INSTRUMENT definition (max 255 instruments)
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							Pointer to Attack/Decay table of values
7	Low Sustain Release							Pointer to Sustain Release table of values
8	High Sustain release							Pointer to Sustain Release table of values
9	Low Wave							Pointer to Wave table of values
A	High Wave							Pointer to Wave table of values
B	Low Frequency							Pointer to Frequency table of values
C	High Frequency							Pointer to Frequency table of values
D	Low Pulse							Pointer to Pulse table of values
E	High Pulse							Pointer to Pulse table of values
F	Low Filter							Pointer to Filter table of values
10	High Filter							Pointer to Filter table of values
11	Low Filter Res.							Pointer to Filter Resonance table of values
12	High Filter Res.							Pointer to Filter Resonance table of values
13	Low Filter Type							Pointer to Filter Type table of values
14	High Filter Type							Pointer to Filter Type table of values
15	Low Fixed Freq							Pointer to Fixed Pulse Table used in Freq. Table Value
16	High Fixed Freq							Pointer to Fixed Pulse Table used in Freq. Table Value
17	Low Relative Freq							Pointer to Relative Pulse Table used in Freq. Table Value
18	High Relative Freq							Pointer to Relative Pulse Table used in Freq. Table Value
19	Low Fixed Pulse							Pointer to Fixed Pulse Table used in Pulse Table Value
1A	High Fixed Pulse							Pointer to Fixed Pulse Table used in Pulse Table Value
1B	Low Relative Pulse							Pointer to Relative Pulse Table used in Pulse Table Value
1C	High Relative Pulse							Pointer to Relative Pulse Table used in Pulse Table Value
1D	Low Rel. Filter Freq							Pointer to Relative Filter Table used in Filter Table Value
1E	High Rel. Filter Freq							Pointer to Relative Filter Table used in Filter Table Value
1F	Low Fixed Filter Freq							Pointer to Fixed Filter Table used in Filter Table Value
20	High Fixed Filter Freq							Pointer to Fixed Filter Table used in Filter Table Value
21	Low Delay							Pointer to Delay table of values
22	High Delay							Pointer to Delay table of values
23	Low Repeat							Pointer to Repeat table of values
24	High Repeat							Pointer to Repeat table of values


TABLE of values definition
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
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
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
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
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
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
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
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
FILTER TYPE values in table definition
	8 bits							Meanings

		Type		Filt				Type and voice activation for filter


RELATIVE FREQ table values
RELATIVE FREQ table values
Pos.	8 bits							Meanings

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


FIXED FREQ table values
FIXED FREQ table values
Pos.	8 bits							Meanings

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


RELATIVE PULSE table values
RELATIVE PULSE table values
Pos.	8 bits							Meanings

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


FIXED PULSE table values
FIXED PULSE table values
Pos.	8 bits							Meanings

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


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							Freq. Value of note of given index


FIXED FILTER FREQ table values
FIXED FILTER FREQ table values
Pos.	8 bits							Meanings

x0					Low FC			Freq. Value for filter at the given index
x1	High FC							Freq. Value for filter at the given index


RELATIVE FILTER FREQ table values
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
DELAY table values
Pos.	8 bits							Meanings

00..FF	DELAY							number of ticks for delay


REPEAT table values
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