12-4.so

利用CUPL语言编写的12-4编码键盘 利用GAL器件实现编码,可以不用扫描键盘 大大节省了CPU时间

CSIM(WM): CUPL Simulation Program
Version 5.0a Serial# 
Copyright (c) 1983, 1998 Logical Devices, Inc.
CREATED Tue Aug 08 17:27:07 2006

LISTING FOR SIMULATION FILE: 12-4.si

   1: Name     12-4coder;
   2: PartNo   XXXXX;
   3: Date     XX/XX/XX;
   4: Revision XX;
   5: Designer huangchayong;
   6: Company  jxnu;
   7: Assembly None;
                   ^
[0025sa] Please note: inconsistent header information

   8: Location XXXXX;
   9: Device   g16v8;
  10: 
  11: 
  12: ORDER: a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, pin_18, pin_19, y0, y1, y2, y3; 
  13: 
  14: 

===========================
                  pp       
                  ii       
                  nn       
                aa__       
      aaaaaaaaaa1111yyyy   
      012345678901890123   
===========================
0001: 011111111111LHHLLL
0002: 101111111111LHLHLL
0003: 110111111111LHHHLL
0004: 111011111111LHLLHL
0005: 111101111111LHHLHL
0006: 111110111111LHLHHL
0007: 111111011111LHHHHL
0008: 111111101111LHLLLH
0009: 111111110111LHHLLH
0010: 111111111011LHLHLH
0011: 111111111101LHHHLH
0012: 111111111110LHLLHH