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use core::num::NonZeroU16;
use core::fmt;
use core::marker::PhantomData;
use core::ops::{Deref, DerefMut};
#[cfg(feature = "snapshot")]
use serde::{Serialize, Deserialize};
use spectrusty_core::{
bus::{BusDevice, PortAddress},
clock::TimestampOps
};
use super::ay::PassByAyAudioBusDevice;
pub use crate::zxprinter::*;
pub type ZxPrinter<S, D> = ZxPrinterBusDevice<ZxPrinterPortAddress, S, D>;
pub type Alphacom32<S, D> = ZxPrinterBusDevice<Alphacom32PortAddress, S, D>;
pub type TS2040<S, D> = ZxPrinterBusDevice<TS2040PortAddress, S, D>;
macro_rules! printer_names {
($($ty:ident: $name:expr),*) => { $(
impl<S, D: BusDevice> fmt::Display for $ty<S, D> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str($name)
}
}
)*};
}
printer_names! {
ZxPrinter: "ZX Printer",
Alphacom32: "Alphacom 32 Printer",
TS2040: "TS2040 Printer"
}
#[derive(Clone, Default, Debug)]
#[cfg_attr(feature = "snapshot", derive(Serialize, Deserialize))]
#[cfg_attr(feature = "snapshot", serde(bound(deserialize = "
S: Default,
D: Deserialize<'de> + Default,
D::Timestamp: Deserialize<'de> + Default",
serialize = "
D: Serialize,
D::Timestamp: Serialize")))]
pub struct ZxPrinterBusDevice<P, S, D: BusDevice>
{
#[cfg_attr(feature = "snapshot", serde(default))]
pub printer: ZxPrinterDevice<D::Timestamp, S>,
#[cfg_attr(feature = "snapshot", serde(default))]
bus: D,
#[cfg_attr(feature = "snapshot", serde(skip))]
_port_decode: PhantomData<P>
}
#[derive(Clone, Copy, Default, Debug)]
pub struct ZxPrinterPortAddress;
impl PortAddress for ZxPrinterPortAddress {
const ADDRESS_MASK: u16 = 0b0000_0000_0000_0100;
const ADDRESS_BITS: u16 = 0b0000_0000_1111_1011;
}
#[derive(Clone, Copy, Default, Debug)]
pub struct Alphacom32PortAddress;
impl PortAddress for Alphacom32PortAddress {
const ADDRESS_MASK: u16 = 0b0000_0000_0100_0100;
const ADDRESS_BITS: u16 = 0b0000_0000_1111_1011;
}
#[derive(Clone, Copy, Default, Debug)]
pub struct TS2040PortAddress;
impl PortAddress for TS2040PortAddress {
const ADDRESS_MASK: u16 = 0b0000_0000_1000_0100;
const ADDRESS_BITS: u16 = 0b0000_0000_1111_1011;
}
impl<P, S, D: BusDevice> Deref for ZxPrinterBusDevice<P, S, D> {
type Target = ZxPrinterDevice<D::Timestamp, S>;
fn deref(&self) -> &Self::Target {
&self.printer
}
}
impl<P, S, D: BusDevice> DerefMut for ZxPrinterBusDevice<P, S, D> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.printer
}
}
impl<P, S, D: BusDevice> PassByAyAudioBusDevice for ZxPrinterBusDevice<P, S, D> {}
impl<P, S, D> BusDevice for ZxPrinterBusDevice<P, S, D>
where P: PortAddress,
S: Spooler,
D: BusDevice,
D::Timestamp: TimestampOps
{
type Timestamp = D::Timestamp;
type NextDevice = D;
#[inline]
fn next_device_mut(&mut self) -> &mut Self::NextDevice {
&mut self.bus
}
#[inline]
fn next_device_ref(&self) -> &Self::NextDevice {
&self.bus
}
#[inline]
fn into_next_device(self) -> Self::NextDevice {
self.bus
}
#[inline]
fn reset(&mut self, timestamp: Self::Timestamp) {
self.printer.reset();
self.bus.reset(timestamp);
}
#[inline]
fn next_frame(&mut self, eof_timestamp: Self::Timestamp) {
self.printer.next_frame(eof_timestamp);
self.bus.next_frame(eof_timestamp)
}
#[inline]
fn read_io(&mut self, port: u16, timestamp: Self::Timestamp) -> Option<(u8, Option<NonZeroU16>)> {
let bus_data = self.bus.read_io(port, timestamp);
if P::match_port(port) {
let pr_data = self.printer.read_status(timestamp);
if let Some((data, ws)) = bus_data {
return Some((data & pr_data, ws))
}
return Some((pr_data, None))
}
bus_data
}
#[inline]
fn write_io(&mut self, port: u16, data: u8, timestamp: Self::Timestamp) -> Option<u16> {
if P::match_port(port) {
self.printer.write_control(data, timestamp);
return Some(0);
}
self.bus.write_io(port, data, timestamp)
}
}