User contributions
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- 22:37, 8 March 2015 (diff | hist) . . (0) . . m DIM Basic432
- 22:37, 8 March 2015 (diff | hist) . . (-2) . . m TAN (→Detailed) (current)
- 22:34, 8 March 2015 (diff | hist) . . (+484) . . BASIC Versions (Fixed links and references.)
- 22:14, 8 March 2015 (diff | hist) . . (-1) . . m SIN (→Detailed)
- 22:13, 8 March 2015 (diff | hist) . . (0) . . m Decode Opcodes
- 22:12, 8 March 2015 (diff | hist) . . (-1) . . m DIM Basic432
- 22:11, 8 March 2015 (diff | hist) . . (-1) . . m COS (→Detailed) (current)
- 22:10, 8 March 2015 (diff | hist) . . (0) . . m BBC Micro
- 22:07, 8 March 2015 (diff | hist) . . (-2) . . m ARM Evaluation System (→See also) (current)
- 22:05, 8 March 2015 (diff | hist) . . (+88) . . m Simple notify (.) (current)
- 21:56, 8 March 2015 (diff | hist) . . (+154) . . m Simple DFS Formatter (current)
- 21:53, 8 March 2015 (diff | hist) . . (+12) . . m CALL (→References)
- 21:50, 8 March 2015 (diff | hist) . . (+16) . . m CALL (→Register usage)
- 21:46, 8 March 2015 (diff | hist) . . (+46) . . CALL (→32000 BASIC)
- 21:40, 8 March 2015 (diff | hist) . . (+26) . . m Denormalising a number (it's/its)
- 21:35, 8 March 2015 (diff | hist) . . (+74) . . m ARM BBC BASIC (Typos.) (current)
- 21:23, 8 March 2015 (diff | hist) . . (0) . . m SOUND
- 21:16, 8 March 2015 (diff | hist) . . (-1) . . m SOUND (→Defined channel numbers)
- 21:15, 8 March 2015 (diff | hist) . . (+15) . . PDP-11 Second Processor (→See also)
- 21:14, 8 March 2015 (diff | hist) . . (0) . . m Floating Point number format (→See Also)
- 21:13, 8 March 2015 (diff | hist) . . (+611) . . Floating Point number format (→Implementations)
- 20:48, 8 March 2015 (diff | hist) . . (-5) . . BBC BASIC (Updated links.)
- 20:42, 8 March 2015 (diff | hist) . . (+104) . . N File:Vortex gameplay screenshot.png (''Vortex'' (Software Invasion, 1983) gameplay screenshot, showing a typical <code>MODE 4</code> display.) (current)
- 20:42, 8 March 2015 (diff | hist) . . (+191) . . N File:Video ULA serialisation block diagram.png (Block diagram equivalent to the video generation function of the Video ULA in <code>MODE</code>s 0–6. In <code>MODE 7</code> the ULA repeats the RGB Teletext inputs, not shown. My own work.) (current)
- 20:41, 8 March 2015 (diff | hist) . . (+177) . . N File:Video ULA pinout.png (Pinout of the VLSI Video Processor, VC 2069/201647. The Ferranti Video ULA is pin-compatible. Based on scans of the BBC Micro circuit diagram formerly archived at The BBC Lives!)
- 20:41, 8 March 2015 (diff | hist) . . (+211) . . N File:User defined stick figure.png (Defining a user character with <code>VDU 23</code>. This bitmap can be assigned to character 224 using the following statement: <pre>VDU 23,224,28,28,8,127,8,20,34,65</pre> Regregex 20:43, 13 December 2007 (UTC)) (current)
- 20:40, 8 March 2015 (diff | hist) . . (+91) . . N File:Tomcat gameplay screenshot.png (''Tomcat'' (Players, 1989) gameplay screenshot, showing a rich <code>MODE 4</code> display.) (current)
- 20:40, 8 March 2015 (diff | hist) . . (+249) . . N File:Text window.png (Defining a text window in <code>MODE 4</code>, using <code>VDU 28</code>. The distances are measured in character cells, and always from the top left corner of the screen. The size of the character cells, and thus the window's position on the screen) (current)
- 20:39, 8 March 2015 (diff | hist) . . (+145) . . N File:Terrordactyls gameplay screenshot.png ("The Terrordactyls" from ''Doctor Who: The First Adventure'' (BBC Soft, 1983) gameplay screenshot, showing a typical <code>MODE 1</code> display.) (current)
- 20:39, 8 March 2015 (diff | hist) . . (+109) . . N File:Street Machine gameplay screenshot.png (''Street Machine'' (Software Invasion, 1986) gameplay screenshot, showing a rich <code>MODE 2</code> display.) (current)
- 20:38, 8 March 2015 (diff | hist) . . (+106) . . N File:Starship Command gameplay screenshot.png (''Starship Command'' (Acornsoft, 1983) gameplay screenshot, showing a typical <code>MODE 4</code> display.) (current)
- 20:38, 8 March 2015 (diff | hist) . . (+102) . . N File:Space Invaders gameplay screenshot.png (''Space Invaders'' (Acornsoft, 1982) gameplay screenshot, showing a colourful MODE 7 graphics display.) (current)
- 20:37, 8 March 2015 (diff | hist) . . (+252) . . N File:Serial ULAs.jpg (The two pin-compatible serial processors used in the BBC Micro and Master series: the Ferranti Serial ULA (2C199E-7, top) and the VLSI Serial Processor or SERPROC (VC2026/201648, bottom). There was a subtle difference in the functionality of the chips.) (current)
- 20:37, 8 March 2015 (diff | hist) . . (+215) . . N File:Serial ULA pinout.png (Pinout of the VLSI Serial Processor, VC 2026/201647. The Ferranti Serial ULA is pin-compatible but lacks frequency level inversion. Based on scans of the BBC Micro circuit diagram formerly archived at The BBC Lives!) (current)
- 20:36, 8 March 2015 (diff | hist) . . (+106) . . N File:Screwball intro screenshot.png (''Screwball'' (MRM Software, 1984) intro screenshot, showing a colourful <code>MODE 7</code> text display.) (current)
- 20:36, 8 March 2015 (diff | hist) . . (+138) . . N File:Prison gameplay screenshot.png ("The Prison" from ''Doctor Who: The First Adventure'' (BBC Soft, 1983) gameplay screenshot, showing a typical <code>MODE 2</code> display.) (current)
- 20:35, 8 March 2015 (diff | hist) . . (0) . . N File:OSWRCH output fanout.png
- 20:35, 8 March 2015 (diff | hist) . . (+254) . . N File:NMI timing diagram.png (Diagram of worst case timings of interrupt service routines for quad density floppy disc access. According to Sonninen et al. in "64doc", to interrupt the next instruction the NMI must arrive before the last cycle of the current instruction. Thus, in the) (current)
- 20:35, 8 March 2015 (diff | hist) . . (+255) . . N File:Nmi rdio 16us check.png (Extended timing diagrams for the worst case of reading to I/O memory. NMIs must be no less than 16 − ε µs apart. The ε (epsilon) means that in the worst case the NMIs will just miss one decision point and just catch the next. There are two CPU timing) (current)
- 20:34, 8 March 2015 (diff | hist) . . (+155) . . N File:MODE 10 BBC demonstration.png (Demonstration of the unofficial "MODE 10" on the BBC Micro, developed by Ian Robertson and published in ''The Micro User'' magazine (November 1985, p.123).) (current)
- 20:33, 8 March 2015 (diff | hist) . . (+154) . . N File:MODE 9 BBC demonstration.png (Demonstration of the unofficial "MODE 9" on the BBC Micro, developed by Ian Robertson and published in ''The Micro User'' magazine (November 1985, p.123).) (current)
- 20:32, 8 March 2015 (diff | hist) . . (-2) . . MODE 8
- 20:31, 8 March 2015 (diff | hist) . . (+268) . . N File:MODE 8 BBC demonstration.png (Demonstration of the unofficial "MODE 8" on the BBC Micro, developed by Ian Robertson and published in ''The Micro User'' magazine (November 1985, p.123). An alternative example is found in ''The Advanced User Guide for the BBC Microcomputer'' (Bray, D...) (current)
- 20:29, 8 March 2015 (diff | hist) . . (0) . . File:Inter-Word editing screen.png (WikiSysop uploaded a new version of "File:Inter-Word editing screen.png": A text file being edited in ''Inter-Word'' (Computer Concepts, 1986), showing a typical <code>MODE 0</code> display.) (current)
- 20:28, 8 March 2015 (diff | hist) . . (+126) . . N File:Inter-word editing screen detail.png (Detail of a text file being edited in ''Inter-Word'' (Computer Concepts, 1986), showing a typical <code>MODE 0</code> display.) (current)
- 20:27, 8 March 2015 (diff | hist) . . (+126) . . N File:Inter-Word editing screen.png (Detail of a text file being edited in ''Inter-Word'' (Computer Concepts, 1986), showing a typical <code>MODE 0</code> display.)
- 20:27, 8 March 2015 (diff | hist) . . (+95) . . N File:Impact gameplay screenshot.png (''Impact!'' (Audiogenic, 1987) gameplay screenshot, showing a rich <code>MODE 5</code> display.) (current)
- 20:27, 8 March 2015 (diff | hist) . . (+185) . . N File:High density screenshot.jpg (Screenshot of an extensively-patched ''Opus EDOS'' (Alan Williams, 1984) partitioning and cataloguing a high-density disc. Taken shortly after the first successful test on 11 July 2009.) (current)
- 20:26, 8 March 2015 (diff | hist) . . (+123) . . N File:High density modified board.jpg (Top side of an Opus EO 118 floppy drive controller daughterboard for the BBC Micro, modified to enable high-density access.) (current)
- 20:25, 8 March 2015 (diff | hist) . . (+277) . . N File:Graphics window.png (Defining a graphics window using <code>VDU 24</code>. The distances are actually measured from the graphics origin, which is in its default position at the bottom left corner of the screen. The BASIC command to define this window is: <code>VDU 23,left;...) (current)
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