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player_defs.s
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player_defs.s
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;------------------------------------------------------------------------------------
;
; Please note this was mostly to learn the process
; also note O'Dog of Laxity you and your group bunch of wankers
;
;------------------------------------------------------------------------------------
;------------------------------------------------------------------------------------
; Notes + Octave as an Index into the frequency table
;------------------------------------------------------------------------------------
C1 = 0 + (0*12)
Cs1 = 1 + (0*12)
D1 = 2 + (0*12)
Ds1 = 3 + (0*12)
E1 = 4 + (0*12)
F1 = 5 + (0*12)
Fs1 = 6 + (0*12)
G1 = 7 + (0*12)
Gs1 = 8 + (0*12)
A1 = 9 + (0*12)
As1 = 10 + (0*12)
B1 = 11 + (0*12)
C2 = 0 + (1*12)
Cs2 = 1 + (1*12)
D2 = 2 + (1*12)
Ds2 = 3 + (1*12)
E2 = 4 + (1*12)
F2 = 5 + (1*12)
Fs2 = 6 + (1*12)
G2 = 7 + (1*12)
Gs2 = 8 + (1*12)
A2 = 9 + (1*12)
As2 = 10 + (1*12)
B2 = 11 + (1*12)
C3 = 0 + (2*12)
Cs3 = 1 + (2*12)
D3 = 2 + (2*12)
Ds3 = 3 + (2*12)
E3 = 4 + (2*12)
F3 = 5 + (2*12)
Fs3 = 6 + (2*12)
G3 = 7 + (2*12)
Gs3 = 8 + (2*12)
A3 = 9 + (2*12)
As3 = 10 + (2*12)
B3 = 11 + (2*12)
C4 = 0 + (3*12)
Cs4 = 1 + (3*12)
D4 = 2 + (3*12)
Ds4 = 3 + (3*12)
E4 = 4 + (3*12)
F4 = 5 + (3*12)
Fs4 = 6 + (3*12)
G4 = 7 + (3*12)
Gs4 = 8 + (3*12)
A4 = 9 + (3*12)
As4 = 10 + (3*12)
B4 = 11 + (3*12)
C5 = 0 + (4*12)
Cs5 = 1 + (4*12)
D5 = 2 + (4*12)
Ds5 = 3 + (4*12)
E5 = 4 + (4*12)
F5 = 5 + (4*12)
Fs5 = 6 + (4*12)
G5 = 7 + (4*12)
Gs5 = 8 + (4*12)
A5 = 9 + (4*12)
As5 = 10 + (4*12)
B5 = 11 + (4*12)
;------------------------------------------------------------------------------------
; Sound types for instrument definitions
;------------------------------------------------------------------------------------
NOISE = %10000001
PULSE = %01000001
SAWTOOTH = %00100001
TRIANGLE = %00010001
;------------------------------------------------------------------------------------
; anything > $80 is a command byte
;------------------------------------------------------------------------------------
; don't play anything
BLANK_NOTE = $80
;------------------------------------------------------------------------------------
;------------------------------------------------------------------------------------
; begin repeat
; byte $81
; byte repeat count
BEGIN_REPT = $81
;------------------------------------------------------------------------------------
;------------------------------------------------------------------------------------
; end repeat
; if repeat count > 0 then jump back to the point JUST after the begin repeat block
END_REPT = $82
;------------------------------------------------------------------------------------
;------------------------------------------------------------------------------------
; set the next instrument
; byte $83 ; command
; byte instrument ; index
INSTRUMENT = $83
;------------------------------------------------------------------------------------
;------------------------------------------------------------------------------------
; jump the track to a new pointer
; byte $84
; word address
JUMP_TRACK = $84
;------------------------------------------------------------------------------------
;------------------------------------------------------------------------------------
; describe the per track data structure
; 7 bytes available
;------------------------------------------------------------------------------------
Track .struct
Clock .byte ? ; 0
Address .word ? ; 1-2
Instrument .byte ? ; 3
RepeatAddress .word ? ; 4-5
RepeatCounter .byte ? ; 6
.ends
;------------------------------------------------------------------------------------
; pattern struct
; unused
;------------------------------------------------------------------------------------
Pattern .struct
.byte ? ; 0
.byte ? ; 1
.byte ? ; 2
.byte ? ; 3
.byte ? ; 4
.byte ? ; 5
.byte ? ; 6
.ends
;------------------------------------------------------------------------------------