = 8'b00110010; // ** *
- 11'h0b6: data = 8'b01111000; // ****
- 11'h0b7: data = 8'b11001100; // ** **
- 11'h0b8: data = 8'b11001100; // ** **
- 11'h0b9: data = 8'b11001100; // ** **
- 11'h0ba: data = 8'b11001100; // ** **
- 11'h0bb: data = 8'b01111000; // ****
- 11'h0bc: data = 8'b00000000; //
- 11'h0bd: data = 8'b00000000; //
- 11'h0be: data = 8'b00000000; //
- 11'h0bf: data = 8'b00000000; //
- //code x0c
- 11'h0c0: data = 8'b00000000; //
- 11'h0c1: data = 8'b00000000; //
- 11'h0c2: data = 8'b00111100; // ****
- 11'h0c3: data = 8'b01100110; // ** **
- 11'h0c4: data = 8'b01100110; // ** **
- 11'h0c5: data = 8'b01100110; // ** **
- 11'h0c6: data = 8'b01100110; // ** **
- 11'h0c7: data = 8'b00111100; // ****
- 11'h0c8: data = 8'b00011000; // **
- 11'h0c9: data = 8'b01111110; // ******
- 11'h0ca: data = 8'b00011000; // **
- 11'h0cb: data = 8'b00011000; // **
- 11'h0cc: data = 8'b00000000; //
- 11'h0cd: data = 8'b00000000; //
- 11'h0ce: data = 8'b00000000; //
- 11'h0cf: data = 8'b00000000; //
- //code x0d
- 11'h0d0: data = 8'b00000000; //
- 11'h0d1: data = 8'b00000000; //
- 11'h0d2: data = 8'b00111111; // ******
- 11'h0d3: data = 8'b00110011; // ** **
- 11'h0d4: data = 8'b00111111; // ******
- 11'h0d5: data = 8'b00110000; // **
- 11'h0d6: data = 8'b00110000; // **
- 11'h0d7: data = 8'b00110000; // **
- 11'h0d8: data = 8'b00110000; // **
- 11'h0d9: data = 8'b01110000; // ***
- 11'h0da: data = 8'b11110000; // ****
- 11'h0db: data = 8'b11100000; // ***
- 11'h0dc: data = 8'b00000000; //
- 11'h0dd: data = 8'b00000000; //
- 11'h0de: data = 8'b00000000; //
- 11'h0df: data = 8'b00000000; //
- //code x0e
- 11'h0e0: data = 8'b00000000; //
- 11'h0e1: data = 8'b00000000; //
- 11'h0e2: data = 8'b01111111; // *******
- 11'h0e3: data = 8'b01100011; // ** **
- 11'h0e4: data = 8'b01111111; // *******
- 11'h0e5: data = 8'b01100011; // ** **
- 11'h0e6: data = 8'b01100011; // ** **
- 11'h0e7: data = 8'b01100011; // ** **
- 11'h0e8: data = 8'b01100011; // ** **
- 11'h0e9: data = 8'b01100111; // ** ***
- 11'h0ea: data = 8'b11100111; // *** ***
- 11'h0eb: data = 8'b11100110; // *** **
- 11'h0ec: data = 8'b11000000; // **
- 11'h0ed: data = 8'b00000000; //
- 11'h0ee: data = 8'b00000000; //
- 11'h0ef: data = 8'b00000000; //
- //code x0f
- 11'h0f0: data = 8'b00000000; //
- 11'h0f1: data = 8'b00000000; //
- 11'h0f2: data = 8'b00000000; //
- 11'h0f3: data = 8'b00011000; // **
- 11'h0f4: data = 8'b00011000; // **
- 11'h0f5: data = 8'b11011011; // ** ** **
- 11'h0f6: data = 8'b00111100; // ****
- 11'h0f7: data = 8'b11100111; // *** ***
- 11'h0f8: data = 8'b00111100; // ****
- 11'h0f9: data = 8'b11011011; // ** ** **
- 11'h0fa: data = 8'b00011000; // **
- 11'h0fb: data = 8'b00011000; // **
- 11'h0fc: data = 8'b00000000; //
- 11'h0fd: data = 8'b00000000; //
- 11'h0fe: data = 8'b00000000; //
- 11'h0ff: data = 8'b00000000; //
- //code x10
- 11'h100: data = 8'b00000000; //
- 11'h101: data = 8'b10000000; // *
- 11'h102: data = 8'b11000000; // **
- 11'h103: data = 8'b11100000; // ***
- 11'h104: data = 8'b11110000; // ****
- 11'h105: data = 8'b11111000; // *****
- 11'h106: data = 8'b11111110; // *******
- 11'h107: data = 8'b11111000; // *****
- 11'h108: data = 8'b11110000; // ****
- 11'h109: data = 8'b11100000; // ***
- 11'h10a: data = 8'b11000000; // **
- 11'h10b: data = 8'b10000000; // *
- 11'h10c: data = 8'b00000000; //
- 11'h10d: data = 8'b00000000; //
- 11'h10e: data = 8'b00000000; //
- 11'h10f: data = 8'b00000000; //
- //code x11
- 11'h110: data = 8'b00000000; //
- 11'h111: data = 8'b00000010; // *
- 11'h112: data = 8'b00000110; // **
- 11'h113: data = 8'b00001110; // ***
- 11'h114: data = 8'b00011110; // ****
- 11'h115: data = 8'b00111110; // *****
- 11'h116: data = 8'b11111110; // *******
- 11'h117: data = 8'b00111110; // *****
- 11'h118: data = 8'b00011110; // ****
- 11'h119: data = 8'b00001110; // ***
- 11'h11a: data = 8'b00000110; // **
- 11'h11b: data = 8'b00000010; // *
- 11'h11c: data = 8'b00000000; //
- 11'h11d: data = 8'b00000000; //
- 11'h11e: data = 8'b00000000; //
- 11'h11f: data = 8'b00000000; //
- //code x12
- 11'h120: data = 8'b00000000; //
- 11'h121: data = 8'b00000000; //
- 11'h122: data = 8'b00011000; // **
- 11'h123: data = 8'b00111100; // ****
- 11'h124: data = 8'b01111110; // ******
- 11'h125: data = 8'b00011000; // **
- 11'h126: data = 8'b00011000; // **
- 11'h127: data = 8'b00011000; // **
- 11'h128: data = 8'b01111110; // ******
- 11'h129: data = 8'b00111100; // ****
- 11'h12a: data = 8'b00011000; // **
- 11'h12b: data = 8'b00000000; //
- 11'h12c: data = 8'b00000000; //
- 11'h12d: data = 8'b00000000; //
- 11'h12e: data = 8'b00000000; //
- 11'h12f: data = 8'b00000000; //
- //code x13
- 11'h130: data = 8'b00000000; //
- 11'h131: data = 8'b00000000; //
- 11'h132: data = 8'b01100110; // ** **
- 11'h133: data = 8'b01100110; // ** **
- 11'h134: data = 8'b01100110; // ** **
- 11'h135: data = 8'b01100110; // ** **
- 11'h136: data = 8'b01100110; // ** **
- 11'h137: data = 8'b01100110; // ** **
- 11'h138: data = 8'b01100110; // ** **
- 11'h139: data = 8'b00000000; //
- 11'h13a: data = 8'b01100110; // ** **
- 11'h13b: data = 8'b01100110; // ** **
- 11'h13c: data = 8'b00000000; //
- 11'h13d: data = 8'b00000000; //
- 11'h13e: data = 8'b00000000; //
- 11'h13f: data = 8'b00000000; //
- //code x14
- 11'h140: data = 8'b00000000; //
- 11'h141: data = 8'b00000000; //
- 11'h142: data = 8'b01111111; // *******
- 11'h143: data = 8'b11011011; // ** ** **
- 11'h144: data = 8'b11011011; // ** ** **
- 11'h145: data = 8'b11011011; // ** ** **
- 11'h146: data = 8'b01111011; // **** **
- 11'h147: data = 8'b00011011; // ** **
- 11'h148: data = 8'b00011011; // ** **
- 11'h149: data = 8'b00011011; // ** **
- 11'h14a: data = 8'b00011011; // ** **
- 11'h14b: data = 8'b00011011; // ** **
- 11'h14c: data = 8'b00000000; //
- 11'h14d: data = 8'b00000000; //
- 11'h14e: data = 8'b00000000; //
- 11'h14f: data = 8'b00000000; //
- //code x15
- 11'h150: data = 8'b00000000; //
- 11'h151: data = 8'b01111100; // *****
- 11'h152: data = 8'b11000110; // ** **
- 11'h153: data = 8'b01100000; // **
- 11'h154: data = 8'b00111000; // ***
- 11'h155: data = 8'b01101100; // ** **
- 11'h156: data = 8'b11000110; // ** **
- 11'h157: data = 8'b11000110; // ** **
- 11'h158: data = 8'b01101100; // ** **
- 11'h159: data = 8'b00111000; // ***
- 11'h15a: data = 8'b00001100; // **
- 11'h15b: data = 8'b11000110; // ** **
- 11'h15c: data = 8'b01111100; // *****
- 11'h15d: data = 8'b00000000; //
- 11'h15e: data = 8'b00000000; //
- 11'h15f: data = 8'b00000000; //
- //code x16
- 11'h160: data = 8'b00000000; //
- 11'h161: data = 8'b00000000; //
- 11'h162: data = 8'b00000000; //
- 11'h163: data = 8'b00000000; //
- 11'h164: data = 8'b00000000; //
- 11'h165: data = 8'b00000000; //
- 11'h166: data = 8'b00000000; //
- 11'h167: data = 8'b00000000; //
- 11'h168: data = 8'b11111110; // *******
- 11'h169: data = 8'b11111110; // *******
- 11'h16a: data = 8'b11111110; // *******
- 11'h16b: data = 8'b11111110; // *******
- 11'h16c: data = 8'b00000000; //
- 11'h16d: data = 8'b00000000; //
- 11'h16e: data = 8'b00000000; //
- 11'h16f: data = 8'b00000000; //
- //code x17
- 11'h170: data = 8'b00000000; //
- 11'h171: data = 8'b00000000; //
- 11'h172: data = 8'b00011000; // **
- 11'h173: data = 8'b00111100; // ****
- 11'h174: data = 8'b01111110; // ******
- 11'h175: data = 8'b00011000; // **
- 11'h176: data = 8'b00011000; // **
- 11'h177: data = 8'b00011000; // **
- 11'h178: data = 8'b01111110; // ******
- 11'h179: data = 8'b00111100; // ****
- 11'h17a: data = 8'b00011000; // **
- 11'h17b: data = 8'b01111110; // ******
- 11'h17c: data = 8'b00110000; //
- 11'h17d: data = 8'b00000000; //
- 11'h17e: data = 8'b00000000; //
- 11'h17f: data = 8'b00000000; //
- //code x18
- 11'h180: data = 8'b00000000; //
- 11'h181: data = 8'b00000000; //
- 11'h182: data = 8'b00011000; // **
- 11'h183: data = 8'b00111100; // ****
- 11'h184: data = 8'b01111110; // ******
- 11'h185: data = 8'b00011000; // **
- 11'h186: data = 8'b00011000; // **
- 11'h187: data = 8'b00011000; // **
- 11'h188: data = 8'b00011000; // **
- 11'h189: data = 8'b00011000; // **
- 11'h18a: data = 8'b00011000; // **
- 11'h18b: data = 8'b00011000; // **
- 11'h18c: data = 8'b00000000; //
- 11'h18d: data = 8'b00000000; //
- 11'h18e: data = 8'b00000000; //
- 11'h18f: data = 8'b00000000; //
- //code x19
- 11'h190: data = 8'b00000000; //
- 11'h191: data = 8'b00000000; //
- 11'h192: data = 8'b00011000; // **
- 11'h193: data = 8'b00011000; // **
- 11'h194: data = 8'b00011000; // **
- 11'h195: data = 8'b00011000; // **
- 11'h196: data = 8'b00011000; // **
- 11'h197: data = 8'b00011000; // **
- 11'h198: data = 8'b00011000; // **
- 11'h199: data = 8'b01111110; // ******
- 11'h19a: data = 8'b00111100; // ****
- 11'h19b: data = 8'b00011000; // **
- 11'h19c: data = 8'b00000000; //
- 11'h19d: data = 8'b00000000; //
- 11'h19e: data = 8'b00000000; //
- 11'h19f: data = 8'b00000000; //
- //code x1a
- 11'h1a0: data = 8'b00000000; //
- 11'h1a1: data = 8'b00000000; //
- 11'h1a2: data = 8'b00000000; //
- 11'h1a3: data = 8'b00000000; //
- 11'h1a4: data = 8'b00000000; //
- 11'h1a5: data = 8'b00011000; // **
- 11'h1a6: data = 8'b00001100; // **
- 11'h1a7: data = 8'b11111110; // *******
- 11'h1a8: data = 8'b00001100; // **
- 11'h1a9: data = 8'b00011000; // **
- 11'h1aa: data = 8'b00000000; //
- 11'h1ab: data = 8'b00000000; //
- 11'h1ac: data = 8'b00000000; //
- 11'h1ad: data = 8'b00000000; //
- 11'h1ae: data = 8'b00000000; //
- 11'h1af: data = 8'b00000000; //
- //code x1b
- 11'h1b0: data = 8'b00000000; //
- 11'h1b1: data = 8'b00000000; //
- 11'h1b2: data = 8'b00000000; //
- 11'h1b3: data = 8'b00000000; //
- 11'h1b4: data = 8'b00000000; //
- 11'h1b5: data = 8'b00110000; // **
- 11'h1b6: data = 8'b01100000; // **
- 11'h1b7: data = 8'b11111110; // *******
- 11'h1b8: data = 8'b01100000; // **
- 11'h1b9: data = 8'b00110000; // **
- 11'h1ba: data = 8'b00000000; //
- 11'h1bb: data = 8'b00000000; //
- 11'h1bc: data = 8'b00000000; //
- 11'h1bd: data = 8'b00000000; //
- 11'h1be: data = 8'b00000000; //
- 11'h1bf: data = 8'b00000000; //
- //code x1c
- 11'h1c0: data = 8'b00000000; //
- 11'h1c1: data = 8'b00000000; //
- 11'h1c2: data = 8'b00000000; //
- 11'h1c3: data = 8'b00000000; //
- 11'h1c4: data = 8'b00000000; //
- 11'h1c5: data = 8'b00000000; //
- 11'h1c6: data = 8'b11000000; // **
- 11'h1c7: data = 8'b11000000; // **
- 11'h1c8: data = 8'b11000000; // **
- 11'h1c9: data = 8'b11111110; // *******
- 11'h1ca: data = 8'b00000000; //
- 11'h1cb: data = 8'b00000000; //
- 11'h1cc: data = 8'b00000000; //
- 11'h1cd: data = 8'b00000000; //
- 11'h1ce: data = 8'b00000000; //
- 11'h1cf: data = 8'b00000000; //
- //code x1d
- 11'h1d0: data = 8'b00000000; //
- 11'h1d1: data = 8'b00000000; //
- 11'h1d2: data = 8'b00000000; //
- 11'h1d3: data = 8'b00000000; //
- 11'h1d4: data = 8'b00000000; //
- 11'h1d5: data = 8'b00100100; // * *
- 11'h1d6: data = 8'b01100110; // ** **
- 11'h1d7: data = 8'b11111111; // ********
- 11'h1d8: data = 8'b01100110; // ** **
- 11'h1d9: data = 8'b00100100; // * *
- 11'h1da: data = 8'b00000000; //
- 11'h1db: data = 8'b00000000; //
- 11'h1dc: data = 8'b00000000; //
- 11'h1dd: data = 8'b00000000; //
- 11'h1de: data = 8'b00000000; //
- 11'h1df: data = 8'b00000000; //
- //code x1e
- 11'h1e0: data = 8'b00000000; //
- 11'h1e1: data = 8'b00000000; //
- 11'h1e2: data = 8'b00000000; //
- 11'h1e3: data = 8'b00000000; //
- 11'h1e4: data = 8'b00010000; // *
- 11'h1e5: data = 8'b00111000; // ***
- 11'h1e6: data = 8'b00111000; // ***
- 11'h1e7: data = 8'b01111100; // *****
- 11'h1e8: data = 8'b01111100; // *****
- 11'h1e9: data = 8'b11111110; // *******
- 11'h1ea: data = 8'b11111110; // *******
- 11'h1eb: data = 8'b00000000; //
- 11'h1ec: data = 8'b00000000; //
- 11'h1ed: data = 8'b00000000; //
- 11'h1ee: data = 8'b00000000; //
- 11'h1ef: data = 8'b00000000; //
- //code x1f
- 11'h1f0: data = 8'b00000000; //
- 11'h1f1: data = 8'b00000000; //
- 11'h1f2: data = 8'b00000000; //
- 11'h1f3: data = 8'b00000000; //
- 11'h1f4: data = 8'b11111110; // *******
- 11'h1f5: data = 8'b11111110; // *******
- 11'h1f6: data = 8'b01111100; // *****
- 11'h1f7: data = 8'b01111100; // *****
- 11'h1f8: data = 8'b00111000; // ***
- 11'h1f9: data = 8'b00111000; // ***
- 11'h1fa: data = 8'b00010000; // *
- 11'h1fb: data = 8'b00000000; //
- 11'h1fc: data = 8'b00000000; //
- 11'h1fd: data = 8'b00000000; //
- 11'h1fe: data = 8'b00000000; //
- 11'h1ff: data = 8'b00000000; //
- //code x20
- 11'h200: data = 8'b00000000; //
- 11'h201: data = 8'b00000000; //
- 11'h202: data = 8'b00000000; //
- 11'h203: data = 8'b00000000; //
- 11'h204: data = 8'b00000000; //
- 11'h205: data = 8'b00000000; //
- 11'h206: data = 8'b00000000; //
- 11'h207: data = 8'b00000000; //
- 11'h208: data = 8'b00000000; //
- 11'h209: data = 8'b00000000; //
- 11'h20a: data = 8'b00000000; //
- 11'h20b: data = 8'b00000000; //
- 11'h20c: data = 8'b00000000; //
- 11'h20d: data = 8'b00000000; //
- 11'h20e: data = 8'b00000000; //
- 11'h20f: data = 8'b00000000; //
- //code x21
- 11'h210: data = 8'b00000000; //
- 11'h211: data = 8'b00000000; //
- 11'h212: data = 8'b00011000; // **
- 11'h213: data = 8'b00111100; // ****
- 11'h214: data = 8'b00111100; // ****
- 11'h215: data = 8'b00111100; // ****
- 11'h216: data = 8'b00011000; // **
- 11'h217: data = 8'b00011000; // **
- 11'h218: data = 8'b00011000; // **
- 11'h219: data = 8'b00000000; //
- 11'h21a: data = 8'b00011000; // **
- 11'h21b: data = 8'b00011000; // **
- 11'h21c: data = 8'b00000000; //
- 11'h21d: data = 8'b00000000; //
- 11'h21e: data = 8'b00000000; //
- 11'h21f: data = 8'b00000000; //
- //code x22
- 11'h220: data = 8'b00000000; //
- 11'h221: data = 8'b01100110; // ** **
- 11'h222: data = 8'b01100110; // ** **
- 11'h223: data = 8'b01100110; // ** **
- 11'h224: data = 8'b00100100; // * *
- 11'h225: data = 8'b00000000; //
- 11'h226: data = 8'b00000000; //
- 11'h227: data = 8'b00000000; //
- 11'h228: data = 8'b00000000; //
- 11'h229: data = 8'b00000000; //
- 11'h22a: data = 8'b00000000; //
- 11'h22b: data = 8'b00000000; //
- 11'h22c: data = 8'b00000000; //
- 11'h22d: data = 8'b00000000; //
- 11'h22e: data = 8'b00000000; //
- 11'h22f: data = 8'b00000000; //
- //code x23
- 11'h230: data = 8'b00000000; //
- 11'h231: data = 8'b00000000; //
- 11'h232: data = 8'b00000000; //
- 11'h233: data = 8'b01101100; // ** **
- 11'h234: data = 8'b01101100; // ** **
- 11'h235: data = 8'b11111110; // *******
- 11'h236: data = 8'b01101100; // ** **
- 11'h237: data = 8'b01101100; // ** **
- 11'h238: data = 8'b01101100; // ** **
- 11'h239: data = 8'b11111110; // *******
- 11'h23a: data = 8'b01101100; // ** **
- 11'h23b: data = 8'b01101100; // ** **
- 11'h23c: data = 8'b00000000; //
- 11'h23d: data = 8'b00000000; //
- 11'h23e: data = 8'b00000000; //
- 11'h23f: data = 8'b00000000; //
- //code x24
- 11'h240: data = 8'b00011000; // **
- 11'h241: data = 8'b00011000; // **
- 11'h242: data = 8'b01111100; // *****
- 11'h243: data = 8'b11000110; // ** **
- 11'h244: data = 8'b11000010; // ** *
- 11'h245: data = 8'b11000000; // **
- 11'h246: data = 8'b01111100; // *****
- 11'h247: data = 8'b00000110; // **
- 11'h248: data = 8'b00000110; // **
- 11'h249: data = 8'b10000110; // * **
- 11'h24a: data = 8'b11000110; // ** **
- 11'h24b: data = 8'b01111100; // *****
- 11'h24c: data = 8'b00011000; // **
- 11'h24d: data = 8'b00011000; // **
- 11'h24e: data = 8'b00000000; //
- 11'h24f: data = 8'b00000000; //
- //code x25
- 11'h250: data = 8'b00000000; //
- 11'h251: data = 8'b00000000; //
- 11'h252: data = 8'b00000000; //
- 11'h253: data = 8'b00000000; //
- 11'h254: data = 8'b11000010; // ** *
- 11'h255: data = 8'b11000110; // ** **
- 11'h256: data = 8'b00001100; // **
- 11'h257: data = 8'b00011000; // **
- 11'h258: data = 8'b00110000; // **
- 11'h259: data = 8'b01100000; // **
- 11'h25a: data = 8'b11000110; // ** **
- 11'h25b: data = 8'b10000110; // * **
- 11'h25c: data = 8'b00000000; //
- 11'h25d: data = 8'b00000000; //
- 11'h25e: data = 8'b00000000; //
- 11'h25f: data = 8'b00000000; //
- //code x26
- 11'h260: data = 8'b00000000; //
- 11'h261: data = 8'b00000000; //
- 11'h262: data = 8'b00111000; // ***
- 11'h263: data = 8'b01101100; // ** **
- 11'h264: data = 8'b01101100; // ** **
- 11'h265: data = 8'b00111000; // ***
- 11'h266: data = 8'b01110110; // *** **
- 11'h267: data = 8'b11011100; // ** ***
- 11'h268: data = 8'b11001100; // ** **
- 11'h269: data = 8'b11001100; // ** **
- 11'h26a: data = 8'b11001100; // ** **
- 11'h26b: data = 8'b01110110; // *** **
- 11'h26c: data = 8'b00000000; //
- 11'h26d: data = 8'b00000000; //
- 11'h26e: data = 8'b00000000; //
- 11'h26f: data = 8'b00000000; //
- //code x27
- 11'h270: data = 8'b00000000; //
- 11'h271: data = 8'b00110000; // **
- 11'h272: data = 8'b00110000; // **
- 11'h273: data = 8'b00110000; // **
- 11'h274: data = 8'b01100000; // **
- 11'h275: data = 8'b00000000; //
- 11'h276: data = 8'b00000000; //
- 11'h277: data = 8'b00000000; //
- 11'h278: data = 8'b00000000; //
- 11'h279: data = 8'b00000000; //
- 11'h27a: data = 8'b00000000; //
- 11'h27b: data = 8'b00000000; //
- 11'h27c: data = 8'b00000000; //
- 11'h27d: data = 8'b00000000; //
- 11'h27e: data = 8'b00000000; //
- 11'h27f: data = 8'b00000000; //
- //code x28
- 11'h280: data = 8'b00000000; //
- 11'h281: data = 8'b00000000; //
- 11'h282: data = 8'b00001100; // **
- 11'h283: data = 8'b00011000; // **
- 11'h284: data = 8'b00110000; // **
- 11'h285: data = 8'b00110000; // **
- 11'h286: data = 8'b00110000; // **
- 11'h287: data = 8'b00110000; // **
- 11'h288: data = 8'b00110000; // **
- 11'h289: data = 8'b00110000; // **
- 11'h28a: data = 8'b00011000; // **
- 11'h28b: data = 8'b00001100; // **
- 11'h28c: data = 8'b00000000; //
- 11'h28d: data = 8'b00000000; //
- 11'h28e: data = 8'b00000000; //
- 11'h28f: data = 8'b00000000; //
- //code x29
- 11'h290: data = 8'b00000000; //
- 11'h291: data = 8'b00000000; //
- 11'h292: data = 8'b00110000; // **
- 11'h293: data = 8'b00011000; // **
- 11'h294: data = 8'b00001100; // **
- 11'h295: data = 8'b00001100; // **
- 11'h296: data = 8'b00001100; // **
- 11'h297: data = 8'b00001100; // **
- 11'h298: data = 8'b00001100; // **
- 11'h299: data = 8'b00001100; // **
- 11'h29a: data = 8'b00011000; // **
- 11'h29b: data = 8'b00110000; // **
- 11'h29c: data = 8'b00000000; //
- 11'h29d: data = 8'b00000000; //
- 11'h29e: data = 8'b00000000; //
- 11'h29f: data = 8'b00000000; //
- //code x2a
- 11'h2a0: data = 8'b00000000; //
- 11'h2a1: data = 8'b00000000; //
- 11'h2a2: data = 8'b00000000; //
- 11'h2a3: data = 8'b00000000; //
- 11'h2a4: data = 8'b00000000; //
- 11'h2a5: data = 8'b01100110; // ** **
- 11'h2a6: data = 8'b00111100; // ****
- 11'h2a7: data = 8'b11111111; // ********
- 11'h2a8: data = 8'b00111100; // ****
- 11'h2a9: data = 8'b01100110; // ** **
- 11'h2aa: data = 8'b00000000; //
- 11'h2ab: data = 8'b00000000; //
- 11'h2ac: data = 8'b00000000; //
- 11'h2ad: data = 8'b00000000; //
- 11'h2ae: data = 8'b00000000; //
- 11'h2af: data = 8'b00000000; //
- //code x2b
- 11'h2b0: data = 8'b00000000; //
- 11'h2b1: data = 8'b00000000; //
- 11'h2b2: data = 8'b00000000; //
- 11'h2b3: data = 8'b00000000; //
- 11'h2b4: data = 8'b00000000; //
- 11'h2b5: data = 8'b00011000; // **
- 11'h2b6: data = 8'b00011000; // **
- 11'h2b7: data = 8'b01111110; // ******
- 11'h2b8: data = 8'b00011000; // **
- 11'h2b9: data = 8'b00011000; // **
- 11'h2ba: data = 8'b00000000; //
- 11'h2bb: data = 8'b00000000; //
- 11'h2bc: data = 8'b00000000; //
- 11'h2bd: data = 8'b00000000; //
- 11'h2be: data = 8'b00000000; //
- 11'h2bf: data = 8'b00000000; //
- //code x2c
- 11'h2c0: data = 8'b00000000; //
- 11'h2c1: data = 8'b00000000; //
- 11'h2c2: data = 8'b00000000; //
- 11'h2c3: data = 8'b00000000; //
- 11'h2c4: data = 8'b00000000; //
- 11'h2c5: data = 8'b00000000; //
- 11'h2c6: data = 8'b00000000; //
- 11'h2c7: data = 8'b00000000; //
- 11'h2c8: data = 8'b00000000; //
- 11'h2c9: data = 8'b00011000; // **
- 11'h2ca: data = 8'b00011000; // **
- 11'h2cb: data = 8'b00011000; // **
- 11'h2cc: data = 8'b00110000; // **
- 11'h2cd: data = 8'b00000000; //
- 11'h2ce: data = 8'b00000000; //
- 11'h2cf: data = 8'b00000000; //
- //code x2d
- 11'h2d0: data = 8'b00000000; //
- 11'h2d1: data = 8'b00000000; //
- 11'h2d2: data = 8'b00000000; //
- 11'h2d3: data = 8'b00000000; //
- 11'h2d4: data = 8'b00000000; //
- 11'h2d5: data = 8'b00000000; //
- 11'h2d6: data = 8'b00000000; //
- 11'h2d7: data = 8'b01111110; // ******
- 11'h2d8: data = 8'b00000000; //
- 11'h2d9: data = 8'b00000000; //
- 11'h2da: data = 8'b00000000; //
- 11'h2db: data = 8'b00000000; //
- 11'h2dc: data = 8'b00000000; //
- 11'h2dd: data = 8'b00000000; //
- 11'h2de: data = 8'b00000000; //
- 11'h2df: data = 8'b00000000; //
- //code x2e
- 11'h2e0: data = 8'b00000000; //
- 11'h2e1: data = 8'b00000000; //
- 11'h2e2: data = 8'b00000000; //
- 11'h2e3: data = 8'b00000000; //
- 11'h2e4: data = 8'b00000000; //
- 11'h2e5: data = 8'b00000000; //
- 11'h2e6: data = 8'b00000000; //
- 11'h2e7: data = 8'b00000000; //
- 11'h2e8: data = 8'b00000000; //
- 11'h2e9: data = 8'b00000000; //
- 11'h2ea: data = 8'b00011000; // **
- 11'h2eb: data = 8'b00011000; // **
- 11'h2ec: data = 8'b00000000; //
- 11'h2ed: data = 8'b00000000; //
- 11'h2ee: data = 8'b00000000; //
- 11'h2ef: data = 8'b00000000; //
- //code x2f
- 11'h2f0: data = 8'b00000000; //
- 11'h2f1: data = 8'b00000000; //
- 11'h2f2: data = 8'b00000000; //
- 11'h2f3: data = 8'b00000000; //
- 11'h2f4: data = 8'b00000010; // *
- 11'h2f5: data = 8'b00000110; // **
- 11'h2f6: data = 8'b00001100; // **
- 11'h2f7: data = 8'b00011000; // **
- 11'h2f8: data = 8'b00110000; // **
- 11'h2f9: data = 8'b01100000; // **
- 11'h2fa: data = 8'b11000000; // **
- 11'h2fb: data = 8'b10000000; // *
- 11'h2fc: data = 8'b00000000; //
- 11'h2fd: data = 8'b00000000; //
- 11'h2fe: data = 8'b00000000; //
- 11'h2ff: data = 8'b00000000; //
- //code x30
- 11'h300: data = 8'b00000000; //
- 11'h301: data = 8'b00000000; //
- 11'h302: data = 8'b01111100; // *****
- 11'h303: data = 8'b11000110; // ** **
- 11'h304: data = 8'b11000110; // ** **
- 11'h305: data = 8'b11001110; // ** ***
- 11'h306: data = 8'b11011110; // ** ****
- 11'h307: data = 8'b11110110; // **** **
- 11'h308: data = 8'b11100110; // *** **
- 11'h309: data = 8'b11000110; // ** **
- 11'h30a: data = 8'b11000110; // ** **
- 11'h30b: data = 8'b01111100; // *****
- 11'h30c: data = 8'b00000000; //
- 11'h30d: data = 8'b00000000; //
- 11'h30e: data = 8'b00000000; //
- 11'h30f: data = 8'b00000000; //
- //code x31
- 11'h310: data = 8'b00000000; //
- 11'h311: data = 8'b00000000; //
- 11'h312: data = 8'b00011000; //
- 11'h313: data = 8'b00111000; //
- 11'h314: data = 8'b01111000; // **
- 11'h315: data = 8'b00011000; // ***
- 11'h316: data = 8'b00011000; // ****
- 11'h317: data = 8'b00011000; // **
- 11'h318: data = 8'b00011000; // **
- 11'h319: data = 8'b00011000; // **
- 11'h31a: data = 8'b00011000; // **
- 11'h31b: data = 8'b01111110; // **
- 11'h31c: data = 8'b00000000; // **
- 11'h31d: data = 8'b00000000; // ******
- 11'h31e: data = 8'b00000000; //
- 11'h31f: data = 8'b00000000; //
- //code x32
- 11'h320: data = 8'b00000000; //
- 11'h321: data = 8'b00000000; //
- 11'h322: data = 8'b01111100; // *****
- 11'h323: data = 8'b11000110; // ** **
- 11'h324: data = 8'b00000110; // **
- 11'h325: data = 8'b00001100; // **
- 11'h326: data = 8'b00011000; // **
- 11'h327: data = 8'b00110000; // **
- 11'h328: data = 8'b01100000; // **
- 11'h329: data = 8'b11000000; // **
- 11'h32a: data = 8'b11000110; // ** **
- 11'h32b: data = 8'b11111110; // *******
- 11'h32c: data = 8'b00000000; //
- 11'h32d: data = 8'b00000000; //
- 11'h32e: data = 8'b00000000; //
- 11'h32f: data = 8'b00000000; //
- //code x33
- 11'h330: data = 8'b00000000; //
- 11'h331: data = 8'b00000000; //
- 11'h332: data = 8'b01111100; // *****
- 11'h333: data = 8'b11000110; // ** **
- 11'h334: data = 8'b00000110; // **
- 11'h335: data = 8'b00000110; // **
- 11'h336: data = 8'b00111100; // ****
- 11'h337: data = 8'b00000110; // **
- 11'h338: data = 8'b00000110; // **
- 11'h339: data = 8'b00000110; // **
- 11'h33a: data = 8'b11000110; // ** **
- 11'h33b: data = 8'b01111100; // *****
- 11'h33c: data = 8'b00000000; //
- 11'h33d: data = 8'b00000000; //
- 11'h33e: data = 8'b00000000; //
- 11'h33f: data = 8'b00000000; //
- //code x34
- 11'h340: data = 8'b00000000; //
- 11'h341: data = 8'b00000000; //
- 11'h342: data = 8'b00001100; // **
- 11'h343: data = 8'b00011100; // ***
- 11'h344: data = 8'b00111100; // ****
- 11'h345: data = 8'b01101100; // ** **
- 11'h346: data = 8'b11001100; // ** **
- 11'h347: data = 8'b11111110; // *******
- 11'h348: data = 8'b00001100; // **
- 11'h349: data = 8'b00001100; // **
- 11'h34a: data = 8'b00001100; // **
- 11'h34b: data = 8'b00011110; // ****
- 11'h34c: data = 8'b00000000; //
- 11'h34d: data = 8'b00000000; //
- 11'h34e: data = 8'b00000000; //
- 11'h34f: data = 8'b00000000; //
- //code x35
- 11'h350: data = 8'b00000000; //
- 11'h351: data = 8'b00000000; //
- 11'h352: data = 8'b11111110; // *******
- 11'h353: data = 8'b11000000; // **
- 11'h354: data = 8'b11000000; // **
- 11'h355: data = 8'b11000000; // **
- 11'h356: data = 8'b11111100; // ******
- 11'h357: data = 8'b00000110; // **
- 11'h358: data = 8'b00000110; // **
- 11'h359: data = 8'b00000110; // **
- 11'h35a: data = 8'b11000110; // ** **
- 11'h35b: data = 8'b01111100; // *****
- 11'h35c: data = 8'b00000000; //
- 11'h35d: data = 8'b00000000; //
- 11'h35e: data = 8'b00000000; //
- 11'h35f: data = 8'b00000000; //
- //code x36
- 11'h360: data = 8'b00000000; //
- 11'h361: data = 8'b00000000; //
- 11'h362: data = 8'b00111000; // ***
- 11'h363: data = 8'b01100000; // **
- 11'h364: data = 8'b11000000; // **
- 11'h365: data = 8'b11000000; // **
- 11'h366: data = 8'b11111100; // ******
- 11'h367: data = 8'b11000110; // ** **
- 11'h368: data = 8'b11000110; // ** **
- 11'h369: data = 8'b11000110; // ** **
- 11'h36a: data = 8'b11000110; // ** **
- 11'h36b: data = 8'b01111100; // *****
- 11'h36c: data = 8'b00000000; //
- 11'h36d: data = 8'b00000000; //
- 11'h36e: data = 8'b00000000; //
- 11'h36f: data = 8'b00000000; //
- //code x37
- 11'h370: data = 8'b00000000; //
- 11'h371: data = 8'b00000000; //
- 11'h372: data = 8'b11111110; // *******
- 11'h373: data = 8'b11000110; // ** **
- 11'h374: data = 8'b00000110; // **
- 11'h375: data = 8'b00000110; // **
- 11'h376: data = 8'b00001100; // **
- 11'h377: data = 8'b00011000; // **
- 11'h378: data = 8'b00110000; // **
- 11'h379: data = 8'b00110000; // **
- 11'h37a: data = 8'b00110000; // **
- 11'h37b: data = 8'b00110000; // **
- 11'h37c: data = 8'b00000000; //
- 11'h37d: data = 8'b00000000; //
- 11'h37e: data = 8'b00000000; //
- 11'h37f: data = 8'b00000000; //
- //code x38
- 11'h380: data = 8'b00000000; //
- 11'h381: data = 8'b00000000; //
- 11'h382: data = 8'b01111100; // *****
- 11'h383: data = 8'b11000110; // ** **
- 11'h384: data = 8'b11000110; // ** **
- 11'h385: data = 8'b11000110; // ** **
- 11'h386: data = 8'b01111100; // *****
- 11'h387: data = 8'b11000110; // ** **
- 11'h388: data = 8'b11000110; // ** **
- 11'h389: data = 8'b11000110; // ** **
- 11'h38a: data = 8'b11000110; // ** **
- 11'h38b: data = 8'b01111100; // *****
- 11'h38c: data = 8'b00000000; //
- 11'h38d: data = 8'b00000000; //
- 11'h38e: data = 8'b00000000; //
- 11'h38f: data = 8'b00000000; //
- //code x39
- 11'h390: data = 8'b00000000; //
- 11'h391: data = 8'b00000000; //
- 11'h392: data = 8'b01111100; // *****
- 11'h393: data = 8'b11000110; // ** **
- 11'h394: data = 8'b11000110; // ** **
- 11'h395: data = 8'b11000110; // ** **
- 11'h396: data = 8'b01111110; // ******
- 11'h397: data = 8'b00000110; // **
- 11'h398: data = 8'b00000110; // **
- 11'h399: data = 8'b00000110; // **
- 11'h39a: data = 8'b00001100; // **
- 11'h39b: data = 8'b01111000; // ****
- 11'h39c: data = 8'b00000000; //
- 11'h39d: data = 8'b00000000; //
- 11'h39e: data = 8'b00000000; //
- 11'h39f: data = 8'b00000000; //
- //code x3a
- 11'h3a0: data = 8'b00000000; //
- 11'h3a1: data = 8'b00000000; //
- 11'h3a2: data = 8'b00000000; //
- 11'h3a3: data = 8'b00000000; //
- 11'h3a4: data = 8'b00011000; // **
- 11'h3a5: data = 8'b00011000; // **
- 11'h3a6: data = 8'b00000000; //
- 11'h3a7: data = 8'b00000000; //
- 11'h3a8: data = 8'b00000000; //
- 11'h3a9: data = 8'b00011000; // **
- 11'h3aa: data = 8'b00011000; // **
- 11'h3ab: data = 8'b00000000; //
- 11'h3ac: data = 8'b00000000; //
- 11'h3ad: data = 8'b00000000; //
- 11'h3ae: data = 8'b00000000; //
- 11'h3af: data = 8'b00000000; //
- //code x3b
- 11'h3b0: data = 8'b00000000; //
- 11'h3b1: data = 8'b00000000; //
- 11'h3b2: data = 8'b00000000; //
- 11'h3b3: data = 8'b00000000; //
- 11'h3b4: data = 8'b00011000; // **
- 11'h3b5: data = 8'b00011000; // **
- 11'h3b6: data = 8'b00000000; //
- 11'h3b7: data = 8'b00000000; //
- 11'h3b8: data = 8'b00000000; //
- 11'h3b9: data = 8'b00011000; // **
- 11'h3ba: data = 8'b00011000; // **
- 11'h3bb: data = 8'b00110000; // **
- 11'h3bc: data = 8'b00000000; //
- 11'h3bd: data = 8'b00000000; //
- 11'h3be: data = 8'b00000000; //
- 11'h3bf: data = 8'b00000000; //
- //code x3c
- 11'h3c0: data = 8'b00000000; //
- 11'h3c1: data = 8'b00000000; //
- 11'h3c2: data = 8'b00000000; //
- 11'h3c3: data = 8'b00000110; // **
- 11'h3c4: data = 8'b00001100; // **
- 11'h3c5: data = 8'b00011000; // **
- 11'h3c6: data = 8'b00110000; // **
- 11'h3c7: data = 8'b01100000; // **
- 11'h3c8: data = 8'b00110000; // **
- 11'h3c9: data = 8'b00011000; // **
- 11'h3ca: data = 8'b00001100; // **
- 11'h3cb: data = 8'b00000110; // **
- 11'h3cc: data = 8'b00000000; //
- 11'h3cd: data = 8'b00000000; //
- 11'h3ce: data = 8'b00000000; //
- 11'h3cf: data = 8'b00000000; //
- //code x3d
- 11'h3d0: data = 8'b00000000; //
- 11'h3d1: data = 8'b00000000; //
- 11'h3d2: data = 8'b00000000; //
- 11'h3d3: data = 8'b00000000; //
- 11'h3d4: data = 8'b00000000; //
- 11'h3d5: data = 8'b01111110; // ******
- 11'h3d6: data = 8'b00000000; //
- 11'h3d7: data = 8'b00000000; //
- 11'h3d8: data = 8'b01111110; // ******
- 11'h3d9: data = 8'b00000000; //
- 11'h3da: data = 8'b00000000; //
- 11'h3db: data = 8'b00000000; //
- 11'h3dc: data = 8'b00000000; //
- 11'h3dd: data = 8'b00000000; //
- 11'h3de: data = 8'b00000000; //
- 11'h3df: data = 8'b00000000; //
- //code x3e
- 11'h3e0: data = 8'b00000000; //
- 11'h3e1: data = 8'b00000000; //
- 11'h3e2: data = 8'b00000000; //
- 11'h3e3: data = 8'b01100000; // **
- 11'h3e4: data = 8'b00110000; // **
- 11'h3e5: data = 8'b00011000; // **
- 11'h3e6: data = 8'b00001100; // **
- 11'h3e7: data = 8'b00000110; // **
- 11'h3e8: data = 8'b00001100; // **
- 11'h3e9: data = 8'b00011000; // **
- 11'h3ea: data = 8'b00110000; // **
- 11'h3eb: data = 8'b01100000; // **
- 11'h3ec: data = 8'b00000000; //
- 11'h3ed: data = 8'b00000000; //
- 11'h3ee: data = 8'b00000000; //
- 11'h3ef: data = 8'b00000000; //
- //code x3f
- 11'h3f0: data = 8'b00000000; //
- 11'h3f1: data = 8'b00000000; //
- 11'h3f2: data = 8'b01111100; // *****
- 11'h3f3: data = 8'b11000110; // ** **
- 11'h3f4: data = 8'b11000110; // ** **
- 11'h3f5: data = 8'b00001100; // **
- 11'h3f6: data = 8'b00011000; // **
- 11'h3f7: data = 8'b00011000; // **
- 11'h3f8: data = 8'b00011000; // **
- 11'h3f9: data = 8'b00000000; //
- 11'h3fa: data = 8'b00011000; // **
- 11'h3fb: data = 8'b00011000; // **
- 11'h3fc: data = 8'b00000000; //
- 11'h3fd: data = 8'b00000000; //
- 11'h3fe: data = 8'b00000000; //
- 11'h3ff: data = 8'b00000000; //
- //code x40
- 11'h400: data = 8'b00000000; //
- 11'h401: data = 8'b00000000; //
- 11'h402: data = 8'b01111100; // *****
- 11'h403: data = 8'b11000110; // ** **
- 11'h404: data = 8'b11000110; // ** **
- 11'h405: data = 8'b11000110; // ** **
- 11'h406: data = 8'b11011110; // ** ****
- 11'h407: data = 8'b11011110; // ** ****
- 11'h408: data = 8'b11011110; // ** ****
- 11'h409: data = 8'b11011100; // ** ***
- 11'h40a: data = 8'b11000000; // **
- 11'h40b: data = 8'b01111100; // *****
- 11'h40c: data = 8'b00000000; //
- 11'h40d: data = 8'b00000000; //
- 11'h40e: data = 8'b00000000; //
- 11'h40f: data = 8'b00000000; //
- //code x41
- 11'h410: data = 8'b00000000; //
- 11'h411: data = 8'b00000000; //
- 11'h412: data = 8'b00010000; // *
- 11'h413: data = 8'b00111000; // ***
- 11'h414: data = 8'b01101100; // ** **
- 11'h415: data = 8'b11000110; // ** **
- 11'h416: data = 8'b11000110; // ** **
- 11'h417: data = 8'b11111110; // *******
- 11'h418: data = 8'b11000110; // ** **
- 11'h419: data = 8'b11000110; // ** **
- 11'h41a: data = 8'b11000110; // ** **
- 11'h41b: data = 8'b11000110; // ** **
- 11'h41c: data = 8'b00000000; //
- 11'h41d: data = 8'b00000000; //
- 11'h41e: data = 8'b00000000; //
- 11'h41f: data = 8'b00000000; //
- //code x42
- 11'h420: data = 8'b00000000; //
- 11'h421: data = 8'b00000000; //
- 11'h422: data = 8'b11111100; // ******
- 11'h423: data = 8'b01100110; // ** **
- 11'h424: data = 8'b01100110; // ** **
- 11'h425: data = 8'b01100110; // ** **
- 11'h426: data = 8'b01111100; // *****
- 11'h427: data = 8'b01100110; // ** **
- 11'h428: data = 8'b01100110; // ** **
- 11'h429: data = 8'b01100110; // ** **
- 11'h42a: data = 8'b01100110; // ** **
- 11'h42b: data = 8'b11111100; // ******
- 11'h42c: data = 8'b00000000; //
- 11'h42d: data = 8'b00000000; //
- 11'h42e: data = 8'b00000000; //
- 11'h42f: data = 8'b00000000; //
- //code x43
- 11'h430: data = 8'b00000000; //
- 11'h431: data = 8'b00000000; //
- 11'h432: data = 8'b00111100; // ****
- 11'h433: data = 8'b01100110; // ** **
- 11'h434: data = 8'b11000010; // ** *
- 11'h435: data = 8'b11000000; // **
- 11'h436: data = 8'b11000000; // **
- 11'h437: data = 8'b11000000; // **
- 11'h438: data = 8'b11000000; // **
- 11'h439: data = 8'b11000010; // ** *
- 11'h43a: data = 8'b01100110; // ** **
- 11'h43b: data = 8'b00111100; // ****
- 11'h43c: data = 8'b00000000; //
- 11'h43d: data = 8'b00000000; //
- 11'h43e: data = 8'b00000000; //
- 11'h43f: data = 8'b00000000; //
- //code x44
- 11'h440: data = 8'b00000000; //
- 11'h441: data = 8'b00000000; //
- 11'h442: data = 8'b11111000; // *****
- 11'h443: data = 8'b01101100; // ** **
- 11'h444: data = 8'b01100110; // ** **
- 11'h445: data = 8'b01100110; // ** **
- 11'h446: data = 8'b01100110; // ** **
- 11'h447: data = 8'b01100110; // ** **
- 11'h448: data = 8'b01100110; // ** **
- 11'h449: data = 8'b01100110; // ** **
- 11'h44a: data = 8'b01101100; // ** **
- 11'h44b: data = 8'b11111000; // *****
- 11'h44c: data = 8'b00000000; //
- 11'h44d: data = 8'b00000000; //
- 11'h44e: data = 8'b00000000; //
- 11'h44f: data = 8'b00000000; //
- //code x45
- 11'h450: data = 8'b00000000; //
- 11'h451: data = 8'b00000000; //
- 11'h452: data = 8'b11111110; // *******
- 11'h453: data = 8'b01100110; // ** **
- 11'h454: data = 8'b01100010; // ** *
- 11'h455: data = 8'b01101000; // ** *
- 11'h456: data = 8'b01111000; // ****
- 11'h457: data = 8'b01101000; // ** *
- 11'h458: data = 8'b01100000; // **
- 11'h459: data = 8'b01100010; // ** *
- 11'h45a: data = 8'b01100110; // ** **
- 11'h45b: data = 8'b11111110; // *******
- 11'h45c: data = 8'b00000000; //
- 11'h45d: data = 8'b00000000; //
- 11'h45e: data = 8'b00000000; //
- 11'h45f: data = 8'b00000000; //
- //code x46
- 11'h460: data = 8'b00000000; //
- 11'h461: data = 8'b00000000; //
- 11'h462: data = 8'b11111110; // *******
- 11'h463: data = 8'b01100110; // ** **
- 11'h464: data = 8'b01100010; // ** *
- 11'h465: data = 8'b01101000; // ** *
- 11'h466: data = 8'b01111000; // ****
- 11'h467: data = 8'b01101000; // ** *
- 11'h468: data = 8'b01100000; // **
- 11'h469: data = 8'b01100000; // **
- 11'h46a: data = 8'b01100000; // **
- 11'h46b: data = 8'b11110000; // ****
- 11'h46c: data = 8'b00000000; //
- 11'h46d: data = 8'b00000000; //
- 11'h46e: data = 8'b00000000; //
- 11'h46f: data = 8'b00000000; //
- //code x47
- 11'h470: data = 8'b00000000; //
- 11'h471: data = 8'b00000000; //
- 11'h472: data = 8'b00111100; // ****
- 11'h473: data = 8'b01100110; // ** **
- 11'h474: data = 8'b11000010; // ** *
- 11'h475: data = 8'b11000000; // **
- 11'h476: data = 8'b11000000; // **
- 11'h477: data = 8'b11011110; // ** ****
- 11'h478: data = 8'b11000110; // ** **
- 11'h479: data = 8'b11000110; // ** **
- 11'h47a: data = 8'b01100110; // ** **
- 11'h47b: data = 8'b00111010; // *** *
- 11'h47c: data = 8'b00000000; //
- 11'h47d: data = 8'b00000000; //
- 11'h47e: data = 8'b00000000; //
- 11'h47f: data = 8'b00000000; //
- //code x48
- 11'h480: data = 8'b00000000; //
- 11'h481: data = 8'b00000000; //
- 11'h482: data = 8'b11000110; // ** **
- 11'h483: data = 8'b11000110; // ** **
- 11'h484: data = 8'b11000110; // ** **
- 11'h485: data = 8'b11000110; // ** **
- 11'h486: data = 8'b11111110; // *******
- 11'h487: data = 8'b11000110; // ** **
- 11'h488: data = 8'b11000110; // ** **
- 11'h489: data = 8'b11000110; // ** **
- 11'h48a: data = 8'b11000110; // ** **
- 11'h48b: data = 8'b11000110; // ** **
- 11'h48c: data = 8'b00000000; //
- 11'h48d: data = 8'b00000000; //
- 11'h48e: data = 8'b00000000; //
- 11'h48f: data = 8'b00000000; //
- //code x49
- 11'h490: data = 8'b00000000; //
- 11'h491: data = 8'b00000000; //
- 11'h492: data = 8'b00111100; // ****
- 11'h493: data = 8'b00011000; // **
- 11'h494: data = 8'b00011000; // **
- 11'h495: data = 8'b00011000; // **
- 11'h496: data = 8'b00011000; // **
- 11'h497: data = 8'b00011000; // **
- 11'h498: data = 8'b00011000; // **
- 11'h499: data = 8'b00011000; // **
- 11'h49a: data = 8'b00011000; // **
- 11'h49b: data = 8'b00111100; // ****
- 11'h49c: data = 8'b00000000; //
- 11'h49d: data = 8'b00000000; //
- 11'h49e: data = 8'b00000000; //
- 11'h49f: data = 8'b00000000; //
- //code x4a
- 11'h4a0: data = 8'b00000000; //
- 11'h4a1: data = 8'b00000000; //
- 11'h4a2: data = 8'b00011110; // ****
- 11'h4a3: data = 8'b00001100; // **
- 11'h4a4: data = 8'b00001100; // **
- 11'h4a5: data = 8'b00001100; // **
- 11'h4a6: data = 8'b00001100; // **
- 11'h4a7: data = 8'b00001100; // **
- 11'h4a8: data = 8'b11001100; // ** **
- 11'h4a9: data = 8'b11001100; // ** **
- 11'h4aa: data = 8'b11001100; // ** **
- 11'h4ab: data = 8'b01111000; // ****
- 11'h4ac: data = 8'b00000000; //
- 11'h4ad: data = 8'b00000000; //
- 11'h4ae: data = 8'b00000000; //
- 11'h4af: data = 8'b00000000; //
- //code x4b
- 11'h4b0: data = 8'b00000000; //
- 11'h4b1: data = 8'b00000000; //
- 11'h4b2: data = 8'b11100110; // *** **
- 11'h4b3: data = 8'b01100110; // ** **
- 11'h4b4: data = 8'b01100110; // ** **
- 11'h4b5: data = 8'b01101100; // ** **
- 11'h4b6: data = 8'b01111000; // ****
- 11'h4b7: data = 8'b01111000; // ****
- 11'h4b8: data = 8'b01101100; // ** **
- 11'h4b9: data = 8'b01100110; // ** **
- 11'h4ba: data = 8'b01100110; // ** **
- 11'h4bb: data = 8'b11100110; // *** **
- 11'h4bc: data = 8'b00000000; //
- 11'h4bd: data = 8'b00000000; //
- 11'h4be: data = 8'b00000000; //
- 11'h4bf: data = 8'b00000000; //
- //code x4c
- 11'h4c0: data = 8'b00000000; //
- 11'h4c1: data = 8'b00000000; //
- 11'h4c2: data = 8'b11110000; // ****
- 11'h4c3: data = 8'b01100000; // **
- 11'h4c4: data = 8'b01100000; // **
- 11'h4c5: data = 8'b01100000; // **
- 11'h4c6: data = 8'b01100000; // **
- 11'h4c7: data = 8'b01100000; // **
- 11'h4c8: data = 8'b01100000; // **
- 11'h4c9: data = 8'b01100010; // ** *
- 11'h4ca: data = 8'b01100110; // ** **
- 11'h4cb: data = 8'b11111110; // *******
- 11'h4cc: data = 8'b00000000; //
- 11'h4cd: data = 8'b00000000; //
- 11'h4ce: data = 8'b00000000; //
- 11'h4cf: data = 8'b00000000; //
- //code x4d
- 11'h4d0: data = 8'b00000000; //
- 11'h4d1: data = 8'b00000000; //
- 11'h4d2: data = 8'b11000011; // ** **
- 11'h4d3: data = 8'b11100111; // *** ***
- 11'h4d4: data = 8'b11111111; // ********
- 11'h4d5: data = 8'b11111111; // ********
- 11'h4d6: data = 8'b11011011; // ** ** **
- 11'h4d7: data = 8'b11000011; // ** **
- 11'h4d8: data = 8'b11000011; // ** **
- 11'h4d9: data = 8'b11000011; // ** **
- 11'h4da: data = 8'b11000011; // ** **
- 11'h4db: data = 8'b11000011; // ** **
- 11'h4dc: data = 8'b00000000; //
- 11'h4dd: data = 8'b00000000; //
- 11'h4de: data = 8'b00000000; //
- 11'h4df: data = 8'b00000000; //
- //code x4e
- 11'h4e0: data = 8'b00000000; //
- 11'h4e1: data = 8'b00000000; //
- 11'h4e2: data = 8'b11000110; // ** **
- 11'h4e3: data = 8'b11100110; // *** **
- 11'h4e4: data = 8'b11110110; // **** **
- 11'h4e5: data = 8'b11111110; // *******
- 11'h4e6: data = 8'b11011110; // ** ****
- 11'h4e7: data = 8'b11001110; // ** ***
- 11'h4e8: data = 8'b11000110; // ** **
- 11'h4e9: data = 8'b11000110; // ** **
- 11'h4ea: data = 8'b11000110; // ** **
- 11'h4eb: data = 8'b11000110; // ** **
- 11'h4ec: data = 8'b00000000; //
- 11'h4ed: data = 8'b00000000; //
- 11'h4ee: data = 8'b00000000; //
- 11'h4ef: data = 8'b00000000; //
- //code x4f
- 11'h4f0: data = 8'b00000000; //
- 11'h4f1: data = 8'b00000000; //
- 11'h4f2: data = 8'b01111100; // *****
- 11'h4f3: data = 8'b11000110; // ** **
- 11'h4f4: data = 8'b11000110; // ** **
- 11'h4f5: data = 8'b11000110; // ** **
- 11'h4f6: data = 8'b11000110; // ** **
- 11'h4f7: data = 8'b11000110; // ** **
- 11'h4f8: data = 8'b11000110; // ** **
- 11'h4f9: data = 8'b11000110; // ** **
- 11'h4fa: data = 8'b11000110; // ** **
- 11'h4fb: data = 8'b01111100; // *****
- 11'h4fc: data = 8'b00000000; //
- 11'h4fd: data = 8'b00000000; //
- 11'h4fe: data = 8'b00000000; //
- 11'h4ff: data = 8'b00000000; //
- //code x50
- 11'h500: data = 8'b00000000; //
- 11'h501: data = 8'b00000000; //
- 11'h502: data = 8'b11111100; // ******
- 11'h503: data = 8'b01100110; // ** **
- 11'h504: data = 8'b01100110; // ** **
- 11'h505: data = 8'b01100110; // ** **
- 11'h506: data = 8'b01111100; // *****
- 11'h507: data = 8'b01100000; // **
- 11'h508: data = 8'b01100000; // **
- 11'h509: data = 8'b01100000; // **
- 11'h50a: data = 8'b01100000; // **
- 11'h50b: data = 8'b11110000; // ****
- 11'h50c: data = 8'b00000000; //
- 11'h50d: data = 8'b00000000; //
- 11'h50e: data = 8'b00000000; //
- 11'h50f: data = 8'b00000000; //
- //code x510f
- 11'h510: data = 8'b00000000; //
- 11'h511: data = 8'b00000000; //
- 11'h512: data = 8'b01111100; // *****
- 11'h513: data = 8'b11000110; // ** **
- 11'h514: data = 8'b11000110; // ** **
- 11'h515: data = 8'b11000110; // ** **
- 11'h516: data = 8'b11000110; // ** **
- 11'h517: data = 8'b11000110; // ** **
- 11'h518: data = 8'b11000110; // ** **
- 11'h519: data = 8'b11010110; // ** * **
- 11'h51a: data = 8'b11011110; // ** ****
- 11'h51b: data = 8'b01111100; // *****
- 11'h51c: data = 8'b00001100; // **
- 11'h51d: data = 8'b00001110; // ***
- 11'h51e: data = 8'b00000000; //
- 11'h51f: data = 8'b00000000; //
- //code x52
- 11'h520: data = 8'b00000000; //
- 11'h521: data = 8'b00000000; //
- 11'h522: data = 8'b11111100; // ******
- 11'h523: data = 8'b01100110; // ** **
- 11'h524: data = 8'b01100110; // ** **
- 11'h525: data = 8'b01100110; // ** **
- 11'h526: data = 8'b01111100; // *****
- 11'h527: data = 8'b01101100; // ** **
- 11'h528: data = 8'b01100110; // ** **
- 11'h529: data = 8'b01100110; // ** **
- 11'h52a: data = 8'b01100110; // ** **
- 11'h52b: data = 8'b11100110; // *** **
- 11'h52c: data = 8'b00000000; //
- 11'h52d: data = 8'b00000000; //
- 11'h52e: data = 8'b00000000; //
- 11'h52f: data = 8'b00000000; //
- //code x53
- 11'h530: data = 8'b00000000; //
- 11'h531: data = 8'b00000000; //
- 11'h532: data = 8'b01111100; // *****
- 11'h533: data = 8'b11000110; // ** **
- 11'h534: data = 8'b11000110; // ** **
- 11'h535: data = 8'b01100000; // **
- 11'h536: data = 8'b00111000; // ***
- 11'h537: data = 8'b00001100; // **
- 11'h538: data = 8'b00000110; // **
- 11'h539: data = 8'b11000110; // ** **
- 11'h53a: data = 8'b11000110; // ** **
- 11'h53b: data = 8'b01111100; // *****
- 11'h53c: data = 8'b00000000; //
- 11'h53d: data = 8'b00000000; //
- 11'h53e: data = 8'b00000000; //
- 11'h53f: data = 8'b00000000; //
- //code x54
- 11'h540: data = 8'b00000000; //
- 11'h541: data = 8'b00000000; //
- 11'h542: data = 8'b11111111; // ********
- 11'h543: data = 8'b11011011; // ** ** **
- 11'h544: data = 8'b10011001; // * ** *
- 11'h545: data = 8'b00011000; // **
- 11'h546: data = 8'b00011000; // **
- 11'h547: data = 8'b00011000; // **
- 11'h548: data = 8'b00011000; // **
- 11'h549: data = 8'b00011000; // **
- 11'h54a: data = 8'b00011000; // **
- 11'h54b: data = 8'b00111100; // ****
- 11'h54c: data = 8'b00000000; //
- 11'h54d: data = 8'b00000000; //
- 11'h54e: data = 8'b00000000; //
- 11'h54f: data = 8'b00000000; //
- //code x55
- 11'h550: data = 8'b00000000; //
- 11'h551: data = 8'b00000000; //
- 11'h552: data = 8'b11000110; // ** **
- 11'h553: data = 8'b11000110; // ** **
- 11'h554: data = 8'b11000110; // ** **
- 11'h555: data = 8'b11000110; // ** **
- 11'h556: data = 8'b11000110; // ** **
- 11'h557: data = 8'b11000110; // ** **
- 11'h558: data = 8'b11000110; // ** **
- 11'h559: data = 8'b11000110; // ** **
- 11'h55a: data = 8'b11000110; // ** **
- 11'h55b: data = 8'b01111100; // *****
- 11'h55c: data = 8'b00000000; //
- 11'h55d: data = 8'b00000000; //
- 11'h55e: data = 8'b00000000; //
- 11'h55f: data = 8'b00000000; //
- //code x56
- 11'h560: data = 8'b00000000; //
- 11'h561: data = 8'b00000000; //
- 11'h562: data = 8'b11000011; // ** **
- 11'h563: data = 8'b11000011; // ** **
- 11'h564: data = 8'b11000011; // ** **
- 11'h565: data = 8'b11000011; // ** **
- 11'h566: data = 8'b11000011; // ** **
- 11'h567: data = 8'b11000011; // ** **
- 11'h568: data = 8'b11000011; // ** **
- 11'h569: data = 8'b01100110; // ** **
- 11'h56a: data = 8'b00111100; // ****
- 11'h56b: data = 8'b00011000; // **
- 11'h56c: data = 8'b00000000; //
- 11'h56d: data = 8'b00000000; //
- 11'h56e: data = 8'b00000000; //
- 11'h56f: data = 8'b00000000; //
- //code x57
- 11'h570: data = 8'b00000000; //
- 11'h571: data = 8'b00000000; //
- 11'h572: data = 8'b11000011; // ** **
- 11'h573: data = 8'b11000011; // ** **
- 11'h574: data = 8'b11000011; // ** **
- 11'h575: data = 8'b11000011; // ** **
- 11'h576: data = 8'b11000011; // ** **
- 11'h577: data = 8'b11011011; // ** ** **
- 11'h578: data = 8'b11011011; // ** ** **
- 11'h579: data = 8'b11111111; // ********
- 11'h57a: data = 8'b01100110; // ** **
- 11'h57b: data = 8'b01100110; // ** **
- 11'h57c: data = 8'b00000000; //
- 11'h57d: data = 8'b00000000; //
- 11'h57e: data = 8'b00000000; //
- 11'h57f: data = 8'b00000000; //
- //code x58
- 11'h580: data = 8'b00000000; //
- 11'h581: data = 8'b00000000; //
- 11'h582: data = 8'b11000011; // ** **
- 11'h583: data = 8'b11000011; // ** **
- 11'h584: data = 8'b01100110; // ** **
- 11'h585: data = 8'b00111100; // ****
- 11'h586: data = 8'b00011000; // **
- 11'h587: data = 8'b00011000; // **
- 11'h588: data = 8'b00111100; // ****
- 11'h589: data = 8'b01100110; // ** **
- 11'h58a: data = 8'b11000011; // ** **
- 11'h58b: data = 8'b11000011; // ** **
- 11'h58c: data = 8'b00000000; //
- 11'h58d: data = 8'b00000000; //
- 11'h58e: data = 8'b00000000; //
- 11'h58f: data = 8'b00000000; //
- //code x59
- 11'h590: data = 8'b00000000; //
- 11'h591: data = 8'b00000000; //
- 11'h592: data = 8'b11000011; // ** **
- 11'h593: data = 8'b11000011; // ** **
- 11'h594: data = 8'b11000011; // ** **
- 11'h595: data = 8'b01100110; // ** **
- 11'h596: data = 8'b00111100; // ****
- 11'h597: data = 8'b00011000; // **
- 11'h598: data = 8'b00011000; // **
- 11'h599: data = 8'b00011000; // **
- 11'h59a: data = 8'b00011000; // **
- 11'h59b: data = 8'b00111100; // ****
- 11'h59c: data = 8'b00000000; //
- 11'h59d: data = 8'b00000000; //
- 11'h59e: data = 8'b00000000; //
- 11'h59f: data = 8'b00000000; //
- //code x5a
- 11'h5a0: data = 8'b00000000; //
- 11'h5a1: data = 8'b00000000; //
- 11'h5a2: data = 8'b11111111; // ********
- 11'h5a3: data = 8'b11000011; // ** **
- 11'h5a4: data = 8'b10000110; // * **
- 11'h5a5: data = 8'b00001100; // **
- 11'h5a6: data = 8'b00011000; // **
- 11'h5a7: data = 8'b00110000; // **
- 11'h5a8: data = 8'b01100000; // **
- 11'h5a9: data = 8'b11000001; // ** *
- 11'h5aa: data = 8'b11000011; // ** **
- 11'h5ab: data = 8'b11111111; // ********
- 11'h5ac: data = 8'b00000000; //
- 11'h5ad: data = 8'b00000000; //
- 11'h5ae: data = 8'b00000000; //
- 11'h5af: data = 8'b00000000; //
- //code x5b
- 11'h5b0: data = 8'b00000000; //
- 11'h5b1: data = 8'b00000000; //
- 11'h5b2: data = 8'b00111100; // ****
- 11'h5b3: data = 8'b00110000; // **
- 11'h5b4: data = 8'b00110000; // **
- 11'h5b5: data = 8'b00110000; // **
- 11'h5b6: data = 8'b00110000; // **
- 11'h5b7: data = 8'b00110000; // **
- 11'h5b8: data = 8'b00110000; // **
- 11'h5b9: data = 8'b00110000; // **
- 11'h5ba: data = 8'b00110000; // **
- 11'h5bb: data = 8'b00111100; // ****
- 11'h5bc: data = 8'b00000000; //
- 11'h5bd: data = 8'b00000000; //
- 11'h5be: data = 8'b00000000; //
- 11'h5bf: data = 8'b00000000; //
- //code x5c
- 11'h5c0: data = 8'b00000000; //
- 11'h5c1: data = 8'b00000000; //
- 11'h5c2: data = 8'b00000000; //
- 11'h5c3: data = 8'b10000000; // *
- 11'h5c4: data = 8'b11000000; // **
- 11'h5c5: data = 8'b11100000; // ***
- 11'h5c6: data = 8'b01110000; // ***
- 11'h5c7: data = 8'b00111000; // ***
- 11'h5c8: data = 8'b00011100; // ***
- 11'h5c9: data = 8'b00001110; // ***
- 11'h5ca: data = 8'b00000110; // **
- 11'h5cb: data = 8'b00000010; // *
- 11'h5cc: data = 8'b00000000; //
- 11'h5cd: data = 8'b00000000; //
- 11'h5ce: data = 8'b00000000; //
- 11'h5cf: data = 8'b00000000; //
- //code x5d
- 11'h5d0: data = 8'b00000000; //
- 11'h5d1: data = 8'b00000000; //
- 11'h5d2: data = 8'b00111100; // ****
- 11'h5d3: data = 8'b00001100; // **
- 11'h5d4: data = 8'b00001100; // **
- 11'h5d5: data = 8'b00001100; // **
- 11'h5d6: data = 8'b00001100; // **
- 11'h5d7: data = 8'b00001100; // **
- 11'h5d8: data = 8'b00001100; // **
- 11'h5d9: data = 8'b00001100; // **
- 11'h5da: data = 8'b00001100; // **
- 11'h5db: data = 8'b00111100; // ****
- 11'h5dc: data = 8'b00000000; //
- 11'h5dd: data = 8'b00000000; //
- 11'h5de: data = 8'b00000000; //
- 11'h5df: data = 8'b00000000; //
- //code x5e
- 11'h5e0: data = 8'b00010000; // *
- 11'h5e1: data = 8'b00111000; // ***
- 11'h5e2: data = 8'b01101100; // ** **
- 11'h5e3: data = 8'b11000110; // ** **
- 11'h5e4: data = 8'b00000000; //
- 11'h5e5: data = 8'b00000000; //
- 11'h5e6: data = 8'b00000000; //
- 11'h5e7: data = 8'b00000000; //
- 11'h5e8: data = 8'b00000000; //
- 11'h5e9: data = 8'b00000000; //
- 11'h5ea: data = 8'b00000000; //
- 11'h5eb: data = 8'b00000000; //
- 11'h5ec: data = 8'b00000000; //
- 11'h5ed: data = 8'b00000000; //
- 11'h5ee: data = 8'b00000000; //
- 11'h5ef: data = 8'b00000000; //
- //code x5f
- 11'h5f0: data = 8'b00000000; //
- 11'h5f1: data = 8'b00000000; //
- 11'h5f2: data = 8'b00000000; //
- 11'h5f3: data = 8'b00000000; //
- 11'h5f4: data = 8'b00000000; //
- 11'h5f5: data = 8'b00000000; //
- 11'h5f6: data = 8'b00000000; //
- 11'h5f7: data = 8'b00000000; //
- 11'h5f8: data = 8'b00000000; //
- 11'h5f9: data = 8'b00000000; //
- 11'h5fa: data = 8'b00000000; //
- 11'h5fb: data = 8'b00000000; //
- 11'h5fc: data = 8'b00000000; //
- 11'h5fd: data = 8'b11111111; // ********
- 11'h5fe: data = 8'b00000000; //
- 11'h5ff: data = 8'b00000000; //
- //code x60
- 11'h600: data = 8'b00110000; // **
- 11'h601: data = 8'b00110000; // **
- 11'h602: data = 8'b00011000; // **
- 11'h603: data = 8'b00000000; //
- 11'h604: data = 8'b00000000; //
- 11'h605: data = 8'b00000000; //
- 11'h606: data = 8'b00000000; //
- 11'h607: data = 8'b00000000; //
- 11'h608: data = 8'b00000000; //
- 11'h609: data = 8'b00000000; //
- 11'h60a: data = 8'b00000000; //
- 11'h60b: data = 8'b00000000; //
- 11'h60c: data = 8'b00000000; //
- 11'h60d: data = 8'b00000000; //
- 11'h60e: data = 8'b00000000; //
- 11'h60f: data = 8'b00000000; //
- //code x61
- 11'h610: data = 8'b00000000; //
- 11'h611: data = 8'b00000000; //
- 11'h612: data = 8'b00000000; //
- 11'h613: data = 8'b00000000; //
- 11'h614: data = 8'b00000000; //
- 11'h615: data = 8'b01111000; // ****
- 11'h616: data = 8'b00001100; // **
- 11'h617: data = 8'b01111100; // *****
- 11'h618: data = 8'b11001100; // ** **
- 11'h619: data = 8'b11001100; // ** **
- 11'h61a: data = 8'b11001100; // ** **
- 11'h61b: data = 8'b01110110; // *** **
- 11'h61c: data = 8'b00000000; //
- 11'h61d: data = 8'b00000000; //
- 11'h61e: data = 8'b00000000; //
- 11'h61f: data = 8'b00000000; //
- //code x62
- 11'h620: data = 8'b00000000; //
- 11'h621: data = 8'b00000000; //
- 11'h622: data = 8'b11100000; // ***
- 11'h623: data = 8'b01100000; // **
- 11'h624: data = 8'b01100000; // **
- 11'h625: data = 8'b01111000; // ****
- 11'h626: data = 8'b01101100; // ** **
- 11'h627: data = 8'b01100110; // ** **
- 11'h628: data = 8'b01100110; // ** **
- 11'h629: data = 8'b01100110; // ** **
- 11'h62a: data = 8'b01100110; // ** **
- 11'h62b: data = 8'b01111100; // *****
- 11'h62c: data = 8'b00000000; //
- 11'h62d: data = 8'b00000000; //
- 11'h62e: data = 8'b00000000; //
- 11'h62f: data = 8'b00000000; //
- //code x63
- 11'h630: data = 8'b00000000; //
- 11'h631: data = 8'b00000000; //
- 11'h632: data = 8'b00000000; //
- 11'h633: data = 8'b00000000; //
- 11'h634: data = 8'b00000000; //
- 11'h635: data = 8'b01111100; // *****
- 11'h636: data = 8'b11000110; // ** **
- 11'h637: data = 8'b11000000; // **
- 11'h638: data = 8'b11000000; // **
- 11'h639: data = 8'b11000000; // **
- 11'h63a: data = 8'b11000110; // ** **
- 11'h63b: data = 8'b01111100; // *****
- 11'h63c: data = 8'b00000000; //
- 11'h63d: data = 8'b00000000; //
- 11'h63e: data = 8'b00000000; //
- 11'h63f: data = 8'b00000000; //
- //code x64
- 11'h640: data = 8'b00000000; //
- 11'h641: data = 8'b00000000; //
- 11'h642: data = 8'b00011100; // ***
- 11'h643: data = 8'b00001100; // **
- 11'h644: data = 8'b00001100; // **
- 11'h645: data = 8'b00111100; // ****
- 11'h646: data = 8'b01101100; // ** **
- 11'h647: data = 8'b11001100; // ** **
- 11'h648: data = 8'b11001100; // ** **
- 11'h649: data = 8'b11001100; // ** **
- 11'h64a: data = 8'b11001100; // ** **
- 11'h64b: data = 8'b01110110; // *** **
- 11'h64c: data = 8'b00000000; //
- 11'h64d: data = 8'b00000000; //
- 11'h64e: data = 8'b00000000; //
- 11'h64f: data = 8'b00000000; //
- //code x65
- 11'h650: data = 8'b00000000; //
- 11'h651: data = 8'b00000000; //
- 11'h652: data = 8'b00000000; //
- 11'h653: data = 8'b00000000; //
- 11'h654: data = 8'b00000000; //
- 11'h655: data = 8'b01111100; // *****
- 11'h656: data = 8'b11000110; // ** **
- 11'h657: data = 8'b11111110; // *******
- 11'h658: data = 8'b11000000; // **
- 11'h659: data = 8'b11000000; // **
- 11'h65a: data = 8'b11000110; // ** **
- 11'h65b: data = 8'b01111100; // *****
- 11'h65c: data = 8'b00000000; //
- 11'h65d: data = 8'b00000000; //
- 11'h65e: data = 8'b00000000; //
- 11'h65f: data = 8'b00000000; //
- //code x66
- 11'h660: data = 8'b00000000; //
- 11'h661: data = 8'b00000000; //
- 11'h662: data = 8'b00111000; // ***
- 11'h663: data = 8'b01101100; // ** **
- 11'h664: data = 8'b01100100; // ** *
- 11'h665: data = 8'b01100000; // **
- 11'h666: data = 8'b11110000; // ****
- 11'h667: data = 8'b01100000; // **
- 11'h668: data = 8'b01100000; // **
- 11'h669: data = 8'b01100000; // **
- 11'h66a: data = 8'b01100000; // **
- 11'h66b: data = 8'b11110000; // ****
- 11'h66c: data = 8'b00000000; //
- 11'h66d: data = 8'b00000000; //
- 11'h66e: data = 8'b00000000; //
- 11'h66f: data = 8'b00000000; //
- //code x67
- 11'h670: data = 8'b00000000; //
- 11'h671: data = 8'b00000000; //
- 11'h672: data = 8'b00000000; //
- 11'h673: data = 8'b00000000; //
- 11'h674: data = 8'b00000000; //
- 11'h675: data = 8'b01110110; // *** **
- 11'h676: data = 8'b11001100; // ** **
- 11'h677: data = 8'b11001100; // ** **
- 11'h678: data = 8'b11001100; // ** **
- 11'h679: data = 8'b11001100; // ** **
- 11'h67a: data = 8'b11001100; // ** **
- 11'h67b: data = 8'b01111100; // *****
- 11'h67c: data = 8'b00001100; // **
- 11'h67d: data = 8'b11001100; // ** **
- 11'h67e: data = 8'b01111000; // ****
- 11'h67f: data = 8'b00000000; //
- //code x68
- 11'h680: data = 8'b00000000; //
- 11'h681: data = 8'b00000000; //
- 11'h682: data = 8'b11100000; // ***
- 11'h683: data = 8'b01100000; // **
- 11'h684: data = 8'b01100000; // **
- 11'h685: data = 8'b01101100; // ** **
- 11'h686: data = 8'b01110110; // *** **
- 11'h687: data = 8'b01100110; // ** **
- 11'h688: data = 8'b01100110; // ** **
- 11'h689: data = 8'b01100110; // ** **
- 11'h68a: data = 8'b01100110; // ** **
- 11'h68b: data = 8'b11100110; // *** **
- 11'h68c: data = 8'b00000000; //
- 11'h68d: data = 8'b00000000; //
- 11'h68e: data = 8'b00000000; //
- 11'h68f: data = 8'b00000000; //
- //code x69
- 11'h690: data = 8'b00000000; //
- 11'h691: data = 8'b00000000; //
- 11'h692: data = 8'b00011000; // **
- 11'h693: data = 8'b00011000; // **
- 11'h694: data = 8'b00000000; //
- 11'h695: data = 8'b00111000; // ***
- 11'h696: data = 8'b00011000; // **
- 11'h697: data = 8'b00011000; // **
- 11'h698: data = 8'b00011000; // **
- 11'h699: data = 8'b00011000; // **
- 11'h69a: data = 8'b00011000; // **
- 11'h69b: data = 8'b00111100; // ****
- 11'h69c: data = 8'b00000000; //
- 11'h69d: data = 8'b00000000; //
- 11'h69e: data = 8'b00000000; //
- 11'h69f: data = 8'b00000000; //
- //code x6a
- 11'h6a0: data = 8'b00000000; //
- 11'h6a1: data = 8'b00000000; //
- 11'h6a2: data = 8'b00000110; // **
- 11'h6a3: data = 8'b00000110; // **
- 11'h6a4: data = 8'b00000000; //
- 11'h6a5: data = 8'b00001110; // ***
- 11'h6a6: data = 8'b00000110; // **
- 11'h6a7: data = 8'b00000110; // **
- 11'h6a8: data = 8'b00000110; // **
- 11'h6a9: data = 8'b00000110; // **
- 11'h6aa: data = 8'b00000110; // **
- 11'h6ab: data = 8'b00000110; // **
- 11'h6ac: data = 8'b01100110; // ** **
- 11'h6ad: data = 8'b01100110; // ** **
- 11'h6ae: data = 8'b00111100; // ****
- 11'h6af: data = 8'b00000000; //
- //code x6b
- 11'h6b0: data = 8'b00000000; //
- 11'h6b1: data = 8'b00000000; //
- 11'h6b2: data = 8'b11100000; // ***
- 11'h6b3: data = 8'b01100000; // **
- 11'h6b4: data = 8'b01100000; // **
- 11'h6b5: data = 8'b01100110; // ** **
- 11'h6b6: data = 8'b01101100; // ** **
- 11'h6b7: data = 8'b01111000; // ****
- 11'h6b8: data = 8'b01111000; // ****
- 11'h6b9: data = 8'b01101100; // ** **
- 11'h6ba: data = 8'b01100110; // ** **
- 11'h6bb: data = 8'b11100110; // *** **
- 11'h6bc: data = 8'b00000000; //
- 11'h6bd: data = 8'b00000000; //
- 11'h6be: data = 8'b00000000; //
- 11'h6bf: data = 8'b00000000; //
- //code x6c
- 11'h6c0: data = 8'b00000000; //
- 11'h6c1: data = 8'b00000000; //
- 11'h6c2: data = 8'b00111000; // ***
- 11'h6c3: data = 8'b00011000; // **
- 11'h6c4: data = 8'b00011000; // **
- 11'h6c5: data = 8'b00011000; // **
- 11'h6c6: data = 8'b00011000; // **
- 11'h6c7: data = 8'b00011000; // **
- 11'h6c8: data = 8'b00011000; // **
- 11'h6c9: data = 8'b00011000; // **
- 11'h6ca: data = 8'b00011000; // **
- 11'h6cb: data = 8'b00111100; // ****
- 11'h6cc: data = 8'b00000000; //
- 11'h6cd: data = 8'b00000000; //
- 11'h6ce: data = 8'b00000000; //
- 11'h6cf: data = 8'b00000000; //
- //code x6d
- 11'h6d0: data = 8'b00000000; //
- 11'h6d1: data = 8'b00000000; //
- 11'h6d2: data = 8'b00000000; //
- 11'h6d3: data = 8'b00000000; //
- 11'h6d4: data = 8'b00000000; //
- 11'h6d5: data = 8'b11100110; // *** **
- 11'h6d6: data = 8'b11111111; // ********
- 11'h6d7: data = 8'b11011011; // ** ** **
- 11'h6d8: data = 8'b11011011; // ** ** **
- 11'h6d9: data = 8'b11011011; // ** ** **
- 11'h6da: data = 8'b11011011; // ** ** **
- 11'h6db: data = 8'b11011011; // ** ** **
- 11'h6dc: data = 8'b00000000; //
- 11'h6dd: data = 8'b00000000; //
- 11'h6de: data = 8'b00000000; //
- 11'h6df: data = 8'b00000000; //
- //code x6e
- 11'h6e0: data = 8'b00000000; //
- 11'h6e1: data = 8'b00000000; //
- 11'h6e2: data = 8'b00000000; //
- 11'h6e3: data = 8'b00000000; //
- 11'h6e4: data = 8'b00000000; //
- 11'h6e5: data = 8'b11011100; // ** ***
- 11'h6e6: data = 8'b01100110; // ** **
- 11'h6e7: data = 8'b01100110; // ** **
- 11'h6e8: data = 8'b01100110; // ** **
- 11'h6e9: data = 8'b01100110; // ** **
- 11'h6ea: data = 8'b01100110; // ** **
- 11'h6eb: data = 8'b01100110; // ** **
- 11'h6ec: data = 8'b00000000; //
- 11'h6ed: data = 8'b00000000; //
- 11'h6ee: data = 8'b00000000; //
- 11'h6ef: data = 8'b00000000; //
- //code x6f
- 11'h6f0: data = 8'b00000000; //
- 11'h6f1: data = 8'b00000000; //
- 11'h6f2: data = 8'b00000000; //
- 11'h6f3: data = 8'b00000000; //
- 11'h6f4: data = 8'b00000000; //
- 11'h6f5: data = 8'b01111100; // *****
- 11'h6f6: data = 8'b11000110; // ** **
- 11'h6f7: data = 8'b11000110; // ** **
- 11'h6f8: data = 8'b11000110; // ** **
- 11'h6f9: data = 8'b11000110; // ** **
- 11'h6fa: data = 8'b11000110; // ** **
- 11'h6fb: data = 8'b01111100; // *****
- 11'h6fc: data = 8'b00000000; //
- 11'h6fd: data = 8'b00000000; //
- 11'h6fe: data = 8'b00000000; //
- 11'h6ff: data = 8'b00000000; //
- //code x70
- 11'h700: data = 8'b00000000; //
- 11'h701: data = 8'b00000000; //
- 11'h702: data = 8'b00000000; //
- 11'h703: data = 8'b00000000; //
- 11'h704: data = 8'b00000000; //
- 11'h705: data = 8'b11011100; // ** ***
- 11'h706: data = 8'b01100110; // ** **
- 11'h707: data = 8'b01100110; // ** **
- 11'h708: data = 8'b01100110; // ** **
- 11'h709: data = 8'b01100110; // ** **
- 11'h70a: data = 8'b01100110; // ** **
- 11'h70b: data = 8'b01111100; // *****
- 11'h70c: data = 8'b01100000; // **
- 11'h70d: data = 8'b01100000; // **
- 11'h70e: data = 8'b11110000; // ****
- 11'h70f: data = 8'b00000000; //
- //code x71
- 11'h710: data = 8'b00000000; //
- 11'h711: data = 8'b00000000; //
- 11'h712: data = 8'b00000000; //
- 11'h713: data = 8'b00000000; //
- 11'h714: data = 8'b00000000; //
- 11'h715: data = 8'b01110110; // *** **
- 11'h716: data = 8'b11001100; // ** **
- 11'h717: data = 8'b11001100; // ** **
- 11'h718: data = 8'b11001100; // ** **
- 11'h719: data = 8'b11001100; // ** **
- 11'h71a: data = 8'b11001100; // ** **
- 11'h71b: data = 8'b01111100; // *****
- 11'h71c: data = 8'b00001100; // **
- 11'h71d: data = 8'b00001100; // **
- 11'h71e: data = 8'b00011110; // ****
- 11'h71f: data = 8'b00000000; //
- //code x72
- 11'h720: data = 8'b00000000; //
- 11'h721: data = 8'b00000000; //
- 11'h722: data = 8'b00000000; //
- 11'h723: data = 8'b00000000; //
- 11'h724: data = 8'b00000000; //
- 11'h725: data = 8'b11011100; // ** ***
- 11'h726: data = 8'b01110110; // *** **
- 11'h727: data = 8'b01100110; // ** **
- 11'h728: data = 8'b01100000; // **
- 11'h729: data = 8'b01100000; // **
- 11'h72a: data = 8'b01100000; // **
- 11'h72b: data = 8'b11110000; // ****
- 11'h72c: data = 8'b00000000; //
- 11'h72d: data = 8'b00000000; //
- 11'h72e: data = 8'b00000000; //
- 11'h72f: data = 8'b00000000; //
- //code x73
- 11'h730: data = 8'b00000000; //
- 11'h731: data = 8'b00000000; //
- 11'h732: data = 8'b00000000; //
- 11'h733: data = 8'b00000000; //
- 11'h734: data = 8'b00000000; //
- 11'h735: data = 8'b01111100; // *****
- 11'h736: data = 8'b11000110; // ** **
- 11'h737: data = 8'b01100000; // **
- 11'h738: data = 8'b00111000; // ***
- 11'h739: data = 8'b00001100; // **
- 11'h73a: data = 8'b11000110; // ** **
- 11'h73b: data = 8'b01111100; // *****
- 11'h73c: data = 8'b00000000; //
- 11'h73d: data = 8'b00000000; //
- 11'h73e: data = 8'b00000000; //
- 11'h73f: data = 8'b00000000; //
- //code x74
- 11'h740: data = 8'b00000000; //
- 11'h741: data = 8'b00000000; //
- 11'h742: data = 8'b00010000; // *
- 11'h743: data = 8'b00110000; // **
- 11'h744: data = 8'b00110000; // **
- 11'h745: data = 8'b11111100; // ******
- 11'h746: data = 8'b00110000; // **
- 11'h747: data = 8'b00110000; // **
- 11'h748: data = 8'b00110000; // **
- 11'h749: data = 8'b00110000; // **
- 11'h74a: data = 8'b00110110; // ** **
- 11'h74b: data = 8'b00011100; // ***
- 11'h74c: data = 8'b00000000; //
- 11'h74d: data = 8'b00000000; //
- 11'h74e: data = 8'b00000000; //
- 11'h74f: data = 8'b00000000; //
- //code x75
- 11'h750: data = 8'b00000000; //
- 11'h751: data = 8'b00000000; //
- 11'h752: data = 8'b00000000; //
- 11'h753: data = 8'b00000000; //
- 11'h754: data = 8'b00000000; //
- 11'h755: data = 8'b11001100; // ** **
- 11'h756: data = 8'b11001100; // ** **
- 11'h757: data = 8'b11001100; // ** **
- 11'h758: data = 8'b11001100; // ** **
- 11'h759: data = 8'b11001100; // ** **
- 11'h75a: data = 8'b11001100; // ** **
- 11'h75b: data = 8'b01110110; // *** **
- 11'h75c: data = 8'b00000000; //
- 11'h75d: data = 8'b00000000; //
- 11'h75e: data = 8'b00000000; //
- 11'h75f: data = 8'b00000000; //
- //code x76
- 11'h760: data = 8'b00000000; //
- 11'h761: data = 8'b00000000; //
- 11'h762: data = 8'b00000000; //
- 11'h763: data = 8'b00000000; //
- 11'h764: data = 8'b00000000; //
- 11'h765: data = 8'b11000011; // ** **
- 11'h766: data = 8'b11000011; // ** **
- 11'h767: data = 8'b11000011; // ** **
- 11'h768: data = 8'b11000011; // ** **
- 11'h769: data = 8'b01100110; // ** **
- 11'h76a: data = 8'b00111100; // ****
- 11'h76b: data = 8'b00011000; // **
- 11'h76c: data = 8'b00000000; //
- 11'h76d: data = 8'b00000000; //
- 11'h76e: data = 8'b00000000; //
- 11'h76f: data = 8'b00000000; //
- //code x77
- 11'h770: data = 8'b00000000; //
- 11'h771: data = 8'b00000000; //
- 11'h772: data = 8'b00000000; //
- 11'h773: data = 8'b00000000; //
- 11'h774: data = 8'b00000000; //
- 11'h775: data = 8'b11000011; // ** **
- 11'h776: data = 8'b11000011; // ** **
- 11'h777: data = 8'b11000011; // ** **
- 11'h778: data = 8'b11011011; // ** ** **
- 11'h779: data = 8'b11011011; // ** ** **
- 11'h77a: data = 8'b11111111; // ********
- 11'h77b: data = 8'b01100110; // ** **
- 11'h77c: data = 8'b00000000; //
- 11'h77d: data = 8'b00000000; //
- 11'h77e: data = 8'b00000000; //
- 11'h77f: data = 8'b00000000; //
- //code x78
- 11'h780: data = 8'b00000000; //
- 11'h781: data = 8'b00000000; //
- 11'h782: data = 8'b00000000; //
- 11'h783: data = 8'b00000000; //
- 11'h784: data = 8'b00000000; //
- 11'h785: data = 8'b11000011; // ** **
- 11'h786: data = 8'b01100110; // ** **
- 11'h787: data = 8'b00111100; // ****
- 11'h788: data = 8'b00011000; // **
- 11'h789: data = 8'b00111100; // ****
- 11'h78a: data = 8'b01100110; // ** **
- 11'h78b: data = 8'b11000011; // ** **
- 11'h78c: data = 8'b00000000; //
- 11'h78d: data = 8'b00000000; //
- 11'h78e: data = 8'b00000000; //
- 11'h78f: data = 8'b00000000; //
- //code x79
- 11'h790: data = 8'b00000000; //
- 11'h791: data = 8'b00000000; //
- 11'h792: data = 8'b00000000; //
- 11'h793: data = 8'b00000000; //
- 11'h794: data = 8'b00000000; //
- 11'h795: data = 8'b11000110; // ** **
- 11'h796: data = 8'b11000110; // ** **
- 11'h797: data = 8'b11000110; // ** **
- 11'h798: data = 8'b11000110; // ** **
- 11'h799: data = 8'b11000110; // ** **
- 11'h79a: data = 8'b11000110; // ** **
- 11'h79b: data = 8'b01111110; // ******
- 11'h79c: data = 8'b00000110; // **
- 11'h79d: data = 8'b00001100; // **
- 11'h79e: data = 8'b11111000; // *****
- 11'h79f: data = 8'b00000000; //
- //code x7a
- 11'h7a0: data = 8'b00000000; //
- 11'h7a1: data = 8'b00000000; //
- 11'h7a2: data = 8'b00000000; //
- 11'h7a3: data = 8'b00000000; //
- 11'h7a4: data = 8'b00000000; //
- 11'h7a5: data = 8'b11111110; // *******
- 11'h7a6: data = 8'b11001100; // ** **
- 11'h7a7: data = 8'b00011000; // **
- 11'h7a8: data = 8'b00110000; // **
- 11'h7a9: data = 8'b01100000; // **
- 11'h7aa: data = 8'b11000110; // ** **
- 11'h7ab: data = 8'b11111110; // *******
- 11'h7ac: data = 8'b00000000; //
- 11'h7ad: data = 8'b00000000; //
- 11'h7ae: data = 8'b00000000; //
- 11'h7af: data = 8'b00000000; //
- //code x7b
- 11'h7b0: data = 8'b00000000; //
- 11'h7b1: data = 8'b00000000; //
- 11'h7b2: data = 8'b00001110; // ***
- 11'h7b3: data = 8'b00011000; // **
- 11'h7b4: data = 8'b00011000; // **
- 11'h7b5: data = 8'b00011000; // **
- 11'h7b6: data = 8'b01110000; // ***
- 11'h7b7: data = 8'b00011000; // **
- 11'h7b8: data = 8'b00011000; // **
- 11'h7b9: data = 8'b00011000; // **
- 11'h7ba: data = 8'b00011000; // **
- 11'h7bb: data = 8'b00001110; // ***
- 11'h7bc: data = 8'b00000000; //
- 11'h7bd: data = 8'b00000000; //
- 11'h7be: data = 8'b00000000; //
- 11'h7bf: data = 8'b00000000; //
- //code x7c
- 11'h7c0: data = 8'b00000000; //
- 11'h7c1: data = 8'b00000000; //
- 11'h7c2: data = 8'b00011000; // **
- 11'h7c3: data = 8'b00011000; // **
- 11'h7c4: data = 8'b00011000; // **
- 11'h7c5: data = 8'b00011000; // **
- 11'h7c6: data = 8'b00000000; //
- 11'h7c7: data = 8'b00011000; // **
- 11'h7c8: data = 8'b00011000; // **
- 11'h7c9: data = 8'b00011000; // **
- 11'h7ca: data = 8'b00011000; // **
- 11'h7cb: data = 8'b00011000; // **
- 11'h7cc: data = 8'b00000000; //
- 11'h7cd: data = 8'b00000000; //
- 11'h7ce: data = 8'b00000000; //
- 11'h7cf: data = 8'b00000000; //
- //code x7d
- 11'h7d0: data = 8'b00000000; //
- 11'h7d1: data = 8'b00000000; //
- 11'h7d2: data = 8'b01110000; // ***
- 11'h7d3: data = 8'b00011000; // **
- 11'h7d4: data = 8'b00011000; // **
- 11'h7d5: data = 8'b00011000; // **
- 11'h7d6: data = 8'b00001110; // ***
- 11'h7d7: data = 8'b00011000; // **
- 11'h7d8: data = 8'b00011000; // **
- 11'h7d9: data = 8'b00011000; // **
- 11'h7da: data = 8'b00011000; // **
- 11'h7db: data = 8'b01110000; // ***
- 11'h7dc: data = 8'b00000000; //
- 11'h7dd: data = 8'b00000000; //
- 11'h7de: data = 8'b00000000; //
- 11'h7df: data = 8'b00000000; //
- //code x7e
- 11'h7e0: data = 8'b00000000; //
- 11'h7e1: data = 8'b00000000; //
- 11'h7e2: data = 8'b01110110; // *** **
- 11'h7e3: data = 8'b11011100; // ** ***
- 11'h7e4: data = 8'b00000000; //
- 11'h7e5: data = 8'b00000000; //
- 11'h7e6: data = 8'b00000000; //
- 11'h7e7: data = 8'b00000000; //
- 11'h7e8: data = 8'b00000000; //
- 11'h7e9: data = 8'b00000000; //
- 11'h7ea: data = 8'b00000000; //
- 11'h7eb: data = 8'b00000000; //
- 11'h7ec: data = 8'b00000000; //
- 11'h7ed: data = 8'b00000000; //
- 11'h7ee: data = 8'b00000000; //
- 11'h7ef: data = 8'b00000000; //
- //code x7f
- 11'h7f0: data = 8'b00000000; //
- 11'h7f1: data = 8'b00000000; //
- 11'h7f2: data = 8'b00000000; //
- 11'h7f3: data = 8'b00000000; //
- 11'h7f4: data = 8'b00010000; // *
- 11'h7f5: data = 8'b00111000; // ***
- 11'h7f6: data = 8'b01101100; // ** **
- 11'h7f7: data = 8'b11000110; // ** **
- 11'h7f8: data = 8'b11000110; // ** **
- 11'h7f9: data = 8'b11000110; // ** **
- 11'h7fa: data = 8'b11111110; // *******
- 11'h7fb: data = 8'b00000000; //
- 11'h7fc: data = 8'b00000000; //
- 11'h7fd: data = 8'b00000000; //
- 11'h7fe: data = 8'b00000000; //
- 11'h7ff: data = 8'b00000000; //
- endcase
-
-endmodule
-
-// Listing 14.2
-module font_test_gen
- (
- input wire clk,
- input wire video_on,
- input wire [9:0] pixel_x, pixel_y,
- output reg [2:0] rgb_text
- );
-
- // signal declaration
- wire [10:0] rom_addr;
- wire [6:0] char_addr;
- wire [3:0] row_addr;
- wire [2:0] bit_addr;
- wire [7:0] font_word;
- wire font_bit, text_bit_on;
-
- // body
- // instantiate font ROM
- font_rom font_unit
- (.clk(clk), .addr(rom_addr), .data(font_word));
- // font ROM interface
- assign char_addr = {pixel_y[5:4], pixel_x[7:3]};
- assign row_addr = pixel_y[3:0];
- assign rom_addr = {char_addr, row_addr};
- assign bit_addr = pixel_x[2:0];
- assign font_bit = font_word[~bit_addr];
- // "on" region limited to top-left corner
- assign text_bit_on = (pixel_x[9:8]==0 && pixel_y[9:6]==0) ?
- font_bit : 1'b0;
- // rgb multiplexing circuit
- always @*
- if (~video_on)
- rgb_text = 3'b000; // blank
- else
- if (text_bit_on)
- rgb_text = 3'b010; // green
- else
- rgb_text = 3'b000; // black
-
-endmodule
-// Listing 14.3
-module font_test_top
- (
- input wire clk, reset,
- output wire hsync, vsync,
- output wire [2:0] rgb
- );
-
- // signal declaration
- wire [9:0] pixel_x, pixel_y;
- wire video_on, pixel_tick;
- reg [2:0] rgb_reg;
- wire [2:0] rgb_next;
-
- // body
- // instantiate vga sync circuit
- vga_sync vsync_unit
- (.clk(clk), .reset(reset), .hsync(hsync), .vsync(vsync),
- .video_on(video_on), .p_tick(pixel_tick),
- .pixel_x(pixel_x), .pixel_y(pixel_y));
- // font generation circuit
- font_test_gen font_gen_unit
- (.clk(clk), .video_on(video_on), .pixel_x(pixel_x),
- .pixel_y(pixel_y), .rgb_text(rgb_next));
- // rgb buffer
- always @(posedge clk)
- if (pixel_tick)
- rgb_reg <= rgb_next;
- // output
- assign rgb = rgb_reg;
-
-endmodule
-
-// Listing 14.8
-module m100_counter
- (
- input wire clk, reset,
- input wire d_inc, d_clr,
- output wire [3:0] dig0, dig1
- );
-
- // signal declaration
- reg [3:0] dig0_reg, dig1_reg, dig0_next, dig1_next;
-
- // registers
- always @(posedge clk, posedge reset)
- if (reset)
- begin
- dig1_reg <= 0;
- dig0_reg <= 0;
- end
- else
- begin
- dig1_reg <= dig1_next;
- dig0_reg <= dig0_next;
- end
-
- // next-state logic
- always @*
- begin
- dig0_next = dig0_reg;
- dig1_next = dig1_reg;
- if (d_clr)
- begin
- dig0_next = 0;
- dig1_next = 0;
- end
- else if (d_inc)
- if (dig0_reg==9)
- begin
- dig0_next = 0;
- if (dig1_reg==9)
- dig1_next = 0;
- else
- dig1_next = dig1_reg + 1;
- end
- else // dig0 not 9
- dig0_next = dig0_reg + 1;
- end
- // output
- assign dig0 = dig0_reg;
- assign dig1 = dig1_reg;
-
-endmodule
-
-// Listing 14.7
-module pong_graph
- (
- input wire clk, reset,
- input wire [1:0] btn1,
- input wire [1:0] btn2,
- input wire ai_switch,
- input wire [9:0] pix_x, pix_y,
- input wire gra_still,
- output wire graph_on,
- output reg hit, miss,
- output reg [2:0] graph_rgb
- );
-
- // costant and signal declaration
- // x, y coordinates (0,0) to (639,479)
- localparam MAX_X = 640;
- localparam MAX_Y = 480;
- wire refr_tick;
- //--------------------------------------------
- // vertical strip as a wall
- //--------------------------------------------
- // wall left, right boundary
- //localparam WALL_X_L = 32;
- //localparam WALL_X_R = 35;
- //--------------------------------------------
- // right vertical bar
- //--------------------------------------------
- // bar left, right boundary
- localparam BARR_X_L = 600;
- localparam BARR_X_R = 603;
- // bar top, bottom boundary
- wire [9:0] barr_y_t, barr_y_b;
- localparam BARR_Y_SIZE = 72;
- // register to track top boundary (x position is fixed)
- reg [9:0] barr_y_reg, barr_y_next;
- // bar moving velocity when the button are pressed
- localparam BARR_V = 4;
- //--------------------------------------------
- // left vertical bar
- //--------------------------------------------
- // bar left, right boundary
- localparam BARL_X_L = 40;
- localparam BARL_X_R = 43;
- // bar top, bottom boundary
- wire [9:0] barl_y_t, barl_y_b;
- localparam BARL_Y_SIZE = 72;
- // register to track top boundary (x position is fixed)
- reg [9:0] barl_y_reg, barl_y_next;
- // bar moving velocity when the button are pressed
- localparam BARL_V = 4;
- //--------------------------------------------
- // square ball
- //--------------------------------------------
- localparam BALL_SIZE = 8;
- // ball left, right boundary
- wire [9:0] ball_x_l, ball_x_r;
- // ball top, bottom boundary
- wire [9:0] ball_y_t, ball_y_b;
- // reg to track left, top position
- reg [9:0] ball_x_reg, ball_y_reg;
- wire [9:0] ball_x_next, ball_y_next;
- // reg to track ball speed
- reg [9:0] x_delta_reg, x_delta_next;
- reg [9:0] y_delta_reg, y_delta_next;
- // ball velocity can be pos or neg)
- localparam BALL_V_P = 2;
- localparam BALL_V_N = -2;
- //--------------------------------------------
- // round ball
- //--------------------------------------------
- wire [2:0] rom_addr, rom_col;
- reg [7:0] rom_data;
- wire rom_bit;
- //--------------------------------------------
- // object output signals
- //--------------------------------------------
- wire wall_on, barr_on, barl_on, sq_ball_on, rd_ball_on;
- wire [2:0] wall_rgb, barr_rgb, barl_rgb, ball_rgb;
- //--------------------------------------------
- // AI variables
- //--------------------------------------------
- reg [9:0] ball_center;
- reg [9:0] paddlel_center;
- reg [9:0] paddler_center;
- //--------------------------------------------
- // Angle varibles
- //--------------------------------------------
- reg [9:0] hit_point;
- // body
- //--------------------------------------------
- // round ball image ROM
- //--------------------------------------------
- always @*
- case (rom_addr)
- 3'h0: rom_data = 8'b00111100; // ****
- 3'h1: rom_data = 8'b01111110; // ******
- 3'h2: rom_data = 8'b11111111; // ********
- 3'h3: rom_data = 8'b11111111; // ********
- 3'h4: rom_data = 8'b11111111; // ********
- 3'h5: rom_data = 8'b11111111; // ********
- 3'h6: rom_data = 8'b01111110; // ******
- 3'h7: rom_data = 8'b00111100; // ****
- endcase
-
- // registers
- always @(posedge clk, posedge reset)
- if (reset)
- begin
- barr_y_reg <= 0;
- barl_y_reg <= 0;
- ball_x_reg <= 0;
- ball_y_reg <= 0;
- x_delta_reg <= 10'h004;
- y_delta_reg <= 10'h004;
- end
- else
- begin
- barr_y_reg <= barr_y_next;
- barl_y_reg <= barl_y_next;
- ball_x_reg <= ball_x_next;
- ball_y_reg <= ball_y_next;
- x_delta_reg <= x_delta_next;
- y_delta_reg <= y_delta_next;
- end
-
- // refr_tick: 1-clock tick asserted at start of v-sync
- // i.e., when the screen is refreshed (60 Hz)
- assign refr_tick = (pix_y==481) && (pix_x==0);
-
- // //--------------------------------------------
- // // (wall) left vertical strip
- // //--------------------------------------------
- // // pixel within wall
- // assign wall_on = (WALL_X_L<=pix_x) && (pix_x<=WALL_X_R);
- // // wall rgb output
- // assign wall_rgb = 3'b001; // blue
-
- //--------------------------------------------
- // right vertical bar
- //--------------------------------------------
- // boundary
- assign barr_y_t = barr_y_reg;
- assign barr_y_b = barr_y_t + BARR_Y_SIZE - 1;
- // pixel within bar
- assign barr_on = (BARR_X_L<=pix_x) && (pix_x<=BARR_X_R) &&
- (barr_y_t<=pix_y) && (pix_y<=barr_y_b);
- // bar rgb output
- assign barr_rgb = 3'b010; // green
- // new bar y-position
- always @*
- begin
- barr_y_next = barr_y_reg; // no move
- if (gra_still) // initial position of paddle
- barr_y_next = (MAX_Y-BARR_Y_SIZE)/2;
- else if (refr_tick)
- if (btn1[1] & (barr_y_b < (MAX_Y-1-BARR_V)))
- barr_y_next = barr_y_reg + BARR_V; // move down
- else if (btn1[0] & (barr_y_t > BARR_V))
- barr_y_next = barr_y_reg - BARR_V; // move up
- end
-
- // //--------------------------------------------
- // // left vertical bar (HUMAN)
- // //--------------------------------------------
- // // boundary
- // assign barl_y_t = barl_y_reg;
- // assign barl_y_b = barl_y_t + BARL_Y_SIZE - 1;
- // // pixel within bar
- // assign barl_on = (BARL_X_L<=pix_x) && (pix_x<=BARL_X_R) &&
- // (barl_y_t<=pix_y) && (pix_y<=barl_y_b);
- // // bar rgb output
- // assign barl_rgb = 3'b101; // purple
- // // new bar y-position
- // always @*
- // begin
- // barl_y_next = barl_y_reg; // no move
- // if (gra_still) // initial position of paddle
- // barl_y_next = (MAX_Y-BARL_Y_SIZE)/2;
- // else if (refr_tick)
- // if (btn2[1] & (barl_y_b < (MAX_Y-1-BARL_V)))
- // barl_y_next = barl_y_reg + BARL_V; // move down
- // else if (btn2[0] & (barl_y_t > BARL_V))
- // barl_y_next = barl_y_reg - BARL_V; // move up
- // end
-
- //--------------------------------------------
- // left vertical bar (AI/HUMAN)
- //--------------------------------------------
- // boundary
- assign barl_y_t = barl_y_reg;
- assign barl_y_b = barl_y_t + BARL_Y_SIZE - 1;
- // pixel within bar
- assign barl_on = (BARL_X_L<=pix_x) && (pix_x<=BARL_X_R) &&
- (barl_y_t<=pix_y) && (pix_y<=barl_y_b);
- // bar rgb output
- assign barl_rgb = 3'b101; // purple
- // new bar y-position
- always @*
- begin
- if (ai_switch)
- begin
- if (ball_x_l < 2*(MAX_X / 3) && refr_tick)
- begin
- ball_center = ball_y_t + ((ball_y_b - ball_y_t) / 2);
- paddlel_center = barl_y_t + ((barl_y_b - barl_y_t) / 2);
- if (ball_center < paddlel_center)
- begin
- barl_y_next = barl_y_reg - 3; // move up
- if (barl_y_next <= 5)
- barl_y_next = 5;
- end
- else if (ball_center > paddlel_center)
- begin
- barl_y_next = barl_y_reg + 3; // move down
- if (barl_y_next + BARL_Y_SIZE >= MAX_Y)
- barl_y_next = MAX_Y - BARL_Y_SIZE;
- end
- else
- barl_y_next = barl_y_reg; // no move
- end
- else
- barl_y_next = barl_y_reg; // no move
- end
- else
- begin
- barl_y_next = barl_y_reg; // no move
- if (gra_still) // initial position of paddle
- barl_y_next = (MAX_Y-BARL_Y_SIZE)/2;
- else if (refr_tick)
- if (btn2[1] && (barl_y_b < (MAX_Y-1-BARL_V)))
- barl_y_next = barl_y_reg + BARL_V; // move down
- else if (btn2[0] && (barl_y_t > BARL_V))
- barl_y_next = barl_y_reg - BARL_V; // move up
- end
- end
-
- //--------------------------------------------
- // square ball
- //--------------------------------------------
- // boundary
- assign ball_x_l = ball_x_reg;
- assign ball_y_t = ball_y_reg;
- assign ball_x_r = ball_x_l + BALL_SIZE - 1;
- assign ball_y_b = ball_y_t + BALL_SIZE - 1;
- // pixel within ball
- assign sq_ball_on =
- (ball_x_l<=pix_x) && (pix_x<=ball_x_r) &&
- (ball_y_t<=pix_y) && (pix_y<=ball_y_b);
- // map current pixel location to ROM addr/col
- assign rom_addr = pix_y[2:0] - ball_y_t[2:0];
- assign rom_col = pix_x[2:0] - ball_x_l[2:0];
- assign rom_bit = rom_data[rom_col];
- // pixel within ball
- assign rd_ball_on = sq_ball_on & rom_bit;
- // ball rgb output
- assign ball_rgb = 3'b100; // black
-
- // new ball position
- assign ball_x_next = (gra_still) ? MAX_X/2 :
- (refr_tick) ? ball_x_reg+x_delta_reg :
- ball_x_reg ;
- assign ball_y_next = (gra_still) ? MAX_Y/2 :
- (refr_tick) ? ball_y_reg+y_delta_reg :
- ball_y_reg ;
- // new ball velocity
- always @*
- begin
- hit = 1'b0;
- miss = 1'b0;
- x_delta_next = x_delta_reg;
- y_delta_next = y_delta_reg;
-
- ball_center = ball_y_t + ((ball_y_b - ball_y_t) / 2);
-
- if (gra_still) // initial velocity
- begin
- x_delta_next = BALL_V_N;
- y_delta_next = BALL_V_P;
- end
- else if (ball_y_t <= 1) // reach top
- y_delta_next = BALL_V_P;
- else if (ball_y_b >= (MAX_Y-1)) // reach bottom
- y_delta_next = BALL_V_N;
- else if ((BARR_X_L<=ball_x_r) && (ball_x_r<=BARR_X_R) &&
- (barr_y_t<=ball_y_b) && (ball_y_t<=barr_y_b))
- begin
- // reach x of right bar and hit, ball bounce back
- //x_delta_next = BALL_V_N;
- hit_point = ball_center - barr_y_t;
- if (hit_point < (BARR_Y_SIZE / 5))
- x_delta_next = -4;
- else if (hit_point < 2*(BARR_Y_SIZE / 5))
- x_delta_next = -3;
- else if (hit_point < 3*(BARR_Y_SIZE / 5))
- x_delta_next = -2;
- else if (hit_point < 4*(BARR_Y_SIZE / 5))
- x_delta_next = -3;
- else
- x_delta_next = -4;
-
- if (ai_switch)
- hit = 1'b0;
- else
- hit = 1'b1;
- end
- else if ((BARL_X_L<=ball_x_l) && (ball_x_l<=BARL_X_R) &&
- (barl_y_t<=ball_y_b) && (ball_y_t<=barl_y_b))
- begin
- // reach x of left bar and hit, ball bounce back
- //x_delta_next = BALL_V_P;
- hit_point = ball_center - barr_y_t;
- if (hit_point < (BARR_Y_SIZE / 5))
- x_delta_next = 4;
- else if (hit_point < 2*(BARR_Y_SIZE / 5))
- x_delta_next = 3;
- else if (hit_point < 3*(BARR_Y_SIZE / 5))
- x_delta_next = 2;
- else if (hit_point < 4*(BARR_Y_SIZE / 5))
- x_delta_next = 3;
- else
- x_delta_next = 4;
-
- if (ai_switch)
- hit = 1'b0;
- else
- hit = 1'b1;
- end
- else if (ball_x_r >= MAX_X - 10) // reach right border
- miss = 1'b1; // a miss
- else if (ball_x_r <= 10) // reach left border
- begin
- if (ai_switch)
- hit = 1'b1;
- else
- miss = 1'b1;
- end
- end
-
- //--------------------------------------------
- // rgb multiplexing circuit
- //--------------------------------------------
- always @*
- if (wall_on)
- graph_rgb = wall_rgb;
- else if (barr_on)
- graph_rgb = barr_rgb;
- else if (barl_on)
- graph_rgb = barl_rgb;
- else if (rd_ball_on)
- graph_rgb = ball_rgb;
- else
- graph_rgb = 3'b000; // black background
- // new graphic_on signal
- //assign graph_on = wall_on | barr_on | barl_on | rd_ball_on;
- assign graph_on = barr_on | barl_on | rd_ball_on;
-
-endmodule
-// Listing 14.6
-module pong_text
- (
- input wire clk,
- input wire [1:0] ball,
- input wire [3:0] dig0, dig1,
- input wire [9:0] pix_x, pix_y,
- output wire [3:0] text_on,
- output reg [2:0] text_rgb
- );
-
- // signal declaration
- wire [10:0] rom_addr;
- reg [6:0] char_addr, char_addr_s, char_addr_l,
- char_addr_r, char_addr_o;
- reg [3:0] row_addr;
- wire [3:0] row_addr_s, row_addr_l, row_addr_r, row_addr_o;
- reg [2:0] bit_addr;
- wire [2:0] bit_addr_s, bit_addr_l,bit_addr_r, bit_addr_o;
- wire [7:0] font_word;
- wire font_bit, score_on, logo_on, rule_on, over_on;
- wire [5:0] rule_rom_addr;
-
- // instantiate font ROM
- font_rom font_unit
- (.clk(clk), .addr(rom_addr), .data(font_word));
-
- //-------------------------------------------
- // score region
- // - display two-digit score, ball on top left
- // - scale to 16-by-32 font
- // - line 1, 16 chars: "Score:DD Ball:D"
- //-------------------------------------------
- assign score_on = (pix_y[9:5]==0) && (pix_x[9:4]<16);
- assign row_addr_s = pix_y[4:1];
- assign bit_addr_s = pix_x[3:1];
- always @*
- case (pix_x[7:4])
- 4'h0: char_addr_s = 7'h53; // S
- 4'h1: char_addr_s = 7'h63; // c
- 4'h2: char_addr_s = 7'h6f; // o
- 4'h3: char_addr_s = 7'h72; // r
- 4'h4: char_addr_s = 7'h65; // e
- 4'h5: char_addr_s = 7'h3a; // :
- 4'h6: char_addr_s = {3'b011, dig1}; // digit 10
- 4'h7: char_addr_s = {3'b011, dig0}; // digit 1
- 4'h8: char_addr_s = 7'h00; //
- 4'h9: char_addr_s = 7'h00; //
- 4'ha: char_addr_s = 7'h42; // B
- 4'hb: char_addr_s = 7'h61; // a
- 4'hc: char_addr_s = 7'h6c; // l
- 4'hd: char_addr_s = 7'h6c; // l
- 4'he: char_addr_s = 7'h3a; // :
- 4'hf: char_addr_s = {5'b01100, ball};
- endcase
- //-------------------------------------------
- // logo region:
- // - display logo "PONG" at top center
- // - used as background
- // - scale to 64-by-128 font
- //-------------------------------------------
- assign logo_on = (pix_y[9:7]==2) &&
- (3<=pix_x[9:6]) && (pix_x[9:6]<=6);
- assign row_addr_l = pix_y[6:3];
- assign bit_addr_l = pix_x[5:3];
- always @*
- case (pix_x[8:6])
- 3'o3: char_addr_l = 7'h50; // P
- 3'o4: char_addr_l = 7'h4f; // O
- 3'o5: char_addr_l = 7'h4e; // N
- default: char_addr_l = 7'h47; // G
- endcase
- //-------------------------------------------
- // rule region
- // - display rule (4-by-16 tiles)on center
- // - rule text:
- // Rule:
- // Use two buttons
- // to move paddle
- // up and down
- //-------------------------------------------
- assign rule_on = (pix_x[9:7]==2) && (pix_y[9:6]==2);
- assign row_addr_r = pix_y[3:0];
- assign bit_addr_r = pix_x[2:0];
- assign rule_rom_addr = {pix_y[5:4], pix_x[6:3]};
- always @*
- case (rule_rom_addr)
- // row 1
- 6'h00: char_addr_r = 7'h52; // R
- 6'h01: char_addr_r = 7'h55; // U
- 6'h02: char_addr_r = 7'h4c; // L
- 6'h03: char_addr_r = 7'h45; // E
- 6'h04: char_addr_r = 7'h3a; // :
- 6'h05: char_addr_r = 7'h00; //
- 6'h06: char_addr_r = 7'h00; //
- 6'h07: char_addr_r = 7'h00; //
- 6'h08: char_addr_r = 7'h00; //
- 6'h09: char_addr_r = 7'h00; //
- 6'h0a: char_addr_r = 7'h00; //
- 6'h0b: char_addr_r = 7'h00; //
- 6'h0c: char_addr_r = 7'h00; //
- 6'h0d: char_addr_r = 7'h00; //
- 6'h0e: char_addr_r = 7'h00; //
- 6'h0f: char_addr_r = 7'h00; //
- // row 2
- 6'h10: char_addr_r = 7'h55; // U
- 6'h11: char_addr_r = 7'h73; // s
- 6'h12: char_addr_r = 7'h65; // e
- 6'h13: char_addr_r = 7'h00; //
- 6'h14: char_addr_r = 7'h74; // t
- 6'h15: char_addr_r = 7'h77; // w
- 6'h16: char_addr_r = 7'h6f; // o
- 6'h17: char_addr_r = 7'h00; //
- 6'h18: char_addr_r = 7'h62; // b
- 6'h19: char_addr_r = 7'h75; // u
- 6'h1a: char_addr_r = 7'h74; // t
- 6'h1b: char_addr_r = 7'h74; // t
- 6'h1c: char_addr_r = 7'h6f; // o
- 6'h1d: char_addr_r = 7'h6e; // n
- 6'h1e: char_addr_r = 7'h73; // s
- 6'h1f: char_addr_r = 7'h00; //
- // row 3
- 6'h20: char_addr_r = 7'h74; // t
- 6'h21: char_addr_r = 7'h6f; // o
- 6'h22: char_addr_r = 7'h00; //
- 6'h23: char_addr_r = 7'h6d; // m
- 6'h24: char_addr_r = 7'h6f; // o
- 6'h25: char_addr_r = 7'h76; // v
- 6'h26: char_addr_r = 7'h65; // e
- 6'h27: char_addr_r = 7'h00; //
- 6'h28: char_addr_r = 7'h70; // p
- 6'h29: char_addr_r = 7'h61; // a
- 6'h2a: char_addr_r = 7'h64; // d
- 6'h2b: char_addr_r = 7'h64; // d
- 6'h2c: char_addr_r = 7'h6c; // l
- 6'h2d: char_addr_r = 7'h65; // e
- 6'h2e: char_addr_r = 7'h00; //
- 6'h2f: char_addr_r = 7'h00; //
- // row 4
- 6'h30: char_addr_r = 7'h75; // u
- 6'h31: char_addr_r = 7'h70; // p
- 6'h32: char_addr_r = 7'h00; //
- 6'h33: char_addr_r = 7'h61; // a
- 6'h34: char_addr_r = 7'h6e; // n
- 6'h35: char_addr_r = 7'h64; // d
- 6'h36: char_addr_r = 7'h00; //
- 6'h37: char_addr_r = 7'h64; // d
- 6'h38: char_addr_r = 7'h6f; // o
- 6'h39: char_addr_r = 7'h77; // w
- 6'h3a: char_addr_r = 7'h6e; // n
- 6'h3b: char_addr_r = 7'h2e; // .
- 6'h3c: char_addr_r = 7'h00; //
- 6'h3d: char_addr_r = 7'h00; //
- 6'h3e: char_addr_r = 7'h00; //
- 6'h3f: char_addr_r = 7'h00; //
- endcase
- //-------------------------------------------
- // game over region
- // - display "Game Over" at center
- // - scale to 32-by-64 fonts
- //-----------------------------------------
- assign over_on = (pix_y[9:6]==3) &&
- (5<=pix_x[9:5]) && (pix_x[9:5]<=13);
- assign row_addr_o = pix_y[5:2];
- assign bit_addr_o = pix_x[4:2];
- always @*
- case(pix_x[8:5])
- 4'h5: char_addr_o = 7'h47; // G
- 4'h6: char_addr_o = 7'h61; // a
- 4'h7: char_addr_o = 7'h6d; // m
- 4'h8: char_addr_o = 7'h65; // e
- 4'h9: char_addr_o = 7'h00; //
- 4'ha: char_addr_o = 7'h4f; // O
- 4'hb: char_addr_o = 7'h76; // v
- 4'hc: char_addr_o = 7'h65; // e
- default: char_addr_o = 7'h72; // r
- endcase
- //-------------------------------------------
- // mux for font ROM addresses and rgb
- //-------------------------------------------
- always @*
- begin
- text_rgb = 3'b110; // background, yellow
- if (score_on)
- begin
- char_addr = char_addr_s;
- row_addr = row_addr_s;
- bit_addr = bit_addr_s;
- if (font_bit)
- text_rgb = 3'b001;
- end
- else if (rule_on)
- begin
- char_addr = char_addr_r;
- row_addr = row_addr_r;
- bit_addr = bit_addr_r;
- if (font_bit)
- text_rgb = 3'b001;
- end
- else if (logo_on)
- begin
- char_addr = char_addr_l;
- row_addr = row_addr_l;
- bit_addr = bit_addr_l;
- if (font_bit)
- text_rgb = 3'b011;
- end
- else // game over
- begin
- char_addr = char_addr_o;
- row_addr = row_addr_o;
- bit_addr = bit_addr_o;
- if (font_bit)
- text_rgb = 3'b001;
- end
- end
-
- assign text_on = {score_on, logo_on, rule_on, over_on};
- //-------------------------------------------
- // font rom interface
- //-------------------------------------------
- assign rom_addr = {char_addr, row_addr};
- assign font_bit = font_word[~bit_addr];
-
-endmodule
-
-// Listing 14.4
-module text_screen_gen
- (
- input wire clk, reset,
- input wire video_on,
- input wire [2:0] btn,
- input wire [6:0] sw,
- input wire [9:0] pixel_x, pixel_y,
- output reg [2:0] text_rgb
- );
-
- // signal declaration
- // font ROM
- wire [10:0] rom_addr;
- wire [6:0] char_addr;
- wire [3:0] row_addr;
- wire [2:0] bit_addr;
- wire [7:0] font_word;
- wire font_bit;
- // tile RAM
- wire we;
- wire [11:0] addr_r, addr_w;
- wire [6:0] din, dout;
- // 80-by-30 tile map
- localparam MAX_X = 80;
- localparam MAX_Y = 30;
- // cursor
- reg [6:0] cur_x_reg;
- wire [6:0] cur_x_next;
- reg [4:0] cur_y_reg;
- wire [4:0]cur_y_next;
- wire move_x_tick, move_y_tick, cursor_on;
- // delayed pixel count
- reg [9:0] pix_x1_reg, pix_y1_reg;
- reg [9:0] pix_x2_reg, pix_y2_reg;
- // object output signals
- wire [2:0] font_rgb, font_rev_rgb;
-
- // body
- // instantiate debounce circuit for two buttons
- debounce deb_unit0
- (.clk(clk), .reset(reset), .sw(btn[0]),
- .db_level(), .db_tick(move_x_tick));
- debounce deb_unit1
- (.clk(clk), .reset(reset), .sw(btn[1]),
- .db_level(), .db_tick(move_y_tick));
- // instantiate font ROM
- font_rom font_unit
- (.clk(clk), .addr(rom_addr), .data(font_word));
- // instantiate dual-port video RAM (2^12-by-7)
- xilinx_dual_port_ram_sync
- #(.ADDR_WIDTH(12), .DATA_WIDTH(7)) video_ram
- (.clk(clk), .we(we), .addr_a(addr_w), .addr_b(addr_r),
- .din_a(din), .dout_a(), .dout_b(dout));
-
- // registers
- always @(posedge clk)
- begin
- cur_x_reg <= cur_x_next;
- cur_y_reg <= cur_y_next;
- pix_x1_reg <= pixel_x;
- pix_x2_reg <= pix_x1_reg;
- pix_y1_reg <= pixel_y;
- pix_y2_reg <= pix_y1_reg;
- end
- // tile RAM write
- assign addr_w = {cur_y_reg, cur_x_reg};
- assign we = btn[2];
- assign din = sw;
- // tile RAM read
- // use nondelayed coordinates to form tile RAM address
- assign addr_r = {pixel_y[8:4], pixel_x[9:3]};
- assign char_addr = dout;
- // font ROM
- assign row_addr = pixel_y[3:0];
- assign rom_addr = {char_addr, row_addr};
- // use delayed coordinate to select a bit
- assign bit_addr = pix_x2_reg[2:0];
- assign font_bit = font_word[~bit_addr];
- // new cursor position
- assign cur_x_next =
- (move_x_tick && (cur_x_reg==MAX_X-1)) ? 0 : // wrap
- (move_x_tick) ? cur_x_reg + 1 :
- cur_x_reg;
- assign cur_y_next =
- (move_y_tick && (cur_x_reg==MAX_Y-1)) ? 0 : // wrap
- (move_y_tick) ? cur_y_reg + 1 :
- cur_y_reg;
- // object signals
- // green over black and reversed video for cursor
- assign font_rgb = (font_bit) ? 3'b010 : 3'b000;
- assign font_rev_rgb = (font_bit) ? 3'b000 : 3'b010;
- // use delayed coordinates for comparison
- assign cursor_on = (pix_y2_reg[8:4]==cur_y_reg) &&
- (pix_x2_reg[9:3]==cur_x_reg);
- // rgb multiplexing circuit
- always @*
- if (~video_on)
- text_rgb = 3'b000; // blank
- else
- if (cursor_on)
- text_rgb = font_rev_rgb;
- else
- text_rgb = font_rgb;
-endmodule
-
-// Listing 14.5
-module text_screen_top
- (
- input wire clk, reset,
- input wire [2:0] btn,
- input wire [6:0] sw,
- output wire hsync, vsync,
- output wire [2:0] rgb
- );
-
- // signal declaration
- wire [9:0] pixel_x, pixel_y;
- wire video_on, pixel_tick;
- reg [2:0] rgb_reg;
- wire [2:0] rgb_next;
- // body
- // instantiate vga sync circuit
- vga_sync vsync_unit
- (.clk(clk), .reset(reset), .hsync(hsync), .vsync(vsync),
- .video_on(video_on), .p_tick(pixel_tick),
- .pixel_x(pixel_x), .pixel_y(pixel_y));
- // font generation circuit
- text_screen_gen text_gen_unit
- (.clk(clk), .reset(reset), .video_on(video_on),
- .btn(btn), .sw(sw), .pixel_x(pixel_x),
- .pixel_y(pixel_y), .text_rgb(rgb_next));
- // rgb buffer
- always @(posedge clk)
- if (pixel_tick)
- rgb_reg <= rgb_next;
- // output
- assign rgb = rgb_reg;
-endmodule
-// Listing 14.9
-module timer
- (
- input wire clk, reset,
- input wire timer_start, timer_tick,
- output wire timer_up
- );
-
- // signal declaration
- reg [6:0] timer_reg, timer_next;
-
- // registers
- always @(posedge clk, posedge reset)
- if (reset)
- timer_reg <= 7'b1111111;
- else
- timer_reg <= timer_next;
-
- // next-state logic
- always @*
- if (timer_start)
- timer_next = 7'b1111111;
- else if ((timer_tick) && (timer_reg != 0))
- timer_next = timer_reg - 1;
- else
- timer_next = timer_reg;
- // output
- assign timer_up = (timer_reg==0);
-
-endmodule
-// Listing 13.1
-module vga_sync
- (
- input wire clk, reset,
- output wire hsync, vsync, video_on, p_tick,
- output wire [9:0] pixel_x, pixel_y
- );
-
- // constant declaration
- // VGA 640-by-480 sync parameters
- localparam HD = 512; // horizontal display area
- localparam HF = 24; // h. front (left) border
- localparam HB = 16; // h. back (right) border
- localparam HR = 48; // h. retrace
- localparam VD = 480; // vertical display area
- localparam VF = 20; // v. front (top) border
- localparam VB = 20; // v. back (bottom) border
- localparam VR = 4; // v. retrace
-
- // sync counters
- reg [9:0] h_count_reg, h_count_next;
- reg [9:0] v_count_reg, v_count_next;
- // output buffer
- reg v_sync_reg, h_sync_reg;
- wire v_sync_next, h_sync_next;
- // status signal
- wire h_end, v_end, pixel_tick;
-
- // body
- // registers
- always @(posedge clk, posedge reset)
- if (reset)
- begin
- v_count_reg <= 0;
- h_count_reg <= 0;
- v_sync_reg <= 1'b0;
- h_sync_reg <= 1'b0;
- end
- else
- begin
- v_count_reg <= v_count_next;
- h_count_reg <= h_count_next;
- v_sync_reg <= v_sync_next;
- h_sync_reg <= h_sync_next;
- end
-
- // mod-2 circuit to generate 25 MHz enable tick
- assign pixel_tick = 1;
-
- // status signals
- // end of horizontal counter (799)
- assign h_end = (h_count_reg==(HD+HF+HB+HR-2));
- // end of vertical counter (524)
- assign v_end = (v_count_reg==(VD+VF+VB+VR-2));
-
- // next-state logic of mod-800 horizontal sync counter
- always @*
- if (pixel_tick) // 25 MHz pulse
- if (h_end)
- h_count_next = 0;
- else
- h_count_next = h_count_reg + 2;
- else
- h_count_next = h_count_reg;
-
- // next-state logic of mod-525 vertical sync counter
- always @*
- if (pixel_tick & h_end)
- if (v_end)
- v_count_next = 0;
- else
- v_count_next = v_count_reg + 2;
- else
- v_count_next = v_count_reg;
-
- // horizontal and vertical sync, buffered to avoid glitch
- // h_sync_next asserted between 656 and 751
- assign h_sync_next = (h_count_reg>=(HD+HB) &&
- h_count_reg<=(HD+HB+HR-1));
- // vh_sync_next asserted between 490 and 491
- assign v_sync_next = (v_count_reg>=(VD+VB) &&
- v_count_reg<=(VD+VB+VR-1));
-
- // video on/off
- assign video_on = (h_count_reg
- Making Games For The Atari 2600
+ Making Games For The Atari 2600 (Print/Kindle Editions)
- Making 8-bit Arcade Games in C
+ Making 8-bit Arcade Games in C (Print Edition)
+