?? readme.txt
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README file for
yampp-3 source code 2001-11-22
This is the current state of the yampp-3 source code, 2001-07-22.
Note ! This file is intended for a 7.3728 MHz yampp-3 !
A few fixes since previous versions :
* Keyboard enabled. By mistake, the PD4 pin instead of the correct
PD3 pin was used in the keyboard routine.
* Fancy triangular volume indicator added (by Sebastian.Lux@epost.de)
* Error: 01 should now be history.
A few fixes since the 2001-05-27 version :
* Pullup activated on IR-Input makes it possible to run the player
without an IR-receiver.
* Pullups activated on IDE bus on input. Should improve signal
quality on the bus.
* Improved the Sector Read code.
2001-05-27 notes
----------------
This code is intended to run on Rev. B of the yampp-3 PCB, but can
ofcourse be used on compatible systems as well.
It still uses the "old" song selection system as the yampp-2.
However, the disk handling routines has improved a lot and the
obviosly, the new VS1001 handling has been put in.
The codesize is almost at it's maximum at 1F40 bytes.
A .ROM file is included if you don't have the compiler set up.
For now, the documentation is in the code ;-)
Have fun.
Jesper Hansen
jesperh@telia.com
www.yampp.com
www.myplace.nu
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