User contributions for Kermes

12 July 2021

• 19:3319:33, 12 July 2021 diff hist −1‎ m EGA Palette ‎ Fix an extra character in palette entry 8 current

25 October 2013

• 19:1019:10, 25 October 2013 diff hist 0‎ Talk:OPL chip ‎ Corrected typos. 96 notes is 8 octaves, not 12. There are 12 notes per octave though.
• 18:5818:58, 25 October 2013 diff hist +234‎ Talk:OPL chip ‎ Verified it is possible to change frequency of decaying sound.

12 July 2013

• 22:0322:03, 12 July 2013 diff hist +2,799‎ Talk:OPL chip ‎ Explanation of FNUM/BLOCK values in many music player applications
• 19:3919:39, 12 July 2013 diff hist +458‎ N Talk:OPL chip ‎ Added page, noteoff discussion

5 August 2012

• 21:3421:34, 5 August 2012 diff hist +600‎ OPL chip ‎ →‎08: CSW / NOTE-SEL: Explain how the NTS bit is used to select what kind of F-NUM values are expected within an octave.
• 20:4620:46, 5 August 2012 diff hist +520‎ OPL chip ‎ →‎B0-B8: Key On / Block Number / F-Number(hi bits): Explanation about sampling rate for F-NUM calculation.
• 20:1920:19, 5 August 2012 diff hist +427‎ OPL chip ‎ →‎80-95: Sustain Level / Release Rate: Corrected error in sustain level example. Explained register more.
• 17:4317:43, 5 August 2012 diff hist +219‎ OPL chip ‎ →‎60-75: Attack Rate / Decay Rate: Explain further special cases for rates.
• 17:3317:33, 5 August 2012 diff hist +182‎ OPL chip ‎ →‎40-55: Key Scale Level / Output Level: Explain Output Level further in decibels

3 August 2012

• 19:5919:59, 3 August 2012 diff hist +555‎ OPL chip ‎ →‎C0-C8: FeedBack Modulation Factor / Synthesis Type: Added rest of channel output selection bits and explanation.
• 19:3019:30, 3 August 2012 diff hist +81‎ OPL chip ‎ →‎Data Registers (base+1, base+3): Update changes to CSW, WSE and audio output channel bits CHD and CHC.
• 19:0119:01, 3 August 2012 diff hist +488‎ OPL chip ‎ →‎01: Test Register / Waveform Select Enable: OPL3 does not implement Waveform Select bit, explain operation.
• 18:3718:37, 3 August 2012 diff hist +70‎ OPL chip ‎ →‎08: CSW / NOTE-SEL: OPL3 does not implement Composite Sine Wave (CSW) mode.
• 18:0418:04, 3 August 2012 diff hist +154‎ OPL chip ‎ →‎40-55: Key Scale Level / Output Level: Correction to which KSL values select which attenuation.