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Search Again :: Adv Search 1000 results in 0.034s
<1…15161718192021…34>
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... for the top 2 cells of the player (since ...
    dec hl ; use same data twice
    ldi ; ...
    dec hl ; use same data twice
    ldi ; ...
    dec hl ; use same data twice
    ldi ; ... [/code]

    New routine added to set only the ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... for the top 2 cells of the player (since ...
    dec hl ; use same data twice
    ldi ; ...
    dec hl ; use same data twice
    ldi ; ...
    dec hl ; use same data twice
    ldi ; ... [/code]

    New routine added to set only the ...
    Kotek Kotek July 2022 Development
  • How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…

    ... a = 0, use standard aligned routine
    or a
    ... pixel rowdata to screen in cells at column C and ... rowdata to screen in cells at column C and ... pixel rowdata to screen in cells at column C
    ; ... pixel rowdata to screen in cells at column C
    ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... /> part of my own ay routine:
    [code] ld a,13 ... ]
    the same with IN (n),a , the actual value off A ...
    Paradigm Shifter Paradigm Shifter September 2022 Development
  • Problem using with keys at same time Hi ! I'm having some problems in my laptop, Compaq Armada E500 PIII 600Mhz, with Windows 98, using three keys at same time. Example: Up, Left and …

    ... 98, using three keys at same time.

    Example: Up ...
    Pedro Martins Pedro Martins September 2001 Emulators
  • LINE-routine and other nice pieces of codeThe line-topic came in the end with a nice piece of fast coding. I think that there might be more of these routines out there (where-ever-u-r). Isn…

    ... (if someone finds a faster routine please tell me..)

    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... code.

    The line routine that I have implemented is ... there have a fast line routine, plese email me.

    rtunes rtunes October 2001 Sinclair Miscellaneous
  • Problem using with keys at same time Hi ! I'm having some problems in my laptop, Compaq Armada E500 PIII 600Mhz, with Windows 98, using three keys at same time. Example: Up, Left and …

    ... 98, using three keys at same time.

    Example: Up ...
    Pedro Martins Pedro Martins September 2001 Sinclair Miscellaneous
  • ZX-2-PC Interface : Is it dead ???Certainly not, but I had some problems getting the EPROM-reader constant. In my former threat I stated that it worked, well, it read ROM-values but n…

    ... ROM-values but never the same by any second/third attempt ... the rewritten ROM is a routine that, combined with a new ...
    Dr BEEP Dr BEEP September 2002 Sinclair Miscellaneous
  • Relative price of the spectrum As Im sure you all know one of the biggest selling points of the speccy was its price.I was reading the other day that the 48K Spectrum cost ?175 - …

    ... suppose it was pretty good value compared to the other stuff ... that came out in the same year cost ?399 then, thats ...
    Sharopolis Sharopolis May 2003 Sinclair Miscellaneous
  • How do I avoid BASIC becoming corrupted on returning from a M/C routine?I'm having trouble with my BASIC program becoming corrupted on returning from a m/c routine which sets all the registers (including the shadow regist…

    ... returning from a m/c routine which sets all the registers ... when calling a m/c routine from BASIC, and reload them ...
    trellis trellis May 2003 Sinclair Basic
  • BASin Release 6 available for DownloadHi all - It's another cut'n'paste from CSS :) I've been tapping away again, and seeing as a couple of people have recently seen BASin's latest bits…

    ... here it is all the same):

    *Please* read the ... edit boxes that expect a value from the user can accept ...
    Dunny Dunny June 2003 Emulators
  • ANN: Spectaculator 5.1Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... Spectaculator on the same
    machine at the same time. (Actually, I ...
    Jon Needle Jon Needle July 2003 Emulators
  • Text compressionI'm sure I remember seeing a short machine code routine published in a (very random) multi-machine listings magazine way back in the mists of time, w…

    ... seeing a short machine code routine published in a (very random ... onto one line - giving the same effect as the text in ...
    The Mighty Dopethrone The Mighty Dopethrone October 2003 Games
  • CronosoftI've been reading the other thread, in which Cronosoft is mentioned with interest. :) Everyone is fully entitled to their views, and I'm in no way o…

    ... machines
    - To put a 'value' on peoples work, rather than ... you honestly give it the same amount of attention and enthusiasm ... I could find. Get the same game on a CD-ROM ...
    chaosmongers chaosmongers November 2003 Sinclair Miscellaneous
  • Realspectrum latest build (11 Nov)It's only now that I've seen the 'latest build' of Realspectrum for DOS, dating from 11th of November. My question is... Has anyone determined exac…

    ... timing routine is different (i.e. worse).

    Otherwise... the same ... debugger, the same FDC.
    GOC GOC November 2003 Emulators
  • More Elite questionsI'm currently in Galaxy 2, with my trusty Cobra equipped with Military lasers, ECM, etc. (all the useful, buyable stuff). I've 10000 credits and I'm …

    ... 'm becoming bored with the same low-rate enemies. I want ... -> kill pirates -> LOOP' routine is becoming quite boring.
    GOC GOC December 2003 Games
  • The need for multiple versions of the same gameWhile looking through the TZX Vault I was struck by how many multiple versions of the same game there are, and I wondered whether there really was an…

    ... many multiple versions of the same game there are, and I ... storing identical versions of the same game just becasue they were ...
    martinball martinball January 2004 Games
  • Entire Sinclair Software Collection For Sale - Built Up Since 1988!Sinclair Spectrum Software For Sale Information below includes the title of the software, the type of media it is supplied on and the price. I can a…

    ... Of Death, Stainless Steel (Micro Value/Tynesoft ? 1985)

    48K ... two or more of the same game that may be supplied ...
    retrogod retrogod March 2004 Sales
  • Game loop design?Having some thoughts on how to design the game loop and could do with some hints and tips from folks who have done it before! It's all about how to …

    ... a whole character, the movement routine draws the edges so the ... game loop is about the same length, i.e that it ...
    ekoman ekoman July 2004 Development
  • 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 …

    ... from 8
    RLA ; double value (include mask)
    LD E ... /> RETI

    ; **** END INTERRUPT ROUTINE ***


    WRITECHAR:
    robpearmain robpearmain September 2004 Development
  • Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …

    ... from 8
    RLA ; double value (include mask)
    LD E ...


    ; **** END INTERRUPT ROUTINE ***


    WRITECHAR:
    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…

    ... .

    Basically the routine works by redrawing the tiles ... scroll position and call the routine. An increase of 1 ... pixels.

    The routine is designed to detect blank ... />



    * This routine shifts tiles into 4 positions ...
    dmsmith dmsmith September 2004 Development
  • Broken ZX 48kHey all. I have acquired a broken ZX 48k. It looks in good condition - tried the membrane and it is working with my other 48k very well. When you tu…

    ... starts with the normal Reset routine (the Red stripes on the ... though - it is always the same when I turn it on ...
    Tom-Cat Tom-Cat September 2004 Sinclair Miscellaneous
  • The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…

    ... ]

    I rewrote the routine and it is now 36 ... hl,table-1 ; Use JR value for high B-reg
    Dr BEEP Dr BEEP September 2004 Development
  • sound sample rangesIf 0 is the midpoint for a range such as 127 to -128 then should the value -128 not be used for the sake of symmetry? Is this the way it is done wit…

    If 0 is the midpoint for a range such as 127 to -128 then should the value -128 not be used for the sake of symmetry? Is this the way it is done with CD music? Obviously they are not 8bit samples but the principle is the same.
    Fraser Fraser October 2004 Development
  • Is the IY register used by the spectrum rom?Hi I've been writing a sprite routine and have noticed that the sprite data gets corrupted at some points. I have no idea why and can only guess tha…

    ... 've been writing a sprite routine and have noticed that the ... only guess that interupt service routine in the spectrum rom is ... need to hold a certain value if interupts are enabled, and ...
    dmsmith dmsmith November 2004 Development
  • Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…

    ... about the parameters for that routine !!!! The words "and HL holds ...
    AE.Vasconcelos AE.Vasconcelos May 2005 Development
<1…15161718192021…34>

Latest Posts

  • I am currently watching.....
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    John Elliott on April 21
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    mel the bell on April 20

HitBox

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routine 9.5K 14.8K
same 62K 74.8K
value 9.4K 14.6K
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Related Threads

  • Problem using with keys at same timeHi !<br /> <br /> I'm having some problems in my laptop, Compaq Armada E500 PIII 600Mhz, with Windows 98, using three keys at same time.<br /> <br />…
  • LINE-routine and other nice pieces of codeThe line-topic came in the end with a nice piece of fast coding.<br /> <br /> I think that there might be more of these routines out there (where-eve…
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code.<br /> <br /> The line routine th…
  • Problem using with keys at same timeHi !<br /> <br /> I'm having some problems in my laptop, Compaq Armada E500 PIII 600Mhz, with Windows 98, using three keys at same time.<br /> <br />…
  • How do I avoid BASIC becoming corrupted on returning from a M/C routine?I'm having trouble with my BASIC program becoming corrupted on returning from a m/c routine which sets all the registers (including the shadow regist…
  • Cells And Serpents by ASP SoftwareDoes anybody know where I can get this from. It was the first game I saved up for and bought....it was a very basic RPG.<br /> <br /> Its listed as M…
  • The need for multiple versions of the same gameWhile looking through the TZX Vault I was struck by how many multiple versions of the same game there are, and I wondered whether there really was an…
  • Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling.<br /> <br /> As promised here is the code for the routine.<br /> <br /> It…
  • Key Redefine RoutineAnyone written a nice key redefine code snippet?
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