Re: Hardware emulation of 6509 using 6502?

From: Jim Brain <brain_at_jbrain.com>
Date: Tue, 24 Jul 2018 01:30:26 -0500
Message-ID: <706cf94d-1f10-2ec7-d66f-124c523a06b1@jbrain.com>
On 7/24/2018 12:26 AM, smf wrote:
> On 24/07/2018 01:11, Jim Brain wrote:
>
>> On 7/23/2018 3:41 PM, Mia Magnusson wrote:
>>> The only important thing is that they are in a known state when
>>> returning from full 65816 mode to 6509 emulated mode. But I assume they
>>> already are set to $F when reset and they will keep their values when
>>> hidden/ignored.
>>>
>> They will, but if they are changed before hiding, they will keep the 
>> new values.
>
> Can you set new $0/$1 while in 65816 that take effect when switching 
> back to 6509?
Sorry, but the registers disappear in '816 mode

>
> And the same for setting the 65816 environment from 6509 mode before 
> switching?
nope, sorry.
>
>

-- 
Jim Brain
brain@jbrain.com
www.jbrain.com
Received on 2018-07-24 09:00:04

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