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As a part of an "In application programming" I am using the following assembler code:
#pragma asm MOV R0,#14 //OSC frec MOV R1,#02H //PROGRAM DATA BYTE #pragma endasm
Thanks for you reply Stefan. Yes I think I will keep using assembler for IAP. About the derivative, I am using the P89C51RD2. I rather be using Atmel (AT89C51RD2) but it is out of stock in most of the distributors. The reason I prefer Atmel over Philips is that API calls are more flexible in Atmel. Again, thanks. Juan Baez