| Line 29... |
Line 29... |
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module sub_UserLines(
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module sub_UserLines(
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MASTER_CLK, MASTER_RST,
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MASTER_CLK, MASTER_RST,
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LINE_VALUE_OUT,
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LINE_VALUE_OUT,
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BUTTON_RISE, BUTTON_FALL,
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BUTTON_RISE, BUTTON_FALL,
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XCOORD, YCOORD,
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XCOORD, YCOORD, RESET_VALUE,
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LEFT, RGHT, BOT, TOP,
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LEFT, RGHT, BOT, TOP,
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SETXnY
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SETXnY
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);
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);
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//==================================================================//
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//==================================================================//
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Line 58... |
input BUTTON_RISE; // Trigger has risen
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input BUTTON_RISE; // Trigger has risen
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input BUTTON_FALL; // Trigger has fallen
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input BUTTON_FALL; // Trigger has fallen
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output[9:0] LINE_VALUE_OUT; // a 10 bit register to store the X or Y value
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output[9:0] LINE_VALUE_OUT; // a 10 bit register to store the X or Y value
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input[9:0] RESET_VALUE; // Reset value
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//----------------------//
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//----------------------//
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// NODES //
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// NODES //
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//----------------------//
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//----------------------//
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wire MASTER_CLK, MASTER_RST;
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wire MASTER_CLK, MASTER_RST;
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wire[9:0] XCOORD, YCOORD;
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wire[9:0] XCOORD, YCOORD, RESET_VALUE;
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wire[9:0] LEFT, RGHT, TOP, BOT;
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wire[9:0] LEFT, RGHT, TOP, BOT;
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wire SETXnY;
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wire SETXnY;
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wire BUTTON_RISE, BUTTON_FALL;
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wire BUTTON_RISE, BUTTON_FALL;
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reg[9:0] LINE_VALUE_OUT;
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reg[9:0] LINE_VALUE_OUT;
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Line 99... |
drag <= 1'b0;
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drag <= 1'b0;
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else
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else
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drag <= drag;
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drag <= drag;
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end
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end
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/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Until this is figured out, it is bad to have the lines at 'zero'
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(due to the comparison for 'in range')
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++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/
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always @ (posedge MASTER_CLK or posedge MASTER_RST) begin
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always @ (posedge MASTER_CLK or posedge MASTER_RST) begin
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if(MASTER_RST)
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if(MASTER_RST)
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LINE_VALUE_OUT <= 10'd200;
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LINE_VALUE_OUT <= RESET_VALUE;
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else if(drag && SETXnY)
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else if(drag && SETXnY)
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LINE_VALUE_OUT <= XCOORD;
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LINE_VALUE_OUT <= XCOORD;
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else if(drag && !SETXnY)
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else if(drag && !SETXnY && (YCOORD<=10'd400))
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LINE_VALUE_OUT <= YCOORD;
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LINE_VALUE_OUT <= YCOORD;
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else
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else
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LINE_VALUE_OUT <= LINE_VALUE_OUT;
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LINE_VALUE_OUT <= LINE_VALUE_OUT;
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end
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end
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