4 KERNEL_OFFSET equ 1000h
61 jmp CODE_SEG:protected
105 pm_success db "Now in protected mode", 0
106 video_memory equ 0B8000h
127 dw gdt_end - gdt_start - 1
129 CODE_SEG equ code_seg - gdt_start
130 DATA_SEG equ data_seg - gdt_start
134 times 510-($-$$) db 0