ack/mach/i86/libem/exg.s
1985-02-07 15:33:13 +00:00

21 lines
293 B
ArmAsm

.define .exg
! $Header$
! #bytes in cx
.exg:
pop bx ! return address
mov dx,cx
mov si,sp
sub sp,cx
mov di,sp
rep movs
mov si,sp
mov di,sp
add di,dx
add di,dx
mov cx,dx
sar cx,1
rep movs
mov sp,si
jmp bx