CONVERSION FROM LOWER TO UPPERCASE IN 8086 PROGRAMMING

TITLE LOWER TO UPPERCASE .MODEL SMALL .STACK 64 .DATA MAXCHR DB 20 ACTCHR DB ? ACTSTR DB 20 DUP(?) RESULT DB 20 DUP(?) .CODE MAIN PROC FAR MOV AX,@DATA MOV DS,AX MOV DX,OFFSET MAXCHR MOV AH,0AH INT 21H LEA SI,ACTSTR LEA DI,RESULT MOV CX,0000H MOV BX,0000H LEA BX,ACTCHR MOV CX,[BX] L2: MOV AL,[SI] CMP AL,61H JB L1 CMP AL,7AH JA L1 SUB AL,20H L1: MOV [DI],AL INC SI INC DI LOOP L2 MOV DL,0AH MOV AH,02H INT 21H LEA DX,RESULT MOV AH,09H INT 21H MOV...

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CONVERSION FROM UPPER TO LOWERCASE IN 8086 PROGRAMMING

TITLE UPPER TO LOWER CASE .MODEL SMALL .STACK 64 .DATA MAXCHR DB 20 ACTCHR DB ? ACTSTR DB 20 DUP(?) RESULT DB 20 DUP('$') .CODE MAIN PROC FAR MOV AX,@DATA MOV DS,AX MOV DX,OFFSET MAXCHR MOV AH,0AH INT 21H LEA SI,ACTSTR LEA DI,RESULT MOV CX,0000H MOV BX,0000H LEA BX,ACTCHR MOV CX,[BX] L2: MOV AL,[SI] CMP AL,41H JB L1 CMP AL,5AH JA L1 ADD AL,20H L1: MOV [DI],AL INC SI INC DI LOOP L2 MOV DL,0AH MOV AH,02H INT 21H LEA DX,RESULT MOV AH,09H INT 21H MOV...

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