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Adds a target for audio writes.

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This commit is contained in:
Thomas Harte 2021-11-09 07:11:23 -05:00
parent eeaccb8ac0
commit 7be3578497
5 changed files with 102 additions and 12 deletions
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27
Machines/Amiga/Audio.cpp Normal file
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@ -0,0 +1,27 @@
//
// Audio.cpp
// Clock Signal
//
// Created by Thomas Harte on 09/11/2021.
// Copyright © 2021 Thomas Harte. All rights reserved.
//
#include "Audio.hpp"
using namespace Amiga;
bool Audio::advance(int) {
return false;
}
void Audio::set_length(int, uint16_t) {
}
void Audio::set_period(int, uint16_t) {
}
void Audio::set_volume(int, uint16_t) {
}
void Audio::set_data(int, uint16_t) {
}

30
Machines/Amiga/Audio.hpp Normal file
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@ -0,0 +1,30 @@
//
// Audio.hpp
// Clock Signal
//
// Created by Thomas Harte on 09/11/2021.
// Copyright © 2021 Thomas Harte. All rights reserved.
//
#ifndef Audio_hpp
#define Audio_hpp
#include "DMADevice.hpp"
namespace Amiga {
class Audio: public DMADevice<4> {
public:
using DMADevice::DMADevice;
bool advance(int channel);
void set_length(int, uint16_t);
void set_period(int, uint16_t);
void set_volume(int, uint16_t);
void set_data(int, uint16_t);
};
}
#endif /* Audio_hpp */

44
Machines/Amiga/Chipset.cpp
View File

@ -73,6 +73,7 @@ Chipset::Chipset(MemoryMap &map, int input_clock_rate) :
},
bitplanes_(DMA_CONSTRUCT),
copper_(DMA_CONSTRUCT),
audio_(DMA_CONSTRUCT),
crt_(908, 4, Outputs::Display::Type::PAL50, Outputs::Display::InputDataType::Red4Green4Blue4),
cia_a_handler_(map, disk_controller_, mouse_),
cia_b_handler_(disk_controller_),
@ -316,6 +317,12 @@ void Chipset::flush_output() {
/// @returns @c true if this was a CPU slot; @c false otherwise.
template <int cycle, bool stop_if_cpu> bool Chipset::perform_cycle() {
constexpr uint16_t AudioFlags[] = {
DMAMask<DMAFlag::AudioChannel0, DMAFlag::AllBelow>::value,
DMAMask<DMAFlag::AudioChannel1, DMAFlag::AllBelow>::value,
DMAMask<DMAFlag::AudioChannel2, DMAFlag::AllBelow>::value,
DMAMask<DMAFlag::AudioChannel3, DMAFlag::AllBelow>::value,
};
constexpr auto BlitterFlag = DMAMask<DMAFlag::Blitter, DMAFlag::AllBelow>::value;
constexpr auto BitplaneFlag = DMAMask<DMAFlag::Bitplane, DMAFlag::AllBelow>::value;
constexpr auto CopperFlag = DMAMask<DMAFlag::Copper, DMAFlag::AllBelow>::value;
@ -358,7 +365,16 @@ template <int cycle, bool stop_if_cpu> bool Chipset::perform_cycle() {
}
}
if constexpr(cycle >= 0x15 && cycle < 0x35) {
if constexpr (cycle >= 0xd && cycle < 0x14) {
constexpr auto channel = (cycle - 0xd) >> 1;
if((dma_control_ & AudioFlags[channel]) == AudioFlags[channel]) {
if(audio_.advance(channel)) {
return false;
}
}
}
if constexpr (cycle >= 0x15 && cycle < 0x35) {
if((dma_control_ & SpritesFlag) == SpritesFlag) {
constexpr auto sprite_id = (cycle - 0x15) >> 2;
if(sprites_[sprite_id].advance(y_)) {
@ -850,17 +866,21 @@ void Chipset::perform(const CPU::MC68000::Microcycle &cycle) {
case Write(0x072): blitter_.set_data(1, cycle.value16()); break;
case Write(0x074): blitter_.set_data(0, cycle.value16()); break;
// Paula.
case Write(0x0a0): case Write(0x0a2): case Write(0x0a4): case Write(0x0a6):
case Write(0x0a8): case Write(0x0aa):
case Write(0x0b0): case Write(0x0b2): case Write(0x0b4): case Write(0x0b6):
case Write(0x0b8): case Write(0x0ba):
case Write(0x0c0): case Write(0x0c2): case Write(0x0c4): case Write(0x0c6):
case Write(0x0c8): case Write(0x0ca):
case Write(0x0d0): case Write(0x0d2): case Write(0x0d4): case Write(0x0d6):
case Write(0x0d8): case Write(0x0da):
LOG("TODO: Paula write " << PADHEX(2) << (*cycle.address & 0xff) << " " << PADHEX(4) << cycle.value16());
break;
// Audio.
#define Audio(index, pointer) \
case Write(pointer + 0): audio_.set_pointer<index, 16>(cycle.value16()); break; \
case Write(pointer + 2): audio_.set_pointer<index, 0>(cycle.value16()); break; \
case Write(pointer + 4): audio_.set_length(index, cycle.value16()); break; \
case Write(pointer + 6): audio_.set_period(index, cycle.value16()); break; \
case Write(pointer + 8): audio_.set_volume(index, cycle.value16()); break; \
case Write(pointer + 10): audio_.set_data(index, cycle.value16()); break; \
Audio(0, 0x0a0);
Audio(1, 0x0b0);
Audio(2, 0x0c0);
Audio(3, 0x0d0);
#undef Audio
// Copper.
case Write(0x02e): copper_.set_control(cycle.value16()); break; // COPCON

5
Machines/Amiga/Chipset.hpp
View File

@ -24,6 +24,7 @@
#include "../../Storage/Disk/Controller/DiskController.hpp"
#include "../../Storage/Disk/Drive.hpp"
#include "Audio.hpp"
#include "Blitter.hpp"
#include "Copper.hpp"
#include "DMADevice.hpp"
@ -305,6 +306,10 @@ class Chipset: private ClockingHint::Observer {
Copper copper_;
// MARK: - Audio.
Audio audio_;
// MARK: - Serial port.
class SerialPort {

8
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
View File

@ -182,6 +182,8 @@
4B1EC716255398B000A1F44B /* Sound.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B1EC714255398B000A1F44B /* Sound.cpp */; };
4B1EC717255398B000A1F44B /* Sound.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B1EC714255398B000A1F44B /* Sound.cpp */; };
4B1EDB451E39A0AC009D6819 /* chip.png in Resources */ = {isa = PBXBuildFile; fileRef = 4B1EDB431E39A0AC009D6819 /* chip.png */; };
4B2130E2273A7A0A008A77B4 /* Audio.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B2130E0273A7A0A008A77B4 /* Audio.cpp */; };
4B2130E3273A7A0A008A77B4 /* Audio.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B2130E0273A7A0A008A77B4 /* Audio.cpp */; };
4B228CD524D773B40077EF25 /* CSScanTarget.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4B228CD424D773B30077EF25 /* CSScanTarget.mm */; };
4B228CD924DA12C60077EF25 /* CSScanTargetView.m in Sources */ = {isa = PBXBuildFile; fileRef = 4B228CD824DA12C60077EF25 /* CSScanTargetView.m */; };
4B228CDB24DA41890077EF25 /* ScanTarget.metal in Sources */ = {isa = PBXBuildFile; fileRef = 4B228CDA24DA41880077EF25 /* ScanTarget.metal */; };
@ -1183,6 +1185,8 @@
4B1EC714255398B000A1F44B /* Sound.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = Sound.cpp; sourceTree = "<group>"; };
4B1EC715255398B000A1F44B /* Sound.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Sound.hpp; sourceTree = "<group>"; };
4B1EDB431E39A0AC009D6819 /* chip.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = chip.png; sourceTree = "<group>"; };
4B2130E0273A7A0A008A77B4 /* Audio.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = Audio.cpp; sourceTree = "<group>"; };
4B2130E1273A7A0A008A77B4 /* Audio.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Audio.hpp; sourceTree = "<group>"; };
4B228CD424D773B30077EF25 /* CSScanTarget.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = CSScanTarget.mm; sourceTree = "<group>"; };
4B228CD624D773CA0077EF25 /* CSScanTarget.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = CSScanTarget.h; sourceTree = "<group>"; };
4B228CD724DA12C50077EF25 /* CSScanTargetView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CSScanTargetView.h; sourceTree = "<group>"; };
@ -4301,12 +4305,14 @@
isa = PBXGroup;
children = (
4BC080D826A25ADA00D03FD8 /* Amiga.cpp */,
4B2130E0273A7A0A008A77B4 /* Audio.cpp */,
4B9EC0E126AA27BA0060A31F /* Blitter.cpp */,
4B9EC0E426AA4A660060A31F /* Chipset.cpp */,
4BC6236C26F4235400F83DFE /* Copper.cpp */,
4B1A1B1C27320FBB00119335 /* Disk.cpp */,
4B9EC0E826B384080060A31F /* Keyboard.cpp */,
4BC080D726A25ADA00D03FD8 /* Amiga.hpp */,
4B2130E1273A7A0A008A77B4 /* Audio.hpp */,
4B9EC0E026AA260C0060A31F /* Blitter.hpp */,
4B9EC0E526AA4A660060A31F /* Chipset.hpp */,
4BC6236B26F4224300F83DFE /* Copper.hpp */,
@ -5477,6 +5483,7 @@
4BE0A3EF237BB170002AB46F /* ST.cpp in Sources */,
4B055A971FAE85BB0060FFFF /* ZX8081.cpp in Sources */,
4B055AAD1FAE85FD0060FFFF /* PCMTrack.cpp in Sources */,
4B2130E3273A7A0A008A77B4 /* Audio.cpp in Sources */,
4BD67DD1209BF27B00AB2146 /* Encoder.cpp in Sources */,
4BE2121A253FCE9C00435408 /* AppleIIgs.cpp in Sources */,
4B051CAD26783E2000CA44E8 /* Nick.cpp in Sources */,
@ -5593,6 +5600,7 @@
4B89453C201967B4007DE474 /* StaticAnalyser.cpp in Sources */,
4B595FAD2086DFBA0083CAA8 /* AudioToggle.cpp in Sources */,
4B2E86BE25D74F160024F1E9 /* Mouse.cpp in Sources */,
4B2130E2273A7A0A008A77B4 /* Audio.cpp in Sources */,
4B643F3F1D77B88000D431D6 /* DocumentController.swift in Sources */,
4BDA00E422E663B900AC3CD0 /* NSData+CRC32.m in Sources */,
4B9EC0E626AA4A660060A31F /* Chipset.cpp in Sources */,