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CBM

A Wisdom Archive on CBM

CBM

A selection of articles related to CBM

More material related to Cbm can be found here:
Index of Articles
related to
Cbm
CBM

ARTICLES RELATED TO CBM

CBM: Encyclopedia II - List of BASIC dialects - Dialects

List of BASIC dialects - A. ABasiC (Amiga) — Relatively limited. Initially provided with Amigas by MetaComCo. ABC BASIC (ABC80/800) BASIC for Luxors ABC line of computers. ACE (Amiga) — A Compiler for Everyone — A freeware BASIC compiler that is AmigaBASIC compatible and contains extra features, some of which exploit the Amiga's hardware and operating system. [1] [2] Advanced BASIC: See 'BASICA' Altair BASIC (aka MITS 4K BASIC, ...

See also:

List of BASIC dialects, List of BASIC dialects - Dialects, List of BASIC dialects - A, List of BASIC dialects - B, List of BASIC dialects - C, List of BASIC dialects - D, List of BASIC dialects - E, List of BASIC dialects - F, List of BASIC dialects - G, List of BASIC dialects - H, List of BASIC dialects - I, List of BASIC dialects - J, List of BASIC dialects - K, List of BASIC dialects - L, List of BASIC dialects - M, List of BASIC dialects - N, List of BASIC dialects - O, List of BASIC dialects - P, List of BASIC dialects - Q, List of BASIC dialects - R, List of BASIC dialects - S, List of BASIC dialects - T, List of BASIC dialects - U, List of BASIC dialects - V, List of BASIC dialects - W, List of BASIC dialects - X, List of BASIC dialects - Y, List of BASIC dialects - Z, List of BASIC dialects - BASIC extensions, List of BASIC dialects - Related languages

Read more here: » List of BASIC dialects: Encyclopedia II - List of BASIC dialects - Dialects

CBM: Encyclopedia II - Commodore 1541 - The serial computer interface

The 1541 used a bit-serial version of the IEEE-488 interface, the speedier parallel version of which was used on Commodore's earlier drives for the PET/CBM range of personal/business computers. To ensure a ready supply of inexpensive cabling for its home computer peripherals, Commodore chose standard DIN connectors for the serial interface. Disk drives and other peripherals such as printers were connected to the computer via a daisy-chain schem ...

See also:

Commodore 1541, Commodore 1541 - Introduction and early problems, Commodore 1541 - Versions and third-party clones, Commodore 1541 - The serial computer interface, Commodore 1541 - Copy protection by read error, Commodore 1541 - The drive head misalignment issue, Commodore 1541 - Commodore's successor products

Read more here: » Commodore 1541: Encyclopedia II - Commodore 1541 - The serial computer interface

CBM: Encyclopedia II - List of BASIC dialects by platform - Platforms

List of BASIC dialects by platform - Apple I/II/III. Apple Business BASIC Applesoft BASIC — Based on the same Microsoft code that Commodore BASIC was based on. Standard on the Apple II Plus and Apple II Europlus. Integer BASIC — Steve Wozniak's own creation. Was originally known simply as "Apple BASIC". For the BASICs available at the time, it was extremely fast and memory-efficient. Only supported intege ...

See also:

List of BASIC dialects by platform, List of BASIC dialects by platform - Platforms, List of BASIC dialects by platform - Apple I/II/III, List of BASIC dialects by platform - Apple Macintosh, List of BASIC dialects by platform - Atari 8-bit 400/800/XL/XE/etc, List of BASIC dialects by platform - Atari TOS, List of BASIC dialects by platform - Commodore Amiga, List of BASIC dialects by platform - Commodore 8-bit VIC-20/C64/etc, List of BASIC dialects by platform - CP/M, List of BASIC dialects by platform - Microsoft DOS and clones, List of BASIC dialects by platform - Microsoft Windows, List of BASIC dialects by platform - Newton OS 1.x/2.x, List of BASIC dialects by platform - Palm OS, List of BASIC dialects by platform - Sinclair computers derivatives and clones, List of BASIC dialects by platform - Texas Instruments, List of BASIC dialects by platform - TRS-80, List of BASIC dialects by platform - Unix / Linux, List of BASIC dialects by platform - Categories, List of BASIC dialects by platform - DEC derived, List of BASIC dialects by platform - Embedded devices / microcontrollers, List of BASIC dialects by platform - Embedded inside other software, List of BASIC dialects by platform - HP derived, List of BASIC dialects by platform - Scripting languages based on BASIC, List of BASIC dialects by platform - Video game consoles, List of BASIC dialects by platform - Multiple platforms, List of BASIC dialects by platform - Miscellaneous BASIC dialects, List of BASIC dialects by platform - Notes

Read more here: » List of BASIC dialects by platform: Encyclopedia II - List of BASIC dialects by platform - Platforms

CBM: Encyclopedia II - Membrane keyboard - List of computers with membrane keyboards

QWERTY layouts unless otherwise specified Atari 400 (full-travel replacement keyboards much like those that came with the Atari 800 were available) Cambridge Z88 (arguably a mix between a membrane and chiclet keyboard) Magnavox Odyssey², also known as the Philips Videopac G7000 video game console RCA COSMAC VIP, a do-it-yourself (DIY) kit computer with 16-key hex keypad SEGA SC-3000, a computer version of an early SEGA game console Science of Cambridge Microcomputer Kit 14 (MK ...

See also:

Membrane keyboard, Membrane keyboard - List of computers with membrane keyboards

Read more here: » Membrane keyboard: Encyclopedia II - Membrane keyboard - List of computers with membrane keyboards

CBM: Encyclopedia II - Commodore 1541 - Copy protection by read error

Early copy prevention schemes deliberately introduced read errors on the disk, the software refusing to load unless the correct error message was returned. The general idea was that the inbuilt disk copy command was incapable of copying the errors. When one of these errors was encountered, the disk drive (as do all disk drives) would attempt one or more re-read attempts after first resetting the head to track zero. Few of these schemes had much deterrent effect, as various software companies soon release ...

See also:

Commodore 1541, Commodore 1541 - Introduction and early problems, Commodore 1541 - Versions and third-party clones, Commodore 1541 - The serial computer interface, Commodore 1541 - Copy protection by read error, Commodore 1541 - The drive head misalignment issue, Commodore 1541 - Commodore's successor products

Read more here: » Commodore 1541: Encyclopedia II - Commodore 1541 - Copy protection by read error

CBM: Encyclopedia II - Commodore 1541 - The drive head misalignment issue

The drive-head mechanism was notoriously easy to misalign, and had a tendency to make a 'machine-gun' rattle when out of alignment or when formatting a new disk. Some people even wrote code to vibrate the head at different frequencies to play simple tunes such as Amazing Grace. The most common cause of the 1541's drive head knocking and subsequent misalignment, however, was copy prevention schemes on commercial software. The main cause of the problem was that the disk drive itself did not feature any means of detecting when the ...

See also:

Commodore 1541, Commodore 1541 - Introduction and early problems, Commodore 1541 - Versions and third-party clones, Commodore 1541 - The serial computer interface, Commodore 1541 - Copy protection by read error, Commodore 1541 - The drive head misalignment issue, Commodore 1541 - Commodore's successor products

Read more here: » Commodore 1541: Encyclopedia II - Commodore 1541 - The drive head misalignment issue

CBM: Encyclopedia II - Commodore 1541 - Introduction and early problems

Priced at under US$400 at its introduction, the 1541 became widely popular. Although expensive by today's standards, a C64 plus a 1541 cost about $900, while an Apple II with no disk drive cost $1395. The demand caught Commodore by surprise, who struggled to produce the drive in adequate quantities. Failure rates on the 1541 initially were very high, and the drives were virtually impossible to find. The lead editorial in the December 1983 issue of Compute!'s Gazette lamented that of seven drives the magazine had in its editorial offices, four had failed. Eventually the problems subsided ...

See also:

Commodore 1541, Commodore 1541 - Introduction and early problems, Commodore 1541 - Versions and third-party clones, Commodore 1541 - The serial computer interface, Commodore 1541 - Copy protection by read error, Commodore 1541 - The drive head misalignment issue, Commodore 1541 - Commodore's successor products

Read more here: » Commodore 1541: Encyclopedia II - Commodore 1541 - Introduction and early problems

CBM: Encyclopedia II - List of BASIC dialects - BASIC extensions

BASIC extensions (also known as BASIC toolkits) extend a particular basic. (Platforms: APCW = Amstrad PCW; C64 = Commodore 64; C128 = Commodore 128; Spec = ZX Spectrum; Spec+3 = ZX Spectrum +3; VIC-20 = Commodore VIC-20) BASIC 8.0 (C128) – Third-party extension of the C128's Commodore BASIC 7.0 Beta BASIC (Spec) – A BASIC toolkit that extended Sinclair BASIC. Exbasic Level II (C64) – Extended BASIC. An improved BASIC for the C64, which was loaded from disk ...

See also:

List of BASIC dialects, List of BASIC dialects - Dialects, List of BASIC dialects - A, List of BASIC dialects - B, List of BASIC dialects - C, List of BASIC dialects - D, List of BASIC dialects - E, List of BASIC dialects - F, List of BASIC dialects - G, List of BASIC dialects - H, List of BASIC dialects - I, List of BASIC dialects - J, List of BASIC dialects - K, List of BASIC dialects - L, List of BASIC dialects - M, List of BASIC dialects - N, List of BASIC dialects - O, List of BASIC dialects - P, List of BASIC dialects - Q, List of BASIC dialects - R, List of BASIC dialects - S, List of BASIC dialects - T, List of BASIC dialects - U, List of BASIC dialects - V, List of BASIC dialects - W, List of BASIC dialects - X, List of BASIC dialects - Y, List of BASIC dialects - Z, List of BASIC dialects - BASIC extensions, List of BASIC dialects - Related languages

Read more here: » List of BASIC dialects: Encyclopedia II - List of BASIC dialects - BASIC extensions

CBM: Encyclopedia II - List of BASIC dialects by platform - Categories

List of BASIC dialects by platform - DEC derived. BASIC dialects which originated at Digital Equipment Corporation (DEC), or are derived from same: BASIC-11 - for RSX-11 on PDP-11 BASIC-PLUS - for RSTS/E on PDP-11 BASIC Plus 2 - for RSTS/E or RSX-11 on PDP-11 VAX BASIC - Ported to VAX/VMS DEC BASIC - Ported to OpenVMS on Alpha Compaq BASIC for OpenVMS - Renamed when Compaq bought DEC HP BASIC for OpenVMS - Renamed when HP and Compaq merged (current name) Since the ...

See also:

List of BASIC dialects by platform, List of BASIC dialects by platform - Platforms, List of BASIC dialects by platform - Apple I/II/III, List of BASIC dialects by platform - Apple Macintosh, List of BASIC dialects by platform - Atari 8-bit 400/800/XL/XE/etc, List of BASIC dialects by platform - Atari TOS, List of BASIC dialects by platform - Commodore Amiga, List of BASIC dialects by platform - Commodore 8-bit VIC-20/C64/etc, List of BASIC dialects by platform - CP/M, List of BASIC dialects by platform - Microsoft DOS and clones, List of BASIC dialects by platform - Microsoft Windows, List of BASIC dialects by platform - Newton OS 1.x/2.x, List of BASIC dialects by platform - Palm OS, List of BASIC dialects by platform - Sinclair computers derivatives and clones, List of BASIC dialects by platform - Texas Instruments, List of BASIC dialects by platform - TRS-80, List of BASIC dialects by platform - Unix / Linux, List of BASIC dialects by platform - Categories, List of BASIC dialects by platform - DEC derived, List of BASIC dialects by platform - Embedded devices / microcontrollers, List of BASIC dialects by platform - Embedded inside other software, List of BASIC dialects by platform - HP derived, List of BASIC dialects by platform - Scripting languages based on BASIC, List of BASIC dialects by platform - Video game consoles, List of BASIC dialects by platform - Multiple platforms, List of BASIC dialects by platform - Miscellaneous BASIC dialects, List of BASIC dialects by platform - Notes

Read more here: » List of BASIC dialects by platform: Encyclopedia II - List of BASIC dialects by platform - Categories

CBM: Encyclopedia II - Commodore 1541 - Versions and third-party clones

There were two versions of the 1541 mechanics. Early models used a drive mechanism made by Alps Electric, distinguishable by its push-down drive door. Later models utilized a drive mechanism manufactured by Newtronics (Mitsumi), which used a lever release. All but the very earliest 1541s can use either the Alps or Newtronics mechanism. Visually, the first models, of the VIC-1541 denomination, had an off-white color like the VIC-20 and VIC-1540. Then, to match the look of the C64, CBM changed the d ...

See also:

Commodore 1541, Commodore 1541 - Introduction and early problems, Commodore 1541 - Versions and third-party clones, Commodore 1541 - The serial computer interface, Commodore 1541 - Copy protection by read error, Commodore 1541 - The drive head misalignment issue, Commodore 1541 - Commodore's successor products

Read more here: » Commodore 1541: Encyclopedia II - Commodore 1541 - Versions and third-party clones

More material related to Cbm can be found here:
Index of Articles
related to
Cbm
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