SID

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Re: SID

Postby simon » Tue Feb 18, 2014 3:18 pm

Yeah, games are always welcome! :) Do you really want to code the games in assembler? :)
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Re: SID

Postby varaktori » Tue Feb 18, 2014 3:35 pm

simon wrote:Do you really want to code the games in assembler? :)


Well m68k is very easy to code in assembler compared to many other CPU's. :)
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Re: SID

Postby varaktori » Fri Feb 21, 2014 11:50 pm

Bob Yannes developed SID chip so why not use Ensoniq 5503DOC for future kiwi's? :)

http://www.buchty.net/ensoniq/5503.html
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Re: SID

Postby simon » Sat Feb 22, 2014 8:53 am

Before I decided to use the SID I really considered the DOC chip (I have an Apple IIgs here). I had some chat with Rainer back then. The 5503DOC is a bus master in a 6809 system. It generates E/Q signals and uses the bus when E=0. Thus you would have to synchronize CPU and DOC or use a seperate bus (with a dedicated CPU). All in all it's more complex and last but not least, I am no musician/composer, thus I decided to use the SID where plenty of nice music is available. :)
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Re: SID

Postby varaktori » Sat Mar 08, 2014 12:08 pm

I just found YM278B-F and YAC513-M chips so maybe I design some sort of add on card. There seems to be no stock for YRW801 ROM chips and YSS225 sound FX processor chips?
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Re: SID

Postby Chris » Sat Mar 08, 2014 4:16 pm

varaktori wrote:I just found YM278B-F and YAC513-M chips so maybe I design some sort of add on card. There seems to be no stock for YRW801 ROM chips and YSS225 sound FX processor chips?


An image of the YRW801 ROM can be found here YRW801.ROM Its a 16Mb Rom I found the spec sheet , a 27C160 seems to be an equivalent part.
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Re: SID

Postby varaktori » Sat Mar 08, 2014 4:56 pm

Thanks Chris! I also ordered Philips and Sanyo alternatives for that DAC chip as they are told to have better sound quality.
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Look what beauties arrived today from Germany

Postby Chris » Wed Apr 09, 2014 8:24 pm

swinsid.jpg


Still building the toolchains so can't test them yet but they look sweet :D
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Re: SID

Postby simon » Wed Apr 09, 2014 8:35 pm

Sweet! :) Can you confirm, that the nanoSwinSID fits onto the board (regardless if it is functional yet)?
If you need help or have questions about the toolchain ask.. :)
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Re: SID

Postby Chris » Thu Apr 10, 2014 7:30 pm

simon wrote:Sweet! :) Can you confirm, that the nanoSwinSID fits onto the board (regardless if it is functional yet)?
If you need help or have questions about the toolchain ask.. :)


Fits with room to spare, maybe 0.5mm larger all around than a SID.
swidsid socket.jpg

swinsid1.jpg
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