Question

Draw a 4x5 board (table) using ASSEMBLY LANGUAGE on DOSBOX preferably.

DO NOT be able to play the game, just need the board to play on.

1012 15 13 14

Answer 1

board db 1,2,3,4

db 5,6,7,8

db 9,10,11,12

db 15,13,0,14

data Ends

code Segment

Assume CS:code,DS:data

start:

mov ax,data

mov ds,ax

lea si,board

l1:

mov al,[si]

cmp al,'$' ;stop when end of array

jz EN

cmp al,0 ;find blank space

jz l6

inc si

jmp l1

l6:

mov cx,04

l2:

inc al

call check ;check for validity of number

jc l3

jnc l4

l3:

mov [si],al ;move to next number

push ax

dec cx

push cx

mov bx,si

push bx

inc si

jmp l1

l4: ;check for next number if not possible then

;bactrack

cmp cx,1

jz l5

loop l2

l5:

mov ah,0

mov [si],ah

lh:

pop bx

lea si,board

add si,bx

pop cx

pop ax

cmp cx,00

jz lx

jnz l2

lx:

mov ah,0

mov [si],ah

jmp lh

EN: ;printing the board

mov cx,16

lea si,board

ll:

mov al,[si]

add al,48

mov [si],al

inc si

loop ll

lea si,board

l22:

mov cx,04

op:

mov al,[si]

mov [di],al

inc si

inc di

loop op

mov al,[di]

inc di

cmp al,'$'

jnz l22

int 21h

hlt