ibis-os/main.asm

; Bootloader
%include "boot.asm"


section KERNEL follows=BOOTSECTOR vstart=1000h

%macro mod 2
    push ax
    push cx
    
    mov cx, %2
    xor dx, dx
    mov ax, %1
    div cx

    pop cx
    pop ax
%endmacro

main:
    mov ax, 0x0013
    int 0x10

    push es
    push 0xa000
    pop es

    mov di, 0

    mov bx, 0
    .r:
        add bx, 1
        .f:
            mov byte [es:di], bl
            add di, 1
            mod di, 320
            cmp dx, 0
            jnz .f
        cmp bx, 200
        jnz .r

    pop es

jmp $ ; Halt
    
; Libs
%include "print_util.asm"
%include "time_util.asm"
    
; Data
HELLO_WORLD:
    db 'Hello, world! :D', 0