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<1234567…34>
  • 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…

    ... repeatedly in this is to delay for an [i]exact[/i ... I'd like is a routine which when given a number ...
    Philip Kendall Philip Kendall May 2007 Development
  • Delay routine requiredI'm putting together a short routine to play some Beep style music. I need to be able to pause between notes when required. These pauses are defined …

    ... 'm putting together a short routine to play some Beep style ... milliseconds. I'm after a routine that will allow me to ...
    Mr Millside Mr Millside September 2006 Development
  • Fuse bug? Strange T state countingI was testing delay routine presented [URL="http://www.worldofspectrum.org/forums/showthread.php?p=214851"]here[/URL]. I'm reproducing its listing: …

    ...

    [CODE]; Z80 delay routine
    ; by Jan Bobrowski, license ... ld bc,-23
    .loop add hl,bc
    jr ... c,.loop
    ld a,l ... contains Jan Bobrowski's DELAY routine) and executing in Fuse ...
    TK90XFan TK90XFan May 2014 Emulators
  • NMI Routine and Restarts in a new 128K ROMI'm presently engaged in creating AGD 5 with the intention of making it a pair of 16K ROMs for the 128K/+2. I'm fairly sure that the vast majority o…

    ... original ROM 0 as the delay routine in RST 0 overran. Beyond ...
    jonathan jonathan July 2022 Hardware
  • Fastest way to write something to screen$Hi, I just got pasmo.exe and start playing with attr scrolling, well, not scrolling, just write different values to a block and see if I can introdu…

    ... easy do it without a loop, pasmo is REALLY a very ... need now is a good delay routine, any sugestions?
    Maybe just ... lot of NOPs ?????

    DELAY MACRO n
    DEFS n ...
    AE.Vasconcelos AE.Vasconcelos April 2005 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…

    ... br /> Here is my delay routine. It is used in ... br /> [QUOTE]
    ; Z80 delay routine
    ; by JB, license GPL ... /> ld bc, 32
    .loop: ; 149T+
    ret nc ... /> ccf
    jr .loop
    [/QUOTE]
    qaop qaop 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…

    ... />
    [code]
    ; Z80 delay routine
    ; by JB, license GPL ... T (n = # times through loop)
    .loop

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

    ... the delay parameter all taken care of. Nice. Then the loop ...
    Alcoholics Anonymous Alcoholics Anonymous June 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…

    ...
    [CODE]
    ; Z80 delay routine
    ; by Jan Bobrowski, license ... bc, hl

    DELAY: ld hl,-141
    add ... ld bc,-23
    .loop add hl,bc
    jr ... c,.loop
    ld a,l ...
    Patrik Rak Patrik Rak September 2007 Development
  • WIP: Another demoIt's a couple of months already since I've released something, so I thought it's fun to show a demo of the thing I'm currently working on: [url]http…

    ... routines. A pre-shifted XOR routine is probably your best bet ... /> You'll need an intelligent delay routine too. Assuming you haven't ... of your main loop as the ROM interrupt routine increments this byte ... s the sort of sprite routine you need, 13 16x16 sprites ...
    jonathan jonathan July 2010 Development
  • Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…

    ... removed from your print message routine:
    [code]
    call pm_do_it ... /> [/code]

    In your delay routine, replacing
    [code]ld a ... to check if your bc loop has hit zero, the ld ... general, however, not a bad routine!
    BloodBaz BloodBaz September 2011 Development
  • Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…

    ... removed from your print message routine:
    [code]
    call ... =BloodBaz;562919]
    In your delay routine, replacing
    [code]ld a ... to check if your bc loop has hit zero, the ld ... general, however, not a bad routine![/QUOTE]
    Thanks, I must ...
    polomint polomint September 2011 Development
  • Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…

    ... not looking for a complete routine (but that might help) because ... full-speed with maybe a delay routine thrown in. Also, I suppose ...
    polomint polomint February 2010 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…

    ... Getting rid of the loop and unrolling would also help ... impact such a small routine can have on execution ... of those 16 times a loop is run four times, ... the double width helper routine loop is run 64 times ... double char. If the C loop code takes, say, 100 ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Arcade Game Designer 2.0 releasedI know dozens of you downloaded the previous version of AGD. Well, you can put it away now because I've made some major improvements to that version…

    ... />
    Either. It changes the delay routine in the game.

    jonathan jonathan July 2010 Development
  • Official CSSCGC 2010 Competition ThreadDear Wossers, As 'loser' of the 2009 competition, I am now obliged to host the 2010 competition. I have created a site which will provide a hub for …

    ... as the loading
    routine does not work in contented ... decrypter.

    Numerous delay bugs fixed, including on the ...
    still using the delay routine from the pure BASIC version ...
    Cleaned up the startup routine and some other improvments.
    Joe the Iceman Joe the Iceman December 2010 Games
  • Musician needed!An old "classic" game had a tune in it which didn't sound too good. The beeps below should give you a clue as to which program I'm talking about... […

    ... at $AF52. There is a DELAY routine at $AFA2.
    [*]After every ... note a short delay is made.
    [*]The values ... are like the ROM BEEPER routine. HL refers to frequency and ... states
    freq = 3500000/((74T+delay)*2) Hz[/CODE]
    So ...
    Jimmy Jimmy May 2011 Games
  • Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…

    Your call to a DELAY routine is larger than the actual routine.

    You can skip the entire DELAY routine when you replace all
    CALL DELAY with DJNZ $-2
    Dr BEEP Dr BEEP August 2011 Announcements
  • Which Speccy game had best border effectsIn truth, I'm just trying to remember a game from my youth, and the amazing border effect during pause is the only thing I can clearly recall about i…

    ... 1-3 T-State delay before your routine begins. You can factor ... cycle accuracy. See the CODETIME routine in my [URL="http://zxds ... 's easy to use the DELAY routine to wait the necessary amount ...
    Patrik Rak Patrik Rak January 2012 Games
  • Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …

    ... be some kind of a delay routine. Cobra uses the floating bus ... execute between 0 and the delay routine, it is better that it ... of accounting for that). The delay is there to...

    Hikaru Hikaru May 2012 Development
  • Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …

    ... be some kind of a delay routine. Cobra uses the floating ... execute between 0 and the delay routine, it is better that ... of accounting for that). The delay is there to...
    ... thing? My screen copy routine was just a test ... probably do a timed delay, or do a bit ...
    R-Tape R-Tape May 2012 Development
  • Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …

    ... as well.
    3. Variable delay. Sound routine (!).
    4. Let's ... the same by the main routine and are drawn in one ... go in this way. The routine makes sure that the graphics ... it skips - by having a delay routine and providing different values to ...
    Hikaru Hikaru May 2012 Development
  • Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?

    ... /forums/showthread.php?p=214851"]Delay routine[/URL]
    [URL="http://www ...
    Patrik Rak Patrik Rak May 2014 Development
  • Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…

    Here's a T state delay routine, might come handy for raster ... />

    [code]; Z80 variable delay routine
    ; by Hikaru in 2015 ...

    ; Usage: HL=delay, T states; HL > 123 ... the time taken by the routine itself excl. delays
    ...
    Hikaru Hikaru December 2015 Development
  • Which peripheral listened on port $9f from back in 1984 (Chuckie Egg related)Hi Apologies if this is in the wrong section, please feel free to move it to the correct one if so. I've been looking through the Chuckie Egg c…

    ... the 2 second (112 frame) delay when a level starts/restarts ... returned to the player). The delay routine is at $b102. I guess ... /off and thereby bypassing that delay if speech was turned off ...
    cmonkey cmonkey March 2016 Hardware
  • Flicker free animation in BASIC, is it possible ?With all my various noodlings in BASIC and indeed with my so far limited assembly​ I keep coming up with the same issue. How do you do animations wit…

    ... to do' in the loop, and the flicker will not ... the two strings in each loop.

    Quick and ... front effects.

    The loop was:

    LET ... br /> KEYBOARD ROUTINE AND ANIMATION VARIABLES
    ENEMY ROUTINE
    LOOP
    < ...
    IvanBasic IvanBasic April 2017 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…

    ... s routine:

    [code];
    ; Arbitrary delay routine by ... of Jan Bobrowski's delay routine, which is now ... delay time and new macro-based calling convention.
    ; The original routine ... ; Jan Bobrowski made his routine GPL, LGPL; so let this ...
    introspec introspec October 2019 Development
  • Zynaps scrolling - anyone ever reverse enginnered this?Zynaps has IMO some impressive scrolling - it utilises 18 character rows of the display file, so quite a large active play area, and scrolls 2 pixels…

    ... certain limit, it runs a delay routine according to this counter to ... that using this sort of delay mechanism makes timings 'somewhat' more ... , and it also uses some delay routines to balance the timings ...
    Hikaru Hikaru July 2020 Games
<1234567…34>

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Related Threads

  • Delay routine requiredI'm putting together a short routine to play some Beep style music. I need to be able to pause between notes when required. These pauses are defined …
  • 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…
  • 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…
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  • 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!<br /> <br /> It's all a…
  • 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…
  • OT:[sorry - windows xp delay write event 51 - help ! ]sorry about this guys, But can any one help with this error - event 51<br /> {An error was detected on device \Device\Harddisk0\D during a paging op…
  • Key Redefine RoutineAnyone written a nice key redefine code snippet?
  • DEC BC/LD A,B/OR C/JP NZ,loopyesterday i saw nice trick:[code]<br /> <br /> dec bc<br /> ld a, b<br /> or c<br /> jp nz, loop<br /> <br /> can be replaced (bc starts &gt;255, sho…

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