mod processor;
mod program_memory;
mod stack;

pub use program_memory::ProgramMemory;
pub use stack::Stack;

mod core;
mod device_bus;
mod signal;
mod emulator;

pub use core::BedrockCore;
pub use device_bus::{Device, DeviceBus};
pub use signal::Signal;
pub use emulator::BedrockEmulator;


pub mod macros {
    #[macro_export]
    macro_rules! read_hh { ($v:expr) => { ($v>>24) as u8 }; }
    #[macro_export]
    macro_rules! read_hl { ($v:expr) => { ($v>>16) as u8 }; }
    #[macro_export]
    macro_rules! read_lh { ($v:expr) => { ($v>>8)  as u8 }; }
    #[macro_export]
    macro_rules! read_ll { ($v:expr) => {  $v      as u8 }; }
    #[macro_export]
    macro_rules! read_h  { ($v:expr) => { ($v>>8)  as u8 }; }
    #[macro_export]
    macro_rules! read_l  { ($v:expr) => {  $v      as u8 }; }
    #[macro_export]
    macro_rules! read_b  { ($v:expr) => { 0u8.wrapping_sub($v as u8) }; }

    #[macro_export]
    macro_rules! write_hh { ($v:expr, $high:expr) => { $v = $v & 0x00ffffff | (($high as u32) << 24) }; }
    #[macro_export]
    macro_rules! write_hl { ($v:expr,  $low:expr) => { $v = $v & 0xff00ffff |  (($low as u32) << 16) }; }
    #[macro_export]
    macro_rules! write_lh { ($v:expr, $high:expr) => { $v = $v & 0xffff00ff | (($high as u32) << 8)  }; }
    #[macro_export]
    macro_rules! write_ll { ($v:expr,  $low:expr) => { $v = $v & 0xffffff00 |   ($low as u32)        }; }
    #[macro_export]
    macro_rules! write_h  { ($v:expr, $high:expr) => { $v = $v & 0x00ff     | (($high as u16) << 8)  }; }
    #[macro_export]
    macro_rules! write_l  { ($v:expr,  $low:expr) => { $v = $v & 0xff00     |   ($low as u16)        }; }

    #[macro_export]
    macro_rules! test_bit { ($v:expr, $mask:expr) => { $v & $mask != 0 }; }
}