diff --git a/bootsect.asm b/bootsect.asm index cbb3122..e8e376f 100644 --- a/bootsect.asm +++ b/bootsect.asm @@ -67,6 +67,28 @@ _start: ; Save bootdrive mov [drivenumber], dl +select_os: + mov ah, 0xe + mov si, prompt + .print: + lodsb + test al, al + jz .end + int 0x10 + jmp .print + .end: + + xor ax, ax + int 0x16 + + cmp al, 'e' + jne calc_constants + + mov si, ettinos_kernel_name + mov di, kernel_name + mov cx, 11 + rep movsb + calc_constants: ; Disk organization: ; Reserved sectors (MBR) @@ -310,9 +332,9 @@ chs: pop ax ret -%include "hexprint.inc" - +prompt: db "Select OS. 'e' for EttinOS, any other key Nor86.", 0 kernel_name: db "KERNEL BIN" +ettinos_kernel_name: db "SYSTEM BIN" times 510-($-$$) db 0 db 0x55, 0xaa