a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync bits 16

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync org 100h

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync jmp start

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsyncshuffle_start:

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync push 0xB800

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync pop es

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync mov cx, 80*24*2

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync mov ax, 'AA'

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync xor di, di

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync rep stosw

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync.lbl: jmp .lbl

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsyncshuffle_end:

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync nop

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsyncshuffle_len equ (shuffle_end - shuffle_start + 1)

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsyncstart:

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync ; calculate physical address of shuffled part

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync xor eax, eax

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync push ds

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync pop ax

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync shl eax, 4

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync add ax, shuffle_start

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync mov dword [source], eax

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync mov ax, 0012h

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync mov di, shuffle_descriptors

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync mov cx, num_shuffle_descriptors

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync mov ebp, 0x7c00

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync int 22h

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync int3

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsyncshuffle_descriptors:

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync dd 0x7C00

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsyncsource: dd 0

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync dd shuffle_len

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsyncnum_shuffle_descriptors equ 1

a734c64bff58bda2fa48c2795453e092167b0ff7vboxsync