First attempt at a master boot record.

mbr_try1.asm

[bits 16]
[org 0x7C00]

start:
	cli
	xor si,si
	mov ss,si
	mov sp,0x7DBE
	popa
	mov es,si
	mov ax,0x201
	int 0x13
	jmp 0x0:0x7E00
        times 0x1BC - ($-$$) db 0
        
mbr:
        dw 0x7E00
        dw 0x0180
        dw 0x0001
        dw 0x7F0B
        dw 0xFDBF
        dw 0x003F
        dw 0x0000
        dw 0x40C1
        dw 0x005E
        times 0x1FE - ($-$$) db 0
        
sig:
        dw 0xAA55