Need to program 8051 in Assembly language

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vamshikrishnam

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program based on 8051 assembly language

hi iam a novice in microcontroller programming. Can any one help me out how to
start programming one. I used to program it using C language but want to learn the assembly level coding....
i require the following details
1. how to declare a port pin example P1.1
2. What are the segments like code, data etc

please help me out please
 

port - assembly language program in 8051

This should help.
 

status of microcontroller 8051in 2009

Thankyou... iam getting an error when i use the following statement

SETB P1.1

error is "Undefined Symbol (PASS -2) P1.1

I am using Ride software
 

Re: program based on 8051 assembly language

in c
delare sbit P1.1 after include 51 header file.
in asm
simply setb p1.1
for logic 1 and clr p1.1 for 0

---------- Post added at 07:06 ---------- Previous post was at 07:04 ----------

use keil software instead
 

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