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In computing, BIOS is firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the booting process. The BIOS firmware comes pre-installed on an IBM PC or IBM PC compatible's system board and exists in some UEFI-based systems to maintain compatibility with operating systems that do not support UEFI native operation. The name originates from the Basic Input/Output System used in the CP/M operating system in 1975. The BIOS originally proprietary to the IBM PC has been reverse engineered by some companies looking to create compatible systems. The interface of that original system serves as a de facto standard.
The Commodore 64, also known as the C64, is an 8-bit home computer introduced in January 1982 by Commodore International. It has been listed in the Guinness World Records as the highest-selling single computer model of all time, with independent estimates placing the number sold between 12.5 and 17 million units. Volume production started in early 1982, marketing in August for US$595. Preceded by the VIC-20 and Commodore PET, the C64 took its name from its 64 kilobytes(65,536 bytes) of RAM. With support for multicolor sprites and a custom chip for waveform generation, the C64 could create superior visuals and audio compared to systems without such custom hardware.
The Motorola 68060 ("sixty-eight-oh-sixty") is a 32-bit microprocessor from Motorola released in 1994. It is the successor to the Motorola 68040 and is the highest performing member of the 68000 series. Two derivatives were produced, the 68LC060 and the 68EC060.
The Sinclair QL is a personal computer launched by Sinclair Research in 1984, as an upper-end counterpart to the ZX Spectrum.
QDOS is the multitasking operating system found on the Sinclair QL personal computer and its clones. It was designed by Tony Tebby whilst working at Sinclair Research, as an in-house alternative to 68K/OS, which was later cancelled by Sinclair, but released by original authors GST Computer Systems. Its name is not regarded as an acronym and sometimes written as Qdos in official literature.
Multi Emulator Super System (MESS) is an emulator for various consoles and computer systems, based on the MAME core. It used to be a standalone program, but is now integrated into MAME. MESS emulates portable and console gaming systems, computer platforms, and calculators. The project strives for accuracy and portability and therefore is not always the fastest emulator for any one particular system. Its accuracy makes it also useful for homebrew game development.
SuperBASIC is an advanced variant of the BASIC programming language with many structured programming additions. It was developed at Sinclair Research by Jan Jones during the early 1980s.
Atari DOS is the disk operating system used with the Atari 8-bit family of computers. Operating system extensions loaded into memory were required in order for an Atari computer to manage files stored on a disk drive. These extensions to the operating system added the disk handler and other file management features.
Lenslok is a copy protection mechanism found in some computer games and other software on the 8-bit Atari computers, Commodore 64, ZX Spectrum, Sinclair QL, MSX and Amstrad CPC. It was created by John Frost, an inventor and electronics consultant, and marketed by ASAP Developments, a subsidiary of J Rothschild Holdings. The first game to use it was Elite for the ZX Spectrum.
Minerva is a reimplementation of Sinclair QDOS, the built-in operating system of the Sinclair QL line of personal computers. Written by Laurence Reeves in England, Minerva incorporates many bug fixes and enhancements to both QDOS and the SuperBASIC programming language. Later versions also provide the ability to multi-task several instances of the SuperBASIC interpreter, something not supported by QDOS.
Miracle Systems Ltd. were a manufacturer of personal computer peripherals and upgrades, specializing in the Sinclair QL, in the 1980s and early 1990s.
Tony Tebby is a computer programmer and the designer of Qdos, the computer operating system used in the Sinclair QL personal computer, while working as an engineer at Sinclair Research in the early 1980s.
The CST Thor series of personal computers are Sinclair QL-compatible systems designed and produced by Cambridge Systems Technology during the late 1980s.
SpareMiNT is a software distribution based on FreeMiNT, which consists of a MiNT-like operating system (OS) and kernel plus GEM compatible AES.
The Q40 and Q60 are computer motherboards designed in the late 1990s, based on the Motorola 68040 and 68060 microprocessors respectively and intended to be partially compatible with the Sinclair QL microcomputer. Later these were sold as a fully assembled computer in an AT desktop case.
MagiC is a third party and now open-sourced multitasking-capable TOS-compatible operating system for Atari computers, including some newer clone systems manufactured later. There are also variants that run as part of Mac and PC emulation environments, as well as on macOS Intel-Mac computers.