Changes

Arithmetical and logical [https://en.wikipedia.org/wiki/Instruction_set instructions] work on the accumulator. Source operands are either implicit, content of scratchpad register, indirect addressed via [https://en.wikipedia.org/wiki/Increment_and_decrement_operators post-incremented] data counter (DC) register, or immediate <ref>[http://bitsavers.informatik.uni-stuttgart.de/pdf/fairchild/f8/F8_prelimUM_Jan75.pdf F8 Prelimanary Microprocessor User's Manual] (pdf) Circuit Organization, Machine Instructions, F8 Cross Assembler, F8 Cross Simulator, from [http://bitsavers.informatik.uni-stuttgart.de/ bitsavers.org]</ref> :

A answer back program in F8 [[Assembly]] as given by David Edwards, [https://en.wikipedia.org/wiki/Electronics_Australia Electronics Australia] <ref>David Edwards ('''1976'''). ''The Mostek F8''. [https://en.wikipedia.org/wiki/Electronics_Australia Electronics Australia], December, 1976, [http://messui.the-chronicles.org/comp/fairchild.pdf pdf]</ref> :