require "./vga.cr"
# Timer module - System timer
module Timer
TIMER_FREQ = 1000_u32
# External assembly ISR for timer
fun timer_isr_common : Void
def self.init : Nil
# Set up PIT or HPET here (placeholder)
VGA.puts("Timer initialized\n")
end
def self.enable : Nil
# Enable timer IRQ
end
end