# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [Unreleased]

### Added

*

### Changed

*

### Fixed

*

## [0.10.14] - 2024-10-21

### Added

* Greatly improved state management in BOS
* Support for MBC2

## [0.10.14] - 2024-09-02

### Changed

* Bumped EmuKit to improve Web runtime performance

## [0.10.12] - 2024-08-30

### Fixed

* Extra react reference

## [0.10.11] - 2024-08-30

### Fixed

* Major PPU related issue in state loading, which used to create PPU mode related issues

## [0.10.10] - 2024-08-30

### Fixed

* Warning message in wasm-bindgen loading

## [0.10.9] - 2024-08-30

### Fixed

* Unit test issue

## [0.10.8] - 2024-08-30

### Changed

* Memoised some of the class generation process
* Updated Emukit version, for faster performance

### Fixed

* Issue related with DMA transfer being triggered while loading state
* Sound glitch in loading save state, by setting proper sound raw values

## [0.10.7] - 2024-08-08

### Fixed

* Unit test that was failing

## [0.10.6] - 2024-08-08

### Changed

* Improved Zippy format to include opaque feature support, for future proof

## [0.10.5] - 2024-08-08

### Added

* `Licensee` enumeration with the description of the publisher of the ROM
* Support for Zippy encoding format for fast compression
* New hashing crate that includes CRC-32 and CRC-32C implementations

### Fixed

* Issue with the web frontend and `hardReset()` implementation

## [0.10.4] - 2024-07-16

### Added

* Support for cartridge region detection

### Changed

* Bumped web packages

## [0.10.3] - 2024-07-16

### Added

* Support for SIMD based color space conversion - [#45](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/45)
* Support for `window.requestAnimationFrame()` and game loop inversion of control - [#26](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/26)
* Custom Boot ROM support for CGB - [#34](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/34)

## [0.10.2] - 2024-06-07

### Fixed

* Removed binary distribution from PyPi

## [0.10.1] - 2024-06-07

### Fixed

* Bumped base rust version to fix issue with GitHub Action Deploy workflow

## [0.10.0] - 2024-06-07

### Added

* Initial support for the `PyBoy` compatibility layer - [#36](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/36)
* Support for PyPi registry for the PyO3 package - [#43](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/43)
* Python interface file for base boytacean (`boytacean.pyi`)
* Interface to custom boot ROM loading in Python

### Changed

* Better `boot_dump.py` script with support for other string output formats
* Improved error handling using the `Error` enum

### Fixed

* Issue related to interrupt timing, reduce interrupt to 20 cycles instead of 24
* Libretro issue with the loading of the base emulator info `retro_get_system_info()`

## [0.9.18] - 2024-01-02

### Added

* Support for Python 3 API - [#36](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/36)
* `next_frame()` method for frame by frame navigation
* Support for palette switching option in Libretro - [#37](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/37)

### Changed

* Made part of the frontend code conditional on `NODE_ENV = "development"`
* Re-release of version `0.9.17`

## [0.9.17] - 2024-01-02

### Added

* Support for Python 3 API - [#36](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/36)
* `next_frame()` method for frame by frame navigation
* Support for palette switching option in Libretro - [#37](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/37)

### Changed

* Made part of the frontend code conditional on `NODE_ENV = "development"`

## [0.9.16] - 2023-10-30

### Fixed

* Bumped emukit version to fix a bug with zip file handling

## [0.9.15] - 2023-10-30

### Added

* Support for ROM in zip files (Web frontend)
* Support for raw frame buffer
* Lazy evaluation of frame_buffer (on-demand) for DMG

## [0.9.14] - 2023-08-24

### Added

* XRGB8888 support for Libretro frontend, for better color fidelity and faster render
* Support for save state - [#7](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/7)
* LibRetro save state support - [#7](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/7)
* Support for fast mode in SDL frontend
* Support for GameShark cheat codes - [#33](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/33)

### Changed

* Made audio flush for libretro and sdl frontends flush by the end of the frame
* Improved MBC5 to support 9 bit ROM bank addresses

### Fixed

* Breaking issue with Libretro frontend and Linux
* Fix `window_counter` issue in PPU
* Issue with BESS header testing

## [0.9.13] - 2023-08-01

### Changed

* Improved command line parsing with positional ROM path value
* Better CI/CD for releases
* Hidden test panel in Web UI

### Fixed

* Small issue with command line arguments

## [0.9.12] - 2023-08-01

### Added

* New WASM build

## [0.9.11] - 2023-08-01

### Fixed

* Build of a new release

## [0.9.10] - 2023-08-01

### Fixed

* Issue with release life-cycle

## [0.9.9] - 2023-08-01

### Fixed

* Issue with release life-cycle

## [0.9.8] - 2023-08-01

### Added

* Better release life-cycle

## [0.9.7] - 2023-08-01

### Added

* Support for [Libretro](https://www.libretro.com/) core - [#14](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/14)

## [0.9.6] - 2023-06-20

### Added

* Support for image based testing
* Support for rumble, works for both mobile devices and Gamepads (web APIs)

### Changed

* Bumped emukit to 0.8.8

### Fixed

* CGB-ACID2 test passing - [#30](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/30)

## [0.9.5] - 2023-06-05

### Added

* Support for the `clock_m()` function
* Benchmark CLI option in SDL

### Changed

* Major performance improvements for the DMG specific code

## [0.9.4] - 2023-06-04

### Added

* Support for displaying speed at which the CPU is running in Web mode, for debug purposes
* Headless execution mode in Boytacean SDL
* Many more parameters added for Boytacean SDL

## [0.9.3] - 2023-05-18

### Fixed

* Small panic recovering issue

## [0.9.2] - 2023-05-18

### Added

* Support for auto emulation mode selection

## [0.9.1] - 2023-05-18

### Added

* Support for enabling and disabling audio channels

### Fixed

* Issue with CH2 envelope initialization

## [0.9.0] - 2023-05-18

### Added

* Support for Game Boy Color (CGB) emulation! 🥳 - [#8](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/8)
* Support for CLI params in Boytacean SDL
* Support for `GameBoyConfig` structure that is passed to some comments
* New `DMA` component

## [0.8.0] - 2023-04-20

### Added

* Support for serial data transfer - [#19](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/19)
* Support for printing of images using Printer emulation - [#19](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/19)
* Support for display of logger and printer in Web panels
* Converted serial-sections strategy to event driven

### Fixed

* `ButtonSwitch` issues by updating the value strategy nad bumping `emukit`
* `AudioGB` with display of canvas with no visibility

## [0.7.5] - 2023-04-11

### Added

* Support for variable clock speed for APU, means variable audio speed
* Moved debug into the base emulator (from emukit)

## [0.7.4] - 2023-04-08

### Added

* Support for audio channel 4 (noise) 🔈
* Better trigger support for audio channels 🔈

### Changed

* Added CH4 public API method for WASM

### Fixed

* Envelope support for both channel 2 and 4 🔈
* Issue related to the wave length stop flag 🔈

## [0.7.3] - 2023-04-02

### Added

* Support for CGB flag parsing
* Waveform plotting support

### Fixed

* Major JoyPad issue with Action/Select read in register
* Small issue with channel 3 audio and DAC disable

## [0.7.2] - 2023-03-04

### Added

* Support for stereo sound 🔊

### Changed

* APU `clock()` method with `cycles` parameter, improving performance by an order of magnitude 💪

### Fixed

* Added reset of APU, which fixes annoying "garbage" data in buffer when restarting the state of the emulator

## [0.7.1] - 2023-03-02

### Changed

* Bumped emukit, fixing a lot of bugs

## [0.7.0] - 2023-03-01

### Added

* Support for Audio 🔈!!! - [#12](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/12)
* Support for WASM engine version printing

## [0.6.12] - 2023-02-21

### Fixed

* Build process for the docs.rs website

## [0.6.11] - 2023-02-21

### Fixed

* Unused code issue

## [0.6.10] - 2023-02-21

### Fixed

* Old compilation problem with `NUM_CPUS` generation

## [0.6.9] - 2023-02-21

### Changed

* Bumped emukit dependency

## [0.6.8] - 2023-02-21

### Added

* Support for the `build.rs` generation file that creates the `gen.rs` file
* Support for benchmark in the SDL frontend
* Palette switching for the SDL frontend

### Fixed

* Bug with ROM title that included 0x0 characters in it
* V-Sync issue with SDL

## [0.6.7] - 2023-02-13

### Changed

* Bumped base emukit version

## [0.6.6] - 2022-12-04

### Added

* Support for theme and palette selection
* Theme stored in `localStorage`

## [0.6.5] - 2022-11-27

### Added

* Canonical URL support for boytacean.joao.me

### Changed

* Small help changes regarding Gamepad

## [0.6.4] - 2022-11-22

### Fixed

* Emukit version bump

## [0.6.3] - 2022-11-21

### Fixed

* Emukit version bump

## [0.6.2] - 2022-11-21

### Changed

* Made UI generic by extracting components into [EmuKit](https://github.com/joamag/emukit) 🎉
* More generic help panels

## [0.6.1] - 2022-11-19

### Fixed

* Exclusion of files from `Cargo.toml`

## [0.6.0] - 2022-11-19

### Added

* Support for Ctrl+D (Speedup) and Ctrl+K (Keyboard toggle) shortcuts
* Initial help panel
* Palette debugging panel

### Fixed

* Android highlight color in buttons
* Android issue with arrow pointers

## [0.5.7] - 2022-11-17

### Fixed

* More issues related with bad PPU handling

## [0.5.6] - 2022-11-17

### Fixed

* Issue with background color and change of palette colors
* Issue related with STAT interrupt not being triggered for all conditions

## [0.5.5] - 2022-11-17

### Fixed

* PPU issue related to the maximum number of objects/sprite per line being 10, issue detected by ACID test
* Object pixel drawing priority issue, issue detected by ACID test
* Issue associated with the wrongful flipping of 8x16 sprites, issue detected by ACID test
* Issue associated with drawing of window tiles, due to extra `update_stat()` operations, issue detected by ACID test

## [0.5.4] - 2022-11-15

### Fixed

* Critical issue with loading of Boot ROM

## [0.5.3] - 2022-11-15

### Changed

* New default demo ROM

## [0.5.2] - 2022-11-14

### Added

* Support for Gamepad Web API - [#9](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/9)
* Support for palette changing using GET param - [#10](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/10)

### Fixed

* Start and Select buttons order

## [0.5.1] - 2022-11-14

### Changed

* Small cosmetic changes

## [0.5.0] - 2022-11-14

### Added

* Support for true fullscreen at a browser level
* Support for more flexible palette colors
* Support for setting palette colors using WASM
* Local storage usage for saving battery backed RAM

## [0.4.5] - 2022-11-12

### Fixed

* Critical error that prevented physical keyboard from working ⌨️

## [0.4.4] - 2022-11-12

### Added

* Support for responsive physical keyboard

## [0.4.3] - 2022-11-11

### Added

* Better debug panel support
* Support for some `GET` parameters
* Support for fullscreen on screen keyboard mode

## [0.4.2] - 2022-11-09

### Fixed

* Arrow keys usage for on-screen Gamepad
* Wrong UX for keyboard focus and fullscreen

## [0.4.1] - 2022-11-06

### Added

* Logic frequency control using on click UI and keyboard
* Support for on screen keyboard for Game Boy
* Support for remote ROM loading using URL - [#3](https://gitlab.stage.hive.pt/joamag/boytacean/-/issues/3)

## [0.4.0] - 2022-11-01

### Added

* A whole new layout implemented using React.JS 🔥
* Instant boot support using the `GameBoy.boot()` method
* Support for pending cycles in web version

### Changed

* Improved drawing speed at the SDL example
* Better handling of `panic!()` in web version

### Fixed

* Issue related to STAT interrupt and H-Blank
* Issue related to overflow in sprite drawing
* Issue related to the RAM bank selection in some of the MBCs

## [0.3.0] - 2022-07-11

### Added

* Support for 8x16 sprites
* Support for MBC5, think Pokemon Yellow

### Fixed

* Issue with MBC1 and Advanced ROM Banking Mode
* Issue related to LDC power of and return mode

## [0.2.0] - 2022-07-10

### Added

* Support for drag and drop loading in SDL
* SDL fixes related to timing
* Support for drawing windows
* Initial experimental support for MBC3 (for Pokemon Red/Blue)

### Fixed

* Timer related issue, made test on inst timing pass
* Clear first frame issue, with `first_frame` flag

## [0.1.1] - 2022-07-08

### Fixed

* License name in the `Cargo.toml` file

## [0.1.0] - 2022-07-08

### Added

* Support for sprite drawing, works with Tetris
* Support for timers
* Initial working version 🥳

### Fixed

* Problem in the switching of the LCD mode