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

34 lines
406 B
ArmAsm

.define .rol
! $Header$
! #bytes in ax
.rol:
pop dx ! return address
cmp ax,2
jne 1f
pop ax
pop cx
rol ax,cl
push ax
jmp dx
1:
cmp ax,4
jne 9f
pop cx
jcxz 2f
pop ax
pop bx
3:
sal ax,1
rcl bx,1
adc ax,0
loop 3b
push bx
push ax
2:
jmp dx
9:
mov ax,EODDZ
push ax
jmp .trp