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- Interrupt_vector_table abstract "An interrupt vector table, a concept common across various processor architectures, is a table of interrupt vectors that associates an interrupt handler with an interrupt request in a machine specific way. A dispatch table is one method of implementing an interrupt vector table.Most processors have an interrupt vector table (IVT), including chips from Infineon, Microchip Atmel, Freescale, AMD, Intel, etc.An interrupt vector table is used in all 3 of the 3 most popular methods of finding the starting address of the interrupt service routine:The "predefined" method loads the PC directly with the address of some entry inside the interrupt vector table. The jump table itself contains executable code. While in principle an extremely short interrupt handler could be stored entirely inside the interrupt vector table, in practice the code at each and every entry is "JMP address" where the address is the address of the interrupt service routine (ISR) for that interrupt. The Atmel AVR and all 8051 and Microchip microcontrollersuse the predefined approach.The "fetch" method loads the PC indirectly, using the address of some entry inside the interrupt vector table to pull an address out of that table, and then loading the PC with that address.Each and every entry of is the address of an interrupt service routine.All Motorola/Freescale microcontrollers use the fetch method.The "interrupt acknowledge" method, the external device gives the CPU an interrupt handler number.The interrupt acknowledge method is used by the Intel Pentium and many older microprocessors.When the CPU is interrupted by an interrupt, it looks up the interrupt handler in the interrupt vector table, and transfers control to it.A commonly used x86 Real Mode interrupt is 0x10, the VGA BIOS code to handle primitive screen drawing functions.[citation needed]".
- Interrupt_vector_table thumbnail Interrupt_vector_table_of_8086_2013-11-05_21-51.jpg?width=300.
- Interrupt_vector_table wikiPageExternalLink manuals.
- Interrupt_vector_table wikiPageExternalLink 253668.pdf.
- Interrupt_vector_table wikiPageExternalLink ExVecTab.pdf.
- Interrupt_vector_table wikiPageID "2823984".
- Interrupt_vector_table wikiPageRevisionID "580322160".
- Interrupt_vector_table hasPhotoCollection Interrupt_vector_table.
- Interrupt_vector_table subject Category:Interrupts.
- Interrupt_vector_table type Electricity111450566.
- Interrupt_vector_table type Energy111452218.
- Interrupt_vector_table type Interrupt111447532.
- Interrupt_vector_table type Interrupts.
- Interrupt_vector_table type NaturalPhenomenon111408559.
- Interrupt_vector_table type Phenomenon100034213.
- Interrupt_vector_table type PhysicalEntity100001930.
- Interrupt_vector_table type PhysicalPhenomenon111419404.
- Interrupt_vector_table type Process100029677.
- Interrupt_vector_table type Signal111447319.
- Interrupt_vector_table comment "An interrupt vector table, a concept common across various processor architectures, is a table of interrupt vectors that associates an interrupt handler with an interrupt request in a machine specific way.".
- Interrupt_vector_table label "Interrupt vector table".
- Interrupt_vector_table sameAs m.085049.
- Interrupt_vector_table sameAs Q6056641.
- Interrupt_vector_table sameAs Q6056641.
- Interrupt_vector_table sameAs Interrupt_vector_table.
- Interrupt_vector_table wasDerivedFrom Interrupt_vector_table?oldid=580322160.
- Interrupt_vector_table depiction Interrupt_vector_table_of_8086_2013-11-05_21-51.jpg.
- Interrupt_vector_table isPrimaryTopicOf Interrupt_vector_table.
