; vi:filetype=nasm:

	extern kb_init
	extern keystate

SC_ESC	equ 1
SC_W	equ 17
SC_ENTER equ 28
SC_A	equ 30
SC_S	equ 31
SC_D	equ 32
SC_SPACE equ 57

	; carry set if key is pressed
%macro check_key 1
	mov ebx, keystate + %1
	mov bl, [ebx]
	add bl, 0xff
%endmacro