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Search Again :: Adv Search 1000 results in 0.028s
<1…13141516171819…34>
  • TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…

    ... for the right length of time for a 48K machine, red ... 0 to 255 in a loop, into each and every memory ... location - (again, in a loop), from 32768 to 65535, there ...
    DEATH DEATH March 2007 Hardware
  • TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…

    ... 0 to 255 in a loop, into each and every ... location - (again, in a loop), from 32768 to 65535, there ... ... What about their access time? Can you try faster ... is the issue. ROM init loop ($11DA RAM-CHECK) writes ... not know, RAM access time is usually stamped right ...
    Marcelo Marcelo March 2007 Hardware
  • Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…

    ... they reach the normal message loop, to keep the Win32 specific ... nobody else has by the time I get round to it ...
    obo obo March 2007 Emulators
  • Worst game ever...?I was wondering which spectrum game was widely regarded as being the worst game ever? I don't just mean by personal opinion, but a universal accepta…

    ... there for minutes at a time as the Speccy generated the ... , plus a kind of infinite-loop progress bar, presumably to reassure ... 't crashed - but handing CPU time over to producing these effects ...
    Danforth Danforth March 2007 Games
  • Worst game ever...?I was wondering which spectrum game was widely regarded as being the worst game ever? I don't just mean by personal opinion, but a universal accepta…

    ... for minutes at a time as the Speccy generated ... plus a kind of infinite-loop progress bar, presumably to ... crashed - but handing CPU time over to producing these effects ... a product of its time. Aside from a few ... at about the same time. Try Embassy Assault from ...
    Matt_B Matt_B March 2007 Games
  • Regarding the interface with USB port[url]http://www.octocom.es/reuniones/art_madridsx07_11.html[/url] [url]http://velesoft.speccy.cz/kmouse/km-doc/kempston_mouse_turbo_interface/km-t_2…

    ... felt that sitting in a loop polling the mouse, even when ... be a wast of processor time.

    Using the ints ...
    dtl dtl March 2007 Hardware
  • My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…

    ... I started in the innermost loop and worked out:


    Out of time, I'm sure that others ...
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Development
  • My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…

    ... extra 4 cycles to execution time which, unfortunately, makes them a ... shifts are done inside a loop or shifts by several bits ...
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Development
  • Game Programming Source Code & Startup HelpHi there, I'm planning on porting an existing commercial title to the speccy. I'm in the process of disassembling the original code and commenting i…

    ... tiles/sprites at the same time. Not much help for ... to write a very short loop to do what in_Inkey ... annoyed with how long that loop takes; instead I opted ... which exits the (unrolled) loop early if a keypress is ... allows one keypress at a time so that won't ...
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Development
  • ZXSpin 0.62 Available nowAs promised (and only a [i]little[/i] past the deadline) here is the latest version of ZXSpin. Many bugs have been fixed, and a few new features add…

    ... , and have hardly any free time these days:)[/QUOTE]

    loop over your existing files to ...
    obo obo April 2007 Emulators
  • Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?

    ... the extra 17 cycles per loop for the CALL. In that ... s no need for a loop counter. Using EXX only adds ... 4+4 cycles to each loop and does makes it ... in a register the whole time.

    [QUOTE]Indeed ... /> That does make the main loop a lot easier, though it ...
    obo obo May 2007 Development
  • Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…

    ... data, you can do a loop of "RR (HL) / INC HL ... ?

    Do you save time / bytes by working directly at ...
    Rickard Rickard May 2007 Development
  • How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…

    ... also be run at this time? (Not doing any CALL to ... />
    So even though your loop does not call into the ...
    Alcoholics Anonymous Alcoholics Anonymous May 2007 Development
  • Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…

    ... to be relocable at run time, this should do the trick ... T by changing the wait2 loop to use sub N instead ...
    Patrik Rak Patrik Rak June 2007 Development
  • Game OptimisationBelow is a section of code Im using for movement enermy display and collision detect. What happens is that you move the sight with ,.qa and space do…

    ... />
    Prior to the main loop the array is set with ... .)

    In the main loop the only way I can ... each enermy udg is to loop through each udg in turn ... just this is the first time I have had to look ...
    Toxitalk Toxitalk June 2007 Sinclair Basic
  • Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…

    ... 191 - BC

    ; loop time = 11 + n*32 T (n ... = # times through loop)
    .loop

    ret ... bc
    ccf
    jr loop
    [/code]


    Up to "loop" I get:

    loop iterations "HL=191- ...
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Development
  • A New 21 UDG Plotter BASIC ProgramHello All, Here goes... My first proper Spectrum program for 20 years! And the reason why I've been asking about multiple banks of UDGS recently. …

    ... is no keypress occured, and loop until a key is pressed ... and left at the same time).

    I see you ...
    Arda Arda June 2007 Sinclair Basic
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... We first enter a "while" loop. While loops continue to run ... string for the next time through the loop).

    [code]< ... always executed one time as initialization for the loop. The next ... "", "=".

    So this for loop is executed 8 times, for ...
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... ) one at a time. Inside the loop we have this:
    time through the loop we'll be ... to the top of the loop body the multiplication of ... learn, now is the time to ask. As further ... encouragment for taking the time to understand this, you ...
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... text
    - The message must loop (it continuously scrolls across the ... print 1 char at a time into the buffer and probably ...
    Alcoholics Anonymous Alcoholics Anonymous June 2007 Development
  • ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…

    ... libraries linked at compile time (the -lsp1) and ... />
    while (1) { // main loop

    sp1_UpdateNow(); // draw screen ... what was specified last time). The final address ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... the original string the first time the program was run.< ... interpretted. The surrounding while loop is executed again to see ... spectrum.h, now is the time to add a "#include " ... this is the last time a wrapper function as ... I don't have time to say much about ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... message 1 pixel at a time in the buffer
    ////////////////////////////////////////////////////////////////////
    push hl
    .loop
    pop hl
    push ... )
    dec hl
    djnz loop
    ld hl,_dbuf
    wokani wokani July 2007 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    [code]
    1 LET n=191: BORDER 0: PAPER 0: INK 7: CLS : DIM i$(3,9):
    FOR i=1 TO 3: LET i$(i)=" # # # # ": NEXT i: LET p=16: LET b=0: LET a=p:
    LET s=0: FOR y=0 TO 14: LET e=y/2=INT (y/2): FOR x=(1-e)*24 TO e*24 STEP e*2-1:
    PRINT AT 21 ...
    Digital Prawn Digital Prawn July 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... should.

    The for-loop test "i != ..." contains an expression ... is reevaluated on every single loop iteration (strlen() is run and ... from the result every time through the loop) so you may want ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…

    ... ;200708]If you do a loop, 704 times, printing an empty ... A,32
    LOOP RST #10
    DJNZ LOOP
    RET[/QUOTE ... tested... If I get some time I'll try assembling/testing ...
    hldswrth hldswrth July 2007 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... was my thinking at the time, and that's why I ... score to the main game loop then allowed the removal of ...
    Digital Prawn Digital Prawn July 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... is installed. This way the time taken to scroll and blit ...
    ld de,33
    .loop
    pop hl
    add ...
    rl (hl)
    djnz loop
    pop hl

    wokani wokani July 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... 18% / 48% of processor time taken by the scrolly. In ... . Getting rid of the loop and unrolling would also help ... double width helper routine loop is run 64 times ... double char. If the C loop code takes, say, 100 ... anyone having a hard time following what we're ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... a similar program a second time, then it will hopefully be ... location in the main game loop, I'd have to write ...
    Digital Prawn Digital Prawn July 2007 Development
<1…13141516171819…34>

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  • I am currently watching.....
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    John Elliott on April 21
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