include \masm32\include64\masm64rt.inc
.data
s1 dq 32
.code
entry_point proc
mov rbx,1 ;初始化寄存器rbx
lal1:
imul rbx,2
conout "s=",str$(rbx),";",tab
sub s1,1
conout "s1=",str$(s1),";",tab
cmp s1,0
jg lal1
;.if s1{}0
; jmp lal1
;.endif
conout lf
waitkey
.exit
entry_point endp
end