interrupts in 65xx processors wikipedia - EAS

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  1. 65C816/65C802 native mode interrupt vector locations

    Interrupt Vector (hexadecimal) Vector (hexadecimal)
    LSB MSB
    ABORT 00FFE8 00FFE9
    BRK 00FFE6 00FFE7
    COP 00FFE4 00FFE5
    Apr 28 2022
    en.wikipedia.org/wiki/Interrupts_in_65xx_processors
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    What is the purpose of inter-processor interrupts?
    In multiprocessor systems, a processor may send an interrupt request to another processor via inter-processor interrupts (IPI). Interrupts provide low overhead and good latency at low load, but degrade significantly at high interrupt rate unless care is taken to prevent several pathologies.
    en.wikipedia.org/wiki/Interrupt
    What are interrupts in the 80x86 family?
    The 80x86 family has only added to the confusion surrounding interrupts by introducing the int (software interrupt) instruction. Indeed different manufacturers have used terms like exceptions faults aborts traps and interrupts to describe the phenomena this chapter discusses.
    en.wikipedia.org/wiki/Interrupt
    How many interrupts are in a processor?
    The number of hardware interrupts is limited by the number of interrupt request (IRQ) lines to the processor, but there may be hundreds of different software interrupts. Interrupts are a commonly used technique for computer multitasking, especially in real-time computing. Such a system is said to be interrupt-driven.
    en.wikipedia.org/wiki/Interrupt
    What is interrupt source and processor handling?
    interrupt sources and processor handling. In digital computers, an interrupt is an input signal to the processor indicating an event that needs immediate attention. An interrupt signal alerts the processor and serves as a request for the processor to interrupt the currently executing code, so that the event can be processed in a timely manner.
    en.wikipedia.org/wiki/Interrupt
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    https://en.wikipedia.org/wiki/Interrupts_in_65xx_processors

    The 65xx family of microprocessors, consisting of the MOS Technology 6502 and its derivatives, the WDC 65C02, WDC 65C802 and WDC 65C816, and CSG 65CE02, all handle interrupts in a similar fashion. There are three hardware interrupt signals common to all 65xx processors and one software

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    The hardware interrupt signals are all active low, and are as follows:
    RESET a reset signal, level-triggered NMI a non-maskable interrupt, edge-triggered IRQ a maskable interrupt, level-triggered ABORT a special-purpose,

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    A well-designed and succinct interrupt handler or interrupt service routine (ISR) will not only expeditiously service any event that causes an interrupt, it

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    WAI (WAit for Interrupt, opcode $CB) is an instruction available on the WDC version of the 65C02 and the 65C816/65C802 microprocessors (MPU) that halts the MPU and places it into a semi-catatonic state until a hardware interrupt of any kind occurs. The primary use

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    The 65C816's ABORTB interrupt input is intended to provide the means to redirect program execution when a hardware exception is detected, such as a page fault or a

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    In the NMOS 6502 and derivatives (e.g., 6510), the simultaneous assertion of a hardware interrupt line and execution of BRK was not accounted

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    As previously noted, BRK and COP are software interrupts and, as such, may be used in a variety of ways to implement system functions.
    A historical use of BRK has been to assist in patching PROMs when bugs were discovered in a system's

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    1. ^ The ABORT input is available only with the W65C816S.
    2. ^ The COP instruction is available in both operating modes.

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  4. https://www.wikiwand.com/en/BRK

    There are three hardware interrupt signals common to all 65xx processors and one software interrupt, the .mw-parser-output .monospaced{font-family:monospace,monospace}BRK instruction. The WDC 65C816 adds a fourth hardware interrupt—ABORT, useful for implementing virtual memory architectures—and the COP software interrupt instruction , intended for use in a …

  5. https://en.wikipedia.org/wiki/Talk:Interrupts_in_65xx_processors

    Now of course you aren't wrong every time, and it might very well be the case that you are right in the specific case of the Interrupts in 65xx processors article, but that does not change the basic reality that the Wikipedia community has, by overwhelming consensus and on multiple occasions, determined that your views on what is notable, what is trivia, and on what should and should …

  6. Interrupts in 65xx-Prozessoren (Interrupts in 65xx processors)

    https://www.giz.wiki/detial/en/Interrupts_in_65xx_processors

    Interrupts in 65xx-Prozessoren Die 65xx-Familie von Mikroprozessoren, bestehend aus dem MOS Technology 6502 und seinen Derivaten, dem WDC 65C02, WDC 65C802 und WDC 65C816 sowie dem CSG 65CE02, handhaben alle Interrupts auf ähnliche Weise.

  7. https://en.wikipedia.org/wiki/Interrupt

    Interrupt signals may be issued in response to hardware or software events. These are classified as hardware interrupts or software interrupts, respectively. For any particular processor, the number of interrupt types is limited by the architecture.
    A hardware interrupt is a condition related to the state of the hardware that ma…

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    • https://en.wikipedia.org/wiki/Category:65xx_microprocessors

      The category of 65xx microprocessors consists of articles about MOS Technology's venerable 65xx family of 8-bit processors, ... Interrupts in 65xx processors; M. Mitsubishi 740; MOS Technology 6502; MOS Technology 6507; MOS Technology 6508; MOS Technology 6509; MOS Technology 6510; MOS Technology 8502; N. Nintendo SA-1;

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    • Interrupts in 65xx processors - Unionpedia, the concept map

      https://en.unionpedia.org/i/Interrupts_in_65xx_processors

      Interrupts in 65xx processors The 65xx family of microprocessors, consisting of the MOS Technology 6502 and its derivatives, the WDC 65C02, WDC 65C802 and WDC 65C816, and CSG 65CE02, all handle interrupts in a similar fashion.

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      View 20.docx from COMPUTING 123 at Meru University College of Science and Technology (MUCST). Interrupts in 65xx processors From Wikipedia, the free encyclopedia Jump to navigationJump to

    • https://dbpedia.org/resource/Interrupts_in_65xx_processors

      There are three hardware interrupt signals common to all 65xx processors and one software interrupt, the BRK instruction. The WDC 65C816 adds a fourth hardware interrupt—ABORT, useful for implementing virtual memory architectures—and the COP software interrupt instruction (also present in the 65C802), intended for use in a system with a coprocessor of some type (e.g., a …

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