proteus simulation for keypad with 8051
File list:
KEYPAD
.....\funclist
.....\keypad.c
.....\keypad.cof
.....\keypad.dep
.....\keypad.hex
.....\keypad.hxl
.....\keypad.lst
.....\keypad.map
.....\keypad.mcp
.....\keypad.mcs
.....\keypad.mcw
.....\keypad.obj
.....\keypad.p1
.....\keypad.pre
.....\keypad.rlf
.....\keypad.sdb
.....\keypad.sym
.....\Last Loaded lcd.DBK
.....\lcd.DSN
.....\lcd.PWI
.....\lcd.SDF