Machine cycles

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Manuel Sainz de Baranda y Goñi edited this page Dec 30, 2025 · 3 revisions

Opcode fetch

Memory read

Memory write

I/O read

I/O write

Internal operation

Maskable interrupt acknowledge (INTA)

Non-maskable interrupt acknowledge (NMIA)

Copyright © Manuel Sainz de Baranda y Goñi, Tony Brewer and Peter Helcmanovsky
Published under the terms of the GNU Free Documentation License v1.3