You're right. Once upon a time I took a C class some 15 years ago, unfortunatly I don't remember much of it and it was for PC. For a few years now I've been tempted to pick it up again for my 8052 stuff. It just seems so much more complicated to get the desired results than from assembler.

The whole idea of using SDCC (for me) is that it's free, so likewise I'm not going to go out and buy a book to learn it, I'm using internet resources for that. I have several references for C, but most use Keil code.




So if I do:

#define SW1 P_4;

Then later in a proceedure or function I can do:

Sw1 = 1;      // turn on port
delay(20);    // delay
SW1 = 0;      // turn off port

But this doesn't work.

Jon