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Cp-450
CP 450 was a large cabinet containing a floppy disk drive interface, exactly like the TRS-80 Color Computer, manufactured by Prológica, a computer company located in Brazil. General information The standard operating system is DOS-400, an adapted and renamed copy of disk Extended Color BASIC Extended Color Basic is an update to the Color BASIC interpreter for the Radio Shack/Tandy TRS-80 Color Computer The RadioShack TRS-80 Color Computer, later marketed as the Tandy Color Computer and sometimes nicknamed the CoCo, is a line of hom ... (DECB or RSDOS). It was also possible to run other operating systems, such as Microware OS-09 and TSC Flex9. Using OS-9 allowed the user to access all 64 KB of RAM available on this particular version of the CP 400. The CP 450 units stopped being manufactured at the end of 1986, along with other accessories suitable for the CP 400. Bibliography * Micro Computador - Curso Básico. Rio de Janeiro: Rio Gráfica, 1984, v. 1, pp. 49–50. * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prológica Indústria E Comércio De Microcomputadores
Prológica Indústria e Comércio de Mircrocomputadores, commonly shortened to Prológica, was an influential Brazilian microcomputer company that reached its peak in the mid-1980s, when it ranked third among national companies in the sector. History Founded in 1976, the company initially commercialized machines for accounting use, namely the ''MCA-100'' and ''Alpha Disk''. The first models had an Intel 8080 processor, and in the early months the company even managed to get a partnership with Olivetti. The company later specialized in producing products similar to the American TRS-80 series of microcomputers, under the general name of ''"CP" (for "Computador Pessoal" in Portuguese, "Personal Computer" in English).'' One of its biggest successes in the professional field was the ''CP-500'', compatible with the TRS-80 Model III. In 1990, the company was sued by Microsoft for creating ''SO16 ("Sistema Operativo 16")'', an operating system based on MS-DOS. Line of products A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Extended Color BASIC
Extended Color Basic is an update to the Color BASIC interpreter for the Radio Shack/Tandy TRS-80 Color Computer series and is the default Basic interpreter, for the Color Computer 2. The Color Computer Basic implementations are somewhat different for the versions of Basic which come with the other family of TRS-80 machines, namely Basic Levels I, II, and III. Assemblers and Pascal and C compilers are available for the different machines in the series. Modified subsets of Color Basic may be found on many of the Radio Shack PC series of pocket computers (PC-1 to PC-4 by Sharp, PC-5, PC-6 to PC-8 by Casio) of the era. Color Basic was updated again for the Color Computer 3 and some sources refer to it as Enhanced Color Basic. A version containing routines for disk management known as Disk Color BASIC was also developed for these machines. Updates to the language include routines such as Play (for use with the sound facility), Draw (for vector graphics and other things with lines) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kilobyte
The kilobyte is a multiple of the unit byte for digital information. The International System of Units (SI) defines the prefix '' kilo'' as 1000 (103); per this definition, one kilobyte is 1000 bytes.International Standard IEC 80000-13 Quantities and Units – Part 13: Information science and technology, International Electrotechnical Commission (2008). The internationally recommended unit symbol for the kilobyte is kB. In some areas of information technology, particularly in reference to solid-state memory capacity, ''kilobyte'' instead typically refers to 1024 (210) bytes. This arises from the prevalence of sizes that are powers of two in modern digital memory architectures, coupled with the accident that 210 differs from 103 by less than 2.5%. A kibibyte is defined by Clause 4 of IEC 80000-13 as 1024 bytes. Definitions and usage Base 10 (1000 bytes) In the International System of Units (SI) the prefix '' kilo'' means 1000 (103); therefore, one kilobyte is 1000 bytes. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Floppy Disk
A floppy disk or floppy diskette (casually referred to as a floppy, or a diskette) is an obsolescent type of disk storage composed of a thin and flexible disk of a magnetic storage medium in a square or nearly square plastic enclosure lined with a fabric that removes dust particles from the spinning disk. Floppy disks store digital data which can be read and written when the disk is inserted into a floppy disk drive (FDD) connected to or inside a computer or other device. The first floppy disks, invented and made by IBM, had a disk diameter of . Subsequently, the 5¼-inch and then the 3½-inch became a ubiquitous form of data storage and transfer into the first years of the 21st century. 3½-inch floppy disks can still be used with an external USB floppy disk drive. USB drives for 5¼-inch, 8-inch, and other-size floppy disks are rare to non-existent. Some individuals and organizations continue to use older equipment to read or transfer data from floppy disks. Floppy di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TRS-80 Color Computer
The RadioShack TRS-80 Color Computer, later marketed as the Tandy Color Computer and sometimes nicknamed the CoCo, is a line of home computers developed and sold by Tandy Corporation. Despite sharing a name with the earlier TRS-80, the Color Computer is a completely different, incompatible system and a radical departure in design and compatibility with its Motorola 6809E processor rather than the Zilog Z80 earlier models were built around. The Tandy Color Computer line started in 1980 with what is now called the Color Computer 1. It was followed by the Color Computer 2 in 1983, then the Color Computer 3 in 1986. All three models maintain a high level of software and hardware compatibility, with few programs written for an older model being unable to run on the newer ones. The Color Computer 3 was discontinued in 1991. All Color Computer models shipped with Color BASIC, an implementation of Microsoft BASIC, in ROM. Variants of the OS-9 multitasking operating system were availab ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area and the seventh most populous. Its capital is Brasília, and its most populous city is São Paulo. The federation is composed of the union of the 26 states and the Federal District. It is the largest country to have Portuguese as an official language and the only one in the Americas; one of the most multicultural and ethnically diverse nations, due to over a century of mass immigration from around the world; and the most populous Roman Catholic-majority country. Bounded by the Atlantic Ocean on the east, Brazil has a coastline of . It borders all other countries and territories in South America except Ecuador and Chile and covers roughly half of the continent's land area. Its Amazon basin includes a vast tropical forest, ho ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
OS-9
OS-9 is a family of real-time, process-based, multitasking, multi-user operating systems, developed in the 1980s, originally by Microware Systems Corporation for the Motorola 6809 microprocessor. It was purchased by Radisys Corp in 2001, and was purchased again in 2013 by its current owner Microware LP. The OS-9 family was popular for general-purpose computing and remains in use in commercial embedded systems and amongst hobbyists. Today, OS-9 is a product name used by both a Motorola 68000-series machine language OS and a portable (PowerPC, x86, ARM, MIPS, SH4, etc.) version written in C, originally known as OS-9000. History The first version ("OS-9 Level One"), which dates back to 1979–1980, was written in assembly language for the Motorola 6809 CPU, and all of its processes ran within the 64KB address space of the CPU without a memory management unit. It was developed as a supporting operating system for the BASIC09 project, contracted for by Motorola as part of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
FLEX (operating System)
FLEX is a discontinued single-tasking operating system developed by Technical Systems Consultants (TSC) of West Lafayette, Indiana, for the Motorola 6800 in 1976. Overview The original version was distributed on 8" floppy disks; the (smaller) version for 5.25" floppies is called mini-Flex. It was also later ported to the Motorola 6809; that version is called Flex09. All versions are text-based and intended for use on display devices ranging from printing terminals like the Teletype Model 33 ASR to smart terminals. While no graphic displays are supported by TSC software, some hardware supports elementary graphics and pointing devices. FLEX is a disk-based operating system, using 256-byte sectors on soft-sectored floppies; the disk structure uses linkage bytes in each sector to indicate the next sector in a file or free list. The directory structure is simplified as a result. TSC (and others) provide several programming languages including BASIC in two flavors (standard and exte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CP 400
CP, cp. or its variants may refer to: Arts, entertainment, and media * Cariyapitaka (Cp), a canonical Buddhist story collection * The Canadian Press, a Canadian news agency * Child pornography * '' The Christian Post'', an American newspaper * Competitive programming * Club Penguin, a now defunct online multiplayer game * Creepypasta, a form of internet horror story * Cyberpunk, a subgenre of science fiction Enterprises Transportation companies * Canadian Airlines (1987–2001) (IATA airline code CP) * Canadian Pacific Railway, reporting mark CP * Central Pacific Railroad, a network of lines between California and Utah, US * , a French public railway company * , a Portuguese state-owned train company * CP Air or Canadian Pacific Air Lines (1942–1987), a Canadian airline * CP Ships, a Canadian shipping company, part of TUI Group * Cathay Pacific, a Hong Kong-based major airline Other enterprises * C.P. Company, an Italian apparel brand * Cedar Point, an amusement par ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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