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1994-03-07
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BunkEd v1.0
1993/4 -hc046
brief docs
----------
What it does
------------
BunkEd is a bare-bones patch editor for specifically editing FM
instruments on a Yamaha OPL2 synth chip.. these are commonly found on
adlib and sb soundcards.. and also on the original versions of the sbpro
[duel chips for stereo].. the later versions of the sbpro had instead
OPL3 chips.. i have no idea if BunkEd is compatible with these..
BunkEd was written based on scraps of information that i aquired here
and there.. it is pretty complete/accurate as far as i can tell..
there are a few modes/toggles that i have been unable to do anything
with as of now.. if you have any further information on the OPL2/3/4
or on various FM instrument file formats in existance then drop me a
line at the email address at the end of this document and i can include
them in future versions..
DISCLAIMER: if for some strange reason BunkEd fries any part of your
systems anatomy i will not be held responsible.. use at
your own risk.. blah blah blah etc..
with BunkEd you can edit/toggle all OPL2 registers excluding:
WaveForm Edit Mode: [this is on by default]
Timer Registers : [useless for patch making]
Speech Synth Mode : [i removed support for this as it appeared to make
absolutely no difference whether it was on or off]
Keyboard Split : [no idea about this one.. doesnt SEEM to do anything]
Percussion Mode : [disabled.. this is voice dependant.. ie. only
applies when patch is played as voice 6-9..
redundant for general patch making.. may enable it
again in a future version]
why it exists
-------------
i began writing BunkEd for personal use.. after looking around for some
kind of FM instrument editor that WORKED and not finding one i decided
to do it myself.. "why would anyone want to edit a technically crap
outdated synthesizer chip anyway?" you may well ask.. well the answer to
that is simple.. it's BLOODY BEAUTIFUL.. yes with the use of BunkEd and
an appropriate FM tracker [such as chicken's HSC] you are now able to
create wonderful SYNTH POP masterpieces that equal and surpass the
likes of the lemmings anthems.. i bet you cant wait..
included files
--------------
BUNKED.EXE - the program itself
BUNKED.DOC - what you are reading
PP.PAS - turbo pascal source code for simple patch playback
*.INS - a few demo HSC compatible instrument files
file formats
------------
BunkEd only supports the import of HSC compatible instruments [.INS] and
will also export HSC compatible instruments as well as a basic ASCII
dump [.EXP] of register information.. i will include support for more
formats as i get specs on them..
[a note about HSC instruments.. Amp/Mod and Vibrato Depth settings
are not saved in a HSC instrument.. the HSC tracker assumes a setting
of Amp/Mod:1db and Vibrato:7cent.. so if you intend to use a patch
with the HSC tracker ensure Amp/Mod+Vib are set to these levels
if you want the instrument to sound correct.. HSC instruments also
have a setting for "Slide".. i believe this is specific to the
tracker itself and not to the patch registers.. BunkEd will save
a new HSC instrument with a "Slide" value of $00.. if you edit/save
an existing instrument the "Slide" value is untouched.. that is the
value saved will be the value that was loaded]
misc
----
if you dont know the first thing about editing an FM instrument then
BunkEd wont teach you.. the best way to learn is by playing around
with the register settings and seeing what you get.. hit F1 from
the main screen for information on keys etc..
stuff that may appear in updates
--------------------------------
o general patch support (midi sysex)
o support for more on board chips (OPL3/4 etc)
o support for more file formats
o driver hacking/patching
o duel-OPL2 stereo support
this version of BunkEd is FREEWARE.. that is you can distribute it
freely to whoever or whatever and wherever etc etc etc as long as you
keep the original archive intact..
HSC Tracker is written by Chicken and is available on larger ftp sites..
the most recent version i know of is v1.3..
address bug reports.. useful/less information and/or comments.. etc to:
uc538@freenet.victoria.bc.ca
if you get no response in about a week then try:
hc046@outb.wimsey.bc.ca
if you get no response in about a week then chances are i am dead or
something similar..
regards.hc046