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1115 lines (902 loc) · 34.4 KB
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/*
This file is part of libswirl
*/
#include "license/bsd"
// libswirl.cpp: this is not nullDC anymore. Not that anyone has noticed.
//
//initialse Emu
#include "types.h"
#include "libswirl.h"
#include "oslib/oslib.h"
#include "oslib/audiostream.h"
#include "hw/mem/_vmem.h"
#include "stdclass.h"
#include "cfg/cfg.h"
#include "hw/maple/maple_cfg.h"
#include "hw/sh4/sh4_mem.h"
#include "hw/sh4/dyna/ngen.h"
#include "hw/naomi/naomi_cart.h"
#include "reios/reios.h"
#include "hw/sh4/sh4_sched.h"
#include "hw/pvr/Renderer_if.h"
#include "hw/pvr/spg.h"
#include "hw/aica/dsp.h"
// #include "gui/gui.h"
// #include "gui/gui_renderer.h"
#include "profiler/profiler.h"
#include "input/gamepad_device.h"
// #include "rend/TexCache.h"
#include "hw/gdrom/gdromv3.h"
#include "hw/maple/maple_if.h"
#include "hw/modem/modem.h"
#include "hw/bba/bba.h"
#include "hw/holly/holly_intc.h"
#include "hw/aica/aica_mmio.h"
#include "hw/arm7/SoundCPU.h"
#include "hw/pvr/ta_ring.h"
#define fault_printf(...)
#ifdef SCRIPTING
// #include "scripting/lua_bindings.h"
#endif
unique_ptr<VirtualDreamcast> virtualDreamcast;
unique_ptr<GDRomDisc> g_GDRDisc;
void LoadCustom();
settings_t settings;
// Set if game has corresponding option by default, so that it's not saved in the config
static bool rtt_to_buffer_game;
static bool safemode_game;
static bool tr_poly_depth_mask_game;
static bool extra_depth_game;
MMIODevice* Create_BiosDevice();
MMIODevice* Create_FlashDevice();
MMIODevice* Create_NaomiDevice(SuperH4Mmr* sh4mmr, SystemBus* sb, ASIC* asic);
SystemBus* Create_SystemBus();
MMIODevice* Create_PVRDevice(SuperH4Mmr* sh4mmr, SystemBus* sb, ASIC* asic, SPG* spg, u8* mram, u8* vram);
MMIODevice* Create_ExtDevice_006();
MMIODevice* Create_ExtDevice_010();
#if HOST_OS==OS_WINDOWS
#include <windows.h>
#endif
/**
* cpu_features_get_time_usec:
*
* Gets time in microseconds.
*
* Returns: time in microseconds.
**/
int64_t get_time_usec(void)
{
#if HOST_OS==OS_WINDOWS
static LARGE_INTEGER freq;
LARGE_INTEGER count;
/* Frequency is guaranteed to not change. */
if (!freq.QuadPart && !QueryPerformanceFrequency(&freq))
return 0;
if (!QueryPerformanceCounter(&count))
return 0;
return count.QuadPart * 1000000 / freq.QuadPart;
#elif HOST_OS==OS_XIL_BARE
verify(false); // TODO
return 0;
#elif defined(_POSIX_MONOTONIC_CLOCK) || defined(__QNX__) || defined(ANDROID) || defined(__MACH__) || HOST_OS==OS_LINUX
struct timespec tv = { 0 };
if (clock_gettime(CLOCK_MONOTONIC, &tv) < 0)
return 0;
return tv.tv_sec * INT64_C(1000000) + (tv.tv_nsec + 500) / 1000;
#elif defined(EMSCRIPTEN)
return emscripten_get_now() * 1000;
#elif defined(__mips__) || defined(DJGPP)
struct timeval tv;
gettimeofday(&tv, NULL);
return (1000000 * tv.tv_sec + tv.tv_usec);
#else
#error "Your platform does not have a timer function implemented in cpu_features_get_time_usec(). Cannot continue."
#endif
}
int GetFile(char* szFileName)
{
cfgLoadStr("config", "image", szFileName, "");
return stricmp(szFileName, "nodisk") != 0;
}
s32 plugins_Init()
{
#ifndef TARGET_DISPFRAME
g_GDRDisc.reset(GDRomDisc::Create());
if (s32 rv = g_GDRDisc->Init())
return rv;
#endif
return rv_ok;
}
void plugins_Term()
{
g_GDRDisc.reset();
}
void plugins_Reset(bool Manual)
{
reios_reset();
g_GDRDisc->Reset(Manual);
//libExtDevice_Reset(Manual);
}
void LoadSpecialSettings()
{
#if DC_PLATFORM == DC_PLATFORM_DREAMCAST
printf("Game ID is [%s]\n", reios_product_number);
// Pro Pinball Trilogy
if (!strncmp("T30701D", reios_product_number, 7)
// Demolition Racer
|| !strncmp("T15112N", reios_product_number, 7)
// Star Wars - Episode I - Racer (United Kingdom)
|| !strncmp("T23001D", reios_product_number, 7)
// Star Wars - Episode I - Racer (USA)
|| !strncmp("T23001N", reios_product_number, 7)
// Record of Lodoss War (EU)
|| !strncmp("T7012D", reios_product_number, 6)
// Record of Lodoss War (USA)
|| !strncmp("T40218N", reios_product_number, 7)
// Surf Rocket Racers
|| !strncmp("T40216N", reios_product_number, 7))
{
printf("Disabling div1_som for game %s\n", reios_product_number);
settings.dynarec.opt_div1_som = 0;
safemode_game = true;
}
#elif DC_PLATFORM == DC_PLATFORM_NAOMI || DC_PLATFORM == DC_PLATFORM_ATOMISWAVE
printf("Game ID is [%s]\n", naomi_game_id);
if (!strcmp("METAL SLUG 6", naomi_game_id) || !strcmp("WAVE RUNNER GP", naomi_game_id))
{
printf("Enabling Dynarec safe mode for game %s\n", naomi_game_id);
settings.dynarec.safemode = 1;
safemode_game = true;
}
if (!strcmp("SAMURAI SPIRITS 6", naomi_game_id))
{
printf("Enabling Extra depth scaling for game %s\n", naomi_game_id);
settings.rend.ExtraDepthScale = 1e26;
extra_depth_game = true;
}
if (!strcmp("DYNAMIC GOLF", naomi_game_id)
|| !strcmp("SHOOTOUT POOL", naomi_game_id)
|| !strcmp("OUTTRIGGER JAPAN", naomi_game_id)
|| !strcmp("CRACKIN'DJ ver JAPAN", naomi_game_id)
|| !strcmp("CRACKIN'DJ PART2 ver JAPAN", naomi_game_id)
|| !strcmp("KICK '4' CASH", naomi_game_id))
{
printf("Enabling JVS rotary encoders for game %s\n", naomi_game_id);
settings.input.JammaSetup = 2;
}
else if (!strcmp("POWER STONE 2 JAPAN", naomi_game_id) // Naomi
|| !strcmp("GUILTY GEAR isuka", naomi_game_id)) // AW
{
printf("Enabling 4-player setup for game %s\n", naomi_game_id);
settings.input.JammaSetup = 1;
}
else if (!strcmp("SEGA MARINE FISHING JAPAN", naomi_game_id)
|| !strcmp(naomi_game_id, "BASS FISHING SIMULATOR VER.A")) // AW
{
printf("Enabling specific JVS setup for game %s\n", naomi_game_id);
settings.input.JammaSetup = 3;
}
else if (!strcmp("RINGOUT 4X4 JAPAN", naomi_game_id))
{
printf("Enabling specific JVS setup for game %s\n", naomi_game_id);
settings.input.JammaSetup = 4;
}
else if (!strcmp("NINJA ASSAULT", naomi_game_id)
|| !strcmp(naomi_game_id, "Sports Shooting USA") // AW
|| !strcmp(naomi_game_id, "SEGA CLAY CHALLENGE")) // AW
{
printf("Enabling lightgun setup for game %s\n", naomi_game_id);
settings.input.JammaSetup = 5;
}
else if (!strcmp(" BIOHAZARD GUN SURVIVOR2", naomi_game_id))
{
printf("Enabling specific JVS setup for game %s\n", naomi_game_id);
settings.input.JammaSetup = 7;
}
if (!strcmp("COSMIC SMASH IN JAPAN", naomi_game_id))
{
printf("Enabling translucent depth multipass for game %s\n", naomi_game_id);
settings.rend.TranslucentPolygonDepthMask = true;
tr_poly_depth_mask_game = true;
}
#endif
}
void InitSettings()
{
settings.dynarec.Enable = true;
settings.dynarec.idleskip = true;
settings.dynarec.opt_cyclecheck_backwards_only = false;
settings.dynarec.opt_div1_som = true;
settings.dynarec.opt_sqw_on_pref = false;
settings.dynarec.opt_sqw_rewrite = false;
settings.dynarec.opt_constprop = 1;
settings.dynarec.opt_readm_pairs = 0;
settings.dynarec.opt_fipr_w = 1;
settings.dynarec.ScpuEnable = true;
settings.dynarec.DspEnable = true;
settings.dynarec.SmcCheckLevel = FullCheck;
settings.dreamcast.cable = 3; // TV composite
settings.dreamcast.region = 3; // default
settings.dreamcast.broadcast = 4; // default
settings.dreamcast.language = 6; // default
settings.dreamcast.FullMMU = false;
settings.aica.LimitFPS = true;
settings.aica.NoBatch = false; // This also controls the DSP. Disabled by default
settings.aica.NoSound = false;
settings.pvr.MultithreadedTA = 0;
settings.pvr.FPSTarget = 66;
settings.polly2.AutoReset = true;
settings.polly2.DumpOnLockup = false;
settings.polly2.ClockSel = 0; // Default to no OC
settings.gdrom.async_dma = true;
settings.freerunning = false;
settings.debug.SerialConsole = false;
settings.debug.VirtualSerialPort = false;
settings.debug.VirtualSerialPortFile = "";
settings.bios.UseReios = 0;
settings.reios.ElfFile = "";
settings.input.MouseSensitivity = 100;
settings.input.JammaSetup = 0;
settings.input.VirtualGamepadVibration = 20;
for (int i = 0; i < MAPLE_PORTS; i++)
{
settings.input.maple_devices[i] = i == 0 ? MDT_SegaController : MDT_None;
settings.input.maple_expansion_devices[i][0] = i == 0 ? MDT_SegaVMU : MDT_None;
settings.input.maple_expansion_devices[i][1] = i == 0 ? MDT_SegaVMU : MDT_None;
}
#if SUPPORT_DISPMANX
settings.dispmanx.Width = 640;
settings.dispmanx.Height = 480;
settings.dispmanx.Keep_Aspect = true;
#endif
}
void LoadSettings(bool game_specific)
{
const char* config_section = game_specific ? cfgGetGameId() : "config";
const char* input_section = game_specific ? cfgGetGameId() : "input";
const char* audio_section = game_specific ? cfgGetGameId() : "audio";
settings.dynarec.Enable = cfgLoadBool(config_section, "Dynarec.Enabled", settings.dynarec.Enable);
settings.dynarec.idleskip = cfgLoadBool(config_section, "Dynarec.idleskip", settings.dynarec.idleskip);
settings.dynarec.opt_cyclecheck_backwards_only = cfgLoadBool(config_section, "Dynarec.opt_cyclecheck_backwards_only", settings.dynarec.opt_cyclecheck_backwards_only);
settings.dynarec.opt_div1_som = cfgLoadBool(config_section, "Dynarec.opt_div1_som", settings.dynarec.opt_div1_som);
settings.dynarec.opt_sqw_on_pref = cfgLoadBool(config_section, "Dynarec.opt_sqw_on_pref", settings.dynarec.opt_sqw_on_pref);
settings.dynarec.opt_sqw_rewrite = cfgLoadBool(config_section, "Dynarec.opt_sqw_rewrite", settings.dynarec.opt_sqw_rewrite);
settings.dynarec.opt_constprop = cfgLoadInt(config_section, "Dynarec.opt_constprop", settings.dynarec.opt_constprop);
settings.dynarec.opt_readm_pairs = cfgLoadBool(config_section, "Dynarec.opt_readm_pairs", settings.dynarec.opt_readm_pairs);
settings.dynarec.opt_fipr_w = cfgLoadBool(config_section, "Dynarec.opt_fipr_w", settings.dynarec.opt_fipr_w);
settings.dynarec.SmcCheckLevel = (SmcCheckEnum)cfgLoadInt(config_section, "Dynarec.SmcCheckLevel", settings.dynarec.SmcCheckLevel);
settings.dynarec.ScpuEnable = cfgLoadInt(config_section, "Dynarec.ScpuEnabled", settings.dynarec.ScpuEnable);
settings.dynarec.DspEnable = cfgLoadInt(config_section, "Dynarec.DspEnabled", settings.dynarec.DspEnable);
//disable_nvmem can't be loaded, because nvmem init is before cfg load
settings.dreamcast.cable = cfgLoadInt(config_section, "Dreamcast.Cable", settings.dreamcast.cable);
settings.dreamcast.region = cfgLoadInt(config_section, "Dreamcast.Region", settings.dreamcast.region);
settings.dreamcast.broadcast = cfgLoadInt(config_section, "Dreamcast.Broadcast", settings.dreamcast.broadcast);
settings.dreamcast.language = cfgLoadInt(config_section, "Dreamcast.Language", settings.dreamcast.language);
settings.dreamcast.FullMMU = cfgLoadBool(config_section, "Dreamcast.FullMMU", settings.dreamcast.FullMMU);
settings.aica.LimitFPS = cfgLoadBool(config_section, "aica.LimitFPS", settings.aica.LimitFPS);
settings.aica.NoBatch = cfgLoadBool(config_section, "aica.NoBatch", settings.aica.NoBatch);
settings.aica.NoSound = cfgLoadBool(config_section, "aica.NoSound", settings.aica.NoSound);
settings.pvr.MultithreadedTA = cfgLoadInt(config_section, "pvr.MultithreadedTA", settings.pvr.MultithreadedTA);
settings.pvr.FPSTarget = cfgLoadInt(config_section, "pvr.FPSTarget", settings.pvr.FPSTarget);
settings.polly2.AutoReset = cfgLoadBool(config_section, "polly2.AutoReset", settings.polly2.AutoReset);
settings.polly2.DumpOnLockup = cfgLoadBool(config_section, "polly2.DumpOnLockup", settings.polly2.DumpOnLockup);
settings.polly2.ClockSel = cfgLoadInt(config_section, "polly2.ClockSel", settings.polly2.ClockSel);
settings.gdrom.async_dma = cfgLoadBool(config_section, "gdrom.AsyncDMA", settings.gdrom.async_dma);
settings.freerunning = cfgLoadBool(config_section, "Freerunning", settings.freerunning);
settings.debug.SerialConsole = cfgLoadBool(config_section, "Debug.SerialConsoleEnabled", settings.debug.SerialConsole);
settings.debug.VirtualSerialPort = cfgLoadBool(config_section, "Debug.VirtualSerialPort", settings.debug.VirtualSerialPort);
settings.debug.VirtualSerialPortFile = cfgLoadStr(config_section, "Debug.VirtualSerialPortFile", settings.debug.VirtualSerialPortFile.c_str());
settings.bios.UseReios = cfgLoadBool(config_section, "bios.UseReios", settings.bios.UseReios);
settings.reios.ElfFile = cfgLoadStr(game_specific ? cfgGetGameId() : "reios", "ElfFile", settings.reios.ElfFile.c_str());
settings.input.MouseSensitivity = cfgLoadInt(input_section, "MouseSensitivity", settings.input.MouseSensitivity);
settings.input.JammaSetup = cfgLoadInt(input_section, "JammaSetup", settings.input.JammaSetup);
settings.input.VirtualGamepadVibration = cfgLoadInt(input_section, "VirtualGamepadVibration", settings.input.VirtualGamepadVibration);
for (int i = 0; i < MAPLE_PORTS; i++)
{
char device_name[32];
sprintf(device_name, "device%d", i + 1);
settings.input.maple_devices[i] = (MapleDeviceType)cfgLoadInt(input_section, device_name, settings.input.maple_devices[i]);
sprintf(device_name, "device%d.1", i + 1);
settings.input.maple_expansion_devices[i][0] = (MapleDeviceType)cfgLoadInt(input_section, device_name, settings.input.maple_expansion_devices[i][0]);
sprintf(device_name, "device%d.2", i + 1);
settings.input.maple_expansion_devices[i][1] = (MapleDeviceType)cfgLoadInt(input_section, device_name, settings.input.maple_expansion_devices[i][1]);
}
if (!game_specific)
{
settings.dreamcast.ContentPath.clear();
std::string paths = cfgLoadStr(config_section, "Dreamcast.ContentPath", "");
std::string::size_type start = 0;
while (true)
{
std::string::size_type end = paths.find(';', start);
if (end == std::string::npos)
end = paths.size();
if (start != end)
settings.dreamcast.ContentPath.push_back(paths.substr(start, end - start));
if (end == paths.size())
break;
start = end + 1;
}
}
/*
//make sure values are valid
settings.dreamcast.cable = min(max(settings.dreamcast.cable, 0),3);
settings.dreamcast.region = min(max(settings.dreamcast.region, 0),3);
settings.dreamcast.broadcast = min(max(settings.dreamcast.broadcast,0),4);
*/
}
void LoadCustom()
{
#if DC_PLATFORM == DC_PLATFORM_DREAMCAST
char* reios_id = reios_disk_id();
char* p = reios_id + strlen(reios_id) - 1;
while (p >= reios_id && *p == ' ')
* p-- = '\0';
if (*p == '\0')
return;
#elif DC_PLATFORM == DC_PLATFORM_NAOMI || DC_PLATFORM == DC_PLATFORM_ATOMISWAVE
char* reios_id = naomi_game_id;
char* reios_software_name = naomi_game_id;
#endif
// Default per-game settings
LoadSpecialSettings();
cfgSetGameId(reios_id);
// Reload per-game settings
LoadSettings(true);
}
void SaveSettings()
{
cfgSaveBool("config", "Dynarec.Enabled", settings.dynarec.Enable);
cfgSaveInt("config", "Dynarec.ScpuEnabled", settings.dynarec.ScpuEnable);
cfgSaveInt("config", "Dynarec.DspEnabled", settings.dynarec.DspEnable);
cfgSaveInt("config", "Dreamcast.Cable", settings.dreamcast.cable);
cfgSaveInt("config", "Dreamcast.Region", settings.dreamcast.region);
cfgSaveInt("config", "Dreamcast.Broadcast", settings.dreamcast.broadcast);
cfgSaveBool("config", "Dreamcast.FullMMU", settings.dreamcast.FullMMU);
cfgSaveBool("config", "Dynarec.idleskip", settings.dynarec.idleskip);
cfgSaveBool("config", "Dynarec.opt_cyclecheck_backwards_only", settings.dynarec.opt_cyclecheck_backwards_only);
cfgSaveBool("config", "Dynarec.opt_div1_som", settings.dynarec.opt_div1_som);
cfgSaveBool("config", "Dynarec.opt_sqw_on_pref", settings.dynarec.opt_sqw_on_pref);
cfgSaveBool("config", "Dynarec.opt_sqw_rewrite", settings.dynarec.opt_sqw_rewrite);
cfgSaveInt("config", "Dynarec.opt_constprop", settings.dynarec.opt_constprop);
cfgSaveBool("config", "Dynarec.opt_readm_pairs", settings.dynarec.opt_readm_pairs);
cfgSaveBool("config", "Dynarec.opt_fipr_w", settings.dynarec.opt_fipr_w);
cfgSaveInt("config", "Dynarec.SmcCheckLevel", (int)settings.dynarec.SmcCheckLevel);
cfgSaveInt("config", "Dreamcast.Language", settings.dreamcast.language);
cfgSaveBool("config", "aica.LimitFPS", settings.aica.LimitFPS);
cfgSaveBool("config", "aica.NoBatch", settings.aica.NoBatch);
cfgSaveBool("config", "aica.NoSound", settings.aica.NoSound);
cfgSaveInt("config", "pvr.MultithreadedTA", settings.pvr.MultithreadedTA);
cfgSaveInt("config", "pvr.FPSTarget", settings.pvr.FPSTarget);
cfgSaveBool("config", "polly2.AutoReset", settings.polly2.AutoReset);
cfgSaveBool("config", "polly2.DumpOnLockup", settings.polly2.DumpOnLockup);
cfgSaveInt("config", "polly2.ClockSel", settings.polly2.ClockSel);
cfgSaveBool("config", "gdrom.AsyncDMA", settings.gdrom.async_dma);
cfgSaveBool("config", "Freerunning", settings.freerunning);
cfgSaveBool("config", "Debug.SerialConsoleEnabled", settings.debug.SerialConsole);
cfgSaveBool("config", "Debug.VirtualSerialPort", settings.debug.VirtualSerialPort);
cfgSaveStr("config", "Debug.VirtualSerialPortFile", settings.debug.VirtualSerialPortFile.c_str());
cfgSaveInt("input", "MouseSensitivity", settings.input.MouseSensitivity);
cfgSaveInt("input", "VirtualGamepadVibration", settings.input.VirtualGamepadVibration);
for (int i = 0; i < MAPLE_PORTS; i++)
{
char device_name[32];
sprintf(device_name, "device%d", i + 1);
cfgSaveInt("input", device_name, (s32)settings.input.maple_devices[i]);
sprintf(device_name, "device%d.1", i + 1);
cfgSaveInt("input", device_name, (s32)settings.input.maple_expansion_devices[i][0]);
sprintf(device_name, "device%d.2", i + 1);
cfgSaveInt("input", device_name, (s32)settings.input.maple_expansion_devices[i][1]);
}
// FIXME This should never be a game-specific setting
std::string paths;
for (auto path : settings.dreamcast.ContentPath)
{
if (!paths.empty())
paths += ";";
paths += path;
}
cfgSaveStr("config", "Dreamcast.ContentPath", paths.c_str());
// GamepadDevice::SaveMaplePorts();
#ifdef _ANDROID
void SaveAndroidSettings();
SaveAndroidSettings();
#endif
}
static bool reset_requested;
void libswirl_init() {
InitSettings();
LoadSettings(false);
}
void libswirl_loop(const char* game) {
virtualDreamcast.reset(VirtualDreamcast::Create());
virtualDreamcast->Init();
int rc = virtualDreamcast->StartGame(game);
if (rc >= 0)
virtualDreamcast->MainLoop();
}
/*
int reicast_init(int argc, char* argv[])
{
#ifdef _WIN32
setbuf(stdout, 0);
setbuf(stderr, 0);
#endif
// TODO: Move vmem_reserve back here
if (ParseCommandLine(argc, argv))
{
return 69;
}
printf("Config dir is: %s\n", get_writable_config_path("/").c_str());
printf("Data dir is: %s\n", get_writable_data_path("/").c_str());
InitSettings();
bool showOnboarding = false;
if (!cfgOpen())
{
printf("Config directory is not set. Starting onboarding\n");
showOnboarding = true;
}
else
LoadSettings(false);
#if BUILD_RETROARCH_CORE == 0
os_CreateWindow();
#endif
os_SetupInput();
g_GUI.reset(GUI::Create());
g_GUI->Init();
#if BUILD_RETROARCH_CORE == 0
g_GUIRenderer.reset(GUIRenderer::Create(g_GUI.get()));
#endif
if (showOnboarding)
g_GUI->OpenOnboarding();
return 0;
}
void reicast_ui_loop() {
g_GUIRenderer->UILoop();
}
void reicast_term() {
g_GUIRenderer.reset();
g_GUI.reset();
}
*/
//General update
//3584 Cycles
#define AICA_SAMPLE_GCM 441
#define AICA_SAMPLE_CYCLES (SH4_MAIN_CLOCK/(44100/AICA_SAMPLE_GCM)*32)
//14336 Cycles
const int AICA_TICK = 145124;
struct Dreamcast_impl : VirtualDreamcast {
unique_ptr<AicaContext> aica_ctx;
unique_ptr<AudioStream> audio_stream;
#if !defined(HOST_NO_THREADS)
cMutex callback_lock;
#endif
function<void()> callback;
int aica_schid = -1;
int ds_schid = -1;
Dreamcast_impl() { }
#ifndef TARGET_DISPFRAME
void MainLoop()
{
// sh4/producer on cpu1 -- linux routes IRQs/softirqs to cpu0 by
// default, and the jit is far more interference-sensitive than the
// spinning ta consumer, which pins itself to cpu0
ta_ring_pin_thread(1);
#if FEAT_HAS_NIXPROF
install_prof_handler(0);
#endif
#ifdef SCRIPTING
luabindings_onstart();
#endif
if (settings.dynarec.Enable && sh4_cpu->setBackend(SH4BE_DYNAREC))
{
printf("Using MCPU Recompiler\n");
}
else
{
sh4_cpu->setBackend(SH4BE_INTERPRETER);
printf("Using MCPU Interpreter\n");
}
auto scpu = sh4_cpu->GetA0H<SoundCPU>(A0H_SCPU);
if (settings.dynarec.ScpuEnable && scpu->setBackend(ARM7BE_DYNAREC))
{
printf("Using SCPU Recompiler\n");
}
else
{
scpu->setBackend(ARM7BE_INTERPRETER);
printf("Using SCPU Interpreter\n");
}
auto dsp = sh4_cpu->GetA0H<DSP>(A0H_DSP);
if (settings.dynarec.DspEnable && dsp->setBackend(DSPBE_DYNAREC))
{
printf("Using DSP Recompiler\n");
}
else
{
dsp->setBackend(DSPBE_INTERPRETER);
printf("Using DSP Interpreter\n");
}
if (!settings.aica.DSPEnabled)
{
printf("DSP is disabled\n");
}
sh4_cpu->Start();
do {
reset_requested = false;
sh4_cpu->Run();
SaveRomFiles(get_writable_data_path(DATA_PATH));
if (reset_requested)
{
virtualDreamcast->Reset();
sh4_cpu->Start();
#ifdef SCRIPTING
luabindings_onreset();
#endif
}
} while (reset_requested);
#ifdef SCRIPTING
luabindings_onstop();
#endif
// g_GUIRenderer->WaitQueueEmpty();
#if !defined(HOST_NO_THREADS)
callback_lock.Lock();
#endif
verify(callback != nullptr);
callback();
callback = nullptr;
#if !defined(HOST_NO_THREADS)
callback_lock.Unlock();
#endif
}
#endif
~Dreamcast_impl() {
Term();
}
int AicaUpdate(int tag, int c, int j)
{
//gpc_counter=0;
//bm_Periodical_14k();
//static int aica_sample_cycles=0;
//aica_sample_cycles+=14336*AICA_SAMPLE_GCM;
//if (aica_sample_cycles>=AICA_SAMPLE_CYCLES)
{
sh4_cpu->GetA0H<SoundCPU>(A0H_SCPU)->Update(512 * 32);
sh4_cpu->GetA0H<AICA>(A0H_AICA)->Update(1 * 32);
//aica_sample_cycles-=AICA_SAMPLE_CYCLES;
}
return AICA_TICK;
}
int DreamcastSecond(int tag, int c, int j)
{
#if 1 //HOST_OS==OS_WINDOWS
prof_periodical();
#endif
#if FEAT_SHREC != DYNAREC_NONE
bm_Periodical_1s();
#endif
//printf("%d ticks\n",sh4_sched_intr);
sh4_sched_intr = 0;
return SH4_MAIN_CLOCK;
}
void Reset()
{
plugins_Reset(false);
mem_Reset(sh4_cpu, false);
sh4_cpu->Reset(false);
sh4_cpu->vram.Zero();
sh4_cpu->aica_ram.Zero();
}
int StartGame(const string& path)
{
cfgSetVirtual("config", "image", path.c_str());
if (settings.bios.UseReios || !LoadRomFiles("/media/fat/games/Dreamcast/")) // get_readonly_data_path(DATA_PATH)
{
#ifdef USE_REIOS
if (!LoadHle(get_readonly_data_path(DATA_PATH)))
{
return -5;
}
else
{
printf("Did not load bios, using reios\n");
}
#else
printf("Cannot find BIOS files\n");
return -5;
#endif
}
rend_init_renderer(sh4_cpu->vram.data);
if (plugins_Init())
return -3;
#if DC_PLATFORM == DC_PLATFORM_NAOMI || DC_PLATFORM == DC_PLATFORM_ATOMISWAVE
if (!naomi_cart_SelectFile())
return -6;
#endif
LoadCustom();
mem_Init(sh4_cpu);
mem_map_default(sh4_cpu);
#if DC_PLATFORM == DC_PLATFORM_NAOMI
mcfg_CreateNAOMIJamma();
#elif DC_PLATFORM == DC_PLATFORM_ATOMISWAVE
mcfg_CreateAtomisWaveControllers();
#endif
Reset();
Resume();
return 0;
}
bool IsRunning()
{
return sh4_cpu && sh4_cpu->IsRunning();
}
bool Init()
{
audio_stream.reset(AudioStream::Create());
audio_stream->InitAudio();
<
1070C
div id="LC783" class="react-file-line html-div" data-testid="code-cell" data-line-number="783" style="position:relative">
sh4_cpu = SuperH4::Create();
if (!_vmem_reserve(&sh4_cpu->mram, &sh4_cpu->vram , &sh4_cpu->aica_ram, INTERNAL_ARAM_SIZE))
{
printf("Failed to alloc mem\n");
return false;
}
auto sh4mmr = SuperH4Mmr::Create(sh4_cpu);
MMIODevice* biosDevice = Create_BiosDevice();
MMIODevice* flashDevice = Create_FlashDevice();
SystemBus* systemBus = Create_SystemBus();
ASIC* asic = Create_ASIC(systemBus);
MMIODevice* gdromOrNaomiDevice =
#if DC_PLATFORM == DC_PLATFORM_NAOMI || DC_PLATFORM == DC_PLATFORM_ATOMISWAVE
Create_NaomiDevice(sh4mmr, systemBus, asic)
#else
Create_GDRomDevice(sh4mmr, systemBus, asic)
#endif
;
SPG* spg = SPG::Create(asic);
if (settings.pvr.MultithreadedTA == TA_MTTA) {
ta_ring_consumer_start(sh4_cpu->vram.data);
} else if (settings.pvr.MultithreadedTA == TA_MTTA_DECOUPLED) {
ta_ring_consumer_start_decoupled(sh4_cpu->vram.data);
}
MMIODevice* pvrDevice = Create_PVRDevice(sh4mmr, systemBus, asic, spg, sh4_cpu->mram.data, sh4_cpu->vram.data);
aica_ctx.reset(AICA::CreateContext());
DSP* dsp = DSP::Create(aica_ctx.get(), sh4_cpu->aica_ram.data, sh4_cpu->aica_ram.size);
AICA* aicaDevice = AICA::Create(audio_stream.get(), systemBus, asic, dsp, aica_ctx.get(), sh4_cpu->aica_ram.data, sh4_cpu->aica_ram.size);
SoundCPU* soundCPU = SoundCPU::Create(aicaDevice, sh4_cpu->aica_ram.data, sh4_cpu->aica_ram.size);
MMIODevice* mapleDevice = Create_MapleDevice(systemBus, asic);
MMIODevice* extDevice_006 =
#if DC_PLATFORM == DC_PLATFORM_DREAMCAST && defined(ENABLE_MODEM)
Create_Modem(asic)
#else
Create_ExtDevice_006()
#endif
;
MMIODevice* extDevice_010 =
#if DC_PLATFORM == DC_PLATFORM_DREAMCAST && defined(ENABLE_BBA)
Create_BBA(asic, CreateNullNetwork());
#else
Create_ExtDevice_010();
#endif
MMIODevice* rtcDevice = AICA::CreateRTC();
sh4_cpu->sh4mmr.reset(sh4mmr);
sh4_cpu->SetA0Handler(A0H_BIOS, biosDevice);
sh4_cpu->SetA0Handler(A0H_FLASH, flashDevice);
sh4_cpu->SetA0Handler(A0H_GDROM, gdromOrNaomiDevice);
sh4_cpu->SetA0Handler(A0H_SB, systemBus);
sh4_cpu->SetA0Handler(A0H_PVR, pvrDevice);
sh4_cpu->SetA0Handler(A0H_EXTDEV_006, extDevice_006);
sh4_cpu->SetA0Handler(A0H_AICA, aicaDevice);
sh4_cpu->SetA0Handler(A0H_RTC, rtcDevice);
sh4_cpu->SetA0Handler(A0H_EXTDEV_010, extDevice_010);
sh4_cpu->SetA0Handler(A0H_MAPLE, mapleDevice);
sh4_cpu->SetA0Handler(A0H_ASIC, asic);
sh4_cpu->SetA0Handler(A0H_SPG, spg);
sh4_cpu->SetA0Handler(A0H_SCPU, soundCPU);
sh4_cpu->SetA0Handler(A0H_DSP, dsp);
#if DC_PLATFORM == DC_PLATFORM_DREAMCAST
mcfg_CreateDevices();
#endif
aica_schid = sh4_sched_register(this, 0, STATIC_FORWARD(Dreamcast_impl, AicaUpdate));
sh4_sched_request(aica_schid, AICA_TICK);
ds_schid = sh4_sched_register(this, 0, STATIC_FORWARD(Dreamcast_impl, DreamcastSecond));
sh4_sched_request(ds_schid, SH4_MAIN_CLOCK);
return sh4_cpu->Init();
}
void Term()
{
sh4_cpu->Term();
#if DC_PLATFORM != DC_PLATFORM_DREAMCAST
naomi_cart_Close();
#endif
plugins_Term();
rend_term_renderer();
_vmem_release(&sh4_cpu->mram, &sh4_cpu->vram, &sh4_cpu->aica_ram);
mcfg_DestroyDevices();
SaveSettings();
delete sh4_cpu;
sh4_cpu = nullptr;
audio_stream->TermAudio();
audio_stream.reset();
}
void Stop(function<void()> callback)
{
verify(sh4_cpu->IsRunning());
#if !defined(HOST_NO_THREADS)
callback_lock.Lock();
#endif
verify(this->callback == nullptr);
this->callback = callback;
#if !defined(HOST_NO_THREADS)
callback_lock.Unlock();
#endif
sh4_cpu->Stop();
}
// Called on the emulator thread for soft reset
void RequestReset()
{
reset_requested = true;
sh4_cpu->Stop();
}
void Resume()
{
verify(!sh4_cpu->IsRunning());
}
void cleanup_serialize(void* data)
{
if (data != NULL)
free(data);
}
string get_savestate_file_path()
{
string state_file = cfgLoadStr("config", "image", "noname.chd");
size_t lastindex = state_file.find_last_of("/");
if (lastindex != -1)
state_file = state_file.substr(lastindex + 1);
lastindex = state_file.find_last_of(".");
if (lastindex != -1)
state_file = state_file.substr(0, lastindex);
state_file = state_file + ".state";
return get_writable_data_path(DATA_PATH) + state_file;
}
void SaveState(){ die("No states"); }
void LoadState(){ die("No states"); }
/*
void SaveState()
{
string filename;
unsigned int total_size = 0;
void* data = NULL;
void* data_ptr = NULL;
FILE* f;
verify(!sh4_cpu->IsRunning());
if (!dc_serialize(&data, &total_size))
{
printf("Failed to save state - could not initialize total size\n");
g_GUI->DisplayNotification("Save state failed", 2000);
cleanup_serialize(data);
return;
}
data = malloc(total_size);
if (data == NULL)
{
printf("Failed to save state - could not malloc %d bytes", total_size);
g_GUI->DisplayNotification("Save state failed - memory full", 2000);
cleanup_serialize(data);
return;
}
data_ptr = data;
if (!dc_serialize(&data_ptr, &total_size))
{
printf("Failed to save state - could not serialize data\n");
g_GUI->DisplayNotification("Save state failed", 2000);
cleanup_serialize(data);
return;
}
filename = get_savestate_file_path();
f = fopen(filename.c_str(), "wb");
if (f == NULL)
{
printf("Failed to save state - could not open %s for writing\n", filename.c_str());
g_GUI->DisplayNotification("Cannot open save file", 2000);
cleanup_serialize(data);
return;
}
fwrite(data, 1, total_size, f);
fclose(f);
cleanup_serialize(data);
printf("Saved state to %s\n size %d", filename.c_str(), total_size);