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Picotron
Picotron is a virtual machine and desktop environment created by Lexaloffle Games. It is a Fantasy video game console, fantasy workstation that is aimed at making retro style video games and mimics the specifications of 16-bit computing, 16-bit computers of the late 1980s. It is a complement to Lexaloffe's earlier 8-bit inspired PICO-8. The Alpha release of Picotron became available on March 14 (Pi Day), 2024. It has a virtual toy operating system and built in tools that allow software development, game development and customization of the system itself. It runs on top of Windows, Mac OS, and Linux, with support for Raspberry Pi and export to stand-alone binaries or Web apps planned. Similarly to PICO-8, programs made with Picotron can be shared directly with other Picotron users in a special 256k png cartridge format. Capabilities Picotron has an embedded Lua (programming language), Lua editor compatible with both PICO-8 and Lua 5.4 syntax. It supports 480x270 or 240x135 Displ ...
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Picotron Pal Wip V5
Picotron is a virtual machine and desktop environment created by Lexaloffle Games. It is a fantasy workstation that is aimed at making retro style video games and mimics the specifications of 16-bit computers of the late 1980s. It is a complement to Lexaloffe's earlier 8-bit inspired PICO-8. The Alpha release of Picotron became available on March 14 (Pi Day), 2024. It has a virtual toy operating system and built in tools that allow software development, game development and customization of the system itself. It runs on top of Windows, Mac OS, and Linux, with support for Raspberry Pi and export to stand-alone binaries or Web apps planned. Similarly to PICO-8, programs made with Picotron can be shared directly with other Picotron users in a special 256k png cartridge format. Capabilities Picotron has an embedded Lua editor compatible with both PICO-8 and Lua 5.4 syntax. It supports 480x270 or 240x135 screen modes with default 32 system colors and 64 definable colors in total. ...
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PICO-8
PICO-8 is a virtual machine and game engine created by Lexaloffle Games. It is a fantasy video game console that mimics the limited graphical and sound capabilities of the old 8-bit systems of the 1980s to encourage creativity and ingenuity in producing games without being overwhelmed with the many possibilities of modern tools and machines. Such limitations also give PICO-8 games a particular look and feel. Coding on the PICO-8 is accomplished through a Lua-based environment, in which users can create music, sound effects, sprites, maps, and games. Users are able to export their games as HTML5 web games or upload their creations to Lexaloffle's official BBS where other users are able to play the games in a web browser, and view the source code. PICO-8 games can also be exported as executable programs, which will run on Windows, macOS, or Linux. Notable games released for the system include the original version of '' Celeste'', which was created in four days as part of a ga ...
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Fantasy Video Game Console
A fantasy video game console (or simply fantasy console) is an emulator for a fictitious video game console. It aims to create the experience of retro gaming without the need to emulate a real console, allowing the developer to freely decide what specifications their fictional Computer hardware, hardware will have. One popular example of a fantasy console is the PICO-8, which was used as the platform for the original ''Celeste (video game), Celeste'' game. Though many fantasy consoles, such as the PICO-8, the TIC-80 and the Pixel Vision 8, use the Lua (programming language), Lua programming language, a variety of other languages, such as JavaScript and Python (programming language), Python, are supported by other fantasy consoles. Even if two consoles use the same programming language, that doesn't mean they are compatible. There are often subtle differences in the syntax, and most notably in the API. There are some tools that aim to interconvert these console's cartridges automatic ...
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Alpha Release
The software release life cycle is the process of developing, testing, and distributing a software product (e.g., an operating system). It typically consists of several stages, such as pre-alpha, alpha, beta, and release candidate, before the final version, or "gold", is released to the public. Pre-alpha refers to the early stages of development, when the software is still being designed and built. Alpha testing is the first phase of formal testing, during which the software is tested internally using white-box techniques. Beta testing is the next phase, in which the software is tested by a larger group of users, typically outside of the organization that developed it. The beta phase is focused on reducing impacts on users and may include usability testing. After beta testing, the software may go through one or more release candidate phases, in which it is refined and tested further, before the final version is released. Some software, particularly in the internet and technolo ...
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Just-in-time Compilation
In computing, just-in-time (JIT) compilation (also dynamic translation or run-time compilations) is compilation (of computer code) during execution of a program (at run time) rather than before execution. This may consist of source code translation but is more commonly bytecode translation to machine code, which is then executed directly. A system implementing a JIT compiler typically continuously analyses the code being executed and identifies parts of the code where the speedup gained from compilation or recompilation would outweigh the overhead of compiling that code. JIT compilation is a combination of the two traditional approaches to translation to machine code— ahead-of-time compilation (AOT), and interpretation—and combines some advantages and drawbacks of both. Roughly, JIT compilation combines the speed of compiled code with the flexibility of interpretation, with the overhead of an interpreter and the additional overhead of compiling and linking (not j ...
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Userland (computing)
A modern computer operating system usually uses virtual memory to provide separate address spaces or regions of a single address space, called user space and kernel space. This separation primarily provides memory protection and hardware protection from malicious or errant software behaviour. Kernel space is strictly reserved for running a privileged operating system kernel, kernel extensions, and most device drivers. In contrast, user space is the memory area where application software and some drivers execute, typically with one address space per process. Overview The term user space (or userland) refers to all code that runs outside the operating system's kernel. User space usually refers to the various programs and libraries that the operating system uses to interact with the kernel: software that performs input/output, manipulates file system objects, application software, etc. Each user space process usually runs in its own virtual memory space, and, unless explicitl ...
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Music Tracker
A music tracker, or simply a tracker, is a type of music sequencer software for creating music. The music is represented as discrete musical notes positioned in several channels at chronological positions on a vertical timeline. A music tracker's user interface is traditionally number based. Notes, parameter changes, effects and other commands are entered with the keyboard into a grid of fixed time slots as codes consisting of letters, numbers and hexadecimal digits. Separate patterns have independent timelines; a complete song consists of a master list of repeated patterns. Later trackers departed from solely using module files, adding other options both to the sound synthesis (hosting generic synthesizers and effects or MIDI output) and to the sequencing (MIDI input and recording), effectively becoming general purpose sequencers with a different user interface. In the 2010s, tracker music is still featured in demoscene products for old hardware platforms and demoparties have o ...
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Synthesizer
A synthesizer (also synthesiser or synth) is an electronic musical instrument that generates audio signals. Synthesizers typically create sounds by generating waveforms through methods including subtractive synthesis, additive synthesis and frequency modulation synthesis. These sounds may be altered by components such as filters, which cut or boost frequencies; envelopes, which control articulation, or how notes begin and end; and low-frequency oscillators, which modulate parameters such as pitch, volume, or filter characteristics affecting timbre. Synthesizers are typically played with keyboards or controlled by sequencers, software or other instruments, and may be synchronized to other equipment via MIDI. Synthesizer-like instruments emerged in the United States in the mid-20th century with instruments such as the RCA Mark II, which was controlled with punch cards and used hundreds of vacuum tubes. The Moog synthesizer, developed by Robert Moog and first so ...
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Display Resolution
The display resolution or display modes of a digital television, computer monitor, or other display device is the number of distinct pixels in each dimension that can be displayed. It can be an ambiguous term especially as the displayed resolution is controlled by different factors in cathode-ray tube (CRT) displays, flat-panel displays (including liquid-crystal displays) and projection displays using fixed picture-element (pixel) arrays. It is usually quoted as ', with the units in pixels: for example, ' means the width is 1024 pixels and the height is 768 pixels. This example would normally be spoken as "ten twenty-four by seven sixty-eight" or "ten twenty-four by seven six eight". One use of the term ''display resolution'' applies to fixed-pixel-array displays such as plasma display panels (PDP), liquid-crystal displays (LCD), Digital Light Processing (DLP) projectors, AMOLED, OLED displays, and similar technologies, and is simply the physical number of columns and rows of pi ...
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Syntax
In linguistics, syntax ( ) is the study of how words and morphemes combine to form larger units such as phrases and sentences. Central concerns of syntax include word order, grammatical relations, hierarchical sentence structure (constituency), agreement, the nature of crosslinguistic variation, and the relationship between form and meaning (semantics). Diverse approaches, such as generative grammar and functional grammar, offer unique perspectives on syntax, reflecting its complexity and centrality to understanding human language. Etymology The word ''syntax'' comes from the ancient Greek word , meaning an orderly or systematic arrangement, which consists of (''syn-'', "together" or "alike"), and (''táxis'', "arrangement"). In Hellenistic Greek, this also specifically developed a use referring to the grammatical order of words, with a slightly altered spelling: . The English term, which first appeared in 1548, is partly borrowed from Latin () and Greek, though the L ...
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Lua (programming Language)
Lua is a lightweight, high-level, multi-paradigm programming language designed mainly for embedded use in applications. Lua is cross-platform software, since the interpreter of compiled bytecode is written in ANSI C, and Lua has a relatively simple C application programming interface ( API) to embed it into applications. Lua originated in 1993 as a language for extending software applications to meet the increasing demand for customization at the time. It provided the basic facilities of most procedural programming languages, but more complicated or domain-specific features were not included; rather, it included mechanisms for extending the language, allowing programmers to implement such features. As Lua was intended to be a general embeddable extension language, the designers of Lua focused on improving its speed, portability, extensibility and ease-of-use in development. History Lua was created in 1993 by Roberto Ierusalimschy, Luiz Henrique de Figueiredo and Wa ...
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Game Development
game development (sometimes shortened to gamedev) is the process of creating a video game. It is a multidisciplinary practice, involving programming, design, art, audio, user interface, and writing. Each of those may be made up of more specialized skills; art includes 3D modeling of objects, character modeling, animation, visual effects, and so on. Development is supported by project management, production, and quality assurance. Teams can be many hundreds of people, a small group, or even a single person. Development of commercial video games is normally funded by a publisher and can take two to five years to reach completion. Game creation by small, self-funded teams is called independent development. The technology in a game may be written from scratch or use proprietary software specific to one company. As development has become more complex, it has become common for companies and independent developers alike to use off-the-shelf "engines" such as Unity, Unreal Engine or G ...
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