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<1…20212223242526…34>
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    ... use it to learn about flags, compares, boolean algebra and various ...
    ASM ASM November 2010 Development
  • Spectrum games that *should* existRight, I'm bored (or "working hard" if any of my bosses walk past) so to kill the time, I've decided to become a games designer. Or post crap about s…

    ... .. this time hunting down chequered flags..

    level 3 . murcteps ...
    fog fog November 2010 Chit chat
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... A, R have effect on flags. thanks :)
    Fikee Fikee November 2010 Development
  • Thinking of making a "Wicker Man" text adventureI introduced my friend to the wonderful world of Speccy text adventures the other night, after she reminded me she liked D+D/MMORPGs; so we played an…

    ... idea? Respones and Processes and Flags and Messages all contradicting each ...
    The Lone Magpie The Lone Magpie November 2010 New game ideas
  • Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve

    ... a header (A = 0)
    scf ; Signal loading (clear for verify ... data block (A = $FF)
    scf ; Signal loading
    call $0556 ...
    stefrobb stefrobb November 2010 Sinclair Basic
  • Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve

    ... a header (A = 0)
    scf ; Signal loading (clear for verify ... data block (A = $FF)
    scf ; Signal loading
    call LD_BYTES ...
    stefrobb stefrobb November 2010 Sinclair Basic
  • Proud owner of a grey +2And for once, everything works! including the DivIDE+! Came with a bunch of tapes (sorry fog, no make a chip, although ive now got another copy of c…

    ... LOADS of exp. fists... chequered flags... action biker... chess.. and a ...
    fog fog November 2010 Hardware
  • Help :) (FLAGS)ok a question about the 8080 so if anybody can help me. do the flags only change for the accumulator or are they affected for the other registers a…

    ... .


    do the flags only change for the accumulator ... if you inc b the flags are affected....why?[/QUOTE]
    flags are set according to the ...
    Dr BEEP Dr BEEP November 2010 Sinclair Miscellaneous
  • Help :) (FLAGS)ok a question about the 8080 so if anybody can help me. do the flags only change for the accumulator or are they affected for the other registers a…

    so the flags are set for all registers?


    ....not just the accumulator ?
    ASH-II ASH-II November 2010 Sinclair Miscellaneous
  • Help :) (FLAGS)ok a question about the 8080 so if anybody can help me. do the flags only change for the accumulator or are they affected for the other registers a…

    Flags only shows result of previous operation. They are not change result of operations. There are some special operations which takes in account Carry flag, though (adc/sbc, shift operations).
    Shiru Shiru November 2010 Sinclair Miscellaneous
  • 7upanyone use the graphic app seven up? AVG detects a virus in it, though I downloaded it from the official site. Anyone else get that?

    panda also flags it as a false positive
    fog fog November 2010 Development
  • Why doesn't my loop work?Can anyone help me understand why my loop doesn't work? Is it to do with how DEC HL affects the flags? [code] ; Read 32k bytes from port 191 as fa…

    ... how DEC HL affects the flags?

    [code]
    ; Read ... HL doesn't affect the flags.

    Try
    [code ...
    rich_chandler rich_chandler December 2010 Development
  • Why doesn't my loop work?Can anyone help me understand why my loop doesn't work? Is it to do with how DEC HL affects the flags? [code] ; Read 32k bytes from port 191 as fa…

    ... HL doesn't affect the flags.

    Try
    [code ...
    trellis trellis December 2010 Development
  • The Elder Scrolls V: Skyrim...has been confirmed! [url]http://www.computerandvideogames.com/article.php?id=280129[/url] A direct sequel to Oblivion, and has been in developme…

    ... /> Wang Dang Atomic Tango
    Flags of Our Foul-Ups
    deadpan666 deadpan666 December 2010 Chit chat
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... () is successful
    #asm
    scf
    #endasm
    return p ...
    Digital Prawn Digital Prawn December 2010 Development
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... the A register and disturbing flags so it can be an ...
    Alcoholics Anonymous Alcoholics Anonymous December 2010 Development
  • Supertest 128 - Loader QuestionI wonder if someone could explain (in simple terms please) :) , the purpose of the switch code. I see what is doing (going to 48k mode via spectrum)…

    ... is reset bit 4 of FLAGS (system var) to indicate 48 ...
    Jimmy Jimmy December 2010 Games
  • I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…

    ... have to take control of flags, crack safes, etc. whilst the ...
    deadpan666 deadpan666 January 2011 Chit chat
  • I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…

    ... have to take control of flags, crack safes, etc. whilst the ...
    GreenCard GreenCard January 2011 Chit chat
  • A clever method of using a single 8-bit register to be used for two things at a timeI don't know if this is the way the SAVE routine in the Spectrum works. Anyway, this is what I've learned today. I've been commented the disassembly…

    ... " loop, the carry is set (SCF).
    Then, a RL L ...
    Metalbrain Metalbrain January 2011 Development
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... in a large loop. A flags register in each movable object ...
    na_th_an na_th_an January 2011 Development
  • Converting TRD-Dos into TapHello, there are still many programs appearing on TRD-Dos or SCL format and users of normal Spectrum cannot run them. Of course I know about emulator…

    ...
    LD E,00
    SCF
    JP 556[/code]
    StuBruise StuBruise January 2011 Development
  • Thinking of making a "Wicker Man" text adventureI introduced my friend to the wonderful world of Speccy text adventures the other night, after she reminded me she liked D+D/MMORPGs; so we played an…

    ... (sets up one of the flags dedicated for moves/inputs)
    The Lone Magpie The Lone Magpie January 2011 New game ideas
  • Thinking of making a "Wicker Man" text adventureI introduced my friend to the wonderful world of Speccy text adventures the other night, after she reminded me she liked D+D/MMORPGs; so we played an…

    ... time around.

    System flags 31 & 32 hold a ... somewhere the value of such flags when the event which triggers ... stored value and the system flags themselves to check if the ...
    na_th_an na_th_an January 2011 New game ideas
  • Thinking of making a "Wicker Man" text adventureI introduced my friend to the wonderful world of Speccy text adventures the other night, after she reminded me she liked D+D/MMORPGs; so we played an…

    ... somewhere the value of such flags when the event which triggers ... stored value and the system flags themselves to check if the ...
    Strident Strident January 2011 New game ideas
  • Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …

    ... ' HL' SP T-state AF Flags
    0000 DI 0000 0000 ...
    Jimmy Jimmy January 2011 Emulators
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... (thread_sp), sp ; store SP, no flags affected; 6 M-cycles
    tstih tstih January 2011 Development
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... ]

    And manipulating the FLAGS system variable - again description by ... Paul Farrow:

    [CODE]; FLAGS $5C3B 1 IY+$01 Various ... flags to control the BASIC system:< ...
    jp jp January 2011 Games
<1…20212223242526…34>

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