// Let's be lazy:
import c64_kernal

array(word) kernal_registers [16] @ 2

struct clock_date_time_t {
    byte year
    byte month
    byte day
    byte hour
    byte minute
    byte second
    byte jiffies
}

clock_date_time_t clock_date_time @ 2

asm void clock_set_date_time() @$FF4D extern

asm void clock_get_date_time() @$FF50 extern

asm void mouse_config(byte register(a) enable, byte register(x) scale) @$FF68 extern

asm byte mouse_get(byte register(x) offset) @$FF6B extern

asm void mouse_scan() @$FF71 extern

asm byte joystick_get(byte register(a) joy_id) @$FF56 extern

asm void joystick_scan() @$FF53 extern