disp_ram.asy

：两人乒乓球赛 Requires: D2SB and DIO4 with VGA monitor and PS2 Keyboard

Version 4
SymbolType BLOCK



RECTANGLE Normal 32 0 256 496
PIN 0 48  LEFT 36
PINATTR PinName addra[14:0]
PINATTR Polarity IN
LINE Wide 0 48 32 48
PIN 0 80  LEFT 36
PINATTR PinName dina[7:0]
PINATTR Polarity IN
LINE Wide 0 80 32 80
PIN 0 112  LEFT 36
PINATTR PinName wea
PINATTR Polarity IN
LINE Normal 0 112 32 112
PIN 0 240  LEFT 36
PINATTR PinName clka
PINATTR Polarity IN
LINE Normal 0 240 32 240
PIN 0 272  LEFT 36
PINATTR PinName addrb[14:0]
PINATTR Polarity IN
LINE Wide 0 272 32 272
PIN 0 464  LEFT 36
PINATTR PinName clkb
PINATTR Polarity IN
LINE Normal 0 464 32 464
PIN 288 48  RIGHT 36
PINATTR PinName douta[7:0]
PINATTR Polarity OUT
LINE Wide 256 48 288 48
PIN 288 272  RIGHT 36
PINATTR PinName doutb[7:0]
PINATTR Polarity OUT
LINE Wide 256 272 288 272