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Subject: RE: [stella] 6507 opcode cycle table From: Nicolás Olhaberry <nolh@xxxxxxxxxxxxx> Date: Thu, 25 Oct 2001 19:44:19 -0300 |
----- Original Message -----
From: Eric Ball/Markham/IBM <eball@xxxxxxxxxx>
To: <stella@xxxxxxxxxxx>
Sent: Thursday, October 25, 2001 5:47 PM
Subject: [stella] 6507 opcode cycle table
> For ease of cycle counting, I've created the following opcode table.
Note:
> the cycles given are color cycles, not CPU cycles. I also haven't
included
> any of the undocumented/illegal opcodes.
Just a typo that caught my eye... the read-modify-write opcodes have their
cycles wrong, they should be one row to the left.
Bye,
Nicolás.
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