%include "ponydos.inc"

cpu 8086
bits 16


org 0

process_event:
	push ax
	push bx
	push cx
	push dx
	push si
	push di
	push bp
	push ds
	push es

	mov bp, cs
	mov ds, bp
	mov es, bp

	cmp ax, WM_INITIALIZE
	jne .not_initialize
	call initialize
	.not_initialize:

	pop es
	pop ds
	pop bp
	pop di
	pop si
	pop dx
	pop cx
	pop bx
	pop ax
	retf

initialize:
	; Set wallpaper
	mov si, wallpaper_name
	call PONYDOS_SEG:SYS_OPEN_FILE

	mov bp, PONYDOS_SEG
	mov es, bp
	mov bx, GLOBAL_WALLPAPER
	call PONYDOS_SEG:SYS_READ_SECTORS

	ret

wallpaper_name db 'wallpaper.bin', 0