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Scarzix
Registered: Aug 2010
Posts: 143 |
Project SIDFX (formerly known as SIDFIXER)
Sorry for spamming you all, but regarding the DUAL SID hardware module SIDFX:
I mailed all PRE-ORDER contacts tuesday and I still miss a reply from 33% of you... please check your spam folder/email if there is any mail from sidfx-preorder@kick-ass.dk (16th december)
Thanks in advance.
There will be a registration site up shortly... so if you didnt pre-order/registrate already, you can also just mail me directly on the sidfx-preorder@kick-ass.dk mail address.
Cheers and merry X-mas to everyone! |
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Scarzix
Registered: Aug 2010
Posts: 143 |
Updated answers from Lotus:
Q: What, if anything, will one get from the audio out in the video port? One SID? Both SIDs mixed?
A: You will get the same audio as the stereo output, only down-mixed to mono.
Q: Will the audio in (unless muted) be fed to both SIDs?
A: Yes
Q: Can the audio out from one SID be directed to the audio in of the other?
A: SIDFX has no audio path from the SID outputs to the SID inputs. If this is something you wish, you must do this externally with a custom audio cable arrangement via EXTIN at the video connector
Q: Is the SIDFX firmware static, or can it be upgraded?
A: Most of the fundamental operation is done in hardware using a CPLD. The CPLD is not field-upgradeable. Other functions are implemented in firmware that can be upgraded by the end user.
Q: How do one talk to the SIDFX firmware? Any developer docs?
A: There's a software API for detecting an installed SIDFX module and enabling the hidden control registers at the end of the SID memory space. API info, register info and code examples will be made available on the web-site. |
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Frantic
Registered: Mar 2003
Posts: 1646 |
I'm curious whether the clicking that occurs when turning filter on/off is somehow mitigated if one installs a SIDFX in the machine, or whether that phenomenon will remain unaffected by the SIDFX? |
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lft
Registered: Jul 2007
Posts: 369 |
I don't know the answer to the question, but I would guess that no, sidfx cannot do anything about it.
The click happens because the filter is inverting, and the signal is not AC-coupled internally. If you could put the affected voice outputs (post envelope) at some halfway level (e.g. the positive part of a pulse wave at half volume, or the midpoint of a sawtooth wave at full volume), it could be possible to change the routing silently at that moment.
I know that Mahoney's 44.1 kHz sample playback technique relies on these DC-offsets. So if you get rid of the clicking, that routine probably stops working. |
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Frantic
Registered: Mar 2003
Posts: 1646 |
Interesting! |
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goto80
Registered: Jan 2002
Posts: 138 |
Definitely a feature worth keeping! |
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Frantic
Registered: Mar 2003
Posts: 1646 |
You're so progressive!!!
...in a conservative way. |
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Scarzix
Registered: Aug 2010
Posts: 143 |
Lastest updates:
SIDFX adapter for Reloaded is a reality now!
One of the reason for our quietness is the project regarding support for Reloaded motherboards using a SIDFX, technically, the SIDFX works out-of-the-box with a Reloaded, but when you put it inside a C64C chassis, problems emerges due to the placement of the SID-chip with a ZIF-socket.
Reason: It is simply too high to fit below the keyboard because of the ZIF-socket, so Lotus has been working on a solution and developed an optional add-on to the SIDFX called SIDFX adapter.
Secondly... The first batch of 8 units with components has been produced and verified!
The production facility have now tuned their automated production and optical inspection, which means that the rest of the production will begin according to plans.
Note: these units are not ready for shipping yet - there is still a lot of testing to do + cables and connectors needs to be produced too.
But we will require you to fill out a "mini survey" very soon, to specify exactly which cable length you need (we have two sizes, to support SX-64 and some C128 systems) - and if you will be needing the SIDFX adapter for a Reloaded motherboard or not.
Stay tuned...
www.sidfx.dk |
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Scarzix
Registered: Aug 2010
Posts: 143 |
okay, finally the survey/order confirmation has been released.
it includes the prices, shipping costs and a small survey to gather details on which of the 3 product variants you want (pr. unit pre-ordered)
Please check your mailbox for that survey/order confirmation asap if you pre-ordered any of the 400 units.
Thanks in advance. |
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Scarzix
Registered: Aug 2010
Posts: 143 |
This is just a reminder to those of you who are awaiting details about your SIDFX unit(s).
We sent all pre-orders a order confirmation email yesterday.
We need you to fill out the details for shipping/invoice + we need to know which of the cable lengths you want and/or if you need a Reloaded adapter for your SIDFX.
We have people on waiting list for any cancelled orders, so please let us know if you have changed your mind on the quantity and want a unit less or if you cant pay at all and want to cancel in the final hour.
Thanks in advance.
Scarzix |
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MagerValp
Registered: Dec 2001
Posts: 1074 |
Hmm, I could've sworn I preordered, but I can't find any confirmation emails... |
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