Answer to Question #3081 in Assembler for Saeed
Question #3081
Hi , I wrote this assembly code in TASM but when "CL=11" output is "0;" .
What is wrong in this code??? (And sorry for my bad english (((((-: )
MOV AL,CL
MOV AH,0
I DB 10
DIV I
MOV BL,AL
MOV BH,AH
ADD BL,48
ADD BH,48
MOV AH,02
MOV DL,BH
INT 21H
MOV DL,BL
INT 21H
What is wrong in this code??? (And sorry for my bad english (((((-: )
MOV AL,CL
MOV AH,0
I DB 10
DIV I
MOV BL,AL
MOV BH,AH
ADD BL,48
ADD BH,48
MOV AH,02
MOV DL,BH
INT 21H
MOV DL,BL
INT 21H
Expert's answer
MOV AL,CL
MOV AH,0 ;xor ah, ah looks much better
JMP DEF ;!!!!!!!!!!!!!!!!!!!!!
I DB 10 ;Later this memory was read and understood as operation. now it is data.
DEF: ;!!!!!!!!!!!!!!!!!
DIV I
MOV BL,AL
MOV BH,AH
ADD BL,48
ADD BH,48
;in this case number is reversed
MOV AH,02
MOV DL,BH ;change bh on BL
INT 21H
MOV DL,BL ;change bl on BH
INT 21H
MOV AH,0 ;xor ah, ah looks much better
JMP DEF ;!!!!!!!!!!!!!!!!!!!!!
I DB 10 ;Later this memory was read and understood as operation. now it is data.
DEF: ;!!!!!!!!!!!!!!!!!
DIV I
MOV BL,AL
MOV BH,AH
ADD BL,48
ADD BH,48
;in this case number is reversed
MOV AH,02
MOV DL,BH ;change bh on BL
INT 21H
MOV DL,BL ;change bl on BH
INT 21H
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