Re: Hardware emulation of 6509 using 6502?

From: Michał Pleban <*lists_at_michau.name*> Date: Wed, 07 Mar 2018 20:52:32 +0100 Message-ID: <5AA04300.3050000@michau.name> · lists_at_michau.name

Mia Magnusson wrote:

> Someone must have opened up their cartridges with Jupiter Lander, Radar
> Rat Race and the other early stuff. The date codes on the ROMs should
> be some kind of indicator.

My Jupiter Lander cartridge ROM has "2D64 2L06" markings, whereas Road
Race has "2D64 2L05" - can anyone make sense of that?

Interestingly, Mini BASIC and Max BASIC have EPROMs inside, the earliest
date I spotted was "8229".

Regards.
Michau

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