Hello dear friends.
Sorry for my french :-)
I want to touch on the topic that interests me.
I've never had (and unlikely to be) the original Sam Coupe, so I use the emulator, of course, SimCoupe. I want to note immediately that this is the only emulator working for me, other emulators, for example ascd100 / asd098 do not work at all, overload the computer with BlueScreen :)), or ZEsarUX - there is nothing to download.
But SAA1099 is emulated not only in SimCoupe, but also in two or three software emulators ZX Spectrum.and in several hardware emul FPGA on MiST / MiSTer
And of course there are melodies that are better or worse reproduced in these emulators, but they all lose in different ways :( Sadly.
That's why a small test utility was written, which works equally in the Sam Coupe and ZX Spectrum emulators (with the SAA1099 module). The test contains several dozen test patterns, especially the patterns with envelope, I think most of the errors are precisely when emulating envelope
So, I would like the owners of REAL Sam Coupe to launch this test and shoot the video (about 6 minutes), preferably with a good sound for a direct comparison of the sound.
Unless of course it does not.
This is the previous version of the test in the Unreal emulator
This is a link to the archive with both versions of the test
both the last and the previous one. I would certainly like to see and hear the previous version, as it sounds on real, especially at the end there are three real melodies. It would be desirable to hear any of them only with the included envelope, for this purpose it is necessary to switch off freq (F7) and noise (F8)
p.s. I would like to thank Sir David for the excellent utility "scadm", with her help I created a disk image for Sam Coupe and ported my test with Spectrum. Thank you !!!