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Assembly languages in general, of any architecture. Use with the particular processor’s tag as appropriate.

3 votes

How was the first assembler for a new home computer platform written?

Well Here is how I did it, and occasionally still do. In my day it was the system hardware guys who created the 1st code. We needed it to test and fix the hardware. At this point (1978) the big advan …
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120 votes
Accepted

Why would a NES game use an undocumented 1-byte or 2-byte NOP in production?

One use is as a copyright mechanism. Many distributors would steal/copy programs and sell pirate or derivative copies, by changing the text strings inside the code and reordering the blocks, it was ha …
LOIS 16192's user avatar
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