Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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The compare instructions are similar to arithmetic and logic instructions,
except that the result is not stored in the destination operand. Like
arithmetic instructions, these instructions set processor flags and can
set up a test for a subsequent conditional jump.
 
Mnemonic      Name
CMP           Compare (same as SUB but result is ignored)
CMPS          Compare String
TEST          Logical Compare (same as AND but result is ignored)
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