28 lines
568 B
NASM
28 lines
568 B
NASM
|
[org 0x7c00]
|
||
|
|
mov bp, 0x8000 ; set stack somewhere far away
|
||
|
|
mov sp, bp
|
||
|
|
|
||
|
|
mov bx, 0x9000 ; es:bx = 0x0000:0x9000 = 0x09000
|
||
|
|
mov dh, 2 ; read 2 sectors
|
||
|
|
; bios sets dl for disk number
|
||
|
|
call disk_load
|
||
|
|
|
||
|
|
mov dx, [0x9000] ; get first loaded word, 0xdada
|
||
|
|
call print_hex
|
||
|
|
call print_nl
|
||
|
|
|
||
|
|
mov dx, [0x9000 + 512] ; first word from second loaded sector, 0xface
|
||
|
|
call print_hex
|
||
|
|
|
||
|
|
jmp $
|
||
|
|
|
||
|
|
%include "print.asm"
|
||
|
|
%include "print_hex.asm"
|
||
|
|
%include "disk.asm"
|
||
|
|
|
||
|
|
times 510 - ($-$$) db 0
|
||
|
|
dw 0xaa55
|
||
|
|
|
||
|
|
; boot sector passed, now its sector 2
|
||
|
|
times 256 dw 0xdada ; sector 2
|
||
|
|
times 256 dw 0xface ; sector 3
|