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Thread: 18Fxxxx Instructions
www.piclist.com/techref/microchip/devices.htm?key=18F
picon face BY : Anthony Nixon email (remove spam text)



Hi all,

It's been a long time since asking a question here :-)

I've started to use a 18F47K40 chip for a project and I'm still using
assembler for it.

In the other PIC families you could omit the destination bit (F) from
an instruction as the assembler sets it as default.

I gather this is not the case for 18F series when you can have a
destination and RAM access bit

Eg.  ADDWF MyReg,W,A

Do all instructions have to be fully written in this way?

I am porting a 16F application to 18F because I need the extra ROM
space. If this is the case then I will have to rewrite and qualify
every instruction.

cheers

Tony
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