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Re: FMonster, the monster of sound synth

Posted on 2020-05-10, 08:37

If that sample could be updated then it could qualify as a wavetable, alas that's not how those chips work lol (though later Yamaha synths such as SY77, SY99 and stuff in Saturn can modulate arbitrary samples together, with unmodulated channels being just vanilla sampler stuff with ADSR and perhaps …

Re: FMonster, the monster of sound synth

Posted on 2020-05-10, 05:08

Yamaha OPx chips do phase modulation as their core synthesis method (everything happens within a period of a waveform rather than crossing them, FM does not work in such manner), and it is more or less an epitome of additive synthesis where one sound modulates another to create all new stuff, rather …

Re: Windows 95 hates my AWE32 at 620h

Posted on 2020-05-10, 00:40

That Vibra is probably not doing 16bit address decode which means accesses to 220 also mean that the card sees access to 620, A20 and E20 due to mirroring which is where the EMU8000 normally resides. This mirroring is what Creative used on their cards to place the EMU8000 in a place that wouldn't …

Re: Custom resolution in Windows 98

Posted on 2020-05-05, 17:16

I use Dual Link DVI cable. For 70 Hz, no timing alterations are required. I tweaked them when I wanted to achieve absolute maximum of 75 Hz -- i could only achieve it in CVT-RB mode. In VGA, the maximum refresh rate was 71 Hz -- also with CVT-RB and (possibly) timing tweaks. I'll try using …

Re: Custom resolution in Windows 98

Posted on 2020-05-05, 16:32

Single link DVI has up to 165MHz pixel clock by spec, 1920x1080 at 60Hz uses up 148.5MHz of that, 70Hz is already past the limit with 173.25MHz, so timing must be altered by reducing blanking and porches size (there's 2200 pixels output per line of which only 1920 carry visible information), the …

Re: YMF262 no sound from Op3/Op4 in 4-OP mode

Posted on 2020-05-05, 00:46

That look correct, so I'm sort of out of ideas. Only thing i can think of making a difference is needing to set the LR bits of all the channels not just the 4op channels you use, but channels which ops in 2op more are using the ops that 4op channels are using. The last tidbit is interesting, maybe …

Re: Best port adresses for new Sound Devices

Posted on 2020-05-04, 16:37

Lot of old cards etc. use 10bit address decode which means that mirroring makes most of the top range polluted and you don't really have much free space to use... Effectively you can mostly use holes in 200....3FF range, there should be decent amount of range to use still, especially in a games …

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