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Built-in Assembler Entry and Exit CodeLanguage:
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Built-in Assembler Entry and Exit Code
The automatically-generated entry and exit code for an assembler procedure or function looks like this:
PUSH BP ;Present if Locals <> 0 or Params <> 0
MOV BP,SP ;Present if Locals <> 0 or Params <> 0
SUB SP,Locals ;Present if Locals <> 0
MOV SP,BP ;Present if Locals <> 0
POP BP ;Present if Locals <> 0 or Params <> 0
RET Params ;Always present
where
- Locals is the size of the local variables
- Params is the size of the parameters
If both Locals and Params are 0, there is no entry code, and the exit code consists simply of a RET instruction.
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