| Line 72... |
Line 72... |
reg [6:0] COLUP0; // color-lum player 0
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reg [6:0] COLUP0; // color-lum player 0
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reg [6:0] COLUP1; // color-lum player 1
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reg [6:0] COLUP1; // color-lum player 1
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reg [6:0] COLUPF; // color-lum playfield
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reg [6:0] COLUPF; // color-lum playfield
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reg [6:0] COLUBK; // color-lum background
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reg [6:0] COLUBK; // color-lum background
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reg [4:0] CTRLPF; // control playfield ball size & collisions
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reg [4:0] CTRLPF; // control playfield ball size & collisions
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// D0 = REF (reflect playfield)
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// D1 = SCORE (left half of playfield gets color of player 0, right half gets color of player 1)
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// D2 = PFP (playfield gets priority over players so they can move behind the playfield)
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// D4 & D5 = BALL SIZE
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reg REFP0; // reflect player 0
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reg REFP0; // reflect player 0
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reg REFP1; // reflect player 1
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reg REFP1; // reflect player 1
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reg [3:0] PF0; // playfield register byte 0
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reg [3:0] PF0; // playfield register byte 0
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reg [7:0] PF1; // playfield register byte 1
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reg [7:0] PF1; // playfield register byte 1
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reg [7:0] PF2; // playfield register byte 2
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reg [7:0] PF2; // playfield register byte 2
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| Line 105... |
Line 109... |
reg VDELBL; // vertical delay ball
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reg VDELBL; // vertical delay ball
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reg RESMP0; // reset missile 0 to player 0
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reg RESMP0; // reset missile 0 to player 0
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reg RESMP1; // reset missile 1 to player 1
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reg RESMP1; // reset missile 1 to player 1
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reg HMOVE; // s t r o b e apply horizontal motion
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reg HMOVE; // s t r o b e apply horizontal motion
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reg HMCLR; // s t r o b e clear horizontal motion registers
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reg HMCLR; // s t r o b e clear horizontal motion registers
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reg CXCLR ; // s t r o b e clear collision latches
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reg [1:0] CXM0P; // read collision MO P1 M0 P0
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reg [1:0] CXM0P; // read collision MO P1 M0 P0
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reg [1:0] CXM1P; // read collision M1 P0 M1 P1
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reg [1:0] CXM1P; // read collision M1 P0 M1 P1
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reg [1:0] CXP0FB; // read collision P0 PF P0 BL
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reg [1:0] CXP0FB; // read collision P0 PF P0 BL
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reg [1:0] CXP1FB; // read collision P1 PF P1 BL
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reg [1:0] CXP1FB; // read collision P1 PF P1 BL
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| Line 280... |
Line 283... |
HMOVE <= 1'b1; // STROBE
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HMOVE <= 1'b1; // STROBE
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end
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end
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6'h2b: begin
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6'h2b: begin
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HMCLR <= 1'b1; // STROBE
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HMCLR <= 1'b1; // STROBE
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end
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end
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6'h2c: begin
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6'h2c: begin // cxclr STROBE
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CXCLR <= 1'b1; // STROBE
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CXM0P <= 2'b0; // read collision MO P1 M0 P0
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CXM1P <= 2'b0; // read collision M1 P0 M1 P1
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CXP0FB <= 2'b0; // read collision P0 PF P0 BL
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CXP1FB <= 2'b0; // read collision P1 PF P1 BL
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CXM0FB <= 2'b0; // read collision M0 PF M0 BL
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CXM1FB <= 2'b0; // read collision M1 PF M1 BL
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CXBLPF <= 2'b0; // read collision BL PF unused
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CXPPMM <= 2'b0; // read collision P0 P1 M0 M1
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end
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end
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default: begin
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default: begin
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end
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end
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endcase
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endcase
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end
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end
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