Using an 8051/8052 microcontroller to decode a 4x4 matrix keypad

I want to know how to use a lookup table to decode a 4x4 matrix keypad e.g a Grayhill 96 series keypad in 8051/52 assembly language.Please, may you send me example assembly code used in this decoding...
Using an 8051/8052 microcontroller to decode a 4x4 matrix keypad

I want to know how to use a lookup table to decode a 4x4 matrix keypad e.g a Grayhill 96 series keypad in 8051/52 assembly language.Please, may you send me example assembly code used in this decoding...
C code for 32 bit ir decoder

hi every one, i was made rc5,sony decoder to decode many out for drive relay But no sucsess in 32bit hitachi Nec or many other remotes help to build decoder in C or C++ or any ic to decode 32 bit...
C code for 32 bit ir decoder

hi every one, i was made rc5,sony decoder to decode many out for drive relay But no sucsess in 32bit hitachi Nec or many other remotes help to build decoder in C or C++ or any ic to decode 32 bit...
Interface a GSM Modem and 8051 and retrieve decoded SMS

Hi everyone, Is there any way in which I can interface a GSM modem with a 8051 and retrieve the decoded SMS. The motivation behind this is that... even if i can get the encoded SMS from the GSM modeme...