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by goldenrichard
Sat May 27, 2023 1:31 am
Forum: IBM PC, PCXT, Tandy 1000
Topic: Instruction prefetch cache?
Replies: 1
Views: 2722

Instruction prefetch cache?

Hi, Does the PCXT core correctly implement the instruction prefetch cache of the 8088? I'm trying to determine if some behavior can be attributed to the cache not being implemented at all or being implemented incorrectly (no offense intended!) or because of instruction prefetch cache starvation, which was more prevalent on 8088 than 8086 and later ...