xzq3.sym

四人抢答器的实现

VERSION 5
BEGIN SYMBOL 
SYMBOLTYPE BLOCK
TIMESTAMP 2007 4 24 0 11 41
SYMPIN 0 -224 Input sel(2:0)
SYMPIN 0 -160 Input d1(3:0)
SYMPIN 0 -96 Input d2(3:0)
SYMPIN 0 -32 Input d3(3:0)
SYMPIN 384 -224 Output wx(7:0)
SYMPIN 384 -32 Output q(3:0)
RECTANGLE N 64 -256 320 0 
BEGIN DISPLAY 192 -264 ATTR SymbolName
    ALIGNMENT BCENTER
    FONT 56 "Arial"
END DISPLAY
LINE N 64 -224 0 -224 
BEGIN DISPLAY 72 -224 PIN sel(2:0) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
RECTANGLE N 0 -236 64 -212 
LINE N 64 -160 0 -160 
BEGIN DISPLAY 72 -160 PIN d1(3:0) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
RECTANGLE N 0 -172 64 -148 
LINE N 64 -96 0 -96 
BEGIN DISPLAY 72 -96 PIN d2(3:0) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
RECTANGLE N 0 -108 64 -84 
LINE N 64 -32 0 -32 
BEGIN DISPLAY 72 -32 PIN d3(3:0) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
RECTANGLE N 0 -44 64 -20 
LINE N 320 -224 384 -224 
BEGIN DISPLAY 312 -224 PIN wx(7:0) ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
RECTANGLE N 320 -236 384 -212 
LINE N 320 -32 384 -32 
BEGIN DISPLAY 312 -32 PIN q(3:0) ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
RECTANGLE N 320 -44 384 -20 
END SYMBOL