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<1234567…34>
  • how do i read the keyboard in assembly? here is the code i tried writting to find out the value of a key call 28f (hex) loop: ld a,255 cp e jr z loop ld (50000),e ret notes from what i …

    ... calling address 028e (hex), or 654 if you prefer denary. You ... .

    Secondly, put the call to the ROM inside the ... the trick:

    loop call 654
    inc e
    jr ...
    jonathan jonathan August 2005 Development
  • how do i read the keyboard in assembly? here is the code i tried writting to find out the value of a key call 28f (hex) loop: ld a,255 cp e jr z loop ld (50000),e ret notes from what i …

    ... calling address 028e (hex), or 654 if you prefer denary. You ... .

    Secondly, put the call to the ROM inside the ... the trick:

    loop call 654
    inc e
    jr ...
    mestor mestor August 2005 Development
  • Converting games to disk: difficult loadersThis thread has an spanish version in foro speccy, but I haven't gathered enough information to overcome my problems. I've been converting some game…

    ... of code.[code] EI
    CALL 654
    JR Z,24046[/code ... A,1
    CALL 32512[/code]
    The call pages in bank ...
    FrankT FrankT January 2013 Games
  • How do I detect if key 'H' is pressed in machine code?How do I detect that the key has been pressed? I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'...

    call 654
    dec e
    jr z,hpressed

    Will do the job.
    jonathan jonathan April 2013 Development
  • "Press any key" detectionWhat would be the simplest way to detect if *any* key is being pressed? No LAST_K trickery, I can't rely on that. It has to be reading the keyboard p…

    I usually use something like this:

    [code]
    waitky call 654
    inc e
    jr z,waitky
    [/code]
    jonathan jonathan November 2013 Development
  • Chuckie Ess 2 tap doesnt work[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0000959[/url] It loads, you press a key and it returns to Basic! Anyone any idea why or got a …

    ... SCF ; 65310 55
    CALL 1366 ; 65311 205 86 5 ... SCF ; 65323 55
    CALL 1366 ; 65324 205 86 5 ... 211 254
    L_FF33: CALL 654 ; 65331 205 142 2
    Battle Bunny Battle Bunny September 2014 Infoseek database
  • A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…

    ... /> LD HL,MESS_SX
    CALL PRINT_MESS

    LD ... /> LD HL,MESS_DX
    CALL PRINT_MESS

    LD ... br /> LD HL,MESS_END
    CALL PRINT_MESS

    RET ...
    MAIN:
    CALL 654
    LD A,E
    Alessandro Grussu Alessandro Grussu October 2017 Development
  • Anybody play Call of Duty Modern Warfare 2 or Battlefield 1943 on xbox 360 online?Any spec-chums play call of duty modern warfare 2 or battlefield 1943 for xbox 360 online? I was thinking maybe we could organise a big spec-chum sh…

    Any spec-chums play call of duty modern warfare 2 ...
    BigBadMick BigBadMick March 2010 Chit chat
  • [tune] 'call the cops'[url]http://soundcloud.com/user2316397/def-chris-call-the-cops[/url] a drum&bass tune I'm working on, it's nowhere near finished and I'm a bit stuck…

    ... ://soundcloud.com/user2316397/def-chris-call-the-cops[/url]

    def chris def chris May 2010 Chit chat
  • Gmail Call phoneUsing a dongle, I just noticed this on Gmail tonight. Call another UK landline, or India, for 2p a minute. Mobiles 10p a minute. Well I put 10 qui…

    ... on Gmail tonight.

    Call another UK landline, or India ...
    Geoff Geoff August 2011 Chit chat
  • What do you call things?I'm just having a Peter Kay moment, these are things i call things, generic terms rather than the actual thing. Stereo (my hifi seperates) The big l…

    ... moment, these are things i call things, generic terms rather than ... hoover, other vaccuum cleaners we call it too lol)

    mel the bell mel the bell March 2012 Chit chat
  • HMV expected to call in administrators within hours[url]http://www.telegraph.co.uk/finance/newsbysector/retailandconsumer/9801487/HMV-expected-to-call-in-administrators-within-hours.html#[/url] sad b…

    ... /retailandconsumer/9801487/HMV-expected-to-call-in-administrators-within-hours.html ...
    mel the bell mel the bell January 2013 Chit chat
  • BT's free call blocking serviceI just discovered this by accident. BT Call Protect is free and block's calls that are on either BT's own blacklist of nuisance callers or on your ow…

    ... discovered this by accident. BT Call Protect is free and block ... dialling 1572 or via the Call Protect page on the MyBT ...
    Battle Bunny Battle Bunny December 2016 Chit chat
  • Is it possible to run a single BASIC line via a ROM CALL of the Standard ZX 48k ROM?On: https://cygnus.speccy.cz/popis_trdos-assembler.php I found the following code: [code] CHADD equ 23645 ; Location of SOS variable CHADD ld…

    ... points to our routine
    call 15619 ; ENTER TRDOS SAVE via ... /> ld (CHADD),HL ; changed.
    call 15619
    BACK ld HL ... or adress LOAD via a CALL to TRDOS/Betadisk-ROM (15619 ...
    Luzie Luzie October 2019 Development
  • Game being created with Platform Game DesignerBeen playing with this since yesterday when i bought it from Cronosoft. To someone like me who cant program its excellent to create a Manic Miner st…

    ... this section accessed by a CALL?

    Thank you in ... a ROM routine at address 654 (028Eh) which returns the number ... your redefine key routine should CALL this address and check E ...
    jonathan jonathan May 2005 Development
  • Game being created with Platform Game DesignerBeen playing with this since yesterday when i bought it from Cronosoft. To someone like me who cant program its excellent to create a Manic Miner st…

    ... a ROM routine at address 654 (028Eh) which returns the number ... your redefine key routine should CALL this address and check E ... first) routine in assembly to call that ROM routine, read the ...
    na_th_an na_th_an May 2005 Development
  • Press any keyI need to write a z80 function that waits for a user to press any key. As it is possible that the user may be pressing a key when the function is cal…

    Call address 654, then check the E register. If it's set to 255 nothing is being pressed.
    jonathan jonathan July 2005 Development
  • Adventures Inchi! I'm a BIG fan of adventures. I have a huge collection of them on my PC. By this I mean of course, games for Speccy, Amstrad, C64, Atari ST AND …

    ... fiction as they seem to call it now) freak, u have ...
    Arjun Arjun April 2001 Emulators
  • the thoughts of chairman sharopolisSo anyway, I was just wondering, is there enough like minded souls here to form any kind of 8-bit revivalist communist insurectionary group here or w…

    ... /> I was thinking we should call ourselves the Sinc Cong. Our ...
    Sharopolis Sharopolis April 2002 Sinclair Miscellaneous
  • Spectaculator 2.0 availableHi, I've just released a new version of Spectaculator. It should be on WOS in a few days. Here's a cut 'n' paste from comp.sys.sinclair: Spectacula…

    ... types like Direct Recording,
    Call sequence, Select and Message blocks ...
    Jon Needle Jon Needle April 2002 Emulators
  • Maybe I'm just weird......but I love looking thru the old adverts for speccy games with their little order coupons for you to fill in, or a phone number to call with your a…

    ... , or a phone number to call with your access/barclaycard number ...
    Anonymous Anonymous July 2002 Games
  • forbidden planet..ok heres an odd one thats always puzzled me. I wonder if anyones got any more info... I go to my local game shop, and i buy an orignal copy of forb…

    ... are reading this then please call this telephone number and talk ...
    Sard Sard September 2002 Games
  • Please help me!I'm not what you'd call "computer literate" - so... a simple question: I've downloaded a spectrum emulator, now I want to actually play a game! but…

    ... 'm not what you'd call "computer literate" - so... a simple ...
    daikon daikon September 2002 Sinclair Miscellaneous
  • Micro Mart - Spectrum article due this thursdayPosted this on css and got absolutely zero response - perhaps I'll do better here. Right then chaps - listen up. You'll all recall that Spectrum v …

    ... begun.

    So I call upon you all to stand ...
    woodcock88 woodcock88 November 2002 Sinclair Miscellaneous
  • ZX PC Interface : The manual, schematics and more info... ZX &lt;-> PC Interface ------------------- Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Install…

    ... can make RST 8 to call to your own routines
    Dr BEEP Dr BEEP December 2002 Sinclair Miscellaneous
  • ParentsSome of my mates who had Spectrums used to get all sorts of hassle from their parents to get them to stop playing games and go to bed/tidy rooms/do w…

    ... to play (what I would call) rubbish - my mum couldn't ...
    Swamptrash Swamptrash December 2002 Sinclair Miscellaneous
  • ZX PC InterfaceZX &lt;-> PC Interface Contents 1) The ZX &lt;-> PC Interface 1.1) What is it? 1.2) What does it do? 2) Installation 2.1) The softwa…

    ... can make RST 8 to call to your own routines by ...
    Dr BEEP Dr BEEP January 2003 Announcements
  • "La Abad?a del Crimen" - English versionOK, I've started a new thread for this, as the discussion about "La Abad?a" in the [url="http://www.worldofspectrum.org/forums/viewtopic.php?mode=vie…

    ... /> So...I'll repeat your call again... Can somebody please do ...
    Ed Ed February 2003 Games
  • Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…

    ... (hl)/dec hl ...
    and call this routine 2 or 4 ...
    rtunes rtunes March 2003 Sinclair Miscellaneous
  • Looking for a printerDoes anyone know where the best place is to buy a printer for the spectrum is? Also which is the best model to have? I'm learning to program on my …

    ... to program on my +2B. Call is a life long goal ...
    Speccy Fan Speccy Fan April 2003 Wanted
<1234567…34>

Latest Posts

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