ack/mach/i86/libem/sar2.s
1985-02-17 00:57:20 +00:00

23 lines
325 B
ArmAsm

.define .sar2
.sar2:
! $Header$
pop bx ! return address
! si, descriptor address
! ax, index
! di, base address
sub ax,(si)
mov cx,4(si)
imul cx
add di,ax
sar cx,1
jnb 1f
pop ax
stosb
jmp bx
1:
mov si,sp
rep movs
mov sp,si
jmp bx