minix/lib/i86/em/em_dup.s
2009-11-09 10:26:00 +00:00

17 lines
177 B
ArmAsm

.define .dup
! #bytes in cx
.text
.dup:
pop bx ! return address
mov ax,si
mov dx,di
mov si,sp
sub sp,cx
mov di,sp
sar cx,#1
rep
mov
mov si,ax
mov di,dx
jmp (bx)