• Thumbnail for MOS Technology 6502
    The MOS Technology 6502 (typically pronounced "sixty-five-oh-two" or "six-five-oh-two") is an 8-bit microprocessor that was designed by a small team led...
    116 KB (11,531 words) - 05:04, 31 January 2025
  • Thumbnail for MOS Technology 6510
    The MOS Technology 6510 is an 8-bit microprocessor designed by MOS Technology. It is a modified form of the very successful 6502. The 6510 is widely used...
    6 KB (526 words) - 21:28, 17 August 2024
  • Thumbnail for MOS Technology
    on for many years before MOS was eventually forced to pay US$200,000 in fines. In the meantime MOS had started selling the 6502, a chip capable of operating...
    25 KB (2,850 words) - 04:40, 13 December 2024
  • Thumbnail for Bill Mensch
    team led by Chuck Peddle that created the MOS Technology 6502. He also designed the 16-bit successor to the 6502, the 65816. Mensch is the founder, chairman...
    11 KB (1,125 words) - 02:08, 18 December 2024
  • Thumbnail for MOS Technology 6507
    "six-five-oh-seven") is an 8-bit microprocessor from MOS Technology, Inc. It is a version of their 40-pin 6502 packaged in a 28-pin DIP, making it cheaper to...
    9 KB (968 words) - 20:35, 8 May 2024
  • Thumbnail for GeckOS
    portal GeckOS is a multitasking operating system for MOS 6502, and compatible processors such as the MOS 6510. The GeckOS operating system is one of the few...
    5 KB (450 words) - 22:49, 4 June 2024
  • Thumbnail for Atari 2600
    cost-reduced version of the 6502, and MOS's RIOT chip for input/output. Cyan and MOS negotiated the 6507 and RIOT chips at $12 a pair. MOS also introduced Cyan...
    85 KB (8,256 words) - 15:22, 29 January 2025
  • Thumbnail for UCSD Pascal
    Apple II ultimately Apple Pascal, DEC PDP-11, Intel 8080, Zilog Z80, and MOS 6502 based machines, Motorola 68000 and the IBM PC (Version II on the PC was...
    16 KB (1,768 words) - 11:54, 31 October 2024
  • Thumbnail for Ricoh 2A03
    unlicensed derivative of the MOS Technology 6502 core, modified to disable the 6502's binary-coded decimal mode (possibly to avoid a MOS Technology patent). It...
    5 KB (466 words) - 21:03, 5 November 2024
  • Thumbnail for Western Design Center
    co-holder of the MOS Technology 6502 patent, Bill Mensch. Prior to leaving MOS Technology in 1977 Bill was the microprocessor design manager at MOS Technology...
    6 KB (343 words) - 09:49, 2 December 2024
  • Thumbnail for Commodore PET
    Commodore PET (category 6502-based home computers)
    by Commodore International. A single all-in-one case combines a MOS Technology 6502 microprocessor, Commodore BASIC in read-only memory, keyboard, monochrome...
    47 KB (5,952 words) - 11:28, 22 November 2024
  • Thumbnail for Computer
    architectures were created and saw extensive use, notably including the MOS Technology 6502 and 6510 in addition to the Zilog Z80. Although considerably easier...
    139 KB (14,041 words) - 19:16, 31 January 2025
  • e.g., LDA #10, which means "load accumulator A with the value 10" in MOS 6502 assembly language. in HTML, CSS, SVG, and other computing applications...
    43 KB (4,420 words) - 17:24, 18 January 2025
  • Thumbnail for Commodore 1570
    available. The drive uses the CPU MOS 6502, floppy controller WD1770 or WD1772, I/O controllers 2x MOS Technology 6522 and 1x MOS Technology 6526. "Commodore...
    3 KB (286 words) - 04:13, 19 August 2024
  • Thumbnail for Motorola 6845
    processors, and was most commonly found in machines based on the Zilog Z80 and MOS 6502. The 6845 is not an entire display solution on its own; the chip's main...
    16 KB (2,273 words) - 04:18, 10 November 2024
  • Thumbnail for MOS Technology 8502
    MOS Technology 8502 is an 8-bit microprocessor designed by MOS Technology and used in the Commodore 128 (C128). It is an improved version of the MOS 6510...
    6 KB (844 words) - 07:36, 19 November 2024
  • Thumbnail for WDC 65C02
    enhanced CMOS version of the popular nMOS-based 8-bit MOS Technology 6502. It uses less power than the original 6502, fixes several problems, and adds new...
    38 KB (4,616 words) - 04:17, 7 January 2025
  • "How MOS 6502 Illegal Opcodes really work". pagetable.com. Archived from the original on 2016-07-07. Retrieved 2016-08-01. Offenga, Freddy. "6502 Undocumented...
    26 KB (2,677 words) - 17:01, 24 November 2024
  • Thumbnail for Motorola 6809
    significant improvements over it and 8-bit contemporaries like the MOS Technology 6502, including a hardware multiplication instruction, 16-bit arithmetic...
    38 KB (4,687 words) - 06:17, 27 January 2025
  • The MOS Technology 6509, an enhanced version of the popular 6502 microprocessor, is capable of addressing up to 1 megabyte of RAM via bank switching. While...
    1 KB (145 words) - 00:29, 3 July 2024
  • Thumbnail for Synertek
    1970s and early 1980s on the strength of their licensed production of the MOS 6502, one of the most successful microprocessors of the era. Synertek won supply...
    14 KB (1,777 words) - 21:16, 10 January 2025
  • Thumbnail for Gigatron TTL
    integrated programs are written for this vCPU. MOS 6502 emulator (experimental), able to run MOS 6502 machine code. The video output is generated by the...
    10 KB (978 words) - 18:00, 4 August 2024
  • Thumbnail for Rubylith
    (née 1201) Intel 8080 Intel 8085: 6  Intel 8086: 6  Zilog Z80 MOS Technology MOS 6502 (layout by Bill Mensch) Masatoshi Shima was behind the chip implementation...
    7 KB (691 words) - 12:15, 18 January 2025
  • Thumbnail for Commodore 1571
    digitally. The drive uses the MOS 6502 CPU, WD1770 or WD1772 floppy controller, 2x MOS Technology 6522 I/O controllers and 1x MOS Technology 6526. Unlike the...
    15 KB (1,908 words) - 03:15, 20 December 2024
  • (DMA) system. The release of simpler and less expensive designs like the MOS 6502 around the same time led Rockwell to pull the design from the market without...
    22 KB (3,722 words) - 20:11, 11 January 2025
  • Thumbnail for Pegasus (console)
    (Nintendo 60-pin equivalent), floppy disk (if equipped with the FDS) CPU MOS 6502 at 1.779 MHz or UMC UA6528P @ 5.37 MHz Display PAL, 256×240, 25 colors...
    8 KB (684 words) - 08:15, 6 December 2024
  • below). The original Commodore DOS Wedge was a 1-KB program written in MOS 6502 assembly language. It resided in the otherwise unused memory block $CC00–$CFFF...
    4 KB (311 words) - 12:37, 11 October 2023
  • Thumbnail for MOS Technology 6522
    The MOS Technology 6522 Versatile Interface Adapter (VIA) is an integrated circuit that was designed and manufactured by MOS Technology as an I/O port...
    7 KB (939 words) - 08:48, 28 April 2024
  • Thumbnail for Steve Wozniak
    the Apple I was a hobbyist machine. Wozniak's design included a $25 CPU (MOS 6502) on a single circuit board with 256 bytes of ROM, 4K or 8K bytes of RAM...
    114 KB (10,427 words) - 06:42, 26 January 2025
  • Thumbnail for RCA 1802
    attempts in this market ultimately failed and other processors like the MOS 6502, Intel 8080 and Zilog Z80 would come to dominate this market. Ironically...
    54 KB (5,947 words) - 00:24, 23 January 2025