WinSysEx v3.0 <ASP> - A shareware, 
programmable MIDI message editor
for MS-Windows 3.1. Create your own
synth patch editor! Features definable
spin controls, scrollbars, checkboxes
and comboboxes; automatic checksum 
calculations; equations; variables.
Examples are included for Roland SCC-1,
Yamaha DX-100, Korg DW-8000, 
EMU Proteus / Wave Blaster. $39.00.