project64/Source/Glide64/inc/c32.mac

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; NASM macro set to make interfacing to 32-bit programs easier -*- nasm -*-
%imacro proc 1 ; begin a procedure definition
%push proc
global %1
%1: push ebp
mov ebp,esp
%assign %$arg 8
%define %$procname %1
%endmacro
%imacro arg 0-1 4 ; used with the argument name as a label
%00 equ %$arg
%assign %$arg %1+%$arg
%endmacro
%imacro endproc 0
%ifnctx proc
%error Mismatched `endproc'/`proc'
%else
leave
ret
__end_%$procname: ; useful for calculating function size
%pop
%endif
%endmacro