APU Noise: Revision history

27 September 2023

• curprev 20:3220:32, 27 September 2023‎ Zeta0134 talk contribs‎ 4,590 bytes +167‎ Clarify that noise period table is specified in CPU clocks

11 October 2020

• curprev 21:4121:41, 11 October 2020‎ Tepples talk contribs‎ 4,423 bytes +79‎ Mixer nonlinearity caveat

10 April 2020

• curprev 02:1602:16, 10 April 2020‎ Quietust talk contribs‎ m 4,344 bytes +51‎ clarify: in early chips, the Mode flag didn't even '''exist''', so there was nothing to "ignore"

10 January 2018

• curprev 00:4700:47, 10 January 2018‎ Tepples talk contribs‎ 4,293 bytes +1,451‎ Table: Pitches of 93-step noise on NTSC

15 August 2014

• curprev 06:3706:37, 15 August 2014‎ Lidnariq talk contribs‎ m 2,842 bytes −17‎ interwiki for LFSR. also, finish my comment from the previous edit: some tonal noise patterns are instead the 3rd harmonic of what's expected.
• curprev 06:3506:35, 15 August 2014‎ Lidnariq talk contribs‎ 2,859 bytes +27‎ Some Not all tonal

6 May 2013

• curprev 07:1507:15, 6 May 2013‎ Rainwarrior talk contribs‎ m 2,832 bytes +4‎ terminology, calling it a 32767/93 "bit" sequence creates confusion with the way bit is used in rest of article, using "step" instead

4 May 2013

• curprev 06:1806:18, 4 May 2013‎ Ulfalizer talk contribs‎ 2,828 bytes +54‎ Constant volume flag was missing, making it look like the volume/envelope field is 5 bits long. Also make consistent with main page by using 'v' instead of 'e'.

18 December 2012

• curprev 20:0220:02, 18 December 2012‎ Tepples talk contribs‎ m 2,774 bytes −5‎ Parodius Da? more like Parodius DEL

26 July 2012

• curprev 00:5800:58, 26 July 2012‎ Rainwarrior talk contribs‎ 2,779 bytes 0‎ correction to table (pitch $1 for PAL is 8, not 7)

26 May 2012

• curprev 20:0020:00, 26 May 2012‎ Rainwarrior talk contribs‎ m 2,779 bytes +17‎ APU category

30 December 2010

• curprev 10:1310:13, 30 December 2010‎ Jwdonal talk contribs‎ m 2,762 bytes +64‎ changed shift register name to its typically accepted name (and provided an interesting link! :))
• curprev 10:0010:00, 30 December 2010‎ Jwdonal talk contribs‎ m 2,698 bytes +15‎ Correction to bit description.

12 March 2010

• curprev 23:0223:02, 12 March 2010‎ Tepples talk contribs‎ 2,683 bytes +317‎ Old versions without looped noise

26 February 2010

• curprev 11:3911:39, 26 February 2010‎ Blargg talk contribs‎ 2,366 bytes −60‎ Reworked shift register description to never use more than 15 bits

22 February 2010

• curprev 04:3704:37, 22 February 2010‎ Blargg talk contribs‎ 2,426 bytes +166‎ Corrected LFSR description and clarified width

21 February 2010

• curprev 17:5917:59, 21 February 2010‎ Jwdonal talk contribs‎ m 2,260 bytes −1‎ This NOISE shift register is only 15 bits, not 16. So I removed the "-" that was representing the 16th bit to avoid any confusion. Now it is "%E------.-6----10"
• curprev 17:3817:38, 21 February 2010‎ Zepper talk contribs‎ m 2,261 bytes 0‎ →‎subject to un-do

1 July 2009

• curprev 05:2805:28, 1 July 2009‎ Banshaku talk contribs‎ m 2,261 bytes +4‎ No edit summary
• curprev 05:2805:28, 1 July 2009‎ Banshaku talk contribs‎ m 2,257 bytes −121‎ The triangle section was copied inside the noise one by accident.

12 June 2009

• curprev 15:0015:00, 12 June 2009‎ Banshaku talk contribs‎ m 2,378 bytes +2,378‎ Created page with 'The NES APU triangle channel generates a pseudo-triangle wave. It has no volume control; the waveform is either cycling or suspended. It includes a ''linear counter'', an...'