
一个汇编程序 6.设有10个学生的成绩分别是76,69,84,90,73,88,99,63,100
一个汇编程序6.设有10个学生的成绩分别是76,69,84,90,73,88,99,63,100和80分。试编制一个子程序统计60—69分,70—79分,80—89分,9...
一个汇编程序
6.设有10个学生的成绩分别是76,69,84,90,73,88,99,63,100和80分。试编制一个子程序统计60—69分,70—79分,80—89分,90—99分和100分的人数并分别存放到S6,S7,S8,S9,S10单元中并输出。 展开
6.设有10个学生的成绩分别是76,69,84,90,73,88,99,63,100和80分。试编制一个子程序统计60—69分,70—79分,80—89分,90—99分和100分的人数并分别存放到S6,S7,S8,S9,S10单元中并输出。 展开
1个回答
2014-05-25
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dataseg segment
but db 0DH,0AH,'the result $'
grade dw 76,69,84,90,73,88,99,63,100,80
s6 db 0
s7 db 0
s8 db 0
s9 db 0
s10 db 0
dataseg ends
cseg segment
main proc far
assume cs:cseg,ds:dataseg
start:
push ds
sub ax,ax
push ax
mov ax,dataseg
mov ds,ax
mov cx,10
call count
call disp
mov ah,1
int 21h
ret
main endp
count proc near
mov si,0
next:mov ax,grade[si]
mov bl,10
div bl
mov bl,al
mov bh,0
sub bx,6
cmp bx,0
jae next1
next1:
inc s6[bx]
add si,2
loop next
ret
count endp
disp proc near
lea si,s6
mov cx,5
loop1:
mov dx,OFFSET but
mov ah,9
int 21h
mov dl,[si]
add dl,30h
mov ah,2
int 21h
inc si
loop loop1
ret
disp endp
mov ah,4ch
int 21h
cseg ends
end start
but db 0DH,0AH,'the result $'
grade dw 76,69,84,90,73,88,99,63,100,80
s6 db 0
s7 db 0
s8 db 0
s9 db 0
s10 db 0
dataseg ends
cseg segment
main proc far
assume cs:cseg,ds:dataseg
start:
push ds
sub ax,ax
push ax
mov ax,dataseg
mov ds,ax
mov cx,10
call count
call disp
mov ah,1
int 21h
ret
main endp
count proc near
mov si,0
next:mov ax,grade[si]
mov bl,10
div bl
mov bl,al
mov bh,0
sub bx,6
cmp bx,0
jae next1
next1:
inc s6[bx]
add si,2
loop next
ret
count endp
disp proc near
lea si,s6
mov cx,5
loop1:
mov dx,OFFSET but
mov ah,9
int 21h
mov dl,[si]
add dl,30h
mov ah,2
int 21h
inc si
loop loop1
ret
disp endp
mov ah,4ch
int 21h
cseg ends
end start
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