ack/plat/msdos386/libsys/sys_exists.s

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#
! $Source$
! $State$
! $Revision$
! Declare segments (the order is important).
.sect .text
.sect .rom
.sect .data
.sect .bss
.sect .text
! Say whether a file exists with the given name.
.define __sys_exists
__sys_exists:
mov ebx, esp
mov edx, 4(ebx)
mov eax, 0x4300
int 0x21
sbb eax, eax
inc eax
ret