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<1…16171819202122…34>
  • BIFROST* ENGINE with Spectrum 128K support is out!The BIFROST* ENGINE release 1.1 is finally available, now providing also support for all Spectrum 128 models. You can download it from here: [url]ht…

    ... using different delays to compensate timing differences. But in practice, it ...
    Einar Saukas Einar Saukas April 2012 Announcements
  • INPUT LINE and STOP in INPUTWhat was the reason for the ROM Editor routine causing "down arrow" while in an INPUT LINE to cause the "H STOP in INPUT" error report? Why doesn't i…

    ... just jump back to ED-LOOP like the "up arrow" does ...
    Battle Bunny Battle Bunny April 2012 Sinclair Basic
  • Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…

    ... you are emulating a "late timing" machine then delete line 44 ... T-state delay from "late timing"). This difference is too big ...
    Einar Saukas Einar Saukas April 2012 Emulators
  • MacSpecEmu 3.0For Intel Mac owners who want to run SpecEmu but don't want the faff of installing WINE, here's a standalone version: [url]http://dl.dropbox.com/u/1…

    ... , ULAplus emulation is not 100% timing accurate (for example, HAM256 only ...
    chev chev April 2012 Emulators
  • More troubles: The microdriveRecently bought a used Spectrum Expansion System incl IF1 and microdrive - in a really nice looking condition, along with the accompaniing software o…

    ... would end running in a loop for too long without giving ...
    deckard deckard April 2012 Hardware
  • Supermoon tonight....[img]http://i.space.com/images/i/8743/i02/super-moon-2011-tim-mccord-entiat-wash.JPG[/img] [quote]If the full moon looks a bit bigger and brighter i…

    ... closest approach to Earth. The timing means the moon, weather permitting ...
    deadpan666 deadpan666 May 2012 Chit chat
  • Imperica Horizons - The whole weekend :-)So now it's all over, I'll do a quick writeup... It all started for me at 5.20 am. Getting to London from Devil's Island isn't so easy now that Aer …

    ... on the Spectrum ULA, colour timing tricks and the various optimizations ...
    Winston Winston May 2012 Sinclair Miscellaneous
  • Question about 2-channel beeper musicI confess I haven't tried all the available beeper utilities and software. I always found music software confusing and trackers are not for me. I kno…

    ... be complicated because of the timing. How to return to BASIC ...
    zxbruno zxbruno May 2012 Development
  • What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…

    ... />
    ; This is the main loop.

    mloop equ $
    loop.

    jp mloop
    Saboteur Saboteur May 2012 Development
  • Zexall or Emulator bug?Hello! I was running ZexAll in Zero, Fuse, Spin, SpecEmu, Spud & Speculator and noted that all of the emulators occasionally froze on the "scroll ?"…

    ... it appears stuck in a loop scanning the keyboard... (the interupt ...
    Korinel Korinel May 2012 Emulators
  • FOR 1 TO 0 - Execute "no times"?I checked a couple of basic variations, and generally a for loop executes at least once, even if you create a negative loop without step -1. But in s…

    ... variations, and generally a for loop executes at least once, even ... if you create a negative loop without step -1. But in ... if you create a wrong loop, eg. "For x=1 to ...
    Arda Arda June 2012 Sinclair Basic
  • 128K - demos from Di Halt 2012Demos: [url]http://zx.pk.ru/attachment.php?attachmentid=36377&d=1341756942[/url] [url]http://zx.pk.ru/attachment.php?attachmentid=36378&d=134175696…

    ... ]


    Border-instros (timing for Pentagon) -
    [url]http ...
    Yerzmyey Yerzmyey July 2012 Brand new software
  • BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…

    ... considering that just the multicolor loop to render 18x18 positions take ...
    Einar Saukas Einar Saukas July 2012 Brand new software
  • RET MHello. I?ve seen in the Joffa game SAUCER a kind of loop like this LOOP LD A,R RET M JR LOOP I do know what this loop mea…

    ... game SAUCER a kind of loop like this


    LOOP LD A,R
    RET ... M
    JR LOOP

    I do know ... what this loop means but: Can anybody tell ...
    climacus climacus July 2012 Development
  • Your Sinclair Smash Tips - Corrected ListingsOver at Hercules' [URL="http://craigsretrocomputingpage.eu5.org/smashtips/index.html"]YS Smash Tips site[/URL] he has a list of hacks that don't work…

    ... "]Flash Gordon[/URL]: FOR NEXT loop error, hack has no effect ...
    jp jp August 2012 Games
  • INKEY$ giving me troubleHello, I have been using BASin (great program by the way...) Sad though it seems during the typhoon here I have been re-learning my spec-skills an…

    ... . anything else it will just loop back.

    Having a ... want it to do is loop forever until the user hits ...
    WibbleBibble WibbleBibble August 2012 Sinclair Basic
  • SpecBAS 0.753 Now available!Hi again - Thanks to the efforts of ASH-II and Galileo, there's been another round of nice quick bugfixes: [code] v0.0.0.753 ========== Bugs fixe…

    ... in the array when the loop runs out
    Key and ...
    Dunny Dunny August 2012 Sinclair Miscellaneous
  • Machine code loopsThis might sound a bit daft, but I,ve forgotten how to do loops using th 'b' register... I want to loop this x mount of times: [CODE]ld a,r and 6 i…

    ... ...

    I want to loop this x mount of times ...
    daveysludge daveysludge August 2012 Development
  • appending data while saving to tapeBefore trying to do this I just wanted to check if there's a possibility that it might actually work. I have a number of string arrays which I want t…

    ... DE reaches zero in SA-LOOP, instead of jumping to finish ...
    Battle Bunny Battle Bunny September 2012 Development
  • Any ideas on speeding up this assembler segment?It copies a pixel column of a rectangle which may be anywhere in the display file to a pixel column in d$. The source column may start at any bit pos…

    ... at bit 7. An enclosing loop not shown here repeats for ...
    Battle Bunny Battle Bunny September 2012 Development
  • Ideas for speeding up this BASIC routine?This loop can take up to 2 minutes to run, depending upon the content of the screen being scanned, about 70% of that time being taken up by lines 105…

    This loop can take up to 2 ...
    Battle Bunny Battle Bunny September 2012 Sinclair Basic
  • Revisiting Spectrum CPU clock regenerationWarning: This post will be a bit nerdy :-) Some time ago, I experimented with phase locked loop circuits as a possible way to regenerate the Spectru…

    ... , I experimented with phase locked loop circuits as a possible way ... enter the PLL (phase locked loop) as a method to make ...
    Winston Winston September 2012 Hardware
  • multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…

    Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width is
    Battle Bunny Battle Bunny October 2012 Sinclair Basic
  • smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…

    ... flicker. 1st i used GOTO loop and CLS with plot and ...
    rustyredline rustyredline October 2012 Sinclair Basic
  • High Score ASCII array reset ?Hey guys, Noob alert! I'm working on my first game and I'm having problems with the high score on the second time through the game loop. My high …

    ... second time through the game loop.

    My high score ... /> Ld b, 6

    Loop ld, (Hl),'o'
    Inc ... hl
    Djnz loop

    Shouldn't that ...
    Atari_Jetman Atari_Jetman October 2012 Development
  • A Miscellany of Dangerous TipsHere's a selection of ideas for using some of the more obscure system variables which I've found handy on occasion. They can be very convenient if us…

    ... string, so that the decoding loop only needs to be run ...
    Battle Bunny Battle Bunny October 2012 Sinclair Basic
  • New Game: Cheril the GoddessIn the Temple of the Big Cucumber, Prince Chicken (who was famous for his studies of the arcane, for being a proud intelligent man and for having a f…

    ... have to do this carefully. Timing short ?pushes? can make her ...
    na_th_an na_th_an December 2012 Brand new software
  • Your game of the year 2012It's that time of year again, when people start talking about what was their game of the year (their favourite game of the year). This year especiall…

    ... I'm out of the loop, as there are a lot ...
    ewgf ewgf December 2012 Chit chat
  • Spectrum +128 and PlusDI have a cased PlusD interface (I doubt it is an original as it is unmarked). Have just tried it on my 48K rubber key spectrum and it works fine. H…

    ... get stuck in a save loop (presumably as I didn't ...
    rwap rwap December 2012 Hardware
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