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Search Again :: Adv Search 1000 results in 0.003s
<1234567…34>
  • Interrupt driven code at overclocked pace....Is it possible for a MC coder to do a routine (i.e. interrupt music player, for within/during Basic)if he knows said machine is running at 400 percen…

    ... do a routine (i.e. interrupt music player, for within/during ...
    CKay CKay August 2004 Sinclair Miscellaneous
  • Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?

    How long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
    Philip Kendall Philip Kendall February 2005 Development
  • Data bus at interrupt timeIt is "well known" that some peripherals can put values other than 0xff on the data bus at interrupt time, thus meaning that IM2 is slightly more fid…

    ... on the data bus at interrupt time, thus meaning that IM2 ...
    Philip Kendall Philip Kendall March 2009 Hardware
  • Ensure my interrupt handler begins at the same T-stateHi! Is there a way to ensure that an IM 2 interrupt handler starts always at the same T-state (related to the moment the ULA triggers the INT line, w…

    ... ensure that an IM 2 interrupt handler starts always at the ... ,20,21 and 22, each interrupt, and then 19,20,21 ...
    mcleod_ideafix mcleod_ideafix November 2014 Development
  • Interrupt routineI have been trying to create an interrupt routine for playing AY music in the background but cant seem to get anything working. I have a music rou…

    ... been trying to create an interrupt routine for playing AY music ... /> Does the bank switching mean interrupt routines cant be used?
    daveysludge daveysludge November 2016 Development
  • shrinking down an animation made with bmp2scri want to fit a longer movie made by bmp2scr into a 48k spectrum by shrinking the original movie down by say x4 in size, to increase the number of fr…

    ... into a 48k spectrum by shrinking the original movie down by ...
    digital digital August 2018 Development
  • Z80 QuestionCan the instruction EX DE,HL be prefixed with DD to give EX DE,IX? Derek

    ... as if Zilog just kept shrinking the feature sizes as the ... 's description of the IM2 interrupt acknowledge as being different from ...
    Alcoholics Anonymous Alcoholics Anonymous August 2005 Development
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... you can program it to interrupt whereever (start of scan line ... easily reset it for another interrupt somewhere else in the same ... the microdrive would have been shrinking substantially. When you go up ...
    Alcoholics Anonymous Alcoholics Anonymous October 2006 Sinclair Miscellaneous
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... you can program it to interrupt whereever (start of scan line ... easily reset it for another interrupt somewhere else in the same ... the microdrive would have been shrinking substantially. When you go up ...
    JamesD JamesD October 2006 Sinclair Miscellaneous
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... ]I could never get Incredible Shrinking Fireman to work on both ... easy fix to update the interrupt vector - adapted from [URL="www ...
    jp jp August 2014 Games
  • Question - SAMS Timex Sinclair 2068 Beginner/Intermediate GuideHi all, I just acquired a T/S 2068 and the a book that came with it is, SAMS Timex Sinclair 2068 Beginner/Intermediate Guide. On page 18 of thi…

    ... from their dealers because of shrinking profit margins (the ts1000 was ... is the 50Hz vs 60Hz interrupt difference. You would think that ...
    Alcoholics Anonymous Alcoholics Anonymous August 2016 Hardware
  • What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…

    ... onto the chip and sophisticated interrupt modes which fit into the ... a chip faster simply by shrinking it. The amount of shrink ...
    Alcoholics Anonymous Alcoholics Anonymous January 2017 Sinclair Miscellaneous
  • Emulator compatibility with real SpectrumHi emulator programmers... Having spotted for the last 6 months that my iPAQ is still missing a Spectrum emulator I started typing last tuesday - an…

    ... 69888 tstates, issue a z80 interrupt and update the display (I ...
    Anders Anders September 2001 Emulators
  • Currah MicroSourceThis is an interesting one for the experts to mull over. I've got (and love) a MicroSource interface from Currah which consisted of an 8K ROM provid…

    ... /> I tried setting up an Interrupt 2 but MicroSource disables interrupts ...
    Chris Chris August 2001 Emulators
  • ANN: Spectaculator 2.5 available for downloadHi. I've just released a new version of Spectaculator, available from [url="http://www.spectaculator.com/"]http://www.spectaculator.com/[/url]. Hopef…

    ... Islands now load (was an interrupt frequency problem).
    Latest issue ...
    Jon Needle Jon Needle July 2002 Emulators
  • ZX Spin 0.4 available for Download.Standard Cut-n-Paste from the CSS post: If all goes well, I'll upload it to WOS on monday. ----------------------------------------- Okay, it's th…

    ... Block editor
    Fixed an interrupt table overwrite bug in the ...
    Dunny Dunny November 2002 Emulators
  • ANN: Write Spectrum Games in C with speclib121 Announcing the sprite pack C library for the z88dk C cross compiler available from: [url="http://justme895.tripod.com/main.htm"]http://justme895.tr…

    ... experiment in registering a C interrupt service routine. The final one ...
    Alcoholics Anonymous Alcoholics Anonymous January 2003 Announcements
  • game with shrinking levelscan you help me... 've been looking for some time now ... s-f shooter with a little spacecraft flying rightward (like zynaps ) in levels named with p…

    can you help me... 've been looking for some time now ... s-f shooter with a little spacecraft flying rightward (like zynaps ) in levels named with particular letters ( guess starting with a ) and varying in colours ... every next level is little smaller ( ...
    boban boban July 2003 Games
  • Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…

    ... LDIR to real screen at interrupt time.

    3. Use ...
    windenNTW windenNTW July 2003 Games
  • Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…

    ... with most of it, but interrupt-based timing routines are more ...
    b00mzi11a b00mzi11a September 2003 Development
  • Yet another TR-DOS questionI have yet another TR-DOS problem. I am using "LD C, command; CALL #3D13" to call the system functions. The problem is that TR-DOS automatically enab…

    ... after the CALL, occasionally an interrupt will get in exactly after ... is in IM1, the default interrupt code in the ROM will ... to IM2 and vector the interrupt to something harmless like a ...
    GOC GOC November 2003 Development
  • [NEW]: Spectaculator 6.0Spectaculator 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/+…

    ...
    to Cursor, Run until Interrupt, Run to End of Frame ...
    Jon Needle Jon Needle December 2003 Emulators
  • ANN: Tipshop updated Friday, 06 February 2004Friday 06 February 2004 More of the usual good stuff! And a bugfix chez Tipshop * Nick updated the A-Z listings script, so that the A-Z links shoul…

    ... ,
    Ghost Hunters and Incredible Shrinking Fireman, The by
    Sherwin ...
    hackersanon hackersanon February 2004 Announcements
  • Fuse 0.6.2 and libspectrum 0.2.1 releasedThe Fuse team is pleased to announce the release of version 0.6.2 of the Free Unix Spectrum Emulator (Fuse) and associated utilities, as well as vers…

    ... by the user.
    * Improved interrupt handling in the Z80 core ...
    Philip Kendall Philip Kendall February 2004 Emulators
  • Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…

    ... to work with the frame interrupt (i.e the raster line ... sound (and 4) perhaps also interrupt handling in general?). The help ...
    ekoman ekoman July 2004 Development
  • IM 2 interrupts and smooth scrolling - easy peasy!Okay, been fiddling around with IM 2 and have actually mastered (I think) how to use IM 2! Now I run my game Ragnar Revival in IM2 and use HALT to sy…

    ... start

    ;a test interrupt function located
    ;at 35002 ... Basic


    ;prepares interrupt handling
    prepint
    ld ...
    ekoman ekoman July 2004 Development
<1234567…34>

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Related Threads

  • game with shrinking levelscan you help me... 've been looking for some time now ... s-f shooter with a little spacecraft flying rightward (like zynaps ) in levels named with p…
  • Interrupt driven code at overclocked pace....Is it possible for a MC coder to do a routine (i.e. interrupt music player, for within/during Basic)if he knows said machine is running at 400 percen…
  • The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes.<br /> <br /> [url="http://www.worldofspectrum.org/…
  • Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
  • Data bus at interrupt timeIt is "well known" that some peripherals can put values other than 0xff on the data bus at interrupt time, thus meaning that IM2 is slightly more fid…
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