first commit

Author: rauls

README.md

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+#Protracker 1.2e BUGFIXED(DUAL AMIGA VER)
+
+
+Hook up 2 Amigas via serial port to play 8channels
+via a NULL cable, they are synced up to each other
+with in one 50hz field.
+
+
+![alt text](screen.png "Screen")
+
+
+#NOTE:
+ sorry for the last version being bugged up, that is
+because I just grabbed my old disk and sent it up
+assuming it worked , at least it did on 2 A500's
+12months ago, but now???, so I hooked my A500 up
+next to my A1200 to be sure this time, and what do you
+know, BANG it crashed , so I went on to fix it and
+here it is!
+
+
+The Protrackers send the commands at 19200 buad to
+each other, so they are really both masters to
+each other.
+*Commands*
+	ascii  note
+	-------------------
+	 '1'   Play Song
+	 '2'   Play Pattern
+	 '3'   Record song
+	 '4'   Stop all
+
+
+
+------------------- pt12d docs follow ---------------------
+
+This is the same as the old protracker 1.2b or so
+but with the added benefit of doing real 8 channel
+modules. What you do is hook up two amigas via a null
+cable (serial to serial)  and then when you play/record
+on one amiga it instantly (with maximum 20ms delay apart)
+does the same on the other one, so just make two modules
+which play well together and pressplay on either ONE!
+then it will send the signal to do the same on the other
+amiga. Playing via the gadgets will only play on your local
+machine and playing via keyboard will do iton both
+so ALT  or AMIGA will play serial and RSHIFT will 
+make both record at once so you can edit the SO CALLED
+8 tracks easily
+
+I thought of this in early 1992 and then I implemented it in
+protracker for a friend of mine. Then I saw the future options
+for protracker 3.1 and they thought of it too but till
+this date it still aint do it.  RIP it off me please!!!!!!
+
+It also has pitch control for each track, nice to play with!
+
+In the sample edit there is a button called MON
+this monitors incoming audio from 8bit sampler and displays
+it in full screen, cool to watch on HUGE TV!
+
+
+Other hardware needed, yo need an audio mixed so you can
+mix both amiga's audio signals together to get full 
+8 channel audio.
+
+
+OK all, so here it is have fun and the source is supplied
+if you have any problems with timing etc...
+You can change it your self!
+
+BTW: all (most) pictures with in PT are IFF so they
+all are included in to the thing when compiled (ASM)
+I used devpac and it worked fine!
+Do NOT USE Brilliance to save your IFF's they contain
+an xtra chunk which the IFF decode code gets confused with
+use DPAINT otherwise just fix the IFF DECODE code.

big/iff/PTClearBox.iff

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+; Use this to make helpfile offsets
+; load file at $40000, run and save from
+; $40000-1024 to $40000+filelength
+
+main	LEA	$40000,A0
+mloop	CMP.B	#94,(A0)+
+	BEQ	nose
+	CMP.L	#$50000,A0
+	BNE	mloop
+	RTS
+
+nose	MOVE.L	A0,A1
+	SUB.L	#$40001,A1
+	MOVEQ	#0,D0
+	MOVE.B	(A0)+,D0
+	SUB.B	#'0',D0
+	CMP.B	#9,D0
+	BLS	nose2
+	SUBQ.B	#7,D0
+nose2	LSL.B	#4,D0
+	MOVE.B	(A0)+,D1
+	SUB.B	#'0',D1
+	CMP.B	#9,D1
+	BLS	nose3
+	SUBQ.B	#7,D1
+nose3	OR.B	D1,D0
+	LSL.W	#2,D0
+	LEA	$40000-1024,A2
+	ADD.L	D0,A2
+	MOVE.L	A1,(A2)
+	BRA	mloop
+