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bsnes/higan/gb/gb.hpp

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Update to v096r04 release. byuu says: Changelog: - fixed S-DD1 RAM writes (Star Ocean audio fixed) - applied all of the DMG test ROM fixes discussed earlier; passes many more test ROMs now - at least until the GBVideoPlayer is working: for debugging purposes, CPU/PPU single-step now instead of sync just-in-time (~30% slower) - fixed OS X crash on NSTextView (hopefully, would be very odd if not) Unfortunately passing these test ROMs caused my favorite GB/GBC game to break all of its graphics =( Shin Megami Tensei - Devichil - Kuro no Sho (Japan) is all garbled now. I'm really quite bummed by this ... but I guess I'll go through and revert r04's fixes one at a time until I find what's causing it. On the plus side, Astro Rabby is playable now. Still acts weird when pressing B/A on the first screen, but the start button will start the game. EDIT: got it. Shin Megami Tensei - Devichil requires FF4F (VBK) to be readable. Before, it was always returning 0x00. With my return 0xFF patch, that broke. But it should be returning the VBK value, which also fixes it. Also need to handle FF68/FF6A reads. Was really hoping that'd help GBVideoPlayer too, but nope. It doesn't read any of those three registers.
2016-01-11 10:31:30 +00:00
#pragma once
Initial commit of bgameboy v000. The source tarball also included empty obj/ and out/ directories which git does not support. byuu says: Project started, so basically everything is new. It's basically a rough skeleton that mimics bsnes project structure. Eventually the src/gameboy folder will be copied into bsnes-official and used by the chip/supergameboy core. The middleware layer (supergameboy/interface) will be merged into a new chip/icd2 folder that will represent direct Super Game Boy emulation in the future. At least, if all goes according to plan. There is a simple GUI that can load ROMs, but do nothing after it. It's not hooked up to ruby yet. There is a basic system class and interface to expose the video/audio/input functions. There is a basic memory bus that doesn't support any MBCs yet. There is a CPU skeleton that only handles easy read/write access to the CPU registers (AF is a really fucked up register.) The core is not hooked up to libco yet, but I intend for it to be, so that I can run the CPU + LCD how I like. If it turns out the LCD+audio is easily enslavable, then I'll probably drop libco and just run it like a regular emulator, using a thread wrapper around it in bsnes only. We'll see. The CPU doesn't actually support any opcodes, and loading a ROM won't actually execute anything.
2010-12-28 01:53:15 +00:00
Update to v098r02 release. byuu says: Changelog: - SFC: fixed a regression on auto joypad polling due to missing parentheses - SFC: exported new PPU::vdisp() const -> uint; function [1] - SFC: merged PPU MMIO functions into the read/write handles (as I previously did for the CPU) - higan: removed individual emulator core names (bnes, bsnes, bgb, bgba, bws) [2] Forgot: - to remove /tomoko from the about dialog [1] note that technically I was relying on the cached, per-frame overscan setting when the CPU and light guns were polling the number of active display scanlines per frame. This was technically incorrect as you can change this value mid-frame and it'll kick in. I've never seen any game toggle overscan every frame, we only know about this because anomie tested this a long time ago. So, nothing should break, but ... you know how the SNES is. You can't even look at the code without something breaking, so I figured I'd mention it >_> [2] I'll probably keep referring to the SNES core as bsnes anyway. I don't mind if you guys use the b<system> names as shorthand. The simplification is mostly to make the branding easier.
2016-04-09 05:20:41 +00:00
//license: GPLv3
//started: 2010-12-27
Update to v088r08 release. byuu says: From this WIP, I'm starting on the impossible task of a declarative-based GUI, which I'm calling Ethos. base/ becomes emulator/, and we add emulator/interface.hpp, which is a base API that all emulation cores must implement in full. (Right now, it's kind of a hybrid to work with the old GUI and the new GUI at the same time, of course.) Unlike the old interfaces, the new base class also provides all general usability hooks: loading and saving files and states, cheat codes, etc. The new interface also contains information and vector structs to describe all possible loading methods, controller bindings, etc; and gives names for them all. The actual GUI in fact should not include eg <gba/gba.hpp> anymore. Should speed up GUI compilation. So the idea going forward is that ethos will build a list of emulators right when the application starts up. Once you've appended an emulator to that list, you're done. No more GUI changes are needed to support that system. The GUI will have code to parse the emulator interfaces list, and build all the requisite GUI options dynamically, declarative style. Ultimately, once the project is finished, the new GUI should look ~99% identical to the current GUI. But it'll probably be a whole lot smaller.
2012-04-29 06:29:54 +00:00
#include <emulator/emulator.hpp>
Update to v100r03 release. byuu says: Changelog: - moved Thread, Scheduler, Cheat functionality into emulator/ for all cores - start of actual Mega Drive emulation (two 68K instructions) I'm going to be rather terse on MD emulation, as it's too early for any meaningful dialogue here.
2016-07-10 05:28:26 +00:00
#include <emulator/thread.hpp>
#include <emulator/scheduler.hpp>
#include <emulator/cheat.hpp>
Update to v088r01 release. byuu says: - GB::CPU::Core -> Processor::LR35902 - Processor::LR35902 -> jump table to switch table - GB::LCD -> GB::PPU - static frequency for DMG (no multiplication on clock ticks) - GB::PPU::interface->videoRefresh() moved outside scheduler (use host thread) - namespace NES -> Famicom - namespace SNES -> SuperFamicom - namespace GB -> GameBoy - namespace GBA -> GameBoyAdvance - removed boot.rom writeout in GB::System
2012-04-26 10:51:13 +00:00
#include <processor/lr35902/lr35902.hpp>
Update to v085r04 release. byuu says: Changelog: - added base/ folder - base/base.hpp defines the version number for all UI targets, all the varint-types, and a hook() class for debugger functions (see below) - fixed compatibility profile compilation - removed within<> template from the SNES target - the SNES core can be built without Game Boy support now, if you so choose (my SNES debugger is not going to support debugging the GBZ80, sorry.) - added ui-debugger; not at all useful right now, will be a long while to get something usable ready So hook is a class wrapper around nall::function. It allows you to invoke potentially empty functions (and as such, the return type must have a trivial constructor.) It also doesn't actually perform the test+invocation when DEBUGGER (options=debugger) is not defined. So you should have no overhead in regular builds. The core classes now have a subclass with all the debugging hooks, so you'll see eg: void CPU::op_step() { debugger.op_exec(regs.pc); (this->*opcode_table[op_read()])(); } Clear what it's doing, clear what it's for. A whole lot less work than inheriting the whole CPU core and virtualizing the functions we want to hook. All the logic for what to do inside these callbacks will be handled by individual debuggers, so they can have all the functionality they want.
2012-02-06 12:03:45 +00:00
Update to v088r01 release. byuu says: - GB::CPU::Core -> Processor::LR35902 - Processor::LR35902 -> jump table to switch table - GB::LCD -> GB::PPU - static frequency for DMG (no multiplication on clock ticks) - GB::PPU::interface->videoRefresh() moved outside scheduler (use host thread) - namespace NES -> Famicom - namespace SNES -> SuperFamicom - namespace GB -> GameBoy - namespace GBA -> GameBoyAdvance - removed boot.rom writeout in GB::System
2012-04-26 10:51:13 +00:00
namespace GameBoy {
Update to v099r08 release. byuu says: Changelog: - nall/vfs work 100% completed; even SGB games load now - emulation cores now call load() for the base cartridges as well - updated port/device handling; portmask is gone; device ID bug should be resolved now - SNES controller port 1 multitap option was removed - added support for 128KiB SNES PPU VRAM (for now, edit sfc/ppu/ppu.hpp VRAM::size=0x10000; to enable) Overall, nall/vfs was a huge success!! We've substantially reduced the amount of boilerplate code everywhere, while still allowing (even easier than before) support for RAM-based game loading/saving. All of nall/stream is dead and buried. I am considering removing Emulator::Interface::Medium::id and/or bootable flag. Or at least, doing something different with it. The values for the non-bootable GB/BS/ST entries duplicate the ID that is supposed to be unique. They are for GB/GBC and WS/WSC. Maybe I'll use this as the hardware revision selection ID, and then gut non-bootable options. There's really no reason for that to be there. I think at one point I was using it to generate library tabs for non-bootable systems, but we don't do that anymore anyway. Emulator::Interface::load() may not need the required flag anymore ... it doesn't really do anything right now anyway. I have a few reasons for having the cores load the base cartridge. Most importantly, it is going to enable a special mode for the WonderSwan / WonderSwan Color in the future. If we ever get the IPLROMs dumped ... it's possible to boot these systems with no games inserted to set user profile information and such. There are also other systems that may accept being booted without a cartridge. To reach this state, you would load a game and then cancel the load dialog. Right now, this results in games not loading. The second reason is this prevents nasty crashes when loading fails. So if you're missing a required manifest, the emulator won't die a violent death anymore. It's able to back out at any point. The third reason is consistency: loading the base cartridge works the same as the slot cartridges. The fourth reason is Emulator::Interface::open(uint pathID) values. Before, the GB, SB, GBC modes were IDs 1,2,3 respectively. This complicated things because you had to pass the correct ID. But now instead, Emulator::Interface::load() returns maybe<uint> that is nothing when no game is selected, and a pathID for a valid game. And now open() can take this ID to access this game's folder contents. The downside, which is temporary, is that command-line loading is currently broken. But I do intend on restoring it. In fact, I want to do better than before and allow multi-cart booting from the command-line by specifying the base cartridge and then slot cartridges. The idea should be pretty simple: keep a queue of pending filenames that we fill from the command-line and/or drag-and-drop operations on the main window, and then empty out the queue or prompt for load dialogs from the UI when booting a system. This also might be a bit more unorthodox compared to the traditional emulator design of "loadGame(filename)", but ... oh well. It's easy enough still. The port/device changes are fun. We simplified things quite a bit. The portmask stuff is gone entirely. While ports and devices keep IDs, this is really just sugar-coating so UIs can use for(auto& port : emulator->ports) and access port.id; rather than having to use for(auto n : range(emulator->ports)) { auto& port = emulator->ports[n]; ... }; but they should otherwise generally be identical to the order they appear in their respective ranges. Still, don't rely on that. Input::id is gone. There was no point since we also got rid of the nasty Input::order vector. Since I was in here, I went ahead and caved on the pedantics and renamed Input::guid to Input::userData. I removed the SNES controller port 1 multitap option. Basically, the only game that uses this is N-warp Daisakusen and, no offense to d4s, it's not really a good game anyway. It's just a quick demo to show 8-players on the SNES. But in the UI, all it does is confuse people into wasting time mapping a controller they're never going to use, and they're going to wonder which port to use. If more compelling use cases for 8-players comes about, we can reconsider this. I left all the code to support this in place, so all you have to do is uncomment one line to enable it again. We now have dsnes emulation! :D If you change PPU::VRAM::size to 0x10000 (words), then you should now have 128KiB of VRAM. Even better, it serializes the used-VRAM size, so your save states shouldn't crash on you if you swap between the two (though if you try this, you're nuts.) Note that this option does break commercial software. Yoshi's Island in particular. This game is setting A15 on some PPU register writes, but not on others. The end result of this is things break horribly in-game. Also, this option is causing a very tiny speed hit for obvious reasons with the variable masking value (I'm even using size-1 for now.) Given how niche this is, I may just leave it a compile-time constant to avoid the overhead cost. Otherwise, if we keep the option, then it'll go into Super Famicom.sys/manifest.bml ... I'll flesh that out in the near-future. ---- Finally, some fun for my OCD ... my monitor suddenly cut out on me in the middle of working on this WIP, about six hours in of non-stop work. Had to hit a bunch of ctrl+alt+fN commands (among other things) and trying to log in headless on another TTY to do issue commands, trying to recover the display. Finally power cycled the monitor and it came back up. So all my typing ended up going to who knows where. Usually this sort of thing terrifies me enough that I scrap a WIP and start over to ensure I didn't screw anything up during the crashed screen when hitting keys randomly. Obviously, everything compiles and appears to work fine. And I know it's extremely paranoid, but OCD isn't logical, so ... I'm going to go over every line of the 100KiB r07->r08 diff looking for any corruption/errors/whatever. ---- Review finished. r08 diff review notes: - fc/controller/gamepad/gamepad.cpp: use uint device = ID::Device::Gamepad; not id = ...; - gb/cartridge/cartridge.hpp: remove redundant uint _pathID; (in Information::pathID already) - gb/cartridge/cartridge.hpp: pull sha256 inside Information - sfc/cartridge/load/cpp: add " - Slot (A,B)" to interface->load("Sufami Turbo"); to be more descriptive - sfc/controller/gamepad/gamepad.cpp: use uint device = ID::Device::Gamepad; not id = ...; - sfc/interface/interface.cpp: remove n variable from the Multitap device input generation loop (now unused) - sfc/interface/interface.hpp: put struct Port above struct Device like the other classes - ui-tomoko: cheats.bml is reading from/writing to mediumPaths(0) [system folder instead of game folder] - ui-tomoko: instead of mediumPaths(1) - call emulator->metadataPathID() or something like that
2016-06-24 12:16:53 +00:00
using File = Emulator::File;
Update to v100r03 release. byuu says: Changelog: - moved Thread, Scheduler, Cheat functionality into emulator/ for all cores - start of actual Mega Drive emulation (two 68K instructions) I'm going to be rather terse on MD emulation, as it's too early for any meaningful dialogue here.
2016-07-10 05:28:26 +00:00
using Thread = Emulator::Thread;
using Scheduler = Emulator::Scheduler;
using Cheat = Emulator::Cheat;
extern Scheduler scheduler;
extern Cheat cheat;
Update to release v000r01. byuu says: Hooked up a scheduler to enter/exit the CPU core wherever I want. Added basic 4*1024*1024hz clock, and about eleven or so opcodes. Creating the disassembler as I encounter each new opcode, not skipping ahead to do all 'like other' opcodes, eg if I add 'dec b', I don't then add 'dec c' until I encounter it.
2010-12-28 06:03:02 +00:00
Update to v087r04 release. byuu says: Changelog: - gameboy/ -> gb/ - GameBoy -> GB - basic memory map for GBA - enough code to execute the first BIOS instruction (b 0x68) I have the code resetting r(15) to 0 on an exception just as a test. Since that flushes the pipeline, that means we're basically executing "b 0x68" at 8MHz, and nothing else. ... and I am getting __6 motherfucking FPS__ at 4.4GHz on an i7. Something is seriously, horribly, unfuckingbelievably wrong here, and I can't figure out what it is. My *fully complete* ARM core on the ST018 is even less efficient and runs at 21.47MHz, and yet I get 60fps even after emulating the SNES CPU+PPU @ 10+MHz each as well. ... I'm stuck. I can't proceed until we figure out what in the holy fuck is going on here. So ... if anyone can help, please do. If we can't fix this, the GBA emulation is dead. I was able to profile on Windows, and I've included that in this WIP under out/log.txt. But it looks normal to me. But yeah, there's NO. FUCKING. WAY. This code should be running this slowly.
2012-03-18 12:35:53 +00:00
#include <gb/memory/memory.hpp>
#include <gb/system/system.hpp>
#include <gb/cartridge/cartridge.hpp>
#include <gb/cpu/cpu.hpp>
Update to v088r01 release. byuu says: - GB::CPU::Core -> Processor::LR35902 - Processor::LR35902 -> jump table to switch table - GB::LCD -> GB::PPU - static frequency for DMG (no multiplication on clock ticks) - GB::PPU::interface->videoRefresh() moved outside scheduler (use host thread) - namespace NES -> Famicom - namespace SNES -> SuperFamicom - namespace GB -> GameBoy - namespace GBA -> GameBoyAdvance - removed boot.rom writeout in GB::System
2012-04-26 10:51:13 +00:00
#include <gb/ppu/ppu.hpp>
Update to v087r04 release. byuu says: Changelog: - gameboy/ -> gb/ - GameBoy -> GB - basic memory map for GBA - enough code to execute the first BIOS instruction (b 0x68) I have the code resetting r(15) to 0 on an exception just as a test. Since that flushes the pipeline, that means we're basically executing "b 0x68" at 8MHz, and nothing else. ... and I am getting __6 motherfucking FPS__ at 4.4GHz on an i7. Something is seriously, horribly, unfuckingbelievably wrong here, and I can't figure out what it is. My *fully complete* ARM core on the ST018 is even less efficient and runs at 21.47MHz, and yet I get 60fps even after emulating the SNES CPU+PPU @ 10+MHz each as well. ... I'm stuck. I can't proceed until we figure out what in the holy fuck is going on here. So ... if anyone can help, please do. If we can't fix this, the GBA emulation is dead. I was able to profile on Windows, and I've included that in this WIP under out/log.txt. But it looks normal to me. But yeah, there's NO. FUCKING. WAY. This code should be running this slowly.
2012-03-18 12:35:53 +00:00
#include <gb/apu/apu.hpp>
Update to v096r04 release. byuu says: Changelog: - fixed S-DD1 RAM writes (Star Ocean audio fixed) - applied all of the DMG test ROM fixes discussed earlier; passes many more test ROMs now - at least until the GBVideoPlayer is working: for debugging purposes, CPU/PPU single-step now instead of sync just-in-time (~30% slower) - fixed OS X crash on NSTextView (hopefully, would be very odd if not) Unfortunately passing these test ROMs caused my favorite GB/GBC game to break all of its graphics =( Shin Megami Tensei - Devichil - Kuro no Sho (Japan) is all garbled now. I'm really quite bummed by this ... but I guess I'll go through and revert r04's fixes one at a time until I find what's causing it. On the plus side, Astro Rabby is playable now. Still acts weird when pressing B/A on the first screen, but the start button will start the game. EDIT: got it. Shin Megami Tensei - Devichil requires FF4F (VBK) to be readable. Before, it was always returning 0x00. With my return 0xFF patch, that broke. But it should be returning the VBK value, which also fixes it. Also need to handle FF68/FF6A reads. Was really hoping that'd help GBVideoPlayer too, but nope. It doesn't read any of those three registers.
2016-01-11 10:31:30 +00:00
}
Update to v082r04 release. byuu says: So, here's the deal. I now have three emulators. I don't think the NES/GB ones are at all useful, but I do want them to be eventually. And having them have those pathetic little GUIs like ui-gameboy, and keeping everything in separate project folders, just doesn't work well for me. I kind of "got around" the issue with the Game Boy, by only allowing SGB mode emulation. But there is no "Super Nintendo" ... er ... wait ... uhmm ... well, you know what I mean anyway. So, my idea is to write a multi-emulator GUI, and keep the projects together. The GUI is not going to change much. The way I envision this working: At startup, you have a menubar with: "Cartridge, Settings, Tools, Help". Cartridge has "Load NES Cartridge", "Load SNES Cartridge", etc. When you load something, Cartridge is replaced with the appropriate system menu, eg "SNES". Here you have all your regular items: "power, reset, controller port selection, etc." There is also a new "Unload Cartridge" option, which is how you restore the "Cartridge" menu again. I have no plans to emulate any other systems, but if I ever do emulate something that doesn't take cartridges, I'll change the name to just "Load" or something. The cheat editor / state manager will look and act exactly the same. The settings panel will look exactly the same. I'll simply show/hide system-specific options as needed, like NES/SNES aspect ratio correction, etc. The input mapping window will just have settings for the currently loaded system. Video and audio tweaking will apply cross-system, as will hotkey mapping. The GUI stuff is mostly copy-paste, so it should only take me a week to get it 95% back to where it was, so don't worry, this isn't total GUI rewrite #80. I am, however, making all the objects pointers, so that I can destruct them all prior to main() returning, which is certainly one way of fixing that annoying Windows/Qt crash. Please only test on Linux. The Windows port is broken to hell, and will give you a bad impression of the idea: - menu groups are not hiding for some reason (all groups are showing, it looks hideous) - Timer interval(0) is taking 16ms per call, capping the FPS to ~64 tops [FWIW, bsnes/accuracy gets 130fps, bgameboy gets 450fps, bnes gets 800fps; all run at lowest possible granularity] - the OS keeps beeping when you press keys (AGAIN) Of course, Qt and GTK+ don't let you shrink a window from the requested geometry size, because they suck. So the video scaling stuff doesn't work all that great yet. Man, a metric fuckton of things need to be fixed in phoenix, and I really don't know how to fix any of them :/
2011-09-09 04:08:38 +00:00
Update to v096r04 release. byuu says: Changelog: - fixed S-DD1 RAM writes (Star Ocean audio fixed) - applied all of the DMG test ROM fixes discussed earlier; passes many more test ROMs now - at least until the GBVideoPlayer is working: for debugging purposes, CPU/PPU single-step now instead of sync just-in-time (~30% slower) - fixed OS X crash on NSTextView (hopefully, would be very odd if not) Unfortunately passing these test ROMs caused my favorite GB/GBC game to break all of its graphics =( Shin Megami Tensei - Devichil - Kuro no Sho (Japan) is all garbled now. I'm really quite bummed by this ... but I guess I'll go through and revert r04's fixes one at a time until I find what's causing it. On the plus side, Astro Rabby is playable now. Still acts weird when pressing B/A on the first screen, but the start button will start the game. EDIT: got it. Shin Megami Tensei - Devichil requires FF4F (VBK) to be readable. Before, it was always returning 0x00. With my return 0xFF patch, that broke. But it should be returning the VBK value, which also fixes it. Also need to handle FF68/FF6A reads. Was really hoping that'd help GBVideoPlayer too, but nope. It doesn't read any of those three registers.
2016-01-11 10:31:30 +00:00
#include <gb/interface/interface.hpp>