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- [org 0x7c00]
- mov bp, 0x8000 ; set the stack safely away from us
- mov sp, bp
- mov bx, 0x9000 ; es:bx = 0x0000:0x9000 = 0x09000
- mov dh, 2 ; read 2 sectors
- ; the bios sets 'dl' for our boot disk number
- ; if you have trouble, use the '-fda' flag: 'qemu -fda file.bin'
- call disk_load
- mov dx, [0x9000] ; retrieve the 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 "../05-bootsector-functions-strings/boot_sect_print.asm"
- %include "../05-bootsector-functions-strings/boot_sect_print_hex.asm"
- %include "boot_sect_disk.asm"
- ; Magic number
- times 510 - ($-$$) db 0
- dw 0xaa55
- ; boot sector = sector 1 of cyl 0 of head 0 of hdd 0
- ; from now on = sector 2 ...
- times 256 dw 0xdada ; sector 2 = 512 bytes
- times 256 dw 0xface ; sector 3 = 512 bytes
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