2024-09-02 14:51:10 +00:00
|
|
|
%define VIDEO_MODE 1
|
|
|
|
|
|
|
|
|
|
section .data
|
|
|
|
|
global __VIDEO_MODE
|
|
|
|
|
__VIDEO_MODE: db VIDEO_MODE
|
|
|
|
|
|
|
|
|
|
|
2024-05-23 18:39:00 +00:00
|
|
|
section .multiboot_header
|
|
|
|
|
header_start:
|
|
|
|
|
dd 0xe85250d6 ; magic number (multiboot 2)
|
|
|
|
|
dd 0 ; architecture 0 (protected mode i386)
|
|
|
|
|
dd header_end - header_start ; header length
|
|
|
|
|
; checksum
|
|
|
|
|
dd 0x100000000 - (0xe85250d6 + 0 + (header_end - header_start))
|
|
|
|
|
|
|
|
|
|
; insert optional multiboot tags here
|
|
|
|
|
|
2024-09-02 14:51:10 +00:00
|
|
|
%if VIDEO_MODE
|
|
|
|
|
dw 5 ; type
|
|
|
|
|
dw 1 ; flags
|
|
|
|
|
dd 20 ; size
|
|
|
|
|
dd 0 ; width
|
|
|
|
|
dd 0 ; height
|
|
|
|
|
dd 24 ; depth
|
|
|
|
|
; grub 2 expects 8 byte alignment
|
|
|
|
|
dw 0 ; padding
|
|
|
|
|
dw 0 ; padding
|
|
|
|
|
%endif
|
2024-05-23 18:39:00 +00:00
|
|
|
dw 0 ; type
|
|
|
|
|
dw 0 ; flags
|
|
|
|
|
dd 8 ; size
|
|
|
|
|
header_end:
|
