const arch = @import("../x86_64.zig");
const libk = @import("libk");

const Pio = arch.Pio;
const WriteOnly = libk.io.WriteOnly;

var command: WriteOnly(Pio(u8)) = .open(0x70);
var data: Pio(u8) = .open(0x71);

pub const Register = enum(u8) {
    status_a = 0x0A,
    status_b = 0x0B,
    _,
};

pub fn read(register: Register) u8 {
    command.write(0x80 | @intFromEnum(register));
    return data.read();
}

pub fn write(register: Register, value: u8) void {
    command.write(0x80 | @intFromEnum(register));
    data.write(value);
}