APU Pulse: Revision history

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6 October 2022

12 June 2022

10 June 2022

29 June 2017

28 June 2017

7 January 2017

28 December 2016

22 December 2016

16 November 2014

12 July 2013

6 May 2013

4 May 2013

2 May 2013

29 April 2013

26 May 2012

4 October 2011

8 July 2011

  • curprev 19:5219:52, 8 July 2011Jwdonal talk contribsm 3,238 bytes +193 The channel diagram may look very different but the only "logic" that has actually changed from the original diagram is that it now shows how the sweep unit controls the period input to the timer.

14 May 2011

  • curprev 16:3716:37, 14 May 2011Quietust talk contribs 3,045 bytes +131 The duty cycle counter actually counts downward (since it's triggered by frequency counter underflow), but it's initialized to 000 rather than 111, which explains the waveform sequences

2 April 2010

1 April 2010

12 June 2009

  • curprev 14:5914:59, 12 June 2009Banshaku talk contribsm 2,466 bytes +2,466 Created page with 'Each of the two NES APU pulse (square) wave channels generate a pulse wave with variable duty. Each pulse channel contains the following: [[APU Envelope|envelope generat...'