Re: TI-H: MIDI


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Re: TI-H: MIDI




I've taken apart my gameboy...and i know how it makes sound.  I could have
a schematic drawn up tomorow if there is an interest in gameboy quailty
sound...


>>A MIDI-like standard would be much smaller, but also a lot tougher to
>>implement.
>
>>Actually, MIDI travels at 34.2 kbps (or something like that) serial.
>On my
>>amiga, I connected a midi tranciver to the serial port, and the modem
>>plugged in on the other end.  If Mel can get the port going at
>34.2kbps,
>>then connecting midi devices ought to be fairly easy.
>
>First, Mel isn't likely to help. Remember, he quit TI calculators for
>"bigger" things.
>
>That's not my piont though. I have been sating MIDI like standard, not
>true MIDI!!! all we need is an I2C 8-bit paralel chip or two, and a wave
>form generator such as the MAX 038. Maybe we can find a serial 2 wire
>waveform generator, but I doubt it. Personaly, I'd use the SID chip from
>the commodore 128. It had 3 chanels, 4 waveforms (sine, square,
>triangle, and noise), and it has 4 bit audio amplitude control (volume
>from 0 to 15), and the wave form is 12 BITS!!!. That's high quality. You
>don't need much to control it Atack, sustain, reverb, decay, waveform,
>pitch, and volume level. The SID chip can emulate a Piano and play a not
>with a few commands!!! I've set it up to play music before with piano
>carring the melody, harpsichord on harmony, and noise to simulate drums!
>It's a pain, but no more dificult than sheet music in numbers! Try it! I
>can get you pinouts specs, everything!!! You can even control audio
>levels from an input, using it as an amplifier!!!
>
>We don't need MIDI, just something that works like MIDI, where you
>define instruments and then send notes and sustain times and stuff
>rather than digitizing music. I but you could get it to work at uner 1 K
>per second!!!
>
>Richard Piotter
>richfiles1@hotmail.com
>
>The Richfiles TI Page
>http://www.geocities.com/SiliconValley/Lakes/5081/Richfiles.html
>
>
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