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  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... read attribute port #FF for screen sync in menu and during ... /+3 models not contain at adress #39FF two bytes #FF,#FF ... = IM2 interrupt jump to incorrect adress...

    Here is fixed ...
    velesoft velesoft April 2013 Games
  • Timex undocumented video modesHi people. Please check my assumption about the functioning of the Timex in undocumented video modes: D2D1D0 wr #FF 0 0 0 - ZX color mode, the base …

    ... screen #6000
    0 1 0 - Multicolor mode, pixel adress #4000, attribute adress ... Multicolor mode, pixel adress #6000, attribute adress #4000
    screen #6000
    1 1 0 - 512x192 mode, even column adress ... even column adress #6000, odd column adress #4000[/ ...
    rga24 rga24 April 2013 Hardware
  • Optimisations in Exomizer Z80 decrunch codeThis is the 163 bytes old code (simple and optimized): [CODE] ld iy, exo_mapbasebits ld a, 128 ld b, 52 push de exo…

    ... they have their own destination adress per file? If exomizer build ... have to give the destination adress at first, i expect.[/QUOTE ... two blocks, one for a screen and another for the game ...
    antoniovillena antoniovillena May 2013 Development
  • generating a pre-defined list in an un-defined sequenceI've decided to become a drunkard, to which end I've been drinking a whole bottle of beer in one day (whereas normally I'd make it last 2 or 3 days).…

    ... was another image already on screen.[/QUOTE]

    If I ... using JR's RND and AA's long multiplication routine and ... bytes in synch with their screen addresses otherwise it wouldn't ...
    Battle Bunny Battle Bunny July 2013 Sinclair Basic
  • A few Windows 8 questions...I'm thinking of picking up a new desktop pc for use on my big telly but pretty much every new machine I've seen is now pre-installed with Windows 8. …

    ... that you are computer literate, AA. My next door neighbour, who ... right hand edge of the screen simply does not remain visible ... from whichever portion of the screen she is trying to hit ...
    ccowley ccowley August 2013 Chit chat
  • Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…

    ... .

    [CODE]Horizontally Flip screen z80 fast.

    Scr_add ... /> xor c A9
    and #AA E6AA
    xor c A9 ... /> xor c A9
    and #AA E6AA
    xor c A9 ...
    jamorski jamorski August 2013 Development
  • Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…

    ... .

    [CODE]Horizontally Flip screen z80 fast using a lookup ... /> 0A 8A 4A CA 2A AA 6A EA 1A 9A 5A ...
    jamorski jamorski August 2013 Development
  • melbourne drawIt could be said I am easly pleased,:grin: Very nice peice of software. I was realy impressed by its ease of use. I think a lot of time and effort w…

    ... works from a 6912-byte SCREEN$ loaded at 32768, whereas ... the routine mentioned above with screen numbers $01-$FF and for ... SAVE_ETC+1 to save the SCREEN$ after setting the appropriate parameters ... file name followed by a SCREEN$ token ($aa). (Note that the SAVE ...
    Battle Bunny Battle Bunny August 2013 Development
  • Didaktik Gama and M manualsI?m looking for manuals for the Czech Spectrum clones Didaktik Gama and M. Thought this would be an easy task, but I couldn?t find any user or servic…

    ... , only use possibility swith from adress 32768-65535 between two fast ... as ZX48kB, only CPU and screen timing is different (need different ...
    velesoft velesoft August 2013 Hardware
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ... question first, a history lesson. AA has written a couple of ... other libraries.

    When AA decided to integrate all these ... , somewhat compatible with splib2's screen drawing parts.

    As ... code was based on splib.) AA also explained a bit too ...
    Timmy Timmy November 2013 Development
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ... />
    If you remember what AA said earlier:
    [QUOTE][B ... the sprite to appear on screen using graphics defined at address ...
    Timmy Timmy November 2013 Development
  • New Z88 owner, but what now?Just scored a Z88 off eBay for something like ?36. It's working, has a 32k RAM pack and a "SpellMaster" cartridge. I bought it out of curiosity as I …

    ... any way around the small screen unfortunately.

    The best ... - he could just take some AA batteries or even buy them !!
    rwap rwap January 2014 Sinclair Miscellaneous
  • quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…

    ... simple demo which divides the screen into three coloured segments, ... segments back to the screen randomly, using LET to ... /> [*]Line 4 just colours the screen.
    [*]Lines 5 & ... 512 STEP 256: LET aa=((a-lo)/256+1)* ... TO a+255: POKE b,aa: NEXT b:
    NEXT ...
    Battle Bunny Battle Bunny February 2014 Sinclair Basic
  • From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…

    ... this:

    [code]AA
    AA[/code]

    You can ... HERE
    32 PRINT "BUILDING SCREEN"
    35 LET tick1=(65536 ...
    na_th_an na_th_an March 2014 Sinclair Basic
  • From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…

    ... this:

    [code]AA
    AA[/code]

    You can ... HERE
    32 PRINT "BUILDING SCREEN"
    35 LET tick1=(65536 ...
    Hark0 Hark0 March 2014 Sinclair Basic
  • FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…

    ... plate now.[/QUOTE]

    AA, you shouldn't worry about ... for putting predefined text on screen, exactly like Gedlion said:
    screen text (and not all the ... and putting them to the screen as is[...][/QUOTE]

    Timmy Timmy March 2014 Brand new software
  • Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…

    ... 48k, 128k shadow screen, timex modes etc.< ... │
    │ VAR byte aa,ga,gp,vp,vr,f1 ... br /> │ ├───────────┼──────────────────────┼─────────────┼────────────────────────────────────────────────┤ │
    │ │ aa │ aspiration amplitude │ 0..255 │ breath ...
    Basher Basher August 2014 Hardware
  • ZX-Assembler file handling concept[QUOTE=clausjahn;777075]Dear readers, At this time, it's a good time to ask you, the future users, how to implement the file usage. Let's suggest so…

    AA, actually there is tons of ... duplicated code - well, 90% of screen output HAVE duplicated code for ...
    Shadow Maker Shadow Maker September 2014 Emulators
  • Flickering RGB -> SCART output.Hello all, For my toast rack I have bought a [URL="http://www.ebay.co.uk/itm/Sinclair-ZX-Spectrum-128K-High-Quality-RGB-Scart-Lead-Video-Cable-TV-Le…

    ... if there are any on-screen menus that can override the ... battery box (suggest AAA or AA size, but C or D ...
    1024MAK 1024MAK November 2014 Hardware
  • RGB video issue on +2 and +3. Signal high?I have a couple of +3's and a new +2a that arrived today. When I plugged in the +2a using my RGB lead from Retro Computer Shack I was reminded of a n…

    ... still have an old small screen CRT TV with a SCART ... remote, or via an on screen menu. If present, set to ... a brand new 1.5V AA battery, suitable battery box and ...
    1024MAK 1024MAK January 2015 Hardware
  • RGB video issue on +2 and +3. Signal high?I have a couple of +3's and a new +2a that arrived today. When I plugged in the +2a using my RGB lead from Retro Computer Shack I was reminded of a n…

    ... still have an old small screen CRT TV with a SCART ... remote, or via an on screen menu. If present, set to ... a brand new 1.5V AA battery, suitable battery box and ...
    chinnyhill10 chinnyhill10 January 2015 Hardware
  • ZX Spectrum issue 6a - yellow border problem<p>Hello!</p><p>I have problem with my Sinclair ZX Spectrum issue 6A, 48K. </p><p>I have changed low memory (all 4116 IC's) and coil, all electrolyti…

    ... a running picture on the screen, but the slopes should be ... as good as on the adress lines, the slopes are not ...
    HZJ HZJ May 2015 Hardware
  • z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…

    Thanks AA much appreciated. Makes sense :)
    < ... /> cp 255 ; past top of screen yet?
    jr nz,loop ... cp figure to the correct screen ending.

    As sad ...
    antonyjones101 antonyjones101 September 2015 Development
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... print strings @ a specific screen location, line wrapping, scrolling,
    ;* clear screen, the character generator and a ... ;* clears the Atom hi-res screen
    ;**************************************************
    #define ...
    JamesD JamesD September 2015 Development
  • Emulator suggestion Betadisk 48k TRDOS v4 adress redirection to Betadisk TRDOS v5Hi, may I suggest the following: As there are some older programs only running on Betadisk 48k with TR-DOS v4 and it´s adresses 15360/15363 ins…

    ... = 15366 dez and push Return-adress
    onto the stack to ... for doing a CAT to Screen:

    CALL 15366 ;TR ... adress on the stack
    LD A,2 ;select stream 2 (screen ...
    TR-DOS-v5 Central-adress #3D13 hex (here TR-DOS ...
    Luzie Luzie October 2015 Emulators
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