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Previous (software)
Previous (literally the antonym of ''next'') is an open source emulator of the proprietary 68k-based NeXT computer system family, including the original 68030-based NeXT Computer and the 68040-based NeXTstation and NeXTcube. The emulator was created to deploy the early versions of the NeXTSTEP operating systems (0.8 to 3.0), unique NeXT software (such as Lotus Improv and Altsys Virtuoso), and various peripherals. The emulator is based on the source code of the Hatari emulator, whose CPU core is derived from that of the WinUAE emulator. Previous is currently developed on Linux and macOS and has been reported to successfully compile on the Windows platform. It passes the power-on tests of the NeXT ROM and is able to boot all versions NeXTSTEP and OPENSTEP. See also * NeXT character set The NeXT character set (often aliased as NeXTSTEP encoding vector, WE8NEXTSTEP or next-multinational) was used by the NeXTSTEP and OPENSTEP operating systems on NeXT workstations beginning in 1988. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
UAE (emulator)
UAE is a computer emulator which emulates the hardware of Commodore International's Amiga range of computers. Released under the GNU General Public License, UAE is free software. History Bernd Schmidt conceived of an emulator that can run Amiga software when he found that such a task was widely believed to be impossible. Schmidt had written previous programs for Amiga, and was further motivated by the desire to not lose games, demos, and sound modules to switching operating systems. UAE was released in 1995 and was originally called the ''Unusable Amiga Emulator'', due to its inability to boot. In its early stages, it was known as ''Unix Amiga Emulator'' and later with other names as well. Since none of the popular expansions fit any more, the abbreviation no longer stands for anything, and the software is simply known as UAE — this occasionally gets backronymed as Universal Amiga Emulator, Ultimate Amiga Emulator or Ubiquitous Amiga Emulator. Features UAE is almost a fu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NeXTSTEP
NeXTSTEP is a discontinued object-oriented, multitasking operating system based on the Mach kernel and the UNIX-derived BSD. It was developed by NeXT Computer in the late 1980s and early 1990s and was initially used for its range of proprietary workstation computers such as the NeXTcube. It was later ported to several other computer architectures. Although relatively unsuccessful at the time, it attracted interest from computer scientists and researchers. It hosted the original development of the Electronic AppWrapper, the first commercial electronic software distribution catalog to collectively manage encryption and provide digital rights for application software and digital media, a forerunner of the modern "app store" concept. It is the platform on which Tim Berners-Lee created the first web browser, and on which id Software developed the video games ''Doom'' and '' Quake''. In 1996, NeXT was acquired by Apple Computer to succeed the classic Mac OS, by merging NeXTSTEP ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NeXTcube
The NeXTcube is a high-end workstation computer developed, manufactured, and sold by NeXT from 1990 until 1993. It superseded the original NeXT Computer workstation and is housed in a similar cube-shaped magnesium enclosure, designed by frog design. The workstation runs the NeXTSTEP operating system and was launched with a list price. Hardware The NeXTcube is the successor to the original NeXT Computer. It differs from its predecessor in having a 68040 processor, a hard disk in place of the magneto-optical drive, and a floppy disk drive. NeXT offered a 68040 system board upgrade (and NeXTSTEP 2.0) for . A 33 MHz NeXTcube Turbo was later produced. NeXT released the NeXTdimension for the NeXTcube, a circuit board based on an Intel i860 processor, which offers 32-bit PostScript color display and video-sampling features. The Pyro accelerator board increases the speed of a NeXTcube by replacing the standard 25 MHz processor with a 50 MHz one. Specifications * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Windows Emulation Software
Windows is a group of several Proprietary software, proprietary graphical user interface, graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for servers, and Windows IoT for embedded systems. Defunct Windows families include Windows 9x, Windows Mobile, and Windows Phone. The first version of Windows was released on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs). Windows is the most popular desktop operating system in the world, with Usage share of operating systems, 75% market share , according to StatCounter. However, Windows is not the most used operating system when including both mobile and desktop OSes, due to Android (operating system), Android's massive growth. , the most recent version of Windows is Windows 11 for consumer Personal compu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Linux Emulation Software
Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which includes the kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name "GNU/Linux" to emphasize the importance of GNU software, causing some controversy. Popular Linux distributions include Debian, Fedora Linux, and Ubuntu, the latter of which itself consists of many different distributions and modifications, including Lubuntu and Xubuntu. Commercial distributions include Red Hat Enterprise Linux and SUSE Linux Enterprise. Desktop Linux distributions include a windowing system such as X11 or Wayland, and a desktop environment such as GNOME or KDE Plasma. Distributions intended for servers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cross-platform Free Software
In computing, cross-platform software (also called multi-platform software, platform-agnostic software, or platform-independent software) is computer software that is designed to work in several computing platforms. Some cross-platform software requires a separate build for each platform, but some can be directly run on any platform without special preparation, being written in an interpreted language or compiled to portable bytecode for which the interpreters or run-time packages are common or standard components of all supported platforms. For example, a cross-platform application may run on Microsoft Windows, Linux, and macOS. Cross-platform software may run on many platforms, or as few as two. Some frameworks for cross-platform development are Codename One, Kivy, Qt, Flutter, NativeScript, Xamarin, Phonegap, Ionic, and React Native. Platforms ''Platform'' can refer to the type of processor (CPU) or other hardware on which an operating system (OS) or application run ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NeXT Character Set
The NeXT character set (often aliased as NeXTSTEP encoding vector, WE8NEXTSTEP or next-multinational) was used by the NeXTSTEP and OPENSTEP operating systems on NeXT workstations beginning in 1988. It is based on Adobe Systems' PostScript (PS) character set aka '' Adobe Standard Encoding'' where unused code points were filled up with characters from ISO 8859-1 (Latin 1), although at differing code points. Character set The following table shows the NeXT character set. Each character is shown with a potential Unicode equivalent. Codepoints 00hex (0) to 7Fhex (127) are nearly identical to ASCII. See also *Display PostScript Display PostScript (or DPS) is a 2D graphics engine system for computers which uses the PostScript (PS) imaging model and language (originally developed for computer printing) to generate on-screen graphics. To the basic PS system, DPS adds a num ... (DPS) References {{Character encoding NeXT Character sets ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microsoft Windows
Windows is a group of several Proprietary software, proprietary graphical user interface, graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for servers, and Windows IoT for embedded systems. Defunct Windows families include Windows 9x, Windows Mobile, and Windows Phone. The first version of Windows was released on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs). Windows is the most popular desktop operating system in the world, with Usage share of operating systems, 75% market share , according to StatCounter. However, Windows is not the most used operating system when including both mobile and desktop OSes, due to Android (operating system), Android's massive growth. , the most recent version of Windows is Windows 11 for consumer Personal compu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MacOS
macOS (; previously OS X and originally Mac OS X) is a Unix operating system developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple's Mac (computer), Mac computers. Within the market of desktop and laptop computers it is the Usage share of operating systems#Desktop and laptop computers, second most widely used desktop OS, after Microsoft Windows and ahead of ChromeOS. macOS succeeded the classic Mac OS, a Mac operating system with nine releases from 1984 to 1999. During this time, Apple cofounder Steve Jobs had left Apple and started another company, NeXT Computer, NeXT, developing the NeXTSTEP platform that would later be acquired by Apple to form the basis of macOS. The first desktop version, Mac OS X 10.0, was released in March 2001, with its first update, 10.1, arriving later that year. All releases from Mac OS X Leopard, Mac OS X 10.5 Leopard and after are UNIX 03 certified, with an exception for OS X Lion, OS X 10. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Linux
Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which includes the kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name "GNU/Linux" to emphasize the importance of GNU software, causing some controversy. Popular Linux distributions include Debian, Fedora Linux, and Ubuntu, the latter of which itself consists of many different distributions and modifications, including Lubuntu and Xubuntu. Commercial distributions include Red Hat Enterprise Linux and SUSE Linux Enterprise. Desktop Linux distributions include a windowing system such as X11 or Wayland, and a desktop environment such as GNOME or KDE Plasma. Distributions intended for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hatari (emulator)
Hatari is an open-source emulator of the Atari ST 16/32-bit computer system family. It emulates the Atari ST, Atari STe, Atari TT, and Atari Falcon computer series and some corresponding peripheral hardware like joysticks, mouse, midi, printer, serial and floppy and hard disks. It supports more graphics modes than the ST and does not require an original TOS image as it supports EmuTOS. The latest version has no reported issues with the ST/STe/TT applications emulation compatibility and also most of the ST/STe games and demos work without issues. Development Hatari uses source code from several other emulators: WinSTon ( Atari ST peripherals), UAE ( Motorola 680x0 CPU), WinUAE (more accurate Motorola 68030 CPU + MMU), STonX (BLiTTER), ARAnyM (Motorola 56001 DSP, Videl, NVRAM). Hatari uses the SDL library for graphics, is developed on Linux and has been ported to many OSes such as AmigaOS 4, AROS, BSD, BeOS, RISC OS, MorphOS, macOS, AmigaOS, Windows Windows is a group ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lotus Improv
Lotus Improv is a discontinued spreadsheet program from Lotus Development released in 1991 for the NeXTSTEP platform and then for Windows 3.1 in 1993. Development was put on hiatus in 1994 after slow sales on the Windows platform, and officially ended in April 1996 after Lotus was purchased by IBM. Improv was an attempt to redefine the way a spreadsheet program should work, to make it easier to build new spreadsheets and to modify existing ones. Conventional spreadsheets used on-screen cells to store all data, formulas, and notes. Improv separated these concepts and used the cells only for input and output data. Formulas, macros and other objects existed outside the cells, to simplify editing and reduce errors. Improv used named ranges for all formulas, as opposed to cell addresses. Although not a commercial success in comparison to mainstream products like Lotus 1-2-3 or Microsoft Excel, Improv found a strong following in certain niche markets, notably financial modeling. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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