PIT_CH0 79 bsp/hal/x86/pc/clock.c outb_p(PIT_CH0, (u_char)(PIT_LATCH & 0xff)); /* LSB */ PIT_CH0 80 bsp/hal/x86/pc/clock.c outb_p(PIT_CH0, (u_char)((PIT_LATCH >> 8) & 0xff)); /* MSB */