User contributions for Mahjongg
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21 August 2016
- 23:4623:46, 21 August 2016 diff hist +20 ZX81PLUS35 ZX81 clone →Found basic, but major error in ZX81+35
- 23:4623:46, 21 August 2016 diff hist +1,066 ZX81PLUS35 ZX81 clone →Started design of my own PSG board
- 23:2423:24, 21 August 2016 diff hist +394 N File:ZX81+35 REV 4.0.pdf New schematic which has the edge connector rotated 180 degrees, to correspond with the layout which has to get the same correction to correspond to the original ZX81 which has pin 1 on the left hand side (bottom side for the ZX81+35) also the edge conn...
9 August 2016
- 20:5220:52, 9 August 2016 diff hist +45 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.6, decided upon a DM3D Push-Pull micro-SD card reader
- 20:5020:50, 9 August 2016 diff hist 0 N File:PSG for ZX81+35 REV 1.6.png No edit summary
- 20:2920:29, 9 August 2016 diff hist +26 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.6, decided upon a DM3D Push-Pull micro-SD card reader
- 20:2720:27, 9 August 2016 diff hist +33 N File:PSG for ZX81+35 REV 1.6.pdf version with DM3D-SF card reader.
- 20:2420:24, 9 August 2016 diff hist +332 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.5 with multiple PSG board support
27 July 2016
- 18:3118:31, 27 July 2016 diff hist 0 File:PSG for ZX81+35 REV 1.3 3D PREVIEW.png Mahjongg uploaded a new version of File:PSG for ZX81+35 REV 1.3 3D PREVIEW.png
26 July 2016
- 21:3021:30, 26 July 2016 diff hist 0 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.5 with multiple PSG board support
- 21:2921:29, 26 July 2016 diff hist 0 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.5 with multiple PSG board support
- 21:2921:29, 26 July 2016 diff hist +7 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.5 with multiple PSG board support
- 21:2821:28, 26 July 2016 diff hist −7 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.5 with multiple PSG board support
- 21:2821:28, 26 July 2016 diff hist +45 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.5 with multiple PSG board support
- 21:2621:26, 26 July 2016 diff hist +17 N File:PSG for ZX81+35 REV 1.5.png multi PSG support
- 21:1621:16, 26 July 2016 diff hist +1 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.5 with multiple PSG board support
- 21:1521:15, 26 July 2016 diff hist +680 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.4 with level shifting resistor dividers
- 21:0221:02, 26 July 2016 diff hist +45 N File:PSG for ZX81+35 REV 1.5.pdf Added possibility to use multiple PSG boards.
24 July 2016
- 22:3122:31, 24 July 2016 diff hist +185 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Revision 1.4 with level shifting resistor dividers
- 22:2822:28, 24 July 2016 diff hist 0 File:PSG for ZX81+35 REV 1.4.pdf Mahjongg uploaded a new version of File:PSG for ZX81+35 REV 1.4.pdf