##########################################################################
#
# FILE  fileformat.txt
# Copyright (c) 1994, 2001, 2004 Daniel Kahlin <daniel@kahlin.net>
# Written by Daniel Kahlin <daniel@kahlin.net>
# $Id: fileformat.txt,v 1.1 2004/10/03 19:14:57 tlr Exp $
#
# DESCRIPTION
#   Documentation for VIC-TRACKER.
#   NOTE: (*) marks a feature that is not yet implemented!
#
######

##########################################################################
  VIC-TRACKER file formats
##########################################################################

File format T1 (victracker 2.0):
--------------------------------

pl_ID: 
	ds.b	2  ; 'T1'
pl_Version:
	ds.b	1
pl_Revision:
	ds.b	1

;0 if interrupt speed shall be LEGACY (victracker 1.0)
;1 if interrupt speed shall be PAL...
;2 if interrupt speed shall be PAL.2X
;3 if interrupt speed shall be PAL.3X
;4 if interrupt speed shall be PAL.4X
;5 if interrupt speed shall be NTSC..
;6 if interrupt speed shall be NTSC2X
;7 if interrupt speed shall be NTSC3X
;8 if interrupt speed shall be NTSC4X
;9 if interrupt speed shall be SYNC24 (trigged by external device)
;A if interrupt speed shall be SYNC48 (trigged by external device)
pl_PlayMode:
	ds.b	1
;0 if scale shall be LEGACY (victracker 1.0)
pl_Scale:
	ds.b	1

pl_Reserved0:
	ds.b	1	;pad

pl_SongNum:
	ds.b	1

;Start and end positions and Speeds for 16 songs 
pl_StartStep:
	ds.b	1
pl_EndStep:
	ds.b	1
pl_RepeatStep:
	ds.b	1
pl_StartSpeed:
	ds.b	1
;the remaining 13
	ds.b	4*13

pl_Arpeggios:
	ds.b	256
pl_ArpeggioConf:
	ds.b	32
pl_Reserved2:
	ds.b	60	;pad
pl_Title:
	ds.b	16	;null terminated _or_ exactly 16 chars
pl_Author:
	ds.b	16	;null terminated _or_ exactly 16 chars
pl_Year:
	ds.b	4	;year written as 4 ascii digits
pl_Sounds:
	ds.b	256
pl_LengthTab:
	ds.b	256
pl_Tab1:
	ds.b	256
pl_Tab2:
	ds.b	256
pl_Tab3:
	ds.b	256
pl_Tab4:
	ds.b	256
pl_Tab5:
	ds.b	256
pl_PatternData:
	ds.b	$40*128
TuneEnd:


File format T0 (victracker 1.0) :
------------------------------------

pl_ID: 
	ds.b	2	;'T0'
pl_Version:
	ds.b	1	;1
pl_Revision:
	ds.b	1	;0

;pad
	ds.b	3

pl_SongNum:
	ds.b	1

pl_StartStep:
	ds.b	1
pl_EndStep:
	ds.b	1
pl_StartSpeed:
	ds.b	1
;the remaining 15
	ds.b	3*15

;pad
	ds.b	8

pl_Arpeggios:
	ds.b	256
pl_Tab1:
	ds.b	256
pl_Tab2:
	ds.b	256
pl_Tab3:
	ds.b	256
pl_Tab4:
	ds.b	256
pl_Tab5:
	ds.b	256
pl_PatternData:
	ds.b	$40*128
TuneEnd:

# eof