blob: d24bbfebdcd49350e87f3674ec7b76767843ff89 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; stage 1
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
[bits 16]
[org 0x7c00]
jmp stage1
STR_1:
db "Starting Fool Loader Stage 1. v0.1",0
STR_2:
db "Starting Stage 2",0
BOOT_DRIVE:
db 0xff ; remember the bootdrive here
%include "boot/print_string_16.asm"
%include "boot0/disk_load_16.asm"
stage1:
;first of allsetup the stack (Right under mbr)
;guaranteed ~30KB space
mov bp,0x07bff
mov sp,bp
;remember BOOT_DRIVE (as was set by BIOS)
mov [BOOT_DRIVE],dl
mov bx, STR_1
call print_string
call print_nextline
call disk_load_16 ; loads stage 2
mov bx, STR_2
call print_string
call print_nextline
jmp 0x7e00 ; jump to next sector where we put stage 2
;fill partition table (4x16byte) with zeroes.
;(otherwise my Acer Aspire will not boot)
times 64 db 0x0
;so we get identified as MBR
times 510-($-$$) db 0x0
;dw 0x0
dw 0xaa55
|