/vr/ - Retro Games

Anonymous Sat Mar 7 22:33:04 2020 No.6250156 [View]
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>>6250143
>it's not like a PC where the CPU controls the bus.
Actually, the Amiga CPU does control the bus. Refer to Zorro II/III documentation. Amiga is a bus oriented architecture.
Chipset arbitration applies to accessing the chipset itself, which is just chipram and a bunch of mmio registers covering a small part of the adressing space.
Bus access is owned by the CPU. Chipset has no say on it. The CPU can always access the bus.

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