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<1234567…34>
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ... are identical to using the Stack in this instance, in terms ... 12.5 T per byte stack copy which is about 20% faster ...
    Alcoholics Anonymous Alcoholics Anonymous September 2004 Development
  • On 48k, can I copy 4k before next screen updateFollowing on from my thread at [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=6423&forum=11"]http://www.worldofspectrum.org/forums/v…

    ... I basically want to copy back to front screen ... you're using this fast stack-copy code with the "ld ... delay the start of your copy routine after the interrupt. ... your pixel-line order copy, you will be updating ... this time, if your copy routine is still running, ...
    Alcoholics Anonymous Alcoholics Anonymous September 2004 Development
  • Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…

    ... of LDIs, or the fancier stack copy method, but I think Manic ...
    obo obo June 2007 Games
  • Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…

    ... of LDIs, or the fancier stack copy method, but I think Manic ... and JSW to use the stack copy method; it did increase the ...
    John Elliott John Elliott June 2007 Games
  • Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …

    ... ] sequences are sometimes used to copy blocks of data quickly. However ...
    ajmoss ajmoss August 2010 Development
  • How to copy file from tape (*.tap) to disks (*.dsk) ?I am using zx32 with win98 and i want (in the emulate +3) copy files from virtual tapes to virtual disks. I use => load "NameOfFile" (for copy the f…

    ... want (in the emulate +3) copy files from virtual tapes to ... use => load "NameOfFile" (for copy the file in the zx ... do it ?
    I want copy files on disk for faster ... , it is very easy to copy c64 tapes programs from tapes ...
    Maverick Maverick May 2001 Emulators
  • The LIBELOUS copy of 'crash' ? that mag that was pulled that libeled the BBC chiefI will pay 15 for a copy any one got it?

    I will pay 15 for a copy any one got it?
    thx1138 thx1138 January 2001 Sales
  • Where can I get a working copy of Chuckie Egg 2 ?I downloaded Chuckie Egg 2 from this site, but it doesn't work! Every time I load it up using ZX32, it resets the speccy emulator. Does anybody know…

    ... where I can get a copy that works or can anybody ... please email me a copy? I'd REALLY love to ...
    Anonymous Anonymous April 2002 Games
  • Solution for overwritten stack in 48k SNA filesIt has been known for quite some time now that the 48k SNA file format has one serious fault, which is described in the file formats section on the W…

    ... is pushed onto a stack before a snapshot is ... is possible that the stack is full when an emulator ... storing PC on the stack sometimes overwrites a graphics ... and pushing PC onto a stack, my emulator copies the ... program counter from the stack and then it copies ...
    Anonymous Anonymous October 2002 Emulators
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... or LD A,R (which copy IFF2 to the P/V ... PC is placed on the stack.

    What happens next ... byte of PC onto the stack and decrement SP again.
    stack and decrement SP.
    * M5 ... byte of PC to the stack and decrement SP.
    * M3 ...
    Philip Kendall Philip Kendall July 2004 Development
  • Game Copy HelpHiya Is there an easy way to copy a game to a +3 disc? my multiface 3 has gone all screwy on me! The way I had been doing it was loading the TAP on…

    ... there an easy way to copy a game to a +3 ...
    ZX Beccy ZX Beccy September 2004 Sinclair Miscellaneous
  • On 48k, can I copy 4k before next screen updateFollowing on from my thread at [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=6423&forum=11"]http://www.worldofspectrum.org/forums/v…

    ... ....

    How can I copy 4k from Backbuffer to Screen ... point, I basically want to copy back to front screen with ... (at 8000h) is ready to copy, I want to

    a) Copy 4096 bytes from 8000h to ...
    robpearmain robpearmain September 2004 Development
  • Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…

    ... EmuZWin, and can supply a copy of the source file for ... /> LD (SPMOD+1),SP ;preserve stack pointer


    SCRMODA ... /> SPMOD LD SP,0 ;restore stack pointer

    EI
    dmsmith dmsmith September 2004 Development
  • how copy snapshoot image in +3 diskHello I have a lot snapshoots, full of games, applications for spectrum, in my Macintosh Computer. I have also a +3 Spectrum. My question is, how co…

    ... Spectrum. My question is, how copy the snapshoots images the Mac ... to Spectrum +3 and how copy the snapshoots images in +3 ...
    Landoq Landoq October 2004 Emulators
  • BASin Release 11 out nowBASin has been updated once again, for your BASIC programming pleasure! Get it at: [url="http://homepage.ntlworld.com/paul.dunn4/BASin_r11.exe"]htt…

    ... strings. ie, if you type "COPY" into a string, you can ... .

    Added - the GOSUB stack window. Minimal functionality at the ...
    Dunny Dunny November 2004 Emulators
  • [CRL] Formula One ModI've seen the odd person ask for a Formula One name editor from time to time*** and, as it's an ol' fave, thought I'd add one as I can never find the…

    ... the resulting save into any copy of Formula One thereafter. Of ... Woody and obo for the stack advice.

    Original Program ... will revert back if own copy used after a save.
    BadBeard BadBeard November 2004 Games
  • Push/Pop methodMachine code question: Could somebody explain, how do we use the stack in assembler to copy data from one place of memory to another? I've heard it i…

    Machine code question:
    Could somebody explain, how do we use the stack in assembler to copy data from one place of memory to another?
    I've heard it is one of quickest methods, faster then e.g using ldir or writing a loop.
    Is it true?
    Ralf Ralf July 2005 Development
  • Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384) I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory. I then want to cop…

    ... fastest code (4433 TStates to copy from screen to store)
    call drawblock


    ; Copy 4x32 (128) to store
    ldir

    ; Copy from store to the screen ...
    robpearmain robpearmain November 2005 Development
  • Anyone know how you copy a microdrive cartridgeThis may seem a dumb question but does anyone know how you copy the contents of a microdrive cartridge onto another microdrive cartridge to make a ba…

    ... does anyone know how you copy the contents of a microdrive ...
    BruceNorton BruceNorton December 2005 Sinclair Miscellaneous
  • Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…

    ... where i would put my stack).

    Assembly Questions:
    stack from page 5. Does this ... talking about the top-5k COPY corruption bug here)?

    rbsfou rbsfou January 2007 Development
  • don't go Vista matesaGreetings. As you well know, there has been a massive campaign to push Vista into the users. I'm against it and always will be. Most of the ancient s…

    ... ? Well, lucky you, the dialogs stack right up, one after the ... users to get a legal copy of Vista is to buy ... , the cheapest Vista is the copy that comes with a new ...
    alban lusitanae alban lusitanae February 2007 Chit chat
  • Stack Up - level 13: anyone want a challenge?okay I swear this level is not humanly possible. if anyone doesn't know Stack-Up it's a simple Tetris type game - match 3 blocks of the same colour i…

    ... . if anyone doesn't know Stack-Up it's a simple ...
    def chris def chris September 2007 Games
  • Multiface 1 and copy protectionI was piddling around on my speccy last night getting my Specdrum running. I had already put the software on microdrive via my Multiface 1. Anyway, …

    ... I imagine that about the copy protection requirement of having the ...
    beanz beanz October 2007 Sinclair Miscellaneous
  • Copy command, +3 e, two hdf'sHi, I've set up a CF with a couple of games to run on a machine with +3e roms. Now i want to copy the games to another (bigger) CF. How is the syn…

    ... />
    Now i want to copy the games to another (bigger ... is the syntax of the copy command on the +3e roms ... in ide0 and want to copy to "games1" (c:) in IDE1 ...
    odious odious February 2008 Development
  • Copy Software For ZX LPrint Interface.I have a discovered white cassete containing some printer driver software. I have had a breif look in your archive and could not find it. Maybe somo…

    ... />
    [center]
    EUROELECTRONICS
    COPY SOFTWARE FOR ZX LPRINT INTERFACE ...
    Scottie_uk Scottie_uk February 2008 MIA/STP/SDP
  • Understanding extensions to the BASIC parserFor a while, I've had a rather 'rinkety dink' extension to BASIC via an RST 8 trap in hardware, just so that I can send stuff to a Spectrum over ethe…

    ... do not just want to copy the IF1 ROM code, it ... called on entry and exit, stack gymnastics, and any other things ...
    Winston Winston March 2008 Development
  • MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…

    ... have the possibility to temporarily stack software as a snapshot into ... such function)
    b. Access (copy from/to) to a Slave ...
    ingo ingo March 2008 Development
  • Copy interface ROM content to RamHi all, I have a very rare logitec centronics and disc interface. To save its ROM content I would like to copy it Ram and store it somewhere. How ca…

    ... content I would like to copy it Ram and store it ... this? Small MC routine to copy from Ram area to Ram ... is paged in during the copy process!

    Thanks for ...
    maskenlos maskenlos July 2008 Hardware
  • BSDOS ResiDos copy toolDear friends of MB02+ and ResiDos, today, it is a ceremonious day, as such a little dream of mine has come true:) and I am hereby bringing it forwar…

    ... result is, that you can copy in both directions.

    The copy tool is in ver. 1 ... /saving times of Discobolos (previous copy commander for BSDOS) and this ...
    Hood Hood October 2008 Development
  • Betadisk shematics & 48K-CPMHi out there, can someone help me out with the shematics for the Betadisk-Interface? I built one 17 years ago, it works fine till today, but I'm to …

    ... my copy crashes randomly after a few ten minuts with a stack ...
    PORTHOS PORTHOS October 2008 Hardware
<1234567…34>

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Related Threads

  • Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
  • How to copy file from tape (*.tap) to disks (*.dsk) ?I am using zx32 with win98 and i want (in the emulate +3) copy files from virtual tapes to virtual disks.<br /> <br /> I use =&gt; load "NameOfFile" …
  • The LIBELOUS copy of 'crash' ? that mag that was pulled that libeled the BBC chiefI will pay 15 for a copy any one got it?
  • Where can I get a working copy of Chuckie Egg 2 ?I downloaded Chuckie Egg 2 from this site, but it doesn't work! Every time I load it up using ZX32, it resets the speccy emulator.<br /> <br /> Does …
  • Solution for overwritten stack in 48k SNA filesIt has been known for quite some time now that the 48k SNA file format has one serious fault, which is described in the file formats section on the W…
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…
  • Trashman?I cant find a copy that worksI can't belive... if this isn't joke... always try first search on WoS (i.e. sinclair infoseek)!! <br /> <br /> If you type "trashman" you'll get thi…
  • Turtles - Have I got a Bugged Copy?I've had a root through my Spectrum tapes, adn found Teenage Mutant Hero Turtles, a game I rememebr having and completing as a kid. I loaded it up on…
  • Game Copy HelpHiya<br /> <br /> Is there an easy way to copy a game to a +3 disc? my multiface 3 has gone all screwy on me!<br /> <br /> The way I had been doing i…
  • On 48k, can I copy 4k before next screen updateFollowing on from my thread at [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=6423&amp;forum=11"]http://www.worldofspectrum.org/foru…

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