vgamemory.sym

罗马尼亚克鲁日工程大学Mircea D&#259 b&acirc can, PhD提供的示波器开发全文挡及C,VHDL代码.

VERSION 5
BEGIN SYMBOL 
SYMBOLTYPE BLOCK
TIMESTAMP 2006 1 13 19 12 58
SYMPIN 0 -352 Input rst
SYMPIN 0 -288 Input rd
SYMPIN 0 -224 Input wr
SYMPIN 0 -160 Input r_addr(9:0)
SYMPIN 0 -96 Input w_addr(9:0)
SYMPIN 0 -32 Input datain(7:0)
SYMPIN 384 -352 Output dataout(7:0)
BEGIN DISPLAY 192 -392 ATTR SymbolName
    ALIGNMENT BCENTER
    FONT 56 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -352 PIN rst ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -288 PIN rd ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -224 PIN wr ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -160 PIN r_addr(9:0) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -96 PIN w_addr(9:0) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -32 PIN datain(7:0) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 312 -352 PIN dataout(7:0) ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
RECTANGLE N 64 -384 320 0 
LINE N 64 -352 0 -352 
LINE N 64 -288 0 -288 
LINE N 64 -224 0 -224 
LINE N 64 -160 0 -160 
RECTANGLE N 0 -172 64 -148 
LINE N 64 -96 0 -96 
RECTANGLE N 0 -108 64 -84 
LINE N 64 -32 0 -32 
RECTANGLE N 0 -44 64 -20 
LINE N 320 -352 384 -352 
RECTANGLE N 320 -364 384 -340 
END SYMBOL