In a 20-character feed, count the number of a characters A.
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Nov 5, 2021, 12:58:41 PM via Website
Nov 5, 2021 12:58:41 PM via Website
assume ds:data,cs:code,ss:stack
data segment
str db 'AbBTo09A1ACAHjsjidsa','$'
count db 0
data ends
stact segment para stack
buffer db 128 dup(0)
stact ends
code segment
start:
mov ax,data
mov ds,ax
mov cl,0
lea si,str
lp1:
mov al,[si]
cmp al,'A'
jz sum
cmp al,'$'
jz exit
inc si
jmp lp1
sum:
inc cl
inc si
jmp lp1
exit:
mov count,cl
mov ah,4ch
int 21h
code ends
end start
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