50.asm
lima21bd_Heaven-of-Assembly/50.asm
.model small
.stack 100h 

.data 
a db 'UPPER FORM: $'
b db 10, 13, 'lower form: $'

.code

main proc  
    
    mov ax , @data
    mov ds , ax 
    
    mov ah , 9
    lea dx , a
    int 21h
               
    mov ah , 1
    int 21h
    mov bl , al 
    
    
    mov ah , 9
    lea dx , b
    int 21h
    
    add bl , 32  
    
    mov ah , 2
    mov dl , bl
    int 21h
    
    exit:
    
    mov ah , 4ch
    int 21h
    main endp

end main
    
    
