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Support CDDA auto-repeat

This commit is contained in:
Jaby 2024-05-09 14:13:28 +02:00
parent eba022bc10
commit 0618aa1fb7
4 changed files with 45 additions and 24 deletions
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2
include/PSX/Audio/CDDA.hpp
View File

@ -15,7 +15,7 @@ namespace JabyEngine {
TrackList get_tracks();
void play(uint8_t track);
void pause();
void stop();
void push_play();
void pop_play();

1
include/PSX/System/IOPorts/cd_io.hpp
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@ -160,6 +160,7 @@ namespace JabyEngine {
static constexpr Desc SetMode{0x0E, Interrupt::Type::Acknowledge};
static constexpr Desc GetLocP{0x11, Interrupt::Type::Acknowledge};
static constexpr Desc GetTN{0x13, Interrupt::Type::Acknowledge};
static constexpr Desc GetTD{0x14, Interrupt::Type::Acknowledge};
};
static constexpr auto IORegister1Adr = 0x1F801801;

14
src/Library/src/Audio/CDDA.cpp
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@ -1,11 +1,11 @@
#include "../../internal-include/CD/cd_internal.hpp"
#include <PSX/Audio/CDDA.hpp>
#include <stdio.hpp>
namespace JabyEngine {
namespace CDDA {
namespace CD = JabyEngine::CD::internal;
static CD::CDTimeStamp playing_track;
static CD::CDTimeStamp last_track;
TrackList get_tracks() {
@ -28,16 +28,22 @@ namespace JabyEngine {
void play(uint8_t track) {
CD::enable_CDDA(); // < Command waits
CD::Command::send_wait<CD_IO::PortIndex0>(CD_IO::Command::GetTD, track);
const auto stats = CD_IO::PortIndex0::ResponseFifo.read().raw;
playing_track.min = CD_IO::PortIndex0::ResponseFifo.read().raw;
playing_track.sec = CD_IO::PortIndex0::ResponseFifo.read().raw;
CD::Command::send<CD_IO::PortIndex0>(CD_IO::Command::Play, track);
}
void pause() {
void stop() {
CD::Command::wait_completed();
CD::Command::send<CD_IO::PortIndex0>(CD_IO::Command::Pause);
}
void push_play() {
pause();
stop();
CD::Command::wait_completed();
CD::Command::send_wait<CD_IO::PortIndex0>(CD_IO::Command::GetLocP);
@ -53,8 +59,8 @@ namespace JabyEngine {
void pop_play() {
CD::Command::wait_completed();
CD::Command::send_wait<CD_IO::PortIndex0>(CD_IO::Command::SetLoc, last_track.min, last_track.sec, last_track.sector);
CD::enable_CDDA(); // < Command waits
CD::Command::send_wait<CD_IO::PortIndex0>(CD_IO::Command::SetLoc, last_track.min, last_track.sec, last_track.sector);
CD::Command::send<CD_IO::PortIndex0>(CD_IO::Command::Play);
}
}

22
src/Library/src/CD/cd.cpp
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@ -6,7 +6,7 @@
namespace JabyEngine {
namespace CD {
namespace internal {
static constexpr auto AudioSectorMode = CD_IO::Mode::from(CD_IO::Mode::SingleSpeed, CD_IO::Mode::CDDA);
static constexpr auto AudioSectorMode = CD_IO::Mode::from(CD_IO::Mode::SingleSpeed, CD_IO::Mode::AutoPauseTrack, CD_IO::Mode::CDDA);
static constexpr auto DataSectorMode = CD_IO::Mode::from(CD_IO::Mode::DoubleSpeed, CD_IO::Mode::DataSector);
static SysCall::InterruptVerifierResult interrupt_verifier();
@ -88,7 +88,8 @@ namespace JabyEngine {
CD_IO::Interrupt::ack_extended(CD_IO::PortIndex1::InterruptFlag);
cmd_interrupt_bit = bit::clear(cmd_interrupt_bit, cur_irq);
if(cur_irq == CD_IO::Interrupt::DataReady) {
switch(cur_irq) {
case CD_IO::Interrupt::DataReady: {
// Obtain sector content here
auto* sector = sector_allocator.allocate_sector();
if(sector) {
@ -106,10 +107,23 @@ namespace JabyEngine {
current_state = State::BufferFull;
pause_cd();
}
}
} break;
else if(cur_irq == CD_IO::Interrupt::DiskError) {
case CD_IO::Interrupt::DataEnd: {
CD_IO::PortIndex0::change_to();
Command::send<CD_IO::PortIndex0>(CD_IO::Command::SetLoc, static_cast<uint8_t>(0x0), static_cast<uint8_t>(0x09), static_cast<uint8_t>(0x0));
CD_IO::PortIndex1::change_to();
while(CD_IO::Interrupt::get_type(CD_IO::PortIndex1::InterruptFlag) != CD_IO::Interrupt::Acknowledge);
CD_IO::Interrupt::ack_extended(CD_IO::PortIndex1::InterruptFlag);
CD_IO::PortIndex0::change_to();
Command::send<CD_IO::PortIndex0>(CD_IO::Command::Play);
} break;
case CD_IO::Interrupt::DiskError: {
current_state = State::Error;
} break;
}
// No masking required because we can only write bit 0 - 2