All public logs

Combined display of all available logs of RevSpace. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 20:53, 27 September 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 2.0.png (version with corrected expansion port orientation)
• 20:44, 27 September 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 2.0.pdf (version with corrected orientation (rotation) of expansion connector(s))
• 20:51, 20 September 2016 Mahjongg talk contribs uploaded File:Layout ZX81+35 Rev4.0 20 September 2016.png (Re-layed-out with corrected expansion connector rotation.)
• 23:24, 21 August 2016 Mahjongg talk contribs uploaded 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...)
• 20:50, 9 August 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.6.png
• 20:27, 9 August 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.6.pdf (version with DM3D-SF card reader.)
• 18:31, 27 July 2016 Mahjongg talk contribs uploaded a new version of File:PSG for ZX81+35 REV 1.3 3D PREVIEW.png (support for multiple PSG's rev 1.5)
• 21:26, 26 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.5.png (multi PSG support)
• 21:02, 26 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.5.pdf (Added possibility to use multiple PSG boards.)
• 22:28, 24 July 2016 Mahjongg talk contribs uploaded a new version of File:PSG for ZX81+35 REV 1.4.pdf (corrected resistor values, so that SD can actually pull down level on PSG below logic low level of PSG.)
• 21:25, 24 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.4.png (version with resistor dividers)
• 21:08, 24 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.4.pdf (revised version with resistor dividers between PSG and SD-card slot to convert 5V PSG levels to 3V3 SD-card levels, datalines are pulled up clock and latch lines not (pulled low by resistor divider).)
• 13:41, 21 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.3 3D PREVIEW.png (PSG board with SD-card interface 3D preview)
• 21:58, 19 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.3.png (FIRST VERSION WITH SD-CARD SLOT)
• 21:54, 19 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.3.pdf (FIRST VERSION WITH SD-CARD SLOT)
• 21:36, 12 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.2.png (Third version, complete but GPIO's not yet used.)
• 21:32, 12 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.2.pdf (third version)
• 12:46, 6 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.1.png (work in progress)
• 21:29, 5 July 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.1.pdf
• 20:23, 28 June 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.0 medium.png (Smaller version, not as absurdly large as the original.)
• 19:44, 28 June 2016 Mahjongg talk contribs uploaded File:PSG for ZX81+35 REV 1.0.png (First version PSG for ZX81+35)
• 22:36, 26 June 2016 Mahjongg talk contribs moved page Zon X-81 expansion for ZX81+35 to Zon X-81 Programmable Sound Generator expansion for ZX81+35 (more descriptive name)
• 11:26, 24 June 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary)-1.png (final version)
• 21:03, 21 June 2016 Mahjongg talk contribs uploaded a new version of File:ZONX sound expansion REV 2,0.pdf
• 23:39, 19 June 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary)-1.png (color version, with corrections and enhancements,)
• 21:39, 19 June 2016 Mahjongg talk contribs uploaded File:ZONX sound expansion REV 2,0.pdf (second corrected version)
• 21:06, 14 June 2016 Mahjongg talk contribs uploaded File:ZON X sound expansion.pdf (ZX81 Programmable Sound expansion from BI-PAK; succeed the earlier model ZON X-81)
• 17:51, 8 June 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary)-1.png (added preliminary decoder (without read PSG))
• 21:20, 7 June 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary).pdf (ADDED PRELIMINARY LOGIC)
• 20:59, 25 May 2016 Mahjongg talk contribs uploaded File:Sound expansion (preliminary)-1.png (second iteration preliminary, interface of ay-3-8912 starting to take shape)
• 21:43, 24 May 2016 Mahjongg talk contribs uploaded a new version of File:Sound expansion (preliminary).pdf (SECOND VERSION)
• 21:30, 17 May 2016 Mahjongg talk contribs uploaded File:Sound expansion (preliminary).pdf (Unfinished expansion module with AY-3-8912 PSG for the ZX81+35)
• 17:26, 8 April 2016 Mahjongg talk contribs uploaded File:Sound & edge connector expansion board example.png (An example of a possible expansion board, AY-8912 (ZON-X) sound, SD-Card interface and standard edge connector.)
• 17:31, 6 April 2016 Mahjongg talk contribs uploaded a new version of File:1e ontwerp bodem met PCB's.png (Better angle, added screws)
• 20:33, 5 April 2016 Mahjongg talk contribs uploaded a new version of File:1e ontwerp bodem met PCB's.png (removed white border around picture)
• 18:29, 5 April 2016 Mahjongg talk contribs uploaded File:1e ontwerp bodem met PCB's.png (1e concept bodem met inhoud ZX81+35)
• 18:28, 5 April 2016 Mahjongg talk contribs uploaded File:1e ontwerp concept bodem.png (1e concept van bodem ZX81+35)
• 23:59, 2 April 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 REV 3.0.pdf (Changed R59 to 10K (from 4K7) for better stability with cassette interface pulses that contain a lot of odd harmonics, which would otherwise randomly "split" the pulse in two digital pulses.)
• 18:23, 1 April 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 revision 2.2 december 2015 front preview.png (New updated version with pinheader keyboard connection and mounting holes)
• 17:23, 28 March 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 REV 3.0.pdf (changed 10uF cap in cassette interface to 4n7)
• 17:07, 28 March 2016 Mahjongg talk contribs uploaded File:Average value after 0,15 sec with 4.7nF cap.png
• 16:48, 28 March 2016 Mahjongg talk contribs uploaded File:Average value after 0,15 sec with 10uF cap.png
• 15:01, 27 March 2016 Mahjongg talk contribs uploaded File:Layout ZX81+35 Rev 3 27 May 2016.png
• 14:49, 27 March 2016 Mahjongg talk contribs uploaded a new version of File:ZX81+35 REV 3.0.pdf (Implemented working cassette input interface)
• 11:51, 27 March 2016 Mahjongg talk contribs uploaded File:Swing.png
• 15:31, 25 March 2016 Mahjongg talk contribs uploaded File:Picture of spice Wave forms on cassette interface ZX81+35.png (Picture of simulation wave forms of improved cassette interface ZX81+35)
• 15:29, 25 March 2016 Mahjongg talk contribs uploaded File:Picture of Spice model of cassette interface ZX81+35.png (picture of improved cassette interface)
• 15:28, 25 March 2016 Mahjongg talk contribs uploaded File:Wave forms on cassette interface ZX81+35.pdf (Simulation of wave forms on improved cassette interface)
• 15:28, 25 March 2016 Mahjongg talk contribs uploaded File:Spice model of cassette interface ZX81+35.pdf (improved cassette interface)
• 00:38, 23 March 2016 Mahjongg talk contribs uploaded File:Cassette interface march 23 2016.png (first revised cassette interface)