Merge pull request #10763 from Pokechu22/dsp-hle-asnd
DSPHLE: Add HLE version of libasnd ucode
This commit is contained in:
JMC47
GitHub
commit
75943a7a2c
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@ -142,6 +142,8 @@ add_library(core
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HW/DSPHLE/DSPHLE.h
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HW/DSPHLE/DSPHLE.h
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HW/DSPHLE/MailHandler.cpp
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HW/DSPHLE/MailHandler.cpp
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HW/DSPHLE/MailHandler.h
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HW/DSPHLE/MailHandler.h
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HW/DSPHLE/UCodes/ASnd.cpp
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HW/DSPHLE/UCodes/ASnd.h
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HW/DSPHLE/UCodes/AX.cpp
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HW/DSPHLE/UCodes/AX.cpp
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HW/DSPHLE/UCodes/AX.h
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HW/DSPHLE/UCodes/AX.h
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HW/DSPHLE/UCodes/AXStructs.h
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HW/DSPHLE/UCodes/AXStructs.h
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@ -0,0 +1,568 @@
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// Copyright 2022 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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// High-level emulation for the libasnd ucode, used by older homebrew
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// libasnd is copyright 2008 Hermes <www.entuwii.net> and released under the BSD-3-Clause license
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#include "Core/HW/DSPHLE/UCodes/ASnd.h"
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#include <algorithm>
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#include "Common/ChunkFile.h"
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#include "Common/Logging/Log.h"
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#include "Common/Swap.h"
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#include "Core/HW/DSP.h"
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#include "Core/HW/DSPHLE/DSPHLE.h"
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#include "Core/HW/DSPHLE/MailHandler.h"
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#include "Core/HW/DSPHLE/UCodes/UCodes.h"
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namespace DSP::HLE
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{
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// "fill the internal sample buffer and process the voice internally"
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constexpr u32 MAIL_INPUT_SAMPLES = 0x0111;
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// "get samples from the external buffer to the internal buffer and process the voice mixing the
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// samples internally" (not used)
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constexpr u32 MAIL_INPUT_SAMPLES_2 = 0x0112;
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// "get the address of the voice datas buffer (CHANNEL DATAS)" (actually sets it)
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constexpr u32 MAIL_SET_VOICE_DATA_BUFFER = 0x0123;
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// "process the voice mixing the samples internally"
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constexpr u32 MAIL_INPUT_NEXT_SAMPLES = 0x0222;
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// "send the samples for the internal buffer to the external buffer"
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constexpr u32 MAIN_SEND_SAMPLES = 0x0666;
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// "special: to dump the IROM Datas (remember disable others functions from the interrupt vector to
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// use) (CMBH+0x8000) countain the address of IROM" (not used)
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constexpr u32 MAIL_ROM_DUMP_WORD = 0x0777;
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// "Used for test" (not used)
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constexpr u32 MAIL_TEST = 0x0888;
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constexpr u32 MAIL_TERMINATE = 0x0999;
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// Note that there are additional flags used on the powerpc side (UPDATEADD, UPDATE, and VOLUPDATE)
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// that are not relevant to the DSP side.
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// The old flags are used in the 2008 and 2009 versions, while the new ones are used in the 2011 and
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// 2020 versions.
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constexpr u32 OLD_FLAGS_VOICE_PAUSE = 1 << 5;
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constexpr u32 OLD_FLAGS_VOICE_LOOP = 1 << 2;
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constexpr u32 OLD_FLAGS_SAMPLE_FORMAT_MASK = 3;
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constexpr u32 NEW_FLAGS_VOICE_PAUSE = 1 << 9;
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constexpr u32 NEW_FLAGS_VOICE_LOOP = 1 << 8;
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constexpr u32 NEW_FLAGS_SAMPLE_FORMAT_MASK = 7;
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// Used on the PowerPC side as an enabled flag (if 0, then the voice isn't active).
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// Used on the DSP side as the step in bytes after each read.
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constexpr u32 FLAGS_SAMPLE_FORMAT_BYTES_MASK = 0xffff0000;
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constexpr u32 FLAGS_SAMPLE_FORMAT_BYTES_SHIFT = 16;
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// November 14, 2008 version (padded to 0x05a0 bytes) - initial release
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// https://github.com/devkitPro/libogc/compare/c76d8b851fafc11b0a5debc0b40842929d5a5825~...353a44f038e75e5982eb550173ec8127ab35e3e3
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constexpr u32 HASH_2008 = 0x8d69a19b;
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// February 5, 2009 version (0x05ac bytes) - added MAIL_TERMINATE
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// https://github.com/devkitPro/libogc/compare/1925217ffb4c97cbee5cf21fa3c0231029b340e2~...3b1f018dbe372859a43bff8560e2525f6efa4433
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constexpr u32 HASH_2009 = 0xcc2fd441;
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// June 11, 2011 version (padded to 0x0620 bytes) - added new sample formats, which shifted flags
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// Note that the source include in the repo does not match the compiled binary exactly; the compiled
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// version differs by using asl instead of lsl, $acc1 instead of $acc0, and $ac0.l instead of $ac0.m
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// in various locations, as well as having the "jmp out_samp" line uncommented in stereo_16bits_le.
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// None of these result in a behavior difference, from the source, though.
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// Note that gcdsptool was also updated, which results in some differences in the source that don't
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// actually correspond to different instructions (e.g. s40 was renamed to s16)
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// https://github.com/devkitPro/libogc/commit/b1b8ecab3af3745c8df0b401abd512bdf5fcc011
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constexpr u32 HASH_2011 = 0xa81582e2;
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// June 12, 2020 version (0x0606 bytes) - libogc switched to compiling the ucode at build time
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// instead of including a pre-compiled version in the repo, so this now corresponds to the code
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// provided in the repo. There appear to be no behavior differences from the 2011 version.
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// https://github.com/devkitPro/libogc/compare/bfb705fe1607a3031d18b65d603975b68a1cffd4~...d20f9bdcfb43260c6c759f4fb98d724931443f93
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constexpr u32 HASH_2020 = 0xdbbeeb61;
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constexpr u32 SAMPLE_RATE = 48000;
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ASndUCode::ASndUCode(DSPHLE* dsphle, u32 crc) : UCodeInterface(dsphle, crc)
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{
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}
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void ASndUCode::Initialize()
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{
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m_mail_handler.PushMail(DSP_INIT);
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}
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void ASndUCode::Update()
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{
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// This is dubious in general, since we set the interrupt parameter on m_mail_handler.PushMail
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if (!m_mail_handler.IsEmpty())
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{
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DSP::GenerateDSPInterruptFromDSPEmu(DSP::INT_DSP);
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}
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}
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void ASndUCode::HandleMail(u32 mail)
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{
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if (m_upload_setup_in_progress)
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{
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PrepareBootUCode(mail);
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}
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else if (m_next_command_is_voice_addr)
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{
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m_voice_addr = mail;
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INFO_LOG_FMT(DSPHLE, "ASndUCode - Voice data is at {:08x}", mail);
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m_next_command_is_voice_addr = false;
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// No mail is sent in response
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}
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else if ((mail & TASK_MAIL_MASK) == TASK_MAIL_TO_DSP)
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{
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switch (mail)
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{
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case MAIL_NEW_UCODE:
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m_upload_setup_in_progress = true;
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break;
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case MAIL_RESET:
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m_dsphle->SetUCode(UCODE_ROM);
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break;
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default:
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WARN_LOG_FMT(DSPHLE, "ASndUCode - unknown 0xcdd1 command: {:08x}", mail);
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break;
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}
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// No mail is sent in response to any of these
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}
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else
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{
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// The ucode only checks the lower word (as long as the upper word is not 0xCDD1).
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switch (mail & 0xffff)
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{
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case MAIL_INPUT_SAMPLES:
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DEBUG_LOG_FMT(DSPHLE, "ASndUCode - MAIL_INPUT_SAMPLES: {:08x}", mail);
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// input_samples
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DMAInVoiceData();
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// loop_get1
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m_output_buffer.fill(0);
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DoMixing(DSP_SYNC);
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// Mail is handled by DoMixing()
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break;
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case MAIL_INPUT_SAMPLES_2:
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WARN_LOG_FMT(DSPHLE, "ASndUCode - MAIL_INPUT_SAMPLES_2: {:08x} - not normally used", mail);
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// input_samples2
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DMAInVoiceData(); // first do_dma call
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// second do_dma call
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for (u32 i = 0; i < NUM_OUTPUT_SAMPLES * 2; i++)
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{
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m_output_buffer[i] = HLEMemory_Read_U16(m_current_voice.out_buf + i * sizeof(u16));
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}
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DoMixing(DSP_SYNC);
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// Mail is handled by DoMixing()
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break;
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case MAIL_SET_VOICE_DATA_BUFFER:
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DEBUG_LOG_FMT(DSPHLE, "ASndUCode - MAIL_SET_VOICE_DATA_BUFFER: {:08x}", mail);
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m_next_command_is_voice_addr = true;
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// No mail is sent in response
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break;
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case MAIL_INPUT_NEXT_SAMPLES:
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DEBUG_LOG_FMT(DSPHLE, "ASndUCode - MAIL_INPUT_NEXT_SAMPLES: {:08x}", mail);
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// input_next_samples
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DMAInVoiceData();
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// called via fallthrough
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DoMixing(DSP_SYNC);
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// Mail is handled by DoMixing()
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break;
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case MAIN_SEND_SAMPLES:
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DEBUG_LOG_FMT(DSPHLE, "ASndUCode - MAIN_SEND_SAMPLES: {:08x}", mail);
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for (u32 i = 0; i < NUM_OUTPUT_SAMPLES * 2; i++)
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{
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HLEMemory_Write_U16(m_current_voice.out_buf + i * sizeof(u16), m_output_buffer[i]);
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}
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m_mail_handler.PushMail(DSP_SYNC, true);
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break;
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case MAIL_ROM_DUMP_WORD:
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WARN_LOG_FMT(DSPHLE, "ASndUCode - MAIL_ROM_DUMP_WORD: {:08x} - not normally used", mail);
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// Reads instruction at 0x8000 | (mail >> 16), and sends it back in DMBL. DMBH is 0.
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m_mail_handler.PushMail(0x0000'0000, false); // DIRQ is not set
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break;
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case MAIL_TEST:
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WARN_LOG_FMT(DSPHLE, "ASndUCode - MAIL_TEST: {:08x} - not normally used", mail);
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// Runs `lri $ac0.m, #0x0` and `andf $ac0.m, #0x1`
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// and then sends $sr in DMBH and $ac0.m in DMBL
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// The exact value of $sr will vary, but this isn't used by anything in practice.
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m_mail_handler.PushMail(0x2264'0000, false); // DIRQ is not set
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break;
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case MAIL_TERMINATE:
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if (m_crc != HASH_2008)
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{
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INFO_LOG_FMT(DSPHLE, "ASndUCode - MAIL_TERMINATE: {:08x}", mail);
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// This doesn't actually change the state of the system.
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m_mail_handler.PushMail(DSP_DONE, true);
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}
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else
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{
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WARN_LOG_FMT(DSPHLE, "ASndUCode - MAIL_TERMINATE is not supported in this version: {:08x}",
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mail);
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m_mail_handler.PushMail(DSP_SYNC, true);
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}
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break;
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default:
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WARN_LOG_FMT(DSPHLE, "ASndUCode - unknown command: {:08x}", mail);
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m_mail_handler.PushMail(DSP_SYNC, true);
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break;
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}
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}
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}
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void ASndUCode::DMAInVoiceData()
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{
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m_current_voice.out_buf = HLEMemory_Read_U32(m_voice_addr);
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m_current_voice.delay_samples = HLEMemory_Read_U32(m_voice_addr + 4);
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u32 new_flags = HLEMemory_Read_U32(m_voice_addr + 8);
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if (m_current_voice.flags != new_flags)
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DEBUG_LOG_FMT(DSPHLE, "ASndUCode - flags: {:08x}", new_flags);
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m_current_voice.flags = new_flags;
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m_current_voice.start_addr = HLEMemory_Read_U32(m_voice_addr + 12);
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m_current_voice.end_addr = HLEMemory_Read_U32(m_voice_addr + 16);
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m_current_voice.freq = HLEMemory_Read_U32(m_voice_addr + 20);
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m_current_voice.left = HLEMemory_Read_U16(m_voice_addr + 24);
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m_current_voice.right = HLEMemory_Read_U16(m_voice_addr + 26);
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m_current_voice.counter = HLEMemory_Read_U32(m_voice_addr + 28);
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m_current_voice.volume_l = HLEMemory_Read_U16(m_voice_addr + 32);
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m_current_voice.volume_r = HLEMemory_Read_U16(m_voice_addr + 34);
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m_current_voice.start_addr2 = HLEMemory_Read_U32(m_voice_addr + 36);
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m_current_voice.end_addr2 = HLEMemory_Read_U32(m_voice_addr + 40);
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m_current_voice.volume2_l = HLEMemory_Read_U16(m_voice_addr + 44);
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m_current_voice.volume2_r = HLEMemory_Read_U16(m_voice_addr + 46);
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m_current_voice.backup_addr = HLEMemory_Read_U32(m_voice_addr + 48);
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m_current_voice.tick_counter = HLEMemory_Read_U32(m_voice_addr + 52);
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m_current_voice.cb = HLEMemory_Read_U32(m_voice_addr + 56);
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m_current_voice._pad = HLEMemory_Read_U32(m_voice_addr + 60);
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}
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void ASndUCode::DMAOutVoiceData()
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{
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HLEMemory_Write_U32(m_voice_addr, m_current_voice.out_buf);
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HLEMemory_Write_U32(m_voice_addr + 4, m_current_voice.delay_samples);
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HLEMemory_Write_U32(m_voice_addr + 8, m_current_voice.flags);
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HLEMemory_Write_U32(m_voice_addr + 12, m_current_voice.start_addr);
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HLEMemory_Write_U32(m_voice_addr + 16, m_current_voice.end_addr);
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HLEMemory_Write_U32(m_voice_addr + 20, m_current_voice.freq);
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HLEMemory_Write_U16(m_voice_addr + 24, m_current_voice.left);
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HLEMemory_Write_U16(m_voice_addr + 26, m_current_voice.right);
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HLEMemory_Write_U32(m_voice_addr + 28, m_current_voice.counter);
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HLEMemory_Write_U16(m_voice_addr + 32, m_current_voice.volume_l);
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HLEMemory_Write_U16(m_voice_addr + 34, m_current_voice.volume_r);
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HLEMemory_Write_U32(m_voice_addr + 36, m_current_voice.start_addr2);
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HLEMemory_Write_U32(m_voice_addr + 40, m_current_voice.end_addr2);
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HLEMemory_Write_U16(m_voice_addr + 44, m_current_voice.volume2_l);
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HLEMemory_Write_U16(m_voice_addr + 46, m_current_voice.volume2_r);
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HLEMemory_Write_U32(m_voice_addr + 48, m_current_voice.backup_addr);
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HLEMemory_Write_U32(m_voice_addr + 52, m_current_voice.tick_counter);
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HLEMemory_Write_U32(m_voice_addr + 56, m_current_voice.cb);
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HLEMemory_Write_U32(m_voice_addr + 60, m_current_voice._pad);
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}
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void ASndUCode::DoMixing(u32 return_mail)
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{
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// Note: return_mail is set to DSP_SYNC by all callers, but then changed here... to DSP_SYNC.
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// This doesn't really make sense, but I'm keeping that behavior in case it helps with porting
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// older versions.
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// start_main
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const u32 sample_format_mask = (m_crc == HASH_2011 || m_crc == HASH_2020) ?
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NEW_FLAGS_SAMPLE_FORMAT_MASK :
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OLD_FLAGS_SAMPLE_FORMAT_MASK;
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const u32 sample_format = m_current_voice.flags & sample_format_mask;
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const u32 sample_format_step =
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(m_current_voice.flags & FLAGS_SAMPLE_FORMAT_BYTES_MASK) >> FLAGS_SAMPLE_FORMAT_BYTES_SHIFT;
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// sample_selector jump table
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static constexpr std::array<std::pair<s16, s16> (ASndUCode::*)() const, 8> sample_selector{
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&ASndUCode::ReadSampleMono8Bits, &ASndUCode::ReadSampleMono16Bits,
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&ASndUCode::ReadSampleStereo8Bits, &ASndUCode::ReadSampleStereo16Bits,
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&ASndUCode::ReadSampleMono8BitsUnsigned, &ASndUCode::ReadSampleMono16BitsLittleEndian,
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&ASndUCode::ReadSampleStereo8BitsUnsigned, &ASndUCode::ReadSampleStereo16BitsLittleEndian,
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};
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const auto sample_function = sample_selector[sample_format];
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const u32 pause_mask =
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||||||
|
(m_crc == HASH_2011 || m_crc == HASH_2020) ? NEW_FLAGS_VOICE_PAUSE : OLD_FLAGS_VOICE_PAUSE;
|
||||||
|
|
||||||
|
if ((m_current_voice.flags & pause_mask) == 0)
|
||||||
|
{
|
||||||
|
if (m_current_voice.start_addr == 0)
|
||||||
|
{
|
||||||
|
// "set return as "change of buffer""
|
||||||
|
// (which doesn't make sense, since we're changing the return value to what it already was)
|
||||||
|
return_mail = DSP_SYNC;
|
||||||
|
ChangeBuffer();
|
||||||
|
if (m_current_voice.start_addr == 0)
|
||||||
|
{
|
||||||
|
// Jump to save_datas_end, but since we write to start_addr directly in ChangeBuffer and
|
||||||
|
// can't have changed prev_r or prev_l here, there's nothing that needs to be saved.
|
||||||
|
// Thus, we can jump to end_main instead. This is still pretty ugly, but I don't think
|
||||||
|
// there's any way to tidy it further without making the structure much more convoluted.
|
||||||
|
goto end_main;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// do_not_change1
|
||||||
|
|
||||||
|
u32 buffer_offset = 0;
|
||||||
|
// "delay time section"
|
||||||
|
u16 remaining_samples = NUM_OUTPUT_SAMPLES;
|
||||||
|
|
||||||
|
// Note: We don't handle masking/sign extension from use of $ac0.h and $ac1.h, as this isn't
|
||||||
|
// something that should happen if the PowerPC code is using the library normally.
|
||||||
|
// This applies throughout.
|
||||||
|
if (m_current_voice.delay_samples != 0)
|
||||||
|
{
|
||||||
|
m_current_voice.right = 0;
|
||||||
|
m_current_voice.left = 0;
|
||||||
|
u16 remaining_samples_delay = remaining_samples;
|
||||||
|
// l_delay
|
||||||
|
while (true)
|
||||||
|
{
|
||||||
|
buffer_offset += 2;
|
||||||
|
remaining_samples_delay--;
|
||||||
|
if (remaining_samples_delay == 0)
|
||||||
|
{
|
||||||
|
// exit_delay1
|
||||||
|
remaining_samples = 0;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
m_current_voice.delay_samples--;
|
||||||
|
if (m_current_voice.delay_samples == 0)
|
||||||
|
{
|
||||||
|
// exit_delay2
|
||||||
|
// commented with "load remanent samples to be processed in AXL0",
|
||||||
|
// but they use "MRR $AX0.L, $AC1.L" when the remaining samples are in $AC1.M.
|
||||||
|
remaining_samples = 0;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// no_delay
|
||||||
|
// "bucle de generacion de samples", i.e. sample generation loop
|
||||||
|
DMAInSampleData();
|
||||||
|
// "loops for samples to be processed", corresponding to BLOOP $ax0.l, loop_end
|
||||||
|
while (remaining_samples > 0)
|
||||||
|
{
|
||||||
|
remaining_samples--;
|
||||||
|
// "Mix right sample section"
|
||||||
|
s32 sample_r = static_cast<s16>(m_output_buffer[buffer_offset]);
|
||||||
|
sample_r += m_current_voice.right;
|
||||||
|
sample_r = std::clamp(sample_r, -32768, 32767);
|
||||||
|
m_output_buffer[buffer_offset++] = sample_r;
|
||||||
|
// "Mix left sample section"
|
||||||
|
s32 sample_l = static_cast<s16>(m_output_buffer[buffer_offset]);
|
||||||
|
sample_l += m_current_voice.left;
|
||||||
|
sample_l = std::clamp(sample_l, -32768, 32767);
|
||||||
|
m_output_buffer[buffer_offset++] = sample_l;
|
||||||
|
// "adds the counter with the voice frequency and test if it >=48000 to get the next sample"
|
||||||
|
m_current_voice.counter += m_current_voice.freq;
|
||||||
|
if (m_current_voice.counter >= SAMPLE_RATE)
|
||||||
|
{
|
||||||
|
if (m_current_voice.freq <= SAMPLE_RATE)
|
||||||
|
{
|
||||||
|
// get_sample: "fast method"
|
||||||
|
m_current_voice.counter -= SAMPLE_RATE;
|
||||||
|
m_current_voice.start_addr += sample_format_step;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
// get_sample2: "slow method"
|
||||||
|
while (m_current_voice.counter >= SAMPLE_RATE)
|
||||||
|
{
|
||||||
|
m_current_voice.counter -= SAMPLE_RATE;
|
||||||
|
m_current_voice.start_addr += sample_format_step;
|
||||||
|
if ((m_current_voice.start_addr & INPUT_SAMPLE_BUFFER_BYTE_MASK) == 0)
|
||||||
|
{
|
||||||
|
DMAInSampleData();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (m_current_voice.start_addr >= m_current_voice.end_addr)
|
||||||
|
{
|
||||||
|
// get_new_buffer (the comparison/jump is performed separately in get_sample and
|
||||||
|
// get_sample2, but the same comparison is done for both)
|
||||||
|
return_mail = DSP_SYNC;
|
||||||
|
ChangeBuffer();
|
||||||
|
if (m_current_voice.start_addr == 0)
|
||||||
|
{
|
||||||
|
// zero_samples
|
||||||
|
// This directly jumps to out_samp as well, bypassing the code below.
|
||||||
|
// Fortunately we can replicate this behavior with `continue`, and don't need to handle
|
||||||
|
// the multiplication logic in out_samp since the samples are zero.
|
||||||
|
m_current_voice.right = 0;
|
||||||
|
m_current_voice.left = 0;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
DMAInSampleData();
|
||||||
|
}
|
||||||
|
// jump_load_smp_addr
|
||||||
|
const u16 input_sample_offset =
|
||||||
|
(m_current_voice.start_addr >> 1) & INPUT_SAMPLE_BUFFER_WORD_MASK;
|
||||||
|
if (input_sample_offset == 0)
|
||||||
|
{
|
||||||
|
// jump_load_smp_dma
|
||||||
|
DMAInSampleDataAssumeAligned();
|
||||||
|
}
|
||||||
|
// Both paths jmpr $AR3, which is an index into sample_selector
|
||||||
|
|
||||||
|
const auto [new_r, new_l] = (this->*sample_function)();
|
||||||
|
// out_samp: "multiply sample x volume" - left is put in $ax0.h, right is put in $ax1.h
|
||||||
|
|
||||||
|
// All functions jumped to from sample_selector jump or fall through here (zero_samples also
|
||||||
|
// jumps here, but is handled separately above for structural reasons)
|
||||||
|
const s32 temp_l = static_cast<s32>(new_l) * m_current_voice.volume_l;
|
||||||
|
m_current_voice.left = static_cast<s16>(temp_l >> 8);
|
||||||
|
const s32 temp_r = static_cast<s32>(new_r) * m_current_voice.volume_r;
|
||||||
|
m_current_voice.right = static_cast<s16>(temp_r >> 8);
|
||||||
|
}
|
||||||
|
// loop_end, remember that the labeled instruction is the last instruction in the loop
|
||||||
|
// so jumping to the NOP here causes the loop to repeat (and decrement its counter)
|
||||||
|
}
|
||||||
|
// end_process (not actually jumped to)
|
||||||
|
if (m_current_voice.start_addr == 0)
|
||||||
|
{
|
||||||
|
return_mail = DSP_SYNC;
|
||||||
|
ChangeBuffer();
|
||||||
|
}
|
||||||
|
// save_datas_end (we mutate m_current_voice.start_addr, left, and right in place,
|
||||||
|
// so nothing needs to happen here here)
|
||||||
|
}
|
||||||
|
end_main: // end_main
|
||||||
|
DMAOutVoiceData();
|
||||||
|
|
||||||
|
m_mail_handler.PushMail(return_mail, true);
|
||||||
|
}
|
||||||
|
|
||||||
|
void ASndUCode::ChangeBuffer()
|
||||||
|
{
|
||||||
|
// change_buffer
|
||||||
|
m_current_voice.volume_l = m_current_voice.volume2_l;
|
||||||
|
m_current_voice.volume_r = m_current_voice.volume2_r;
|
||||||
|
m_current_voice.end_addr = m_current_voice.end_addr2;
|
||||||
|
m_current_voice.start_addr = m_current_voice.start_addr2;
|
||||||
|
m_current_voice.backup_addr = m_current_voice.start_addr2;
|
||||||
|
|
||||||
|
const u32 loop_mask =
|
||||||
|
(m_crc == HASH_2011 || m_crc == HASH_2020) ? NEW_FLAGS_VOICE_LOOP : OLD_FLAGS_VOICE_LOOP;
|
||||||
|
|
||||||
|
if ((m_current_voice.flags & loop_mask) == 0)
|
||||||
|
{
|
||||||
|
m_current_voice.start_addr2 = 0;
|
||||||
|
m_current_voice.end_addr2 = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void ASndUCode::DMAInSampleData()
|
||||||
|
{
|
||||||
|
// load_smp_addr_align
|
||||||
|
// This is its own function, and it contains its own copy of the DMA logic.
|
||||||
|
// The only difference is that this one forces the address to be aligned, while when
|
||||||
|
// jump_load_smp_dma is used, the address is expected to already be aligned.
|
||||||
|
const u32 addr = m_current_voice.start_addr & ~INPUT_SAMPLE_BUFFER_BYTE_MASK;
|
||||||
|
for (u16 i = 0; i < INPUT_SAMPLE_BUFFER_SIZE_WORDS; i++)
|
||||||
|
{
|
||||||
|
m_input_sample_buffer[i] = HLEMemory_Read_U16(addr + i * sizeof(u16));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void ASndUCode::DMAInSampleDataAssumeAligned()
|
||||||
|
{
|
||||||
|
// jump_load_smp_dma
|
||||||
|
// This is technically not a function, but instead is directly jumped to and then jumps to $ar3
|
||||||
|
// (which is set to an address from sample_selector). We can just treat it as a function though.
|
||||||
|
const u32 addr = m_current_voice.start_addr;
|
||||||
|
for (u16 i = 0; i < INPUT_SAMPLE_BUFFER_SIZE_WORDS; i++)
|
||||||
|
{
|
||||||
|
m_input_sample_buffer[i] = HLEMemory_Read_U16(addr + i * sizeof(u16));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
std::pair<s16, s16> ASndUCode::ReadSampleMono8Bits() const
|
||||||
|
{
|
||||||
|
// mono_8bits
|
||||||
|
const u32 index = (m_current_voice.start_addr >> 1) & INPUT_SAMPLE_BUFFER_WORD_MASK;
|
||||||
|
s16 result = m_input_sample_buffer[index];
|
||||||
|
if ((m_current_voice.start_addr & 1) == 0)
|
||||||
|
result >>= 8;
|
||||||
|
result <<= 8;
|
||||||
|
return {result, result};
|
||||||
|
}
|
||||||
|
|
||||||
|
std::pair<s16, s16> ASndUCode::ReadSampleStereo8Bits() const
|
||||||
|
{
|
||||||
|
// stereo_8bits
|
||||||
|
const u32 index = (m_current_voice.start_addr >> 1) & INPUT_SAMPLE_BUFFER_WORD_MASK;
|
||||||
|
const u16 sample = m_input_sample_buffer[index];
|
||||||
|
const s16 right = sample & 0xff00;
|
||||||
|
const s16 left = sample << 8;
|
||||||
|
return {right, left};
|
||||||
|
}
|
||||||
|
std::pair<s16, s16> ASndUCode::ReadSampleMono16Bits() const
|
||||||
|
{
|
||||||
|
// mono_16bits
|
||||||
|
const u32 index = (m_current_voice.start_addr >> 1) & INPUT_SAMPLE_BUFFER_WORD_MASK;
|
||||||
|
const s16 result = m_input_sample_buffer[index];
|
||||||
|
return {result, result};
|
||||||
|
}
|
||||||
|
|
||||||
|
std::pair<s16, s16> ASndUCode::ReadSampleStereo16Bits() const
|
||||||
|
{
|
||||||
|
// stereo_16bits
|
||||||
|
const u32 index = (m_current_voice.start_addr >> 1) & INPUT_SAMPLE_BUFFER_WORD_MASK;
|
||||||
|
const s16 right = m_input_sample_buffer[index];
|
||||||
|
// Note that 1 is added to index after the masking - meaning that theoretically an out-of-bounds
|
||||||
|
// index 0x10 can be read (but the buffer is oversized both here and in the actual uCode, so the
|
||||||
|
// data at the out-of-bounds index will instead be 0).
|
||||||
|
const s16 left = m_input_sample_buffer[index + 1];
|
||||||
|
return {right, left};
|
||||||
|
}
|
||||||
|
|
||||||
|
std::pair<s16, s16> ASndUCode::ReadSampleMono8BitsUnsigned() const
|
||||||
|
{
|
||||||
|
// mono_8bits_unsigned
|
||||||
|
const u32 index = (m_current_voice.start_addr >> 1) & INPUT_SAMPLE_BUFFER_WORD_MASK;
|
||||||
|
s16 result = m_input_sample_buffer[index];
|
||||||
|
if ((m_current_voice.start_addr & 1) == 0)
|
||||||
|
result >>= 8;
|
||||||
|
result <<= 8;
|
||||||
|
result ^= 0x8000; // Flip the sign bit - effectively adding 0x8000
|
||||||
|
return {result, result};
|
||||||
|
}
|
||||||
|
|
||||||
|
std::pair<s16, s16> ASndUCode::ReadSampleMono16BitsLittleEndian() const
|
||||||
|
{
|
||||||
|
// mono_16bits_le
|
||||||
|
const u32 index = (m_current_voice.start_addr >> 1) & INPUT_SAMPLE_BUFFER_WORD_MASK;
|
||||||
|
// Actual implementation is u32 result_l = result | result << 16; result = result_l >> 8;
|
||||||
|
const s16 result = Common::swap16(m_input_sample_buffer[index]);
|
||||||
|
return {result, result};
|
||||||
|
}
|
||||||
|
|
||||||
|
std::pair<s16, s16> ASndUCode::ReadSampleStereo8BitsUnsigned() const
|
||||||
|
{
|
||||||
|
// stereo_8bits_unsigned
|
||||||
|
const u32 index = (m_current_voice.start_addr >> 1) & INPUT_SAMPLE_BUFFER_WORD_MASK;
|
||||||
|
u16 sample = m_input_sample_buffer[index] ^ 0x8080;
|
||||||
|
const s16 right = sample & 0xff00;
|
||||||
|
const s16 left = sample << 8;
|
||||||
|
return {right, left};
|
||||||
|
}
|
||||||
|
|
||||||
|
std::pair<s16, s16> ASndUCode::ReadSampleStereo16BitsLittleEndian() const
|
||||||
|
{
|
||||||
|
// stereo_16bits_le
|
||||||
|
const u32 index = (m_current_voice.start_addr >> 1) & INPUT_SAMPLE_BUFFER_WORD_MASK;
|
||||||
|
const s16 right = Common::swap16(m_input_sample_buffer[index]);
|
||||||
|
// Note that 1 is added to index after the masking - meaning that theoretically an out-of-bounds
|
||||||
|
// index 0x10 can be read (but the buffer is oversized both here and in the actual uCode, so the
|
||||||
|
// data at the out-of-bounds index will instead be 0).
|
||||||
|
const s16 left = Common::swap16(m_input_sample_buffer[index + 1]);
|
||||||
|
return {right, left};
|
||||||
|
}
|
||||||
|
|
||||||
|
void ASndUCode::DoState(PointerWrap& p)
|
||||||
|
{
|
||||||
|
DoStateShared(p);
|
||||||
|
p.Do(m_next_command_is_voice_addr);
|
||||||
|
p.Do(m_voice_addr);
|
||||||
|
p.Do(m_current_voice);
|
||||||
|
p.Do(m_input_sample_buffer);
|
||||||
|
p.Do(m_output_buffer);
|
||||||
|
}
|
||||||
|
} // namespace DSP::HLE
|
||||||
|
|
@ -0,0 +1,113 @@
|
||||||
|
// Copyright 2022 Dolphin Emulator Project
|
||||||
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||||||
|
|
||||||
|
#pragma once
|
||||||
|
|
||||||
|
#include <array>
|
||||||
|
#include <utility>
|
||||||
|
|
||||||
|
#include "Common/CommonTypes.h"
|
||||||
|
#include "Core/HW/DSPHLE/UCodes/UCodes.h"
|
||||||
|
|
||||||
|
namespace DSP::HLE
|
||||||
|
{
|
||||||
|
class DSPHLE;
|
||||||
|
|
||||||
|
class ASndUCode final : public UCodeInterface
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
ASndUCode(DSPHLE* dsphle, u32 crc);
|
||||||
|
|
||||||
|
void Initialize() override;
|
||||||
|
void HandleMail(u32 mail) override;
|
||||||
|
void Update() override;
|
||||||
|
void DoState(PointerWrap& p) override;
|
||||||
|
|
||||||
|
private:
|
||||||
|
void DMAInVoiceData();
|
||||||
|
void DMAOutVoiceData();
|
||||||
|
void DMAInSampleData();
|
||||||
|
void DMAInSampleDataAssumeAligned();
|
||||||
|
void ChangeBuffer();
|
||||||
|
void DoMixing(u32 return_mail);
|
||||||
|
|
||||||
|
std::pair<s16, s16> ReadSampleMono8Bits() const;
|
||||||
|
std::pair<s16, s16> ReadSampleStereo8Bits() const;
|
||||||
|
std::pair<s16, s16> ReadSampleMono16Bits() const;
|
||||||
|
std::pair<s16, s16> ReadSampleStereo16Bits() const;
|
||||||
|
std::pair<s16, s16> ReadSampleMono8BitsUnsigned() const;
|
||||||
|
std::pair<s16, s16> ReadSampleMono16BitsLittleEndian() const;
|
||||||
|
std::pair<s16, s16> ReadSampleStereo8BitsUnsigned() const;
|
||||||
|
std::pair<s16, s16> ReadSampleStereo16BitsLittleEndian() const;
|
||||||
|
|
||||||
|
// Copied from libasnd/asndlib.c's t_sound_data
|
||||||
|
struct VoiceData
|
||||||
|
{
|
||||||
|
// output buffer 4096 bytes aligned to 32
|
||||||
|
u32 out_buf;
|
||||||
|
// samples per delay to start (48000 == 1sec)
|
||||||
|
u32 delay_samples;
|
||||||
|
// 2008/2009 versions: (step<<16) | (loop<<2) | (type & 3) used in DSP side
|
||||||
|
// 2011/2020 versions: (step<<16) | (statuses<<8) | (type & 7) used in DSP side
|
||||||
|
u32 flags;
|
||||||
|
// internal addr counter
|
||||||
|
u32 start_addr;
|
||||||
|
// end voice physical pointer (bytes without alignament, but remember it reads in blocks of 32
|
||||||
|
// bytes (use padding to the end))
|
||||||
|
u32 end_addr;
|
||||||
|
// freq operation
|
||||||
|
u32 freq;
|
||||||
|
// internally used to store de last sample played
|
||||||
|
s16 left, right;
|
||||||
|
// internally used to convert freq to 48000Hz samples
|
||||||
|
u32 counter;
|
||||||
|
// volume (from 0 to 256)
|
||||||
|
u16 volume_l, volume_r;
|
||||||
|
// initial voice2 physical pointer (bytes aligned 32 bytes) (to do a ring)
|
||||||
|
u32 start_addr2;
|
||||||
|
// end voice2 physical pointer (bytes without alignament, but remember it reads in blocks of 32
|
||||||
|
// bytes (use padding to the end))
|
||||||
|
u32 end_addr2;
|
||||||
|
// volume (from 0 to 256) for voice 2
|
||||||
|
u16 volume2_l, volume2_r;
|
||||||
|
// initial voice physical pointer backup (bytes aligned to 32 bytes): It is used for test
|
||||||
|
// pointers purpose
|
||||||
|
u32 backup_addr;
|
||||||
|
// voice tick counter - not used by DSP code
|
||||||
|
u32 tick_counter;
|
||||||
|
// callback - not used by DSP code
|
||||||
|
u32 cb;
|
||||||
|
u32 _pad;
|
||||||
|
};
|
||||||
|
static_assert(sizeof(VoiceData) == sizeof(u16) * 0x20);
|
||||||
|
|
||||||
|
bool m_next_command_is_voice_addr = false;
|
||||||
|
u32 m_voice_addr = 0;
|
||||||
|
|
||||||
|
VoiceData m_current_voice{};
|
||||||
|
|
||||||
|
// Number of bytes in the input sample buffer.
|
||||||
|
static constexpr u32 INPUT_SAMPLE_BUFFER_SIZE_BYTES = 0x20;
|
||||||
|
// Mask used for addresses for the sample buffer - note that the sample buffer is also assumed to
|
||||||
|
// be 0x20-aligned in main memory.
|
||||||
|
static constexpr u32 INPUT_SAMPLE_BUFFER_BYTE_MASK = INPUT_SAMPLE_BUFFER_SIZE_BYTES - 1;
|
||||||
|
// The DSP itself operates on 16-bit words instead of individual bytes, meaning the size is 0x10.
|
||||||
|
static constexpr u32 INPUT_SAMPLE_BUFFER_SIZE_WORDS = INPUT_SAMPLE_BUFFER_SIZE_BYTES / 2;
|
||||||
|
// ... and thus uses a different mask of 0x0f.
|
||||||
|
static constexpr u32 INPUT_SAMPLE_BUFFER_WORD_MASK = INPUT_SAMPLE_BUFFER_SIZE_WORDS - 1;
|
||||||
|
// Lastly, the uCode actually allocates 0x20 words, not 0x10 words, for the sample buffer,
|
||||||
|
// but only the first 0x10 words are used except for an edge-case where they mask with 0xf and
|
||||||
|
// then add 1 in ReadSampleStereo16Bits and ReadSampleStereo16BitsLittleEndian - this results in
|
||||||
|
// index 0x10 possibly being read, which is otherwise unused (but this probably doesn't happen in
|
||||||
|
// practice, as it would require the buffer address starting at 2 instead of 0). We use the same
|
||||||
|
// oversized buffer to accurately emulate this behavior without actually reading invalid memory.
|
||||||
|
static constexpr u32 INPUT_SAMPLE_BUFFER_SIZE_WORDS_ACTUAL = INPUT_SAMPLE_BUFFER_SIZE_WORDS * 2;
|
||||||
|
|
||||||
|
std::array<u16, INPUT_SAMPLE_BUFFER_SIZE_WORDS_ACTUAL> m_input_sample_buffer{};
|
||||||
|
|
||||||
|
// Number of 16-bit stereo samples in the output buffer
|
||||||
|
static constexpr u32 NUM_OUTPUT_SAMPLES = 1024;
|
||||||
|
|
||||||
|
std::array<u16, NUM_OUTPUT_SAMPLES * 2> m_output_buffer{};
|
||||||
|
};
|
||||||
|
} // namespace DSP::HLE
|
||||||
|
|
@ -20,6 +20,7 @@
|
||||||
#include "Core/ConfigManager.h"
|
#include "Core/ConfigManager.h"
|
||||||
#include "Core/DSP/DSPCodeUtil.h"
|
#include "Core/DSP/DSPCodeUtil.h"
|
||||||
#include "Core/HW/DSPHLE/DSPHLE.h"
|
#include "Core/HW/DSPHLE/DSPHLE.h"
|
||||||
|
#include "Core/HW/DSPHLE/UCodes/ASnd.h"
|
||||||
#include "Core/HW/DSPHLE/UCodes/AX.h"
|
#include "Core/HW/DSPHLE/UCodes/AX.h"
|
||||||
#include "Core/HW/DSPHLE/UCodes/AXWii.h"
|
#include "Core/HW/DSPHLE/UCodes/AXWii.h"
|
||||||
#include "Core/HW/DSPHLE/UCodes/CARD.h"
|
#include "Core/HW/DSPHLE/UCodes/CARD.h"
|
||||||
|
|
@ -282,6 +283,13 @@ std::unique_ptr<UCodeInterface> UCodeFactory(u32 crc, DSPHLE* dsphle, bool wii)
|
||||||
INFO_LOG_FMT(DSPHLE, "CRC {:08x}: Wii - AXWii chosen", crc);
|
INFO_LOG_FMT(DSPHLE, "CRC {:08x}: Wii - AXWii chosen", crc);
|
||||||
return std::make_unique<AXWiiUCode>(dsphle, crc);
|
return std::make_unique<AXWiiUCode>(dsphle, crc);
|
||||||
|
|
||||||
|
case 0x8d69a19b:
|
||||||
|
case 0xcc2fd441:
|
||||||
|
case 0xa81582e2:
|
||||||
|
case 0xdbbeeb61:
|
||||||
|
INFO_LOG_FMT(DSPHLE, "CRC {:08x}: ASnd chosen (Homebrew)", crc);
|
||||||
|
return std::make_unique<ASndUCode>(dsphle, crc);
|
||||||
|
|
||||||
default:
|
default:
|
||||||
if (wii)
|
if (wii)
|
||||||
{
|
{
|
||||||
|
|
|
||||||
|
|
@ -236,6 +236,7 @@
|
||||||
<ClInclude Include="Core\HW\DSP.h" />
|
<ClInclude Include="Core\HW\DSP.h" />
|
||||||
<ClInclude Include="Core\HW\DSPHLE\DSPHLE.h" />
|
<ClInclude Include="Core\HW\DSPHLE\DSPHLE.h" />
|
||||||
<ClInclude Include="Core\HW\DSPHLE\MailHandler.h" />
|
<ClInclude Include="Core\HW\DSPHLE\MailHandler.h" />
|
||||||
|
<ClInclude Include="Core\HW\DSPHLE\UCodes\ASnd.h" />
|
||||||
<ClInclude Include="Core\HW\DSPHLE\UCodes\AX.h" />
|
<ClInclude Include="Core\HW\DSPHLE\UCodes\AX.h" />
|
||||||
<ClInclude Include="Core\HW\DSPHLE\UCodes\AXStructs.h" />
|
<ClInclude Include="Core\HW\DSPHLE\UCodes\AXStructs.h" />
|
||||||
<ClInclude Include="Core\HW\DSPHLE\UCodes\AXVoice.h" />
|
<ClInclude Include="Core\HW\DSPHLE\UCodes\AXVoice.h" />
|
||||||
|
|
@ -836,6 +837,7 @@
|
||||||
<ClCompile Include="Core\HW\DSP.cpp" />
|
<ClCompile Include="Core\HW\DSP.cpp" />
|
||||||
<ClCompile Include="Core\HW\DSPHLE\DSPHLE.cpp" />
|
<ClCompile Include="Core\HW\DSPHLE\DSPHLE.cpp" />
|
||||||
<ClCompile Include="Core\HW\DSPHLE\MailHandler.cpp" />
|
<ClCompile Include="Core\HW\DSPHLE\MailHandler.cpp" />
|
||||||
|
<ClCompile Include="Core\HW\DSPHLE\UCodes\ASnd.cpp" />
|
||||||
<ClCompile Include="Core\HW\DSPHLE\UCodes\AX.cpp" />
|
<ClCompile Include="Core\HW\DSPHLE\UCodes\AX.cpp" />
|
||||||
<ClCompile Include="Core\HW\DSPHLE\UCodes\AXWii.cpp" />
|
<ClCompile Include="Core\HW\DSPHLE\UCodes\AXWii.cpp" />
|
||||||
<ClCompile Include="Core\HW\DSPHLE\UCodes\CARD.cpp" />
|
<ClCompile Include="Core\HW\DSPHLE\UCodes\CARD.cpp" />
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue