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- BRIAN'S SOUNDMON - DOC FILE
-
- <Preface>
-
- On this disk you will find one of the most powerfull Amiga soundeditors.
- It was written over a period of four days and is written in 100% assembler
- (source is over 70Kb longs). The program is a combination of the C64 sound-
- monitor and the Amiga Soundtracker. I decided to write my own music-player,
- because Soundtracker did not match my needs (I hated entering drums every
- new pattern again). For those who already know the C64 soundmonitor it won't
- be difficult to use this one, for those who don't I wrote this docfile.
- In this V1.0 version I have not added a file-requester nor gadgets, so all
- functions are called by pressing function-keys (I find this quicker then
- gadgets, once you know them). The program knows multitasking, so in order to
- know what songs are on your disk, enter the CLI and type 'DIR BPSONGS'.
- For info about the F-Keys read the file BSKeys.DOC.
- A filerequester and gadgets will problably be added in a later version, so
- watch out for it.
-
-
- <Get on with it>
-
- Well, once you start up the soundmonitor your screen will be build up in
- 3 parts.
- The first block (right on your screen) shows the used instruments (the
- active one is underlined), they should all read 'EMPTY'.
- The second block (top-left on your screen) shows the step-editor.
- The third block (bottom-left) shows the pattern-editor (should show pattern
- 1).
-
-
- <Instruments>
-
- This one's very easy, read the BSKeys.DOC file for how to select instru-
- ments. When you press 'F8' you can change some sample parameters, like name
- length, repeat, replen and default volume.
-
- Length: This is the length of the sample in bytes
- Repeat: This is the offset for the repeat part to the start of the sample.
- Replen: This is the length of the repeat part in bytes.
- Volume: This is the default volume in which the instrument will be played.
-
- You can use presets, so you don't have to find out what repeat and replen to
- use. Also do some samples don't have a repeat part, in this case repeat=0
- and replen=2. (Again: read 'BSKeys.DOC' for how to use presets).
-
- <Step-Editor>
-
- One line of the step editor could look like this:
-
- ST PAT ST TR PAT ST TR PAT STÂ TR PAT ST TR
-
- 000 0001 00 00 0002 00 00 0003 01 00 0004 00 FC
-
- The first number is the step number and can't be changed. Then you see 4
- times PAT, ST and TR. Where PAT is the number of the pattern to be played.
- ST is the SoundTranspose and TR the transpose. For each voice there is one
- PAT, one ST and one TR. All numbers in the pattern and step editor are
- entered in hexadecimal.
-
- -PAT
- Pattern numbers should go from $0001 till $155 (=341 patterns). It is better
- you don't use Pattern 1 for song data, because it is normally used as an
- empty pattern (no notes played). The pattern numbers is a 1 WORD (2 BYTES)
- number.
-
- -ST
- The Soundtranspose is a 1 BYTE 2-complement number. What does this mean ?
- This means: a 1 is a +1, a 2 is a +2, but a $ff (255) is a -1.
- 2-complement means that any number greater than $80 (128) is negative, and
- it's value is NUMBER-256 (so 255-256=-1)
- Soundtranspose is used to play all notes in the pattern with higher instru-
- ment numbers. For example: If soundtranspose was set to 1 and in the pattern
- you would play a note with instrument 2 it would be really be played with
- instrument 3. Since there are only 15 instruments possible, only sound-
- transposes from -14 to +14 are meaningfull ($0-$E and $F2-$FF).
-
- -TR
- The Transpose is also a 1 BYTE 2-complement number.
- Transposes are used to shift notes in the pattern. The transpose number
- indicates how many half-notes a pattern should be played higher or lower.
- For example: If transpose was set to $FC (-4) and I would play a C-2 in the
- pattern, a G#1 would really be played.
-
-
- <The Pattern Editor>
-
- You can switch between the step and pattern editor by pressing the 'RETURN'
- key.
- In the pattern editor you can enter the notes you want to be played.
- When you enter the pattern editor it could look something like this :
-
- PATTERN : $0002
-
- C-2 1 0 00 --- 0 0 00 C-3 1 0 00 --- 0 0 00
- C-2 1 0 00 C-2 1 1 20 C-2 1 1 18 C-2 1 1 10
- C-2 1 1 08 C-2 1 1 00 C-3 1 0 00 --- 0 0 00
- C-2 1 0 00 --- 0 0 00 C-3 1 0 00 --- 0 0 00
-
- As you can see, there is room in the pattern for 16 notes.
- The first 3 symbols indicate the note to played (C-2 is a C on octave 2,
- there are 3 octave 1-3). You can enter these notes by pressing the key-
- board note keys (read BSKeys.DOC). The number after the note indicates
- the instrument in which the note will be played , in this example all notes
- are played with instrument 1 (this is a hex-number from 0-F). instrument
- 0 indicates that there is to play with the same instrument as used before.
- The next number is the option-select, read BSKeys.DOC to find out what
- options are available (also 0-F). The next 2 numbers are the data that a
- chosen option uses. In this example option 1 (volume setting is used),
- this means that some of the notes are played with other volume as the notes
- before (volume $20,$18,$10,$08 and $00 to be precise).
-
-
- <And now something about the Player>
-
- The player is written in seka and can be used to play your songs, without
- the song-editor. There are 2 ways :
- 1-Save a module (F7): you must now adjust the length after the label BPSONG
- to the length of your module. Assemble the program and load the datablock
- created by the editor to bpsong. Now you can save the object file and
- load it from the CLI. If you want to use it in your own program, make
- sure you 'BSR' or 'JSR' to 'BPINIT' in the beginning of the program and
- 'BSR' or 'JSR' to BPMUSIC every vertical blank (This is heavy stuff, only
- for people that know something about interrupts).
- 2-Save a song (F2): You should know write down the length's of the samples
- used and the length of the song. Adjust the length after the label BPSONG
- to the songlenght and adjust the length's after S1-SF (sample1 - Sample15)
- to the length of the samples.
- Assemble and then load the song to BPSONG and the samples to S1-SF.
- You can leave out the BPINIT now (is not neccesary).
-
-
- <Finally, this is the end>
-
- I guess this should be of some help. It would take me too much time to write
- a real good manual, I think you should play around a little with the program
- and you will learn all by yourself.
-
- The Author: Brian Postma
- J.v.Hartenstraat 51
- 7576VX Oldenzaal (NL)
- tel:05410-14763
-