[org 0]
[bits 16]
jmp 0x07C0:start
start:
mov ax,cs
mov ds,ax
mov ax,0xB800
mov es,ax
mov di,0
mov ax,word[msgBack]
mov cx,0x7FF
paint:
mov word[es:di],ax
add di,2
dec cx
jnz paint
mov edi,0
mov byte[es:edi],'A'
inc edi
mov byte[es:edi],0x06
inc edi
mov byte[es:edi],'B'
inc edi
mov byte[es:edi],0x06
inc edi
mov byte[es:edi],'C'
inc edi
mov byte[es:edi],0x06
inc edi
mov byte[es:edi],'1'
inc edi
mov byte[es:edi],0x06
inc edi
mov byte[es:edi],'2'
inc edi
mov byte[es:edi],0x06
inc edi
mov byte[es:edi],'3'
inc edi
mov byte[es:edi],0x06
jmp $
msgBack db '.',0xE7
times 510-($-$$)db 0
dw 0xAA55