Johan Forrer, KC7WW, has spent a lot of time writing applications and
porting Alef Null applications to the Motorola DSP56002EVM. In addition, he has also developed a radio interface board for the EVM which later lead to the TAPR EVMRI board.

evm56k3.zip - March 6, 1996, Version 3 - Johan Forrer
     A collection of utilities and applications for the DSP56002EVM. 
     Accompanies the August 1995 issue of QEX article "Using the Motorola 
     DSP56002EVM for Amateur Radio DSP."

evmpcb.ps, evmpcb.pdf
evmpcbs.ps, evmpcbs.pdf
evmpcbc.ps, evmpcbc.pdf
evmpcbl.ps, evmpcbl.pdf
     Postscript and PDF versions of the radio interface board HPGL files
     included in evm56k3.zip

interface.txt - Sept 1995 - Johan Forrer
     Document regarding johan's Hf Modem radio interface schematic

cevm4_1.zip, cevm4_2.zip - January 1997, Version 4 - Johan Forrer
     C programming example for the DSP56002EVM. Small port of the Alef Null 
     bios into C.