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Diffstat (limited to 'GPU/hdl/GPU_IF.v')
| -rw-r--r-- | GPU/hdl/GPU_IF.v | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/GPU/hdl/GPU_IF.v b/GPU/hdl/GPU_IF.v new file mode 100644 index 0000000..f32de1e --- /dev/null +++ b/GPU/hdl/GPU_IF.v @@ -0,0 +1,219 @@ +// gpuv2.v + +// This file was auto-generated as a prototype implementation of a module +// created in component editor. It ties off all outputs to ground and +// ignores all inputs. It needs to be edited to make it do something +// useful. +// +// This file will not be automatically regenerated. You should check it in +// to your version control system if you want to keep it. + +`timescale 1 ps / 1 ps +module gpuv2 #( + parameter AUTO_CLOCK_CLOCK_RATE = "-1" + ) ( + input wire clk, // clock.clk + input wire rst_n, // reset.reset_n + input wire vga_clk, // vga_out.export + output reg [2:0] vga_red, // .export + output reg [2:0] vga_green, // .export + output reg [2:0] vga_blue, // .export + output reg vga_hs, // .export + output reg vga_vs, // .export + input wire [31:0] data, // avalon_slave.writedata + input wire wr_n, // .write_n + input wire cs_n, // .chipselect_n + input wire [6:0] address // .address + ); + + + reg [9:0] ball_x; + reg [8:0] ball_y; + reg [8:0] bat0_y; + reg [8:0] bat1_y; + + reg [15:0] sprite[0:15]; + + wire [4:0] reg_addr; + + assign reg_addr = address[6:2]; + + + reg [2:0] sprite_red; + reg [2:0] sprite_green; + reg [2:0] sprite_blue; + + always @(posedge clk or negedge rst_n) + begin + if (rst_n == 0) begin + ball_x <= 10'd127; + ball_y <= 10'd127; + bat0_y <= 10'd100; + bat1_y <= 10'd200; + + sprite[0]=16'b1111111111111111; + sprite[1]=16'b1000000000000001; + sprite[2]=16'b1000000000000001; + sprite[3]=16'b1000000000000001; + sprite[4]=16'b1000000000000001; + sprite[5]=16'b1000000000000001; + sprite[6]=16'b1000000000000001; + sprite[7]=16'b1000000000000001; + sprite[8]=16'b1000000000000001; + sprite[9]=16'b1000000000000001; + sprite[10]=16'b1000000000000001; + sprite[11]=16'b1000000000000001; + sprite[12]=16'b1000000000000001; + sprite[13]=16'b1000000000000001; + sprite[14]=16'b1000000000000001; + sprite[15]=16'b1111111111111111; + + sprite_red[2:0]=3'b111; + sprite_green[2:0]=3'b000; + sprite_blue[2:0]=3'b111; + + end else if (~cs_n && ~wr_n) begin + if (reg_addr[4]) begin + sprite[reg_addr[3:0]]<=data[15:0]; + end else begin + case (reg_addr[2:0]) + 3'b000: + ball_x <= data[9:0]; + 3'b001: + ball_y <= data[8:0]; + 3'b010: + bat0_y <= data[8:0]; + 3'b011: + bat1_y <= data[8:0]; + 3'b100: + begin + sprite_red <= data[8:6]; + sprite_green <= data[5:3]; + sprite_blue <= data[2:0]; + end + endcase + end + end + end + + + reg trig_25M; + always @ (posedge vga_clk) + begin + if(!rst_n) + trig_25M <= 1'b0; + else + trig_25M <= ~trig_25M; + end + + reg [9:0] vector_x; + always @ (posedge vga_clk or negedge rst_n) + begin + if(!rst_n) + vector_x <= 10'd0; + else if(trig_25M) + begin + if(vector_x != 10'd799) + vector_x <= vector_x + 1'b1; + else + vector_x <= 10'd0; + end + end + + reg [9:0] vector_y; + always @ (posedge vga_clk or negedge rst_n) + begin + if(!rst_n) + vector_y <= 10'd0; + else if(trig_25M) + begin + if(vector_x == 10'd799) + begin + if(vector_y != 10'd524) + vector_y <= vector_y + 1'b1; + else + vector_y <= 10'd0; + end + end + end + + always @ (posedge vga_clk or negedge rst_n) + begin + if(!rst_n) + vga_hs <= 1'b0; + else if(trig_25M) + begin + if(vector_x >= 10'd656 && vector_x < 10'd752) + vga_hs <= 1'b0; + else + vga_hs <= 1'b1; + end + end + + always @ (posedge vga_clk or negedge rst_n) + begin + if(!rst_n) + vga_vs <= 1'b0; + else if(trig_25M) + begin + if(vector_y >= 10'd490 && vector_y < 10'd492) + vga_vs <= 1'b0; + else + vga_vs <= 1'b1; + end + end + + + + reg [2:0] index; + always @ (posedge vga_clk or negedge rst_n) + begin + if(!rst_n) + index <= 3'b000; + else if(trig_25M) + begin + if(vector_x < 10'd640 && vector_y < 10'd480) + if(vector_x >= (ball_x - 8 )&& vector_x <=( ball_x + 7 ) + && vector_y >= (ball_y - 8) && vector_y <= (ball_y + 7)) begin + if (sprite[(vector_y - (ball_y - 8)) & 15 ][(vector_x - (ball_x -8))& 15 ]) + index <= 3'b001; + else + index <= 3'b000; + end else if (vector_x < 10'd4) + if (vector_y >=( bat0_y - 20 ) && vector_y <= (bat0_y + 20) ) + index <= 3'b111; + else + index <= 3'b000; + else if (vector_x >= 10'd318 && vector_x < 10'd322) + index <= {3{vector_y[3]}}; + else if (vector_x >= 10'd636 && vector_x < 10'd640) + if (vector_y >=( bat1_y - 20 ) && vector_y <= (bat1_y + 20) ) + index <= 3'b111; + else + index <= 3'b000; + else + index <= 3'b000; + else + index <= 3'b000; + end + end + + always begin + if (index == 3'b000) begin + vga_red = 3'b000; + vga_green = 3'b000; + vga_blue = 3'b000; + end else if (index == 3'b001) begin + vga_red = sprite_red; + vga_green= sprite_green; + vga_blue = sprite_blue; + end else begin + vga_red= 3'b111; + vga_green=3'b111; + vga_blue=3'b111; + end + + + end + +endmodule |