http://www.8051projects.net/ Learn to make simple microcontroller projects, pic, 8051, avr and arm projects. download 8051 projects, tutorials, libraries, sample codes. join the microcontroller discussion forum and ask doubts regarding electronics. the best source for 8051 over internet. en-gb 2008-12-01T23:09:59-08:00 contact@nospam.com hourly 1 2000-01-01T12:00+00:00 http://www.8051projects.net/forum-t10191.html 2008-12-01T23:09:59-08:00 i have just started to learn micro C compiler----------i need some helpwe can define a pin in kiel vision easilysbit ab=P1^0;problem is that h i can implement this thing in mickro C http://www.8051projects.net/forum-t10191.html 2008-12-01T23:09:59-08:00 Ajay you cant do that in micro C as i said.. i have not used MicroC yet.. but if you give me little time i can explain it in CCS compiler you can define pins as..CODE:#define Some_Pin PORT_B4
  http://www.8051projects.net/forum-t10191.html 2008-12-01T23:09:59-08:00 sashijoseph @nadeem malikthink you'll need bit masks for port bit-access.Like (P1 & 0x01) for P1.0(P2 & 0x08) for P2.3etc. http://www.8051projects.net/forum-t10191.html 2008-12-01T23:09:59-08:00 Ajay ANDing for clearing a bit and ORing for setting a bit is a common practice and applicable for every controller in world http://www.8051projects.net/forum-t10191.html 2008-12-01T23:09:59-08:00 Colin Mac You can do this in mikroC#define mypin PORTB.F4