World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.002s
<1…891011121314…34>
  • PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…

    ... in range of thousands T cycles at maximum, so there is ...
    Patrik Rak Patrik Rak May 2007 Emulators
  • LiberatedI was just browsing around at "stuff" and spotted the [URL=http://www.worldofspectrum.org/infoseekid.cgi?id=1000227]Liberator[/URL], a hardware wotsi…

    ... the Z80 to skip clock cycles through the /WAIT line on ...
    gasman gasman May 2007 Hardware
  • PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…

    ... duration of dur.w clock cycles.
    This pulse spec is ... pulses with dur.w clock cycles each.
    This pulse spec ... pulses with dur.l clock cycles each.
    This pulse spec ...
    Kio Kio May 2007 Emulators
  • PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…

    ... final pulse is 0 clock cycles" will come up.

    Kio Kio May 2007 Emulators
  • PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…

    ... pulse of 2^32 clock cycles is approx. 20 hours, a ...
    Kio Kio May 2007 Emulators
  • PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…

    ... pulse of 2^32 clock cycles is approx. 20 hours, a ...
    Patrik Rak Patrik Rak May 2007 Emulators
  • What is the term......for a device which monitors a set of computers (via ping or whatever) and, if a computer is unresponsive, power cycles that computer (effectively …

    ... a computer is unresponsive, power cycles that computer (effectively pulling out ...
    mile mile May 2007 Chit chat
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    ... /128K has two uncontended cycles per eight cycles during ULA display fetches ... ahead due to having more cycles per frame and no additional ... bus for those 5 remaining cycles and they all can cause ... 's just a straight 5 cycles as the Z80 completes the ...
    Woody Woody May 2007 Development
  • Why the name "8-bit computer"?The Spectrum was called an 8-bit computer, but what does that mean? For modern hardware and operating systems (32 or 64-bit) it seems to be the poss…

    ... "ADD HL,DE" takes 11 cycles whereas an 8-bits-at ... ; adc a,h" takes 16 cycles.
    Alcoholics Anonymous Alcoholics Anonymous 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…

    [quote=Dr BEEP;192256]
    LD A,(HL)
    RR A
    LD (HL),A
    [/quote]

    Be careful about RR A. It is only for compatibility reason with i8080, Z80 has RRA which is only 4T cycles.
    omega omega 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…

    ... bytes and with 93 T cycles overhead (assuming I computed those ...
    Patrik Rak Patrik Rak 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…

    ... the ISR, but around 900 cycles every 70000 (one frame) is ...
    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…

    ... bytes and with 93 T cycles overhead (assuming I computed those ...
    icabod icabod 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…

    ... the ISR, but around 900 cycles every 70000 (one frame) is ...
    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…

    ... certainly won't take 900 cycles.

    [quote]
    That ... , it's a waste of cycles. And believe me, when writing ... be wondering where all the cycles went :-D

    One ...
    Alcoholics Anonymous Alcoholics Anonymous 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…

    ... certainly won't take 900 cycles.[/QUOTE]

    Perhaps it ... be wondering where all the cycles went :-D[/QUOTE]

    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…

    ... yourself a few tens of cycles with the result being the ...
    Alcoholics Anonymous Alcoholics Anonymous 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…

    ... border is somewhere around 14300 cycles in length. Then you get ... 224 cycles per pixel row (this ... 70000 - 224*192 - 14300 = 12692 cycles). All rough figures, of course ... realistically reduced to the 14300 cycles of the top border since ...
    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…

    ... " solution (33 bytes, 96 T cycles overhead or 113 T with ... " solution (58 bytes, 76 T cycles overhead or 93 T with ... would use 2 more T cycles and more bytes due bigger ...
    Patrik Rak Patrik Rak 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…

    ... " solution (58 bytes, 76 T cycles overhead or 93 T with ... minimum overhead of 51 T cycles (68 T with CALL included ...
    Patrik Rak Patrik Rak 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…

    ... minimum overhead of 51 T cycles (68 T with CALL included ...
    Dr BEEP Dr BEEP May 2007 Development
  • After Clive - why did computing go backwards?Just a thought on from another thread a couple days ago. 25+ years ago Clive made a tiny computer which fitted in your pocket (ok it had to be a lar…

    ... /> I find that my upgrade cycles are about 3 years apart ...
    Scottie_uk Scottie_uk June 2007 Chit chat
  • Disable onboard memoryWould this work...? Access to onboard I/O can be disabled by holding IORQGE high. Would it be possible to create a MEMRQGE in a similar way to disa…

    ... , pausing the CPU for three cycles).

    For the ULA ...
    Winston Winston June 2007 Hardware
  • Edge top 100 gamesIt's [url=http://www.next-gen.biz/index.php?option=com_content&task=view&id=6231&Itemid=2]the top 100 games of all time[/url] from the last 15 years

    ... the weapon select button simply cycles the weapons without stopping the ...
    Vampyre Vampyre July 2007 Chit chat
  • New version of X128I think X128 is one of the best emulators in DOS. The last version is from 2002, I think. Will we see a new version in windows?

    ... know, dynamic compilation ON, Max cycles etc).

    The new ...
    ewgf ewgf July 2007 Emulators
  • 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…

    ... There are about 14000 cycles from the interrupt to the ... the display then 224 cycles for each pixel row. ... 224*23*8 = 55216 cycles from the interrupt to ... 32*16+260ish = 772+ cycles. This leaves a whopping 55000 ... -5736-772 = 48000 cycles for the C code. ...
    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…

    ... am getting either 13000 cycles or 34000 cycles (the latter for printing ...
    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…

    ... we have 13000/34000 cycles taken in a frame ... Since there are about 70000 cycles in a frame, that' ... code takes, say, 100 cycles longer than a hand assembled ... wasting 64*100 = 6400 cycles. This subroutine is a good ... . Do this before 50000 cycles are up (which is ...
    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…

    ... and you'll see obvious cycles or patterns in programs that ... code must complete within 50000 cycles to avoid flicker, which seems ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …

    ... only be alive for some cycles or two keypresses, whatever comes ...
    Marcelo Marcelo August 2007 Sinclair Basic
<1…891011121314…34>

Latest Posts

  • I bought an accoustic guitar. How do you play it?
    dm_boozefreek on 7:51PM
  • Goodbye Z80
    zx1 on 7:11PM
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on 6:29PM
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on 6:17PM
  • I am currently watching.....
    Antiriad2097 on 5:05PM
  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21

HitBox

Word Docs Hits
cycles 1.3K 2.1K

Related Threads

  • Question on Z80 R/W cycles.Snipped from the complete spectrum ROM disassembly:<br /> [CODE]<br /> Now the memory is checked.<br /> <br /> 11DA RAM-CHECK LD H,D …
  • ULA RAS, CAS cycles, refresh and "snow effect"Hello everyone.<br /> <br /> I have a question, does anyone observed timings of RAS and CAS generated from ULA? I think there may be answer to where …
  • A question about M1 cyclesI'm writing an interrupt routine that, after the usual register pushes, will jump to a location of my choice with a [b]JP (IY)[/b] instruction.<br />…
  • The Cycles Disk, stuck on picture of bike and bottom of screen is blue?Have a Loose Disk of The Cycles by Accolade, made a DSK from it and loaded it in Spectaculator but it sticks on a screen that just shows a bike at th…

Related Searches

  • cycles
  • counting cycles
  • the cycles
  • the cycles hoe to play
  • the cycles how to play
  • measure free cycles
  • clock cycles
  • diurnal cycles
  • sp1 platform 50 cycles

Copyright © 2024 World of Spectrum