jaby
/
jabyengine
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

Almost finished setup SPU

This commit is contained in:
Jaby 2022-09-02 18:05:21 +02:00
parent 73c70d98ba
commit 8ab74622a3
2 changed files with 85 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
include/PSX/System/IOPorts/SPU_IO.hpp
View File

@ -74,14 +74,14 @@ namespace SPU {
};
struct __no_align Voice {
SweepVolume volumeLeft;
SweepVolume volumeRight;
SampleRate sampleRate;
IOPort<uint16_t> adr;
IOPort<AD> ad;
IOPort<SR> sr;
IOPort<SweepVolume> currentVolume; //Not used
IOPort<uint16_t> repeatAdr;
SweepVolume volumeLeft; //Offset: 0x0
SweepVolume volumeRight; //Offset: 0x2
SampleRate sampleRate; //Offset: 0x4;
IOPort<uint16_t> adr; //Offset: 0x6
IOPort<AD> ad; //Offset: 0x8
IOPort<SR> sr; //Offset: 0xA
IOPort<SweepVolume> currentVolume; //Offset: 0xC
IOPort<uint16_t> repeatAdr; //Offset: 0xE
};
struct __no_align ControlRegister : public IOPort<uint16_t> {
@ -107,6 +107,24 @@ namespace SPU {
static constexpr Bit<uint16_t> CDAudioEnable = 0;
};
struct __no_align PitchModFlags : public IOPort<uint16_t> {
__io_port_inherit(PitchModFlags);
static constexpr BitRange<uint16_t> EnableBits = BitRange<uint16_t>::from_to(1, 23);
};
struct __no_align NoiseGenerator : public IOPort<uint16_t> {
__io_port_inherit(NoiseGenerator);
static constexpr BitRange<uint16_t> NoiseBits = BitRange<uint16_t>::from_to(0, 23);
};
struct __no_align EchoOn : public IOPort<uint16_t> {
__io_port_inherit(EchoOn);
static constexpr BitRange<uint16_t> EchoBits = BitRange<uint16_t>::from_to(0, 23);
};
static constexpr size_t VoiceCount = 24;
namespace Key {
@ -120,8 +138,31 @@ namespace SPU {
__declare_io_port_global(SweepVolume, right, 0x1F801D82);
}
__declare_io_port_global(ControlRegister, Control, 0x1F801DAA);
__declare_io_port_global_array(Voice, Voices, 0x1F801C00, VoiceCount);
namespace CDVolume {
__declare_io_port_global(int16_t, left, 0x1F801DB0);
__declare_io_port_global(int16_t, right, 0x1F801DB2);
}
namespace ExternalAudioInputVolume {
__declare_io_port_global(int16_t, left, 0x1F801DB4);
__declare_io_port_global(int16_t, right, 0x1F801DB6);
}
namespace Reverb {
namespace Volume {
__declare_io_port_global(int16_t, left, 0x1F801D84);
__declare_io_port_global(int16_t, right, 0x1F801D86);
}
__declare_io_port_global(uint16_t, work_area_adr, 0x1F801DA2);
}
__declare_io_port_global(ControlRegister, Control, 0x1F801DAA);
__declare_io_port_global(uint16_t, DataTransferControl, 0x1F801DAC);
__declare_io_port_global(PitchModFlags, PMON, 0x1F801D90);
__declare_io_port_global(NoiseGenerator, NON, 0x1F801D94);
__declare_io_port_global(EchoOn, EON, 0x1F801D98);
__declare_io_port_global_array(Voice, Voices, 0x1F801C00, VoiceCount);
}
}

34
src/Library/src/BootLoader/boot_spu.cpp
View File

@ -15,6 +15,14 @@ namespace SPU {
MainVolume::right.write(StartVol);
}
static void clear_cd_and_ext_audio_volume() {
CDVolume::left.write(0);
CDVolume::right.write(0);
ExternalAudioInputVolume::left.write(0);
ExternalAudioInputVolume::right.write(0);
}
static void clear_control_register() {
Control.write(ControlRegister());
}
@ -33,18 +41,44 @@ namespace SPU {
}
}
static void clear_pmon() {
PMON.write(PitchModFlags());
}
static void clear_noise_and_echo() {
NON.write(NoiseGenerator());
EON.write(EchoOn());
}
static void clear_reverb() {
Reverb::Volume::left.write(0);
Reverb::Volume::right.write(0);
Reverb::work_area_adr.write(0);
}
static void setup_control_register() {
static constexpr auto SetupValue = ControlRegister() | ControlRegister::Enable | ControlRegister::Unmute | ControlRegister::CDAudioEnable;
Control.write(SetupValue);
}
static void setup_data_transfer_control() {
DataTransferControl.write((2 << 1));
}
void setup() {
clear_key();
clear_main_volume();
clear_cd_and_ext_audio_volume();
clear_control_register();
clear_voice();
clear_pmon();
clear_noise_and_echo();
clear_reverb();
setup_data_transfer_control();
setup_control_register();
//DPCR missing
}
}