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verilog tank example

This commit is contained in:
Steven Hugg 2018-10-03 18:49:14 -04:00
parent e4b7e1375c
commit 190ea9fbda
1 changed files with 14 additions and 5 deletions
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19
presets/verilog/tank.v
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@ -1,6 +1,5 @@
`include "hvsync_generator.v"
`include "digits10.v"
`include "sprite_rotation.v"
/*
@ -122,10 +121,13 @@ module tank_game_top(clk, reset, hsync, vsync, rgb, switches_p1, switches_p2);
wire display_on;
wire [8:0] hpos;
wire [8:0] vpos;
wire mine_gfx;
wire playfield_gfx;
wire tank1_gfx, tank2_gfx;
wire mine_gfx; // minefield video
wire playfield_gfx; // playfield video
wire tank1_gfx; // player 1 tank video
wire tank2_gfx; // player 2 tank video
// video sync generator
hvsync_generator hvsync_gen(
.clk(clk),
.reset(0),
@ -136,12 +138,14 @@ module tank_game_top(clk, reset, hsync, vsync, rgb, switches_p1, switches_p2);
.vpos(vpos)
);
// minefield (video output -> mine_gfx)
minefield mine_gen(
.hpos(hpos),
.vpos(vpos),
.mine_gfx(mine_gfx)
);
// playfield (video output -> playfield_gfx)
playfield playfield_gen(
.hpos(hpos),
.vpos(vpos),
@ -150,9 +154,11 @@ module tank_game_top(clk, reset, hsync, vsync, rgb, switches_p1, switches_p2);
// multiplex player 1 and 2 load times during hsync
wire p2sel = hpos > 280;
// sprite ROM inputs for each player
wire [7:0] tank1_sprite_addr;
wire [7:0] tank2_sprite_addr;
// multiplex sprite ROM output
wire [7:0] tank_sprite_bits;
@ -160,7 +166,8 @@ module tank_game_top(clk, reset, hsync, vsync, rgb, switches_p1, switches_p2);
tank_bitmap tank_bmp(
.addr(p2sel ? tank2_sprite_addr : tank1_sprite_addr),
.bits(tank_sprite_bits));
// player 1 tank controller
tank_controller #(16,36,4) tank1(
.clk(clk),
.reset(reset),
@ -177,6 +184,7 @@ module tank_game_top(clk, reset, hsync, vsync, rgb, switches_p1, switches_p2);
.switch_up(switches_p1[2])
);
// player 2 tank controller
tank_controller #(220,190,12) tank2(
.clk(clk),
.reset(reset),
@ -193,6 +201,7 @@ module tank_game_top(clk, reset, hsync, vsync, rgb, switches_p1, switches_p2);
.switch_up(switches_p2[2])
);
// video signal mixer
wire r = display_on && (mine_gfx || tank2_gfx);
wire g = display_on && tank1_gfx;
wire b = display_on && (playfield_gfx || tank2_gfx);