Last change
on this file since 104 was 90, checked in by demin, 15 years ago |
full rewrite
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-
Property svn:executable
set to
*
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File size:
572 bytes
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1 | module trigger
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2 | (
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3 | input wire clock, frame, reset,
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4 | input wire [11:0] cfg_data,
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5 | input wire [11:0] trg_data,
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6 | output wire trg_flag
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7 | );
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8 |
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9 | reg trg_flag_reg;
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10 | reg [11:0] cfg_data_reg;
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11 | reg [11:0] trg_data_reg;
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12 |
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13 | always @(posedge clock)
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14 | begin
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15 | if (reset)
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16 | begin
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17 | trg_flag_reg <= 1'b0;
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18 | end
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19 | else
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20 | begin
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21 | if (frame)
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22 | begin
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23 | cfg_data_reg <= cfg_data;
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24 | trg_data_reg <= trg_data;
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25 | end
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26 | trg_flag_reg <= (trg_data_reg >= cfg_data_reg);
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27 | end
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28 | end
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29 |
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30 | assign trg_flag = trg_flag_reg;
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31 |
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32 | endmodule
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