mov ah,01h
int 21h
我知道这是你输入一位数字或字符的方式,但我怎样才能输入数字38。 谢谢
答案 0 :(得分:1)
这应该适合你:
.model small
.data
.code
mov ax, @data
mov ds, ax
mov dl, 10
mov bl, 0
scanNum:
mov ah, 01h
int 21h
cmp al, 13 ; Check if user pressed ENTER KEY
je exit
mov ah, 0
sub al, 48 ; ASCII to DECIMAL
mov cl, al
mov al, bl ; Store the previous value in AL
mul dl ; multiply the previous value with 10
add al, cl ; previous value + new value ( after previous value is multiplyed with 10 )
mov bl, al
jmp scanNum
exit:
mov ah, 04ch
int 21h
end
答案 1 :(得分:-1)
.model small
.stack 100h
.data
.code
main proc
mov ah, 1
int 21h
mov bl,al
mov al, 1
int 21h
add bl,al
sub bl, 48
mov dl,bl
mov ah, 2
int 21h
mov ah, 4ch
int 21h
main endp
end main
答案 2 :(得分:-2)
library(magrittr)
melt.data.frame(ChickWeight, measure.vars = 'weight', na.rm=TRUE) %>%
dplyr::filter(Diet %in% c(1, 4) & Time == 21)