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[fpga-games] / galaxian / src / mc_inport.v
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1//---------------------------------------------------------------------\r
2// FPGA MOONCRESTA INPORT \r
3//\r
4// Version : 1.01\r
5//\r
6// Copyright(c) 2004 Katsumi Degawa , All rights reserved\r
7//\r
8// Important !\r
9//\r
10// This program is freeware for non-commercial use. \r
11// An author does no guarantee about this program.\r
12// You can use this under your own risk.\r
13//\r
14// 2004-4-30 galaxian modify by K.DEGAWA\r
15//---------------------------------------------------------------------\r
16\r
17// DIP SW 0 1 2 3 4 5 \r
18//---------------------------------------------------------------\r
19// COIN CHUTE \r
20// 1 COIN/1 PLAY 1'b0 1'b0 \r
21// 2 COIN/1 PLAY 1'b1 1'b0 \r
22// 1 COIN/2 PLAY 1'b0 1'b1 \r
23// FREE PLAY 1'b1 1'b1 \r
24// BOUNS\r
25// 1'b0 1'b0 \r
26// 1'b1 1'b0 \r
27// 1'b0 1'b1 \r
28// 1'b1 1'b1\r
29// LIVES \r
30// 2 1'b0\r
31// 3 1'b1\r
32\r
33module mc_inport(\r
34\r
35I_COIN1, // ACTIVE HI\r
36I_COIN2, // ACTIVE HI\r
37I_1P_LE, // ACTIVE HI\r
38I_1P_RI, // ACTIVE HI\r
39I_1P_SH, // ACTIVE HI\r
40I_2P_LE,\r
41I_2P_RI,\r
42I_2P_SH,\r
43I_1P_START, // ACTIVE HI\r
44I_2P_START, // ACTIVE HI\r
45\r
46I_SW0_OEn,\r
47I_SW1_OEn,\r
48I_DIP_OEn,\r
49\r
50O_D\r
51\r
52);\r
53\r
54input I_COIN1;\r
55input I_COIN2;\r
56input I_1P_LE;\r
57input I_1P_RI;\r
58input I_1P_SH;\r
59input I_2P_LE;\r
60input I_2P_RI;\r
61input I_2P_SH;\r
62input I_1P_START;\r
63input I_2P_START;\r
64\r
65input I_SW0_OEn;\r
66input I_SW1_OEn;\r
67input I_DIP_OEn;\r
68\r
69output [7:0]O_D;\r
70\r
71wire W_TABLE = 0; // UP TYPE = 0;\r
72\r
73wire [5:0]W_DIP_D = {1'b0,1'b1,1'b0,1'b0,1'b0,1'b0};\r
74wire [7:0]W_SW0_DI = { 1'b0, 1'b0, W_TABLE, I_1P_SH, I_1P_RI, I_1P_LE, I_COIN2, I_COIN1};\r
75wire [7:0]W_SW1_DI = {W_DIP_D[1],W_DIP_D[0], 1'b0, I_2P_SH, I_2P_RI, I_2P_LE,I_2P_START,I_1P_START};\r
76wire [7:0]W_DIP_DI = { 1'b0, 1'b0, 1'b0, 1'b0,W_DIP_D[5],W_DIP_D[4],W_DIP_D[3],W_DIP_D[2]};\r
77\r
78wire [7:0]W_SW0_DO = I_SW0_OEn ? 8'h00 : W_SW0_DI;\r
79wire [7:0]W_SW1_DO = I_SW1_OEn ? 8'h00 : W_SW1_DI;\r
80wire [7:0]W_DIP_DO = I_DIP_OEn ? 8'h00 : W_DIP_DI;\r
81\r
82assign O_D = W_SW0_DO | W_SW1_DO | W_DIP_DO ;\r
83\r
84endmodule
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