[sdiy] Pink Tunes self-composing program.

Roman Sowa modular at go2.pl
Tue Jan 9 10:18:01 CET 2018

Yeah pink LEDs!
Needless to say, I think everyone have seen that audiophile discrete 
24-bit DAC PCB somewhere. So it's all been done. And store the program 
on another board with big bunch of dipswitches.
Cool down-to-earth project for the times where everything is done in 
software only.


W dniu 2018-01-09 o 09:58, rsdio at audiobanshee.com pisze:
> As long as the LEDs are pink, I think this might be the best way to re-create Pink Tunes. ;-)
> The reduced address bus might even create room on the huge board for a recreation of the 6-bit log DAC and the QuASH ports.
> Brian
> On Jan 9, 2018, at 12:24 AM, Roman Sowa <modular at go2.pl> wrote:
>> Which reminds me, someone made replica of 6502 in hardware using discrete transistors few years ago. It was a huge board with lots of blinking LEDs on it, about 4000 parts IIRC.
>> W dniu 2018-01-08 o 22:02, Scott Gravenhorst pisze:
>>> I had read somewhere that someone did a 6502 emulation in an FPGA which is another way
>>> to do it.  Probably a downloadable core.  FPGAs weren't very large in those days, so
>>> I'd bet any newer FPGA including one that is Flash based should be able to do it and
>>> then run the binary code as-is with no soft emulation needed.
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