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<1…15161718192021…34>
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... to pass, decremented above
    jp nz, dosamples

    ; now ...
    Alcoholics Anonymous Alcoholics Anonymous April 2004 Sinclair Miscellaneous
  • New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…

    ... .
    The other release was Speedlock 1.

    Sorry to ...
    Andrew Barker Andrew Barker April 2004 Emulators
  • New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…

    Wasn't the Speedlock 1 loader the Sabre Wulf version from the They Sold a Million compilation? So the standard ROM loader version is from the standard release...?
    monty.mole monty.mole April 2004 Emulators
  • New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…

    ... wrote:
    Wasn't the Speedlock 1 loader the Sabre Wulf ... in tzx form were the Speedlock 1 version.

    I ...
    Dunny Dunny April 2004 Emulators
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ...
    adc a,h
    jp m, done

    ; (46 ... a,1 ; "ld bc" or "jp" mnemonic
    ld (ptr),a ... to pass, decremented above
    jp nz, dosamples

    ; now ...
    Alcoholics Anonymous Alcoholics Anonymous April 2004 Sinclair Miscellaneous
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... to pass, decremented above
    jp nz, dosamples

    ; now ...
    gasman gasman April 2004 Sinclair Miscellaneous
  • Does Screen Flipping work on a 48k Spectrum?On the other post it showed some basic code to flip the screen on a +3. Does it work on a 48k Spectrum. Can anyone show me the machine code to: Se…

    ... be changed in just
    JP PE,LOOP
    or
    JP PO,LOOP

    I ... , but I think it is JP PE.
    Dr BEEP Dr BEEP May 2004 Development
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    ... ,0xBFBF ; we'll place a JP int_routine at 0xBFBF
    ld ... (hl),0xC3 ; opcode for JP
    ld hl,int_routine
    gasman gasman May 2004 Development
  • MC 101Hello Group Members: Can't spectrum MC be embedded in a BASIC program

    ... about any game protected by Speedlock or similar will use that ...
    gasman gasman May 2004 Development
  • MC 101Hello Group Members: Can't spectrum MC be embedded in a BASIC program

    ... about any game protected by Speedlock or similar will use that ...
    dalmudlee dalmudlee May 2004 Development
  • MC 101Hello Group Members: Can't spectrum MC be embedded in a BASIC program

    ... the code itself (eg no "JP nn" instructions because "nn" will ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Development
  • Problem with RealSpectrumWhy am I having difficulty getting certain games to laod in RealSpectrum? The game seems to be loading ok then the screen goes black and nothing hap…

    ... mode. Also some of the speedlock games (games that load faster ...
    itsallgood itsallgood May 2004 Emulators
  • +D/Disciple games archive?Hi all, Having finally got my disciple to work, I'm starting to have a look at hacking multiload games. Is there any archive on the web with games t…

    ... /> loadlvl:
    call 10
    jp lltrap
    "

    You ... did with the "CALL 10; jp LLTRAP" to page in the ... can locate the "call 10; jp n" sequence in the game ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Sinclair Miscellaneous
  • T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …

    ... HL by BIT x, HL JP Z/NZ, again
    so ...
    Fikee Fikee May 2004 Development
  • How did you make it load?I used to have great difficulty getting games to load on my old Speccy + and found using superstition sometimes helped... apart from turning my tape…

    ... reliable with fast loaders like Speedlock and Alkatraz.
    Lee Tonks Lee Tonks July 2004 Games
  • How did you make it load?I used to have great difficulty getting games to load on my old Speccy + and found using superstition sometimes helped... apart from turning my tape…

    ... reliable with fast loaders like Speedlock and Alkatraz.
    [/quote]
    caffeinekid caffeinekid July 2004 Games
  • SDP Project ExpandingHi folks, The next Vault update isn't going to see that many +3 disks, due to poor interest. However, I've still managed to source some disks for t…

    ... ya.
    These would include Speedlock, Alkatraz and Hexagon ?
    It ...
    Andrew Barker Andrew Barker July 2004 MIA/STP/SDP
  • SDP Project ExpandingHi folks, The next Vault update isn't going to see that many +3 disks, due to poor interest. However, I've still managed to source some disks for t…

    ... +3 disks that are troublesome, Speedlock, Hexagon etc... But I can ...
    Andrew Barker Andrew Barker July 2004 MIA/STP/SDP
  • SDP Project ExpandingHi folks, The next Vault update isn't going to see that many +3 disks, due to poor interest. However, I've still managed to source some disks for t…

    ... what's really in the Speedlock's Random data... or if ...
    Andrew Barker Andrew Barker July 2004 MIA/STP/SDP
  • SDP Project ExpandingHi folks, The next Vault update isn't going to see that many +3 disks, due to poor interest. However, I've still managed to source some disks for t…

    ... it in the first place (speedlock random data?).. should it be ...
    Andrew Barker Andrew Barker July 2004 MIA/STP/SDP
  • SDP Project ExpandingHi folks, The next Vault update isn't going to see that many +3 disks, due to poor interest. However, I've still managed to source some disks for t…

    ... it in the first place (speedlock random data?).. should it be ...
    fiath fiath July 2004 MIA/STP/SDP
  • Early Speccy Memories ThreadHiya. Right Ok. I want to start a thread going here and I want to know all about your early days with speccys. I am 31 now. I got involved with spec…

    ... waiting fingers-crossed for a Speedlock game to work (and lots ...
    General_Zod General_Zod July 2004 Games
  • Early Speccy Memories ThreadHiya. Right Ok. I want to start a thread going here and I want to know all about your early days with speccys. I am 31 now. I got involved with spec…

    ... ever had loading problems with speedlock games (unless they were poor ...
    Gwyn Gwyn July 2004 Games
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... where you could put a JP to your 'real' interrupt routine ...
    Fraser Fraser July 2004 Development
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... ,(SPRXCO)
    AND 7
    JP Z,DRAWNOX ;this part doesnt ... H
    DEC IXL
    JP NZ,DRAWMID

    ... H
    DEC IXL
    JP NZ,DRAWMID2

    DRAWBEG2 ... /> LD D,A

    JP DRAWSPY

    DRAWNOX EI ...
    dmsmith dmsmith August 2004 Development
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... +1x7t=92t if you use JP NZ,... 7x10t+1x10t=80t... < ... be unrolled:[code]

    jp label (l1 or l2 or ... br /> [/code]
    parameter for JP will be modified for real ... ... as you need two JP one of them can be ... JP (IY) which is faster than JP xxxx
    Fikee Fikee August 2004 Development
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... without the DEC IXL & JP NZ, DRAWMID. Do this for ... beginning of DRAWMID place a JP (IY) and at the beginning ... of DRAWMID2 a JMPADDR JP 0.

    Take out ...
    dmsmith dmsmith August 2004 Development
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... +1),HL ; Modify the JP instruction with appropriate address

    DRAWMID JP (IY) ;Jump according to width ... INC H

    DRAWMID2 JP 0 ;precalculated jump, this address ... LD H,A

    JP DRAWLINE1


    ...
    dmsmith dmsmith August 2004 Development
  • Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …

    ... /> ld (label2addr(storePtr)), hl
    jp label2addr(interruptEnd)

    donotStartOver ... wrapping.
    .anchor($fff4)
    jp label2addr(intRoutine)
    .anchor($ffff ...
    Erlstoned Erlstoned August 2004 Development
  • IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…

    ... to 0056 in ROM
    jp 56 ;for smooth return to ...

    ORG 0FDFDH
    JP MainLoop

    END
    robpearmain robpearmain August 2004 Development
<1…15161718192021…34>

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