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Frantic
Registered: Mar 2003 Posts: 1626 |
Configurable addresses in multi sid tunes please
Hi guys!
If you want to make a fellow scener a tiny bit happier than he already is:
In multi sid tunes (2 sid chips or more) it would be super nice if more people started to add the possibility to configure the adress of the extra sid chips before the tune starts playing. After all, if you play multi sid tunes on a real machine it may not be easy to change the addressing of the extra sids you have. Sometimes there are jumpers which allow a bit of configuration (such as switching between de00 and df00, or between d4xx/d5xx or something). However, in many cases the configuration options are limited. For example, in my 3sid-machine, the sid chips are located at $d400, $d420 and $d500 and that's that. I can't change it. No jumpers or stuff like that. :)
I understand that most people use VICE or various cross platform music editors, or emulated+configurable "sid chips" like the ones in the 1541U2, when they deal with multi sid stuff, but still.. the real machine with real hardware sid chips is always the main target, right? ;)
Thanks in advance! ;) |
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chatGPZ
Registered: Dec 2001 Posts: 11088 |
Those are good ideas.... for 1982 =) |
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tlr
Registered: Sep 2003 Posts: 1701 |
If you'd settle for 8 SIDs max, each of the four pages $d400-$d7ff could have a mirror of all 8 SIDs in 4 different layouts. |
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Frantic
Registered: Mar 2003 Posts: 1626 |
In relation to the nice 3sid and 2sid releases at Xenium 2021 I just want to point out that it would be super cool to be able to play them on real hardware, which for some (me included, obviously) requires the possibility to configure the addresses (in my case to $d400, $d420 and $d500).
All of the tunes from Xenium 2021 used $d400, $d420, $d440.
Now, of course I don't expect anyone to do extra work just because I am sitting here wishing that I could play these 3sid tunes on my machine, but I still throw this out in case it would turn out to be trivial for the authors to achieve this configurability and in case it would allow more people to enjoy 3sid tunes on the real machine with real SID chips. |
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Jammer
Registered: Nov 2002 Posts: 1288 |
Gotta implement it one day in MSL wrapper but seems like tough bitch to figure out in order to handle every single routine. |
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chatGPZ
Registered: Dec 2001 Posts: 11088 |
very doable if you limit it to a handful "major" routines though :) |
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Jammer
Registered: Nov 2002 Posts: 1288 |
Yeah... but plan is generally no to limit ;) As much as possible :D Thus tedious sweeping for multiple write mnemonics and praying it's not just data with identical sequence of bytes :D |
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TheRyk
Registered: Mar 2009 Posts: 2035 |
If only ppl could have agreed on standard location(s) in the first place before creating such a mess over the years ^^ Sometimes reminds me of Joystick Ports and Games |
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Frantic
Registered: Mar 2003 Posts: 1626 |
Quote: If only ppl could have agreed on standard location(s) in the first place before creating such a mess over the years ^^ Sometimes reminds me of Joystick Ports and Games
Yeah, let's solve the problem with a time machine! :D
Anyway.. I guess 99% of all 3sid tunes are made with GoatTracker or SidWizard.. no? Does any other editor need to be included? (2sid may be a little bit more widespread I suppose, but in actual practice quite few editors involved there as well.)
Maybe Ian can give us some statistics on the software used for 2sid and 3sid tunes released so far? :) |
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Jammer
Registered: Nov 2002 Posts: 1288 |
BTW, is it expected behaviour in emulators that all SID mirrors have working ch3 waveform and adsr output? :O |
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iAN CooG
Registered: May 2002 Posts: 3128 |
They wouldn't be mirror regs if they didn't replicate the functions of the first 0x20 regs. |
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