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MiST common: added an arcade input module
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Gyorgy Szombathelyi
parent
71896a93a8
commit
1e112ff19a
167
common/mist/arcade_inputs.v
Normal file
167
common/mist/arcade_inputs.v
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@ -0,0 +1,167 @@
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/* Provides arcade controls from joystick/keyboard
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Keyboard has a simplified (ESC-coin, F1-F4 start) and MAME-style mapping */
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module arcade_inputs(
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// clock, same as for userio
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input clk,
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// signals from userio
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input key_strobe,
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input key_pressed,
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input [7:0] key_code,
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input [15:0] joystick_0,
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input [15:0] joystick_1,
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input [15:0] joystick_2,
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input [15:0] joystick_3,
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// required rotating of controls
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input rotate,
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// original orientation [1]-left/right if portrait, [0]-landscape/portrait
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input [1:0] orientation,
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// joystick_0 and joystick_1 should be swapped
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input joyswap,
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// player1 and player2 should get both joystick_0 and joystick_1
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input oneplayer,
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// tilt, coin4-1, start4-1
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output [8:0] controls,
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// fire12-1, up, down, left, right
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output [15:0] player1,
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output [15:0] player2,
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output [15:0] player3,
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output [15:0] player4
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);
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assign controls = { btn_tilt,
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btn_coin | btn_coin4_mame, btn_coin | btn_coin3_mame, btn_coin | btn_coin2_mame, btn_coin | btn_coin1_mame,
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btn_four_players | btn_start4_mame, btn_three_players | btn_start3_mame, btn_two_players | btn_start2_mame, btn_one_player | btn_start1_mame };
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wire [15:0] joy0 = joyswap ? joystick_1 : joystick_0;
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wire [15:0] joy1 = joyswap ? joystick_0 : joystick_1;
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wire [15:0] joy2 = joystick_2;
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wire [15:0] joy3 = joystick_3;
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wire [15:0] p1;
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wire [15:0] p2;
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wire [15:0] p3;
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wire [15:0] p4;
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assign p1[15:4] = joy0[15:4] | { 4'h0, btn_fireH, btn_fireG, btn_fireF, btn_fireE, btn_fireD, btn_fireC, btn_fireB, btn_fireA };
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assign p2[15:4] = joy1[15:4] | { 4'h0, btn_fire2H, btn_fire2G, btn_fire2F, btn_fire2E, btn_fire2D, btn_fire2C, btn_fire2B, btn_fire2A };
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assign p3[15:4] = joy2[15:4];
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assign p4[15:4] = joy3[15:4];
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control_rotator r1(joy0[3:0], {btn_up, btn_down, btn_left, btn_right }, rotate, orientation, p1[3:0]);
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control_rotator r2(joy1[3:0], {btn_up2, btn_down2, btn_left2, btn_right2}, rotate, orientation, p2[3:0]);
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control_rotator r3(joy2[3:0], 4'd0, rotate, orientation, p3[3:0]);
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control_rotator r4(joy3[3:0], 4'd0, rotate, orientation, p4[3:0]);
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assign player1 = oneplayer ? p1 | p2 : p1;
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assign player2 = oneplayer ? p1 | p2 : p2;
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assign player3 = p3;
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assign player4 = p4;
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// keyboard controls
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reg btn_tilt = 0;
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reg btn_one_player = 0;
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reg btn_two_players = 0;
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reg btn_three_players = 0;
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reg btn_four_players = 0;
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reg btn_left = 0;
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reg btn_right = 0;
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reg btn_down = 0;
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reg btn_up = 0;
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reg btn_fireA = 0;
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reg btn_fireB = 0;
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reg btn_fireC = 0;
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reg btn_fireD = 0;
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reg btn_fireE = 0;
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reg btn_fireF = 0;
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reg btn_fireG = 0;
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reg btn_fireH = 0;
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reg btn_coin = 0;
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reg btn_start1_mame = 0;
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reg btn_start2_mame = 0;
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reg btn_start3_mame = 0;
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reg btn_start4_mame = 0;
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reg btn_coin1_mame = 0;
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reg btn_coin2_mame = 0;
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reg btn_coin3_mame = 0;
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reg btn_coin4_mame = 0;
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reg btn_up2 = 0;
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reg btn_down2 = 0;
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reg btn_left2 = 0;
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reg btn_right2 = 0;
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reg btn_fire2A = 0;
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reg btn_fire2B = 0;
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reg btn_fire2C = 0;
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reg btn_fire2D = 0;
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reg btn_fire2E = 0;
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reg btn_fire2F = 0;
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reg btn_fire2G = 0;
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reg btn_fire2H = 0;
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always @(posedge clk) begin
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if(key_strobe) begin
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case(key_code)
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'h75: btn_up <= key_pressed; // up
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'h72: btn_down <= key_pressed; // down
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'h6B: btn_left <= key_pressed; // left
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'h74: btn_right <= key_pressed; // right
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'h76: btn_coin <= key_pressed; // ESC
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'h05: btn_one_player <= key_pressed; // F1
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'h06: btn_two_players <= key_pressed; // F2
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'h04: btn_three_players <= key_pressed; // F3
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'h0C: btn_four_players <= key_pressed; // F4
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'h12: btn_fireD <= key_pressed; // l-shift
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'h14: btn_fireC <= key_pressed; // ctrl
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'h11: btn_fireB <= key_pressed; // alt
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'h29: btn_fireA <= key_pressed; // Space
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'h1A: btn_fireE <= key_pressed; // Z
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'h22: btn_fireF <= key_pressed; // X
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'h21: btn_fireG <= key_pressed; // C
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'h2A: btn_fireH <= key_pressed; // V
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'h66: btn_tilt <= key_pressed; // Backspace
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// JPAC/IPAC/MAME Style Codes
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'h16: btn_start1_mame <= key_pressed; // 1
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'h1E: btn_start2_mame <= key_pressed; // 2
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'h26: btn_start3_mame <= key_pressed; // 3
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'h25: btn_start4_mame <= key_pressed; // 4
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'h2E: btn_coin1_mame <= key_pressed; // 5
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'h36: btn_coin2_mame <= key_pressed; // 6
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'h3D: btn_coin3_mame <= key_pressed; // 7
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'h3E: btn_coin4_mame <= key_pressed; // 8
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'h2D: btn_up2 <= key_pressed; // R
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'h2B: btn_down2 <= key_pressed; // F
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'h23: btn_left2 <= key_pressed; // D
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'h34: btn_right2 <= key_pressed; // G
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'h1C: btn_fire2A <= key_pressed; // A
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'h1B: btn_fire2B <= key_pressed; // S
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'h15: btn_fire2C <= key_pressed; // Q
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'h1D: btn_fire2D <= key_pressed; // W
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'h43: btn_fire2E <= key_pressed; // I
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'h42: btn_fire2F <= key_pressed; // K
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'h3B: btn_fire2G <= key_pressed; // J
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'h4B: btn_fire2H <= key_pressed; // L
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endcase
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end
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end
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endmodule
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module control_rotator (
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input [3:0] joystick, //UDLR
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input [3:0] keyboard,
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input rotate,
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input [1:0] orientation,
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output [3:0] out
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);
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assign out = { m_up, m_down, m_left, m_right };
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wire m_up = ~(orientation[0] ^ rotate) ? keyboard[3] | joystick[3] : ((orientation[1] ^ orientation[0]) ? keyboard[0] | joystick[0] : keyboard[1] | joystick[1]);
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wire m_down = ~(orientation[0] ^ rotate) ? keyboard[2] | joystick[2] : ((orientation[1] ^ orientation[0]) ? keyboard[1] | joystick[1] : keyboard[0] | joystick[0]);
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wire m_left = ~(orientation[0] ^ rotate) ? keyboard[1] | joystick[1] : ((orientation[1] ^ orientation[0]) ? keyboard[3] | joystick[3] : keyboard[2] | joystick[2]);
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wire m_right = ~(orientation[0] ^ rotate) ? keyboard[0] | joystick[0] : ((orientation[1] ^ orientation[0]) ? keyboard[2] | joystick[2] : keyboard[3] | joystick[3]);
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endmodule
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@ -4,9 +4,7 @@ set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) data_io
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set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) mist_video.v]
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set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) scandoubler.v]
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set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) osd.v]
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set_global_assignment -name VERILOG_FILE [file join $::quartus(qip_path) arcade_inputs.v]
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set_global_assignment -name SYSTEMVERILOG_FILE [file join $::quartus(qip_path) rgb2ypbpr.sv]
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set_global_assignment -name SYSTEMVERILOG_FILE [file join $::quartus(qip_path) cofi.sv]
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set_global_assignment -name VHDL_FILE [file join $::quartus(qip_path) dac.vhd]
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