User contributions for Johnnyo

21 February 2026

• 13:5613:56, 21 February 2026 diff hist 0 NextPort:$FF3B No edit summary current
• 13:5513:55, 21 February 2026 diff hist +2 NextPort:$FF3B No edit summary
• 13:5513:55, 21 February 2026 diff hist +54 NextPort:$FF3B No edit summary
• 13:5413:54, 21 February 2026 diff hist +541 N NextPort:$FF3B initial missing port info
• 13:5313:53, 21 February 2026 diff hist +5 NextPort:$E7 making nicer current
• 13:4413:44, 21 February 2026 diff hist −377 NextPort:$EB Undo revision 41796 by Johnnyo (talk) current Tag: Undo
• 13:4313:43, 21 February 2026 diff hist +540 N NextPort:$E7 adding port which had no entry
• 13:4213:42, 21 February 2026 diff hist +377 NextPort:$EB adding port which had no entry
• 13:3813:38, 21 February 2026 diff hist +26 N NextPort:$xxE7 add redirect current Tag: New redirect
• 13:3613:36, 21 February 2026 diff hist +26 N NextPort:$xxEB adding redirect current Tag: New redirect
• 13:3513:35, 21 February 2026 diff hist +122 N NextPort:$EB adding port which had no entry
• 13:2713:27, 21 February 2026 diff hist +20 N NextPort:$xxE3 add redirect current Tag: New redirect

24 January 2026

• 13:2613:26, 24 January 2026 diff hist +1 MAME:Installing →3. Get the NextZXOS Image: rearranging words

23 January 2026

• 18:1618:16, 23 January 2026 diff hist +83 MAME:Installing →Creating and manipulating NextZXOS SD card image: refer to zxnext.uk/hosted here too
• 18:1218:12, 23 January 2026 diff hist +12 MAME:Installing →3. Get the NextZXOS Image: emphasis to what works

17 January 2026

• 14:0314:03, 17 January 2026 diff hist −491 Extended Z80 instruction set →Z80N instructions opcodes: removed "2 x code" marks, fixed value in TEST line current

6 January 2026

• 07:3207:32, 6 January 2026 diff hist −434 DivMMC Trap Enable 2 Register non existent nextreg current
• 07:2907:29, 6 January 2026 diff hist −52 Board feature control →Next/TBBlue Feature Control Registers: remove entry to "not implemented" B4
• 07:2507:25, 6 January 2026 diff hist −483 DivMMC Trap Enable 1 Register to be removed current

30 December 2025

• 08:3808:38, 30 December 2025 diff hist 0 Board feature control →The list of ports: FE control first
• 08:2708:27, 30 December 2025 diff hist +191 Board feature control →The list of ports: link ports NN too
• 08:2308:23, 30 December 2025 diff hist +556 Board feature control →Next/TBBlue Feature Control Registers: link from the NextReg:$NN too
• 07:5007:50, 30 December 2025 diff hist +92 Board feature control →Next/TBBlue Feature Control Registers: added Pi GPIO which had '-'
• 07:4907:49, 30 December 2025 diff hist +30 N NextReg:$9B Redirected page to Pi GPIO Register current Tag: New redirect
• 07:4907:49, 30 December 2025 diff hist +30 N NextReg:$9A Redirected page to Pi GPIO Register current Tag: New redirect
• 07:4907:49, 30 December 2025 diff hist +30 N NextReg:$99 Redirected page to Pi GPIO Register current Tag: New redirect
• 07:4907:49, 30 December 2025 diff hist +30 N NextReg:$98-$9B Redirected page to Pi GPIO Register current Tag: New redirect
• 07:4907:49, 30 December 2025 diff hist +30 N NextReg:$98 Redirected page to Pi GPIO Register current Tag: New redirect
• 07:4807:48, 30 December 2025 diff hist +44 N NextReg:$93 Redirected page to Pi GPIO Output Enable Register current Tag: New redirect
• 07:4807:48, 30 December 2025 diff hist +44 N NextReg:$92 Redirected page to Pi GPIO Output Enable Register current Tag: New redirect
• 07:4807:48, 30 December 2025 diff hist +44 N NextReg:$91 Redirected page to Pi GPIO Output Enable Register current Tag: New redirect
• 07:4807:48, 30 December 2025 diff hist +44 N NextReg:$90-$93 Redirected page to Pi GPIO Output Enable Register current Tag: New redirect
• 07:4807:48, 30 December 2025 diff hist +44 N NextReg:$90 Redirected page to Pi GPIO Output Enable Register current Tag: New redirect
• 07:3807:38, 30 December 2025 diff hist +47 Board feature control Changing the subtitle to "About The Content of this Page"
• 07:3507:35, 30 December 2025 diff hist +23 Board feature control →The list of ports
• 07:3407:34, 30 December 2025 diff hist +1,081 Board feature control →Mapped Spectrum Ports: port list
• 07:2907:29, 30 December 2025 diff hist 0 NextPort:$xxFF No edit summary current
• 07:2907:29, 30 December 2025 diff hist +30 N NextPort:$xxFE Redirected page to ULA Control Port current Tag: New redirect
• 07:2807:28, 30 December 2025 diff hist +33 N NextPort:$xxDF Redirected page to SpecDrum DAC Output current Tag: New redirect
• 07:2807:28, 30 December 2025 diff hist 0 NextPort:$xx5B No edit summary current
• 07:2807:28, 30 December 2025 diff hist 0 NextPort:$xx57 No edit summary current
• 07:2807:28, 30 December 2025 diff hist +30 N NextPort:$FFDF Redirected page to Kempston Mouse Y current Tag: New redirect
• 07:2807:28, 30 December 2025 diff hist +30 N NextPort:$FBDF Redirected page to Kempston Mouse X current Tag: New redirect
• 07:2707:27, 30 December 2025 diff hist +36 N NextPort:$FADF Redirected page to Kempston Mouse Buttons current Tag: New redirect
• 07:2707:27, 30 December 2025 diff hist +34 N NextPort:$EFF7 Redirected page to Pentagon 1024 paging current Tag: New redirect
• 07:2707:27, 30 December 2025 diff hist +20 N NextPort:$E3 Redirected page to DIVMMC current Tag: New redirect
• 07:2707:27, 30 December 2025 diff hist 0 NextPort:$DFFD No edit summary current
• 07:2707:27, 30 December 2025 diff hist +21 N NextPort:$BFF5 Redirected page to AY Info current Tag: New redirect
• 07:2707:27, 30 December 2025 diff hist 0 NextPort:$7FFD No edit summary current
• 07:2707:27, 30 December 2025 diff hist 0 NextPort:$303B No edit summary current