Why are PS4 and PS5 unable to read PS1 or PS2 discs?

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They are clearly able to emulate the games based on the PS1 and PS2 games being available on the digital storefront.

Edit: Thank you all for the informative replies.

In: Technology

18 Answers

Anonymous 0 Comments

Main reason: Different CPU architectures.

Example: Moving to a completely different country and trying to read the news paper in their language with no prior lingual experience of that country.

Imagine the code of the PS1 games being one language and the code of the PS5 games being another language.

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