NSF: Revision history

22 June 2023

• curprev 06:1806:18, 22 June 2023‎ Rainwarrior talk contribs‎ 22,513 bytes +61‎ →‎Header Overview: more information about frequency of extended character encodings, Shift-JIS is the more common, used by many Famicompo participants. 1252 Latin I don't have any ready examples for.

9 March 2023

• curprev 22:3022:30, 9 March 2023‎ Rainwarrior talk contribs‎ 22,452 bytes +199‎ →‎References: reference the original specification and Kevtris' HardNES implementation

25 May 2021

• curprev 08:3408:34, 25 May 2021‎ NewRisingSun talk contribs‎ 22,253 bytes +75‎ Several NSF-format files with VT02+ audio have already been released, so we might as well make this official.

9 November 2020

• curprev 15:5815:58, 9 November 2020‎ Quietust talk contribs‎ m 22,178 bytes −3‎ No edit summary

26 June 2020

• curprev 13:5913:59, 26 June 2020‎ SW talk contribs‎ 22,181 bytes +12‎ →‎See also

1 July 2019

• curprev 17:5917:59, 1 July 2019‎ Rainwarrior talk contribs‎ 22,169 bytes +106‎ →‎Multi-chip tunes: describe the 5B + N163/VRC7 conflict, describe a potential solution, also unify FDS description with the list format instead of separating it
• curprev 16:4116:41, 1 July 2019‎ Tepples talk contribs‎ 22,063 bytes +124‎ →‎Multi-chip tunes: VRC7/N163 silence register

5 March 2019

• curprev 00:4100:41, 5 March 2019‎ Rainwarrior talk contribs‎ 21,939 bytes +295‎ →‎Initializing a tune: NSF2 forward compatibility suggestion for Y

3 March 2019

• curprev 05:5505:55, 3 March 2019‎ Rainwarrior talk contribs‎ 21,644 bytes +92‎ →‎Header Overview: string encoding
• curprev 05:5005:50, 3 March 2019‎ Rainwarrior talk contribs‎ m 21,552 bytes −15‎ →‎APU: NSF2 no longer proposal
• curprev 05:4905:49, 3 March 2019‎ Rainwarrior talk contribs‎ 21,567 bytes +239‎ updating for NSF2

17 February 2019

• curprev 05:3705:37, 17 February 2019‎ Rainwarrior talk contribs‎ 21,328 bytes −24‎ The reason given for no IRQ is probably false (I don't know if there was ever a hardware player that used IRQ to drive PLAY?), reviewing old forum posts and players it seems IRQ was just never consistently available and rippers collectively eschewed it.

20 November 2018

• curprev 05:5005:50, 20 November 2018‎ Koitsu talk contribs‎ 21,352 bytes +23‎ No edit summary

31 August 2018

• curprev 01:0801:08, 31 August 2018‎ Rainwarrior talk contribs‎ 21,329 bytes +13‎ →‎Initializing a tune: need to clear all the length counters by writing 0 to $4015 as well before enabling all the channels.

25 August 2018

• curprev 18:5218:52, 25 August 2018‎ Rainwarrior talk contribs‎ 21,316 bytes +211‎ →‎Caveats: note about PowerPak and how its banking implementation fails to switch tracks for this case

21 August 2018

• curprev 05:2505:25, 21 August 2018‎ Rainwarrior talk contribs‎ 21,105 bytes +126‎ →‎Header Overview: note that Japanese mostly doesn't appear in game rips, ASCII is good enough in majority of cases
• curprev 05:0805:08, 21 August 2018‎ Rainwarrior talk contribs‎ 20,979 bytes +228‎ →‎Header Overview: note the string types

9 August 2018

• curprev 07:5407:54, 9 August 2018‎ Rainwarrior talk contribs‎ 20,751 bytes −202‎ →‎Header Overview: removing premature designation

12 September 2017

• curprev 20:0820:08, 12 September 2017‎ Tepples talk contribs‎ m 20,953 bytes +84‎ →‎Header Overview: word it better
• curprev 20:0420:04, 12 September 2017‎ Tepples talk contribs‎ 20,869 bytes +63‎ →‎Header Overview: Little endian. B00daW on FamiTracker.org Discord server asked for this clarification.

18 June 2017

• curprev 01:3901:39, 18 June 2017‎ B00daW talk contribs‎ 20,806 bytes +201‎ expanded "extra sound chip support"

16 May 2016

• curprev 20:2520:25, 16 May 2016‎ Rainwarrior talk contribs‎ 20,605 bytes +139‎ forum reference for psuedo-irq technique

1 February 2016

• curprev 09:2909:29, 1 February 2016‎ Rainwarrior talk contribs‎ m 20,466 bytes −38‎ →‎Pseudo-IRQ Technique: trim speculation on why some hardware players fail (the reasons are probably various)
• curprev 09:2609:26, 1 February 2016‎ Rainwarrior talk contribs‎ 20,504 bytes +584‎ Deflemask technique does not seem to be outside of spec if it allows non-returning play, revising.
• curprev 04:5304:53, 1 February 2016‎ Rainwarrior talk contribs‎ m 19,920 bytes −5‎ →‎Pseudo-IRQ Variant: numbered list formatting
• curprev 04:5304:53, 1 February 2016‎ Rainwarrior talk contribs‎ 19,925 bytes +865‎ adding note about deflemask trick

29 July 2015

• curprev 07:3307:33, 29 July 2015‎ Rainwarrior talk contribs‎ m 19,060 bytes +4‎ →‎Caveats: PowerPak

17 March 2015

• curprev 22:3922:39, 17 March 2015‎ Tepples talk contribs‎ 19,056 bytes +66‎ →‎See also: 31

28 October 2014

• curprev 03:2103:21, 28 October 2014‎ Rainwarrior talk contribs‎ 18,990 bytes +122‎ →‎Playing a tune: note about common use for non-returning play

25 January 2014

• curprev 00:1200:12, 25 January 2014‎ Blargg talk contribs‎ m 18,868 bytes +79‎ Clean up lede

8 May 2013

• curprev 22:5022:50, 8 May 2013‎ Rainwarrior talk contribs‎ 18,789 bytes 0‎ →‎Playing a tune: 16639 is closer than 16640

10 March 2013

• curprev 02:3102:31, 10 March 2013‎ Zzo38 talk contribs‎ 18,789 bytes +36‎ No edit summary

8 March 2013

• curprev 20:0020:00, 8 March 2013‎ Rainwarrior talk contribs‎ 18,753 bytes +133‎ clarifying use of stack
• curprev 14:2714:27, 8 March 2013‎ Tepples talk contribs‎ 18,620 bytes +121‎ →‎Playing a tune: Return every few frames if possible

27 January 2013

• curprev 22:3622:36, 27 January 2013‎ Zzo38 talk contribs‎ 18,499 bytes −74‎ No edit summary

29 November 2012

• curprev 21:2721:27, 29 November 2012‎ Rainwarrior talk contribs‎ 18,573 bytes +151‎ →‎Caveats: clarifying use of PAL/NTSC bits
• curprev 01:2601:26, 29 November 2012‎ Rainwarrior talk contribs‎ m 18,422 bytes −207‎ →‎VRCVI: clarification: 9003 is relevant,

17 November 2012

• curprev 06:5706:57, 17 November 2012‎ Rainwarrior talk contribs‎ m 18,629 bytes −44‎ →‎Header Overview: PAL/NTSC bits are unlike NES 2.0

15 November 2012

• curprev 18:1018:10, 15 November 2012‎ Rainwarrior talk contribs‎ 18,673 bytes +204‎ extensions NSFe / NSF2

7 October 2012

• curprev 20:1920:19, 7 October 2012‎ Zzo38 talk contribs‎ 18,469 bytes +430‎ No edit summary

17 September 2012

• curprev 20:3820:38, 17 September 2012‎ Zzo38 talk contribs‎ 18,039 bytes +96‎ No edit summary
• curprev 20:3720:37, 17 September 2012‎ Zzo38 talk contribs‎ 17,943 bytes +1,224‎ No edit summary

15 September 2012

• curprev 23:1223:12, 15 September 2012‎ Rainwarrior talk contribs‎ 16,719 bytes +133‎ →‎Caveats: vector table

2 September 2012

• curprev 05:2205:22, 2 September 2012‎ Rainwarrior talk contribs‎ 16,586 bytes +380‎ →‎Caveats: shouldn't init stack manually

26 August 2012

• curprev 17:4617:46, 26 August 2012‎ Rainwarrior talk contribs‎ 16,206 bytes +70‎ →‎See also: linking NSF player list on emulation libraries page

17 August 2012

• curprev 20:0720:07, 17 August 2012‎ Rainwarrior talk contribs‎ 16,136 bytes +325‎ →‎FDS Bankswitching
• curprev 19:3419:34, 17 August 2012‎ Rainwarrior talk contribs‎ 15,811 bytes +187‎ →‎Loading a tune into RAM: note about LOAD < $8000
• curprev 10:5410:54, 17 August 2012‎ Rainwarrior talk contribs‎ 15,624 bytes +158‎ →‎FDS Bankswitching: clarifying state of players/emulators
• curprev 00:3300:33, 17 August 2012‎ Rainwarrior talk contribs‎ 15,466 bytes +155‎ →‎FDS Bankswitching: note on mirrored writes

16 August 2012

• curprev 18:5718:57, 16 August 2012‎ Rainwarrior talk contribs‎ 15,311 bytes +188‎ →‎FDS Bankswitching: write persistence between songs