?? cmd.v
字號:
module cmdteam(reset,outCmd,replyUp,replyDown,cmdUp,cmdDown);input reset;input[7:0] replyUp;input[3:0] outCmd;input[7:0] replyDown;output[7:0] cmdUp;output[7:0] cmdDown;reg[7:0] cmdUp;reg[7:0] cmdDown;reg[3:0] temp; always @(reset or replyUp or replyDown or outCmd)begin if(!reset) begin cmdUp=0; cmdDown=0; temp=outCmd; end else begin if(replyUp || replyDown) begin case (replyUp) 'b00000001: cmdUp[0]=0; 'b00000010: cmdUp[1]=0; 'b00000100: cmdUp[2]=0; 'b00001000: cmdUp[3]=0; 'b00010000: cmdUp[4]=0; 'b00100000: cmdUp[5]=0; 'b01000000: cmdUp[6]=0; 'b10000000: cmdUp[7]=0; endcase case (replyDown) 'b00000001: cmdDown[0]=0; 'b00000010: cmdDown[1]=0; 'b00000100: cmdDown[2]=0; 'b00001000: cmdDown[3]=0; 'b00010000: cmdDown[4]=0; 'b00100000: cmdDown[5]=0; 'b01000000: cmdDown[6]=0; 'b10000000: cmdDown[7]=0; endcase end else if(outCmd!=temp && outCmd!='b1111 && outCmd!='b0000) begin temp=outCmd; if(outCmd[3]==1) cmdUp[outCmd[2:0]]='b1; else cmdDown[outCmd[2:0]]='b1; end endendendmodule ?? 快捷鍵說明
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