Re: 'Frankenstein' Disk Drives, Done Cheap

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Tue, 22 Apr 2014 21:16:24 +0200 Message-ID: <5356C008.7020003@laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 04/22/2014 09:11 PM, silverdr@wfmh.org.pl wrote:
>
>> There are other such things like the SD2IEC or the 1541U.
>
> Especially 1541U, which tries to be fully compatible, with remarkable results.
>
>> The problem
>> is, in order to be fully compatible with the 1541 you need the mechanics
>> of a 1541 and a logic that can run 6502 code cycle exact and have the
>> 6522 at the right places. Otherwise code downloaded into the emulator
>> will not run. Meaning about all software speeders.
>
> But.. isn’t 1541U a good example that this has already been done and moreover can be done w/o the mechanics?

Yes, but there is code where I would be surprised if it works with a 
1541U. Like

  http://www.pagetable.com/?p=656

for example...

  Gerrit

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