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Author Topic: IC *easter eggs* hacking & keyboard matrix  (Read 2967 times)

wax+wire

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IC *easter eggs* hacking & keyboard matrix
« on: December 16, 2013, 06:15:20 AM »

I'm bending my Casio MT45 and it is going well so far (well, I made it work fully which is good)

this site: http://weltenschule.de/TableHooters/Casio_CT-410V.html talks of easter eggs, or unutilized potential in circuits ICs.  How do you go about accessing these features?

The MT45 uses to main ICs

NEC D930G 011 - for accompaniment

HD44140 - for the main voice

As a start I'd like to separate the accompaniment out into drums, bass, arpeggio and then i can have volume control over each part/cut bits.

Thoughts?
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