bloodPressure.asm

; assembly is awesome
printstring macro msg
    
    mov ah, 09h
    mov dx, offset msg
    int 21h
    
endm

readnum macro num
    
    push ax
    push dx
    
    mov ah,01h
    int 21h
    sub al,'0'
    
    mov bh,100
    mul bh
    
    mov ah,00h
    mov num,ax
    
    mov ah,01h
    int 21h
    sub al,'0'
    
    mov bh,10
    mul bh
    
    mov ah,00h
    add num,ax
    
    mov ah,01h
    int 21h
    sub al,'0'
              
    mov ah,00h          
    add num,ax
    
    pop dx
    pop ax
    
endm 

   
data segment
    
    cr equ 0dh
    lf equ 0ah
    arrow equ 0AFh
    
    msg0 db '            ************ BLOOD PRESSURE MONITOR ***********',cr,lf,cr,lf,'$'
    msg1 db 'Please enter sensor input for Systolic pressure(mmHg):','$'
    msg2 db cr,lf,'Please enter sensor input for Diastolic pressure(mmHg):','$'
    msg3 db cr,lf,'Normal systolic pressure ',02h,'$'
    msg4 db cr,lf,'High systolic pressure ',018h,'$'
    msg5 db cr,lf,'Low systolic pressure ', 019h,'$' 
    msg6 db cr,lf,'Normal diastolic pressure ',02h,'$'
    msg7 db cr,lf,'High diastolic pressure ',018h,'$'
    msg8 db cr,lf,'Low diastolic pressure ',019h,'$'
    msg9 db cr,lf,'$'
    msg10 db arrow,'$'
    msg11 db cr,lf,'Pre-high systolic blood pressure!','$' 
     
    systolic dw ?
    diastolic dw ?
 
data ends

code segment
     assume cs:code, ds:data
    
start: mov ax, data
       mov ds, ax 
       printstring msg0
       
       printstring msg1
       readnum systolic
         
       printstring msg2
       readnum diastolic
        
       printstring msg9
       printstring msg9
        
       mov cx,80
parrow:       
       printstring msg10 
       loop parrow
       

;for systolic
       
       cmp systolic,120  
       jg phighpressure    
       jle low           

phighpressure:
       cmp systolic,140
       jle plhighpressure
       jg highpressure
       
plhighpressure:
       printstring msg11
       jmp exit1
                           
highpressure:
       printstring msg4
       jmp exit1
                   
low:
       cmp systolic,90
       jge normal
       jl  lowpressure
       
lowpressure:
       printstring msg5
       jmp exit1
       
normal:
       printstring msg3
       jmp exit1
       

;for diastolic

exit1:
       cmp diastolic,80
       jg highpressured
       jle lowd 
       
highpressured:
       printstring msg7
       jmp exit

lowd:
       cmp diastolic,60
       jge normald
       jl  lowpressured
       
lowpressured:
       printstring msg8
       jmp exit
       
normald:
       printstring msg6
       jmp exit                   
          
exit:
       mov ah, 4ch
       mov al, 00h
       int 21h
       

code ends
     end start