ASCII2Binary - Revision history

Mkwiki at 18:22, 16 October 2023

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Mkwiki at 18:11, 16 October 2023

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Mkwiki: Created page with "; Program to convert ASCII character to Binary equivalent

 1. Define the model and architecture for the assembly code .model SMALL .stack 100H

2. Define your dat..."

2023-10-16T18:10:09Z

Created page with "; Program to convert ASCII character to Binary equivalent <pre> 1. Define the model and architecture for the assembly code .model SMALL .stack 100H </pre> 2. Define your dat..."

New page

; Program to convert ASCII character to Binary equivalent
<pre>
1. Define the model and architecture for the assembly code
.model SMALL
.stack 100H
</pre>

2. Define your data in the data section ( here you can define various data items: '''variables, constants, strings, arrays''')
<pre>
.data
inputStr db 10,13, 'Enter an ASCII Character: $'
outputStr db 10,13, 'Binary equivalent is : $'
</pre>

3. Define your instruction in the code section (here you write the assembly instructions that perform computations, control program flow, and interact with data variables and memory)
<pre>
; print the input string

MOV DX, OFFSET inputStr
MOV AH, 09H
INT 21H

;read a character from the standard input

MOV AH, 01H
INT 21H

;at this point whatever character is entered by the user, its binary equivalent(8-bits) of the ASCII code is stored in AL

MOV BL,AL ; binary equivalent of ASCII character is moved to BL

; print the output string
MOV DX, OFFSET inputStr
MOV AH, 09H
INT 21H

; Now left shift the bits, to extract the MSB and print it (repeat the shifting and extracting until every bit is printed)

MOV CX, 8

repeat8Times:
SHL BL, 1
JC printOne ; Jump if carry generated

MOV DL, 30H ; ASCCI code for '0' is 30H, which is 48 in decimal
JMP print

printOne:
MOV DL, 31H

print:
MOV AH, 02H
INT 21H
LOOP repeat8Times

; exit from the program
MOV AH, 4CH
INT 21H

END

</pre>

@@ Line 1: / Line 1: @@
 '''<pre>
-; Program to convert ASCII character to Binary equivalent'''
+; Program to convert ASCII character to Binary equivalent
 </pre>'''
 . Define the model and architecture for the assembly code

@@ Line 34: / Line 34: @@
-	MOV BL,AL    ; binary equivalent of ASCII character is moved to BL
+	MOV BL, AL    ; binary equivalent of ASCII character is moved to BL
@@ Line 66: / Line 66: @@
 END
 </pre>

@@ Line 1: / Line 1: @@
-<pre>
+'''<pre>
-'''; Program to convert ASCII character to Binary equivalent'''
+; Program to convert ASCII character to Binary equivalent'''
-</pre>
+</pre>'''
 . Define the model and architecture for the assembly code
 <pre>

@@ Line 36: / Line 36: @@
 	; print the output string
-	MOV DX, OFFSET inputStr
+	MOV DX, OFFSET outputStr
 	MOV AH, 09H
 	INT 21H

@@ Line 20: / Line 20: @@
 .startup
          ; print the input string
 	MOV DX, OFFSET inputStr
 	MOV AH, 09H
 	INT 21H
 	;read a character from the standard input
 	MOV AH, 01H
 	INT 21H