blob: 81a9c5e2925ecf2926dca167ae24c15cdcd4dad9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
; NASM macro set to make interfacing to 16-bit programs easier -*- nasm -*-
%imacro proc 1 ; begin a procedure definition
%push proc
global %1
%1: push bp
mov bp,sp
%ifdef FARCODE PASCAL ; arguments may start at bp+4 or bp+6
%assign %$arg 6
%define %$firstarg 6
%else
%assign %$arg 4
%define %$firstarg 4
%endif
%define %$procname %1
%endmacro
%imacro arg 0-1 2 ; used with the argument name as a label
%00 equ %$arg
; we could possibly be adding some
; debug information at this point...?
%assign %$arg %1+%$arg
%endmacro
%imacro endproc 0
%ifnctx proc
%error Mismatched `endproc'/`proc'
%else
mov sp,bp
pop bp
%ifdef PASCAL
retf %$arg - %$firstarg
%elifdef FARCODE
retf
%else
retn
%endif
__end_%$procname: ; useful for calculating function size
%pop
%endif
%endmacro
|
