In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJMonty wrote:

BPM,

Yes, it tends to be completely dfifferent in terms of detailed specifics such as syntax and opcode names.  It tends to be completely the same in terms of having the same types of core instructions and operations.  To put it a little better, it's sort of like asking if a book written in Spanish can be read by someone who only speaks English.  They're bboth languages, they have words, grammar, etc, share a (mostly) common alphabet, and so on.  However, you wouldn't expect someone who only speaks English to read a book written in Spanish, right?  Same thing for assembly languages.  

That's why folks use compiled languages for lots of things.  The compiler is the trnaslator that takes a common language (C, BASIC, Fortran, etc) and converts it to the actual assembly language that a particular chip speaks.  Long story short?  you'll never get a assembly code from a completely different chip  (in your case an 8051 variant) to assemble on another chip.  You can cross convert it, but it's a lot of work and you'll need a combination of good comments in the original source (so you know what it's trying to accomplish) coupled with a good understanding of that source assembly language to perfrom the conversion.

[list]Thanks,
PeterM[/list]

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