game_pong:
	pusha
	call os_set_graphics_mode
	jmp .draw_player_1
	jmp .draw_player_2
	jmp .detect_inputi
.draw_player_1:
	; X coords
	mov ax, [p1_x]
	mov [x_start], ax
	mov [x_end], ax

	; Y coords
	mov bx, [p1_y]
	mov [y_start], bx
	add bx, [bat_height] ; Add the bat height to the y coord
	mov [y_end], b
	call os_draw_graphical_rectangle
	ret
.draw_player_2:
	; X coords
	mov ax, [p2_x]
	mov [x_start], ax
	mov [x_end], ax

	; Y coords
	mov bx, [p2_y]
	mov [y_start], bx
	add bx, [bat_height] ; Add the bat height to the y coord
	mov [y_end], bx

	call os_draw_graphical_rectangle
	ret
.detect_input:
	call os_read_input
	; Exit if backspace is pressed
	cmp al, 08h
	je .finish
	; Go up when you press 'w'
	cmp al, 77h
	je .p1_up
	; Go up when you press 's'
	cmp al, 73h
	je .p1_down

	; Loop back
	jmp .detect_input
.p1_down:
	; X coords
	mov ax, [p1_x]
	mov [x_start], ax
	mov [x_end], ax

	; Y coords
	mov bx, [p1_y]
	add bx, 5 ; Move the bat down 5
	mov [y_start], bx
	add bx, [bat_height] ; Add the bat height to the y coord
	mov [y_end], bx

	call os_draw_graphical_rectangle
	ret
.p1_up:
    mov ax, [move_distance]
	sub ax, [p1_y]
	call os_draw_graphical_rectangle
	ret
.finish:
	call os_set_text_mode
	popa
	ret

section .data
	x_start dw 0
	y_start dw 0
	x_end dw 0
	y_end dw 0

	p1_y dw 5
	p2_y dw 0
	p1_x dw 5
	p2_x dw 30

	bat_height dw 20
	move_distance dw 5
	colour db 1111b