User contributions
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
- 17:20, 25 January 2021 (diff | hist) . . (+20) . . m Serial ULA (Acorn part no.) (current)
- 17:19, 25 January 2021 (diff | hist) . . (+33) . . m Video ULA (Acorn part no.) (current)
- 16:11, 23 January 2021 (diff | hist) . . (+428) . . OSGBPB (→DFS: Opus/Slogger variations)
- 15:25, 12 January 2021 (diff | hist) . . (+399) . . OSWORD &7F (→Opus DDOS: register &12 and command &6C; added Challenger section)
- 21:18, 10 January 2021 (diff | hist) . . (+130) . . Opus DDOS (→Opus EDOS: ~) (current)
- 21:15, 10 January 2021 (diff | hist) . . (+78) . . Opus DDOS (→Opus EDOS: development)
- 19:20, 29 December 2020 (diff | hist) . . (-37) . . Opus DDOS (→Hardware: i8272 confirmed)
- 19:44, 28 December 2020 (diff | hist) . . (+93) . . OSWORD &7F (→Opus EDOS: other catalogue reading commands)
- 19:10, 28 December 2020 (diff | hist) . . (+172) . . OSWORD &7F (→Implementation: EDOS: *CATGEN also sets flags)
- 17:04, 23 December 2020 (diff | hist) . . (+58) . . UNTIL (→Dynamic programming: line 170 unreachable) (current)
- 16:41, 23 December 2020 (diff | hist) . . (+42) . . Service calls (quote comment from source code) (current)
- 16:31, 23 December 2020 (diff | hist) . . (+137) . . OSWORD &7F (→8271 Commands: GitHub code link for select bits toggling)
- 13:55, 23 December 2020 (diff | hist) . . (-2) . . m Opus DDOS (→Timeline: Aug 1985 ad pictured 1770)
- 13:41, 23 December 2020 (diff | hist) . . (+13) . . Video ULA (formatting/spelling/link fixes)
- 13:05, 23 December 2020 (diff | hist) . . (-10) . . Service calls (~)
- 12:41, 23 December 2020 (diff | hist) . . (+83) . . Service calls (call &0C: put code at &0D00 on possession)
- 18:56, 22 December 2020 (diff | hist) . . (+2) . . Opus DDOS (→Hardware: ~)
- 18:55, 22 December 2020 (diff | hist) . . (+34) . . Opus DDOS (→Hardware: WD 1770 board combines INTRQ and DRQ)
- 17:24, 22 December 2020 (diff | hist) . . (+200) . . Service calls (call &0B: reference for returning to previous owner)
- 20:28, 12 December 2020 (diff | hist) . . (+348) . . Opus DDOS (→Timeline: Acorn User review)
- 16:12, 12 December 2020 (diff | hist) . . (-82) . . Service calls (~)
- 16:02, 12 December 2020 (diff | hist) . . (-188) . . Service calls (~)
- 15:44, 12 December 2020 (diff | hist) . . (+21) . . Service calls (~)
- 15:28, 12 December 2020 (diff | hist) . . (+197) . . Service calls (call &0B/&0C: silly mistake)
- 13:18, 12 December 2020 (diff | hist) . . (+40) . . Service calls (call &0B: NMI area not a free-for-all)
- 13:08, 12 December 2020 (diff | hist) . . (+150) . . Service calls (call &0B: assumed semantics)
- 12:41, 12 December 2020 (diff | hist) . . (+32) . . Service calls (call &0C: preserve regs if its own call)
- 12:26, 12 December 2020 (diff | hist) . . (+878) . . Service calls (call &0C: Y=ID per appnote 031 and Y=&FF in FS ROM code are separate use cases, explained difference)
- 01:04, 11 December 2020 (diff | hist) . . (-2) . . m OSWORD &7F (→8271 Commands: wdg)
- 00:05, 11 December 2020 (diff | hist) . . (+48) . . OSWORD &7F (→8271 Commands: emulators don't support 128 byte commands)
- 23:53, 10 December 2020 (diff | hist) . . (+2,401) . . OSWORD &7F (corrected uses of drive select bits; DDOS implementation details)
- 16:56, 23 November 2020 (diff | hist) . . (+97) . . OSWORD &7F (→Opus EDOS: *OPT 6 forcing)
- 17:47, 19 November 2020 (diff | hist) . . (+249) . . Paged ROM (→Extended addressing: BAS128 supports direct assembly) (current)
- 14:10, 19 November 2020 (diff | hist) . . (+21) . . m Service calls (wdg)
- 12:52, 12 November 2020 (diff | hist) . . (+38) . . m OSBYTE &9D (wdg) (current)
- 12:44, 12 November 2020 (diff | hist) . . (+31) . . OSBPUT (see also OSBYTE &9D)
- 15:12, 10 November 2020 (diff | hist) . . (+17) . . Opus DDOS (EDOS O7F ignores gap5)
- 11:41, 10 November 2020 (diff | hist) . . (+8) . . m Opus DDOS (→EDOS: parm source drive)
- 17:42, 9 November 2020 (diff | hist) . . (+51) . . m Opus DDOS (wording)
- 14:53, 9 November 2020 (diff | hist) . . (+664) . . Opus DDOS (EDOS *FORMAT command details)
- 12:38, 9 November 2020 (diff | hist) . . (+274) . . Opus DDOS (DDOS ignores INTRQ, cannot infer dis/connection to NMI on FDC board)
- 23:02, 5 November 2020 (diff | hist) . . (+1,460) . . Opus DDOS (rm attacks, document formatting behaviours of each ROM separately)
- 14:07, 20 October 2020 (diff | hist) . . (0) . . m GSINIT (zero flag sense) (current)
- 19:04, 4 October 2020 (diff | hist) . . (-194) . . Opus DDOS (parser smarter than EDOS)
- 16:55, 4 October 2020 (diff | hist) . . (-64) . . Opus DDOS (→RAM disc: trims transfers after all)
- 11:09, 29 September 2020 (diff | hist) . . (+163) . . GSINIT (GSREAD safety)
- 11:07, 29 September 2020 (diff | hist) . . (+383) . . GSREAD (GSREAD safety)
- 21:32, 25 September 2020 (diff | hist) . . (+665) . . Paged ROM (→Operation: authority to change)
- 20:59, 25 September 2020 (diff | hist) . . (+81) . . Paged ROM (→Sideways RAM: B+ slots)
- 11:13, 6 September 2020 (diff | hist) . . (+4) . . m Talk:Opus DDOS (wd) (current)
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
