INSTRUMENT definition (max 255 instruments)
Byte 8 bits
Meanings











0 HR G O
NR
HR=Hardrestart ; G=gate off; NR=n. of ticks before HR; O=order
1 Attack Decay
Attack/Decay value to use when hardrestarting a note
2 Sustain Release
Sustain/Release to use when hardrestarting a note
3 Control 1
Control 1 value to use when hardrestarting a note
4 Control 2
Control 2 value to use when hardrestarting a note
5 Low Attack Decay
Pointer to Attack/Decay table of values
6 High Attack Decay
7 Low Sustain Release
Pointer to Sustain Release table of values
8 High Sustain release
9 Low Wave
Pointer to Wave table of values
A High Wave
B Low Frequency
Pointer to Frequency table of values
C High Frequency
D Low Pulse
Pointer to Pulse table of values
E High Pulse
F Low Filter
Pointer to Filter table of values
10 High Filter
11 Low Filter Res.
Pointer to Filter Resonance table of values
12 High Filter Res.
13 Low Filter Type
Pointer to Filter Type table of values
14 High Filter Type
15 Low Fixed Freq
Pointer to Fixed Pulse Table used in Freq. Table Value
16 High Fixed Freq
17 Low Relative Freq
Pointer to Relative Pulse Table used in Freq. Table Value
18 High Relative Freq
19 Low Fixed Pulse
Pointer to Fixed Pulse Table used in Pulse Table Value
1A High Fixed Pulse
1B Low Relative Pulse
Pointer to Relative Pulse Table used in Pulse Table Value
1C High Relative Pulse
1D Low Rel. Filter Freq
Pointer to Relative Filter Table used in Filter Table Value
1E High Rel. Filter Freq
1F Low Fixed Filter Freq
Pointer to Fixed Filter Table used in Filter Table Value
20 High Fixed Filter Freq
21 Low Delay
Pointer to Delay table of values
22 High Delay
23 Low Repeat
Pointer to Repeat table of values
24 High Repeat






















TABLE of values definition
Byte 8 bits
Meanings











0 Dimension
Dimension of table (0=empty, max is 126)
1 N. repeat
N. Repeat (number of repeat of sequence) 0=forever
2 Step pos.
Step into table for repeating commands: 0=no repeat
3 Value
Table values: meaning depending by the kind of type
4 delay/repeat
delay/repeat index in tables of delay and repeat
5 Value

6 delay/repeat

...









Dim*2+1 Value
Table values: meaning depending by the kind of type
Dim*2+2 delay/repeat
delay/repeat index in tables of delay and repeat






















ATTACK/DECAY values in table definition

8 bits
Meanings












Attack Decay
Attack/Decay to put into SID (if equals to the current, skip it)






















SUSTAIN/RELEASE values in table definition

8 bits
Meanings












Sustain Release
Sustain/Release to put into SID (if equals to the current, skip it)






















WAVE values in table definition

8 bits
Meanings












Control
Control to put into SID (if 0 skip to put it)






















FREQUENCY values in table definition
Byte 8 bits
Meanings











0 Fixed Loc
Index to shared table with note (like A#5)
...








5F Fixed Loc
60 Relative Loc 0
Value to add to tracker note (like NOTE+x)
61 Relative Loc 1
Value to subtract to tracker note (like NOTE-x)
...








(relative value of 0 can be used for mantaining tracker note)
9E Relative Loc 0
Value to add to tracker note (like NOTE+x)
9F Relative Loc 1
Value to subtract to tracker note (like NOTE-x)
A0 Relative 0
Index to table with relative value to add to current freq.
A1 Relative 1
Index to table with relative value to subtract to current freq.
...








(relative value of 0 can be used for mantaining actual value)
DE Relative 0
Index to table with relative value to add to current freq.
DF Relative 1
Index to table with relative value to subtract to current freq.
E0 Fixed
Index to table with absolute value to put for frequency
...









FF Fixed
Index to table with absolute value to put for frequency






















PULSE values in table definition
Byte 8 bits
Meanings











0 Fixed
Index to table with fixed value (absolute) to put into SID pulse
...








5F Fixed
60 Relative 0
Index to table with relative value to add to current SID pulse
61 Relative 1
Index to table with relative value to subtract to current SID pulse
...








(relative value of 0 can be used for mantaining actual value)
FE Relative 0
Index to table with relative value to add to current SID pulse
FF Relative 1
Index to table with relative value to subtract to current SID pulse






















FILTER FREQ. values in table definition

8 bits
Meanings











0 Fixed
Index to table with fixed value (absolute) to put into SID filter freq.
...








5F Fixed
60 Relative 0
Index to table with relative value to add to current SID filter freq.
61 Relative 1
Index to table with relative value to subtract to current SID filter freq.
...








(relative value of 0 can be used for mantaining actual value)
FE Relative 0
Index to table with relative value to add to current SID filter freq.
FF Relative 1
Index to table with relative value to subtract to current SID filter freq.






















FILTER RESONANCE table values
Pos. 8 bits
Meanings












Res
0 0 1
Resonance to put for filter

Res
0 1 0
Resonance to add to current value for filter

Res
1 0 0
Resonance to sub to current for filter






















FILTER TYPE values in table definition

8 bits
Meanings













Type Filt
Type and voice activation for filter






















RELATIVE FREQ table values
Pos. 8 bits
Meanings











x0 Low Frequency
Freq. Value to add/subtact to current according to sign
x1 High Frequency






















FIXED FREQ table values
Pos. 8 bits
Meanings











x0 Low Frequency
Freq. Value to put as frequency to use
x1 High Frequency






















RELATIVE PULSE table values
Pos. 8 bits
Meanings











x0 Low Pulse
Pulse Value to add/subtact to current according to sign
x1



High Pulse






















FIXED PULSE table values
Pos. 8 bits
Meanings











x0 Low Pulse
Pulse Value to put as pulse to use
x1



High Pulse






















FIXED LOC FREQ table values (Hardcored and shared == note definitions)
Pos. 8 bits
Meanings











x0 Low Frequency
Freq. Value of note of given index
x1 High Frequency






















FIXED FILTER FREQ table values
Pos. 8 bits
Meanings











x0




Low FC
Freq. Value for filter at the given index
x1 High FC






















RELATIVE FILTER FREQ table values
Pos. 8 bits
Meanings











x0




Low FC
Freq. Value for filter to add/subtact to current according to sign
x1 High FC






















DELAY table values
Pos. 8 bits
Meanings











00..FF DELAY
number of ticks for delay






















REPEAT table values
Pos. 8 bits
Meanings











00..FF REPEAT
number of repeat for one command






















NOTE: DELAY and REPEAT tables shared the same index position
NOTE: a table value for global volume is being evaluate for adding if needed

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