-
Notifications
You must be signed in to change notification settings - Fork 0
/
text_display.sv
199 lines (176 loc) · 8.03 KB
/
text_display.sv
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
module text_display (
input logic [9:0] DrawX, DrawY,
input logic Wait_Before_Level1, Wait_Before_Level2, Wait_Before_Level3, game_final,
output logic pixel_on,
input logic Init1_Active, Init2_Active
);
logic [10:0] sprite_addr;
logic [7:0] sprite_data;
logic [3:0] index;
font_rom ROM (.addr(sprite_addr), .data(sprite_data));
//Init1_Active & Init2_Active
// ASCII values for "WORLD'S HARDEST GAME"
localparam [7:0] line1_text0[19:0] = {
8'h45, 8'h4D, 8'h41, 8'h47, 8'h20, 8'h54,
8'h53, 8'h45, 8'h44, 8'h52, 8'h41, 8'h48, 8'h20, // "EMAG TSEDRAH "
8'h53, 8'h27, 8'h44, 8'h4C, 8'h52, 8'h4F, 8'h57 // "S'DLROW"
};
// ASCII values for "(PRESS ANY KEY TO CONTINUE)"
localparam [7:0] line2_text0[26:0] = {
8'h29, 8'h45, 8'h55, 8'h4E, 8'h49,
8'h54, 8'h4E, 8'h4F, 8'h43, 8'h20,
8'h4F, 8'h54, 8'h20, 8'h59, 8'h45,
8'h4B, 8'h20, 8'h59, 8'h4E, 8'h41,
8'h20, 8'h53, 8'h53, 8'h45, 8'h52,
8'h50, 8'h28 // "(EUNITNOC OT YEK YNA SSERP)"
};
localparam start_line1_x0 = 240;
localparam start_line1_y0 = 224;
localparam start_line2_x0 = 212;
localparam start_line2_y0 = 224;
localparam char_line1_length0 = 20;
localparam char_line2_length0 = 27;
//Level 1
// ASCII values for "YOU DON'T KNOW WHAT"
localparam [7:0] line1_text1[18:0] = {
8'h54, 8'h41, 8'h48, 8'h57, 8'h20, // "TAHW "
8'h57, 8'h4F, 8'h4E, 8'h4B, 8'h20, // "WONK "
8'h54, 8'h27, 8'h4E, 8'h4F, 8'h44, 8'h20, // "T'NOD "
8'h55, 8'h4F, 8'h59 // "UOY"
};
// ASCII values for "YOU'RE GETTING INTO."
localparam [7:0] line2_text1[19:0] = {
8'h2E, 8'h4F, 8'h54, 8'h4E, 8'h49, 8'h20, // ".OTNI "
8'h47, 8'h4E, 8'h49, 8'h54, 8'h54, 8'h45, 8'h47, 8'h20, // "GNITTEG "
8'h45, 8'h52, 8'h27, 8'h55, 8'h4F, 8'h59 // "ER'UOY"
};
localparam start_line1_x1 = 244;
localparam start_line1_y1 = 224;
localparam start_line2_x1 = 244;
localparam start_line2_y1 = 224;
localparam char_line1_length1 = 19;
localparam char_line2_length1 = 20;
//Level 2
// ASCII values for "DON'T EVEN BOTHER"
localparam [7:0] line1_text2[16:0] = {
8'h52, 8'h45, 8'h48, 8'h54, 8'h4F, 8'h42, 8'h20, // "REHTOB "
8'h4E, 8'h45, 8'h56, 8'h45, 8'h20, // "NEVE "
8'h54, 8'h27, 8'h4E, 8'h4F, 8'h44 // "T'NOD"
};
// ASCII values for "TRYING."
localparam [7:0] line2_text2[6:0] = {
8'h2E, 8'h47, 8'h4E, 8'h49, 8'h59, 8'h52, 8'h54 // ".GNIRYT"
};
localparam start_line1_x2 = 252;
localparam start_line1_y2 = 224;
localparam start_line2_x2 = 296;
localparam start_line2_y2 = 224;
localparam char_line1_length2 = 17;
localparam char_line2_length2 = 7;
//Level 3
// ASCII values for "I CAN ALMOST"
localparam [7:0] line1_text3[11:0] = {
8'h54, 8'h53, 8'h4F, 8'h4D, 8'h4C, 8'h41, // "TSOMLA"
8'h20, 8'h4E, 8'h41, 8'h43, 8'h20, 8'h49 // " NAC I"
};
// ASCII values for "GUARANTEE YOU WILL"
localparam [7:0] line2_text3[17:0] = {
8'h4C, 8'h4C, 8'h49, 8'h57, 8'h20, // "LLIW "
8'h55, 8'h4F, 8'h59, 8'h20, // "UOY "
8'h45, 8'h45, 8'h54, 8'h4E, 8'h41, 8'h52, 8'h41, 8'h55, 8'h47 // "EETNARAUG"
};
// ASCII values for "FAIL."
localparam [7:0] line3_text3[4:0] = {
8'h2E, 8'h4C, 8'h49, 8'h41, 8'h46 // ".LIAF"
};
localparam start_line1_x3 = 272;
localparam start_line1_y3 = 208;
localparam start_line2_x3 = 248;
localparam start_line2_y3 = 208;
localparam start_line3_x3 = 304;
localparam start_line3_y3 = 208;
localparam char_line1_length3 = 12;
localparam char_line2_length3 = 18;
localparam char_line3_length3 = 5;
//Level Game Over
// ASCII values for "YOU WIN!"
localparam [7:0] line1_text4[7:0] = {
8'h21, 8'h4E, 8'h49, 8'h57, 8'h20, 8'h55, 8'h4F, 8'h59 // "!NIW UOY"
};
localparam start_line1_x4 = 288;
localparam start_line1_y4 = 224;
localparam char_line1_length4 = 8;
always_comb begin
if (Init1_Active) begin
if (DrawX >= start_line1_x0 && DrawX < start_line1_x0 + 8 * char_line1_length0 && DrawY >= start_line1_y0 && DrawY < start_line1_y0 + 16) begin
sprite_addr = (16 * line1_text0[(DrawX - start_line1_x0) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line1_x0) % 8;
pixel_on = sprite_data[index];
end else begin
pixel_on = 1'b0;
end
end else if (Init2_Active) begin
if (DrawX >= start_line1_x0 && DrawX < start_line1_x0 + 8 * char_line1_length0 && DrawY >= start_line1_y0 && DrawY < start_line1_y0 + 16) begin
sprite_addr = (16 * line1_text0[(DrawX - start_line1_x0) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line1_x0) % 8;
pixel_on = sprite_data[index];
end else if (DrawX >= start_line2_x0 && DrawX < start_line2_x0 + 8 * char_line2_length0 && DrawY >= start_line2_y0 + 64 && DrawY < start_line2_y0 + 80) begin
sprite_addr = (16 * line2_text0[(DrawX - start_line2_x0) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line2_x0) % 8;
pixel_on = sprite_data[index];
end else begin
pixel_on = 1'b0;
end
end else if (Wait_Before_Level1) begin
if (DrawX >= start_line1_x1 && DrawX < start_line1_x1 + 8 * char_line1_length1 && DrawY >= start_line1_y1 && DrawY < start_line1_y1 + 16) begin
sprite_addr = (16 * line1_text1[(DrawX - start_line1_x1) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line1_x1) % 8;
pixel_on = sprite_data[index];
end else if (DrawX >= start_line2_x1 && DrawX < start_line2_x1 + 8 * char_line2_length1 && DrawY >= start_line2_y1 + 16 && DrawY < start_line2_y1 + 32) begin
sprite_addr = (16 * line2_text1[(DrawX - start_line2_x1) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line2_x1) % 8;
pixel_on = sprite_data[index];
end else begin
pixel_on = 1'b0;
end
end else if (Wait_Before_Level2) begin
if (DrawX >= start_line1_x2 && DrawX < start_line1_x2 + 8 * char_line1_length2 && DrawY >= start_line1_y2 && DrawY < start_line1_y2 + 16) begin
sprite_addr = (16 * line1_text2[(DrawX - start_line1_x2) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line1_x2) % 8;
pixel_on = sprite_data[index];
end else if (DrawX >= start_line2_x2 && DrawX < start_line2_x2 + 8 * char_line2_length2 && DrawY >= start_line2_y2 + 16 && DrawY < start_line2_y2 + 32) begin
sprite_addr = (16 * line2_text2[(DrawX - start_line2_x2) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line2_x2) % 8;
pixel_on = sprite_data[index];
end else begin
pixel_on = 1'b0;
end
end else if (Wait_Before_Level3) begin
if (DrawX >= start_line1_x3 && DrawX < start_line1_x3 + 8 * char_line1_length3 && DrawY >= start_line1_y3 && DrawY < start_line1_y3 + 16) begin
sprite_addr = (16 * line1_text3[(DrawX - start_line1_x3) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line1_x3) % 8;
pixel_on = sprite_data[index];
end else if (DrawX >= start_line2_x3 && DrawX < start_line2_x3 + 8 * char_line2_length3 && DrawY >= start_line2_y3 + 16 && DrawY < start_line2_y3 + 32) begin
sprite_addr = (16 * line2_text3[(DrawX - start_line2_x3) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line2_x3) % 8;
pixel_on = sprite_data[index];
end else if (DrawX >= start_line3_x3 && DrawX < start_line3_x3 + 8 * char_line3_length3 && DrawY >= start_line3_y3 + 32 && DrawY < start_line3_y3 + 48) begin
sprite_addr = (16 * line3_text3[(DrawX - start_line3_x3) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line3_x3) % 8;
pixel_on = sprite_data[index];
end else begin
pixel_on = 1'b0;
end
end else if (game_final) begin
if (DrawX >= start_line1_x4 && DrawX < start_line1_x4 + 8 * char_line1_length4 && DrawY >= start_line1_y4 && DrawY < start_line1_y4 + 16) begin
sprite_addr = (16 * line1_text4[(DrawX - start_line1_x4) / 8]) + DrawY[3:0];
index = 7 - (DrawX - start_line1_x4) % 8;
pixel_on = sprite_data[index];
end else begin
pixel_on = 1'b0;
end
end else begin
pixel_on = 1'b0;
end
end
endmodule