
Using songs in Assembly 15
© 1991 Ulf Petersen/Sven Tegethoff PDFied by Alphasys in 2010
00310 .OR $4000
00320 MROUT .DF "D:SONG.COM"
00330 STOP = MROUT+9
KEEP IN MIND: The player routine makes use of the memory locations in zeropage locations 231 till
255, so dont use them in your machine language program.
Also here, keep in mind that more CPU capacity available, will enhance the music. Also, the less
complicated your Display List is, the better it'll work, quality wise.
20 Keys you can use
BMC as initially made to utilise a mouse. But not everyone has one, so we've added some shortcut
keys. To use any of these, hold SHIFT + CONTROL and then the key as mentioned.
R Load song module W Write song module
P Save Digipack E Set work-drive number
D Show Directory S Activate song from module
H Set main tact to 15kHz I En/Disable Digi's
1 Main Sequencer window 2 Voice sequencer window
3 Sample Sequence window 4 Instrument editor window
5 Play window 6 Arrange window
Arrow keys: Up/Down controls the arrow functions in several windows.
21 Finally
Now the end of the manual is there, don't panic. You'll be able to control this software with a little bit
of practice. We hope you'll have a lot of fun using this high-end music sequencer for the Atari and will
only mention now, what it took to make this:
One Atari 800XL with a speedy OS, 256kB ramdisk, Turbo-Freezer, Internal sound sampler (by own
design), Atari 1050 diskdrive with Speedy D, Bibo-Dos, Bibo-Assembler, Design Master, Turbo-Basic
XL, a multitude of nervous breakdowns, constant nagging from financial supporters, a lot of cola, 20
empty diskettes, 103kB of sourcecode, Amiga and ST mice, Commodoe Amiga with Pagestream (for
the manual (Sidenote by Alphasys: Hence I made this file. It's totally illegible/uncopyable)), my
monitor, Thorstens monitor, MTV, loads of cables and power supplies, good weather, bad weather, a
casio FX-85M calculator, a casio FX-8000G calculator, more than 4 packs of chained paper, an Atari
1029 printer, a Star LC24-200 printer, an Epson LQ400 printer, multiple kilo's of chips (silicon,
germanium, and potato), lots and lots of valuable time, one Vertical Blank interrupt, 24 zero-page
adresses, one pizza delivery, 2 ears and many, many pencil leads.
Much fun wished by
Sven Tegethoff
Thorsten Winkler
(Translation (from german to english) and PDF with screenshots by Alphasys. Screenshots taken with
opusx.msc loaded.)
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