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 0.003s
<1…17181920212223…34>
  • 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…

    Great work ! So I take it there's no way to 'manually' re-page the ROM once an interrupt is finished ?

    I've relocated some of my code and I'm now calling TR-DOS trough IM1, but I'm curious if I could have done otherwise.
    GOC GOC November 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…

    [quote]
    On 2003-11-18 15:15, GOC wrote:
    Great work ! So I take it there's no way to 'manually' re-page the ROM once an interrupt is finished ?
    [/quote]

    Nope :(
    Jon Needle Jon Needle November 2003 Development
  • AY-3-8912 help !Hi all. Happy new yeay. I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find …

    ... the Spectrum's vertical blanking interrupt. Most of the music ... allow you to compose these interrupt driven tunes and then ... this is no longer interrupt driven music and unless you ... intervention.

    The interrupt generated players use patterns and ...
    Alcoholics Anonymous Alcoholics Anonymous January 2004 Development
  • Better on an Emulator?!With the power of current PCs we can have our old spectrum running x2 x20 x100 it's original speed. There must be some games that benefit greatly f…

    ... relied on the 50th/second interrupt to perform timing and display ...
    Dunny Dunny January 2004 Games
  • Beta versions of Fuse 0.6.2 and libspectrum 0.2.1 availableDear all, The Fuse team is pleased to announce the release of a beta version of the upcoming 0.6.2 release of Fuse and the Fuse utilities, as well a…

    ... number of tstates after an interrupt that the main display starts ...
    Fred Fred January 2004 Emulators
  • TimingHey All, Is their away of obtaining timing information on ZX128k other than addresses 23672->23674. Basically I would like to identify every 100th …

    ... simply incremented every time an interrupt is acknowledged, hence the 0 ... timings right relative to the interrupt (see the [url="http://www ...
    Philip Kendall Philip Kendall January 2004 Development
  • Spectrum 128 Graphics - A missed opportunity?The Spectrum 128 is my favourite model of the Spectrum - the pinnacle of the Sinclair miracle before it was hijacked by Amstrad. But I can't help thi…

    ... the screen memory at every interrupt without the programmer explictly doing ...
    cyborg cyborg February 2004 Sinclair Miscellaneous
  • Spectrum 128 Graphics - A missed opportunity?The Spectrum 128 is my favourite model of the Spectrum - the pinnacle of the Sinclair miracle before it was hijacked by Amstrad. But I can't help thi…

    ... the screen memory at every interrupt without the programmer explictly doing ...
    LCD LCD February 2004 Sinclair Miscellaneous
  • TimingHey All, Is their away of obtaining timing information on ZX128k other than addresses 23672->23674. Basically I would like to identify every 100th …

    Some other computers have a 100Hz interrupt. You probably want it for 100 sounds per second?
    Fraser Fraser February 2004 Development
  • Game Editor questionI'm currently updating my image utility - TommyGun and my old Map editor, which I haven't released on WoS yet. My question is this. Would people li…

    ... independent library, as will the IM2 stuff, abstract data types, etc ...
    Alcoholics Anonymous Alcoholics Anonymous February 2004 Development
  • TZX format updateHi folks. Following the private communication with Andy I would like to start a discussion on changing the TZX format to reflect new needs and improv…

    ... help from the hardware - an interrupt :) )

    About the "bit ...
    Tom-Cat Tom-Cat February 2004 MIA/STP/SDP
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... ]

    NMI == "non-maskable interrupt". 'Normal' interrupts (those generated by ... DI instruction. The non-maskable interrupt, as you may be able ...
    Philip Kendall Philip Kendall March 2004 Sinclair Miscellaneous
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... wrote:
    NMI == "non-maskable interrupt". 'Normal' interrupts (those generated by ... DI instruction. The non-maskable interrupt, as you may be able ... allow you to force an interrupt whenever you want, and jump ...
    monty.mole monty.mole March 2004 Sinclair Miscellaneous
  • Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??

    ... programs to play a neat IM2 trick).
    Philip Kendall Philip Kendall March 2004 Sinclair Miscellaneous
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... for the
    Timer A interrupt.

    The routine is ... .

    1 Vertical blank interrupt that displays and then resets ...
    Yerz Yerz March 2004 Sinclair Miscellaneous
  • How to program Machine Code on a PC, and then run it on a speccy?Well, I've been looking into MC a bit more deeply recently - I reckon I could get my head round MC now. Back when I was a teenager, I couldn't see th…

    ... placing precomputed tables, gfx or im2 routine in your src
    Fikee Fikee March 2004 Development
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... handle the effects in an interrupt routine...

    I'll ...
    gasman gasman April 2004 Sinclair Miscellaneous
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... handle the effects in an interrupt routine...
    [/quote]

    interrupt routine.

    One reason ... Amiga trackers used the frame interrupt as well.

    The ...
    Alcoholics Anonymous Alcoholics Anonymous April 2004 Sinclair Miscellaneous
  • My first attempt at Gigascreen interlacingWonderful. Did some research on the port which controls memory paging and wrote a short BASIC programme to switch pages 5 and 7 in and out of the scr…

    ... you switch screens on the interrupt the two screens will interlace ...
    Fraser Fraser May 2004 Development
  • My first attempt at Gigascreen interlacingWonderful. Did some research on the port which controls memory paging and wrote a short BASIC programme to switch pages 5 and 7 in and out of the scr…

    ... you switch screens on the interrupt the two screens will interlace ...
    LCD LCD May 2004 Development
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    Writing your own interrupt routine would seem much easier.
    Philip Kendall Philip Kendall May 2004 Development
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    ... /> [/quote]

    Basic's interrupt service routine takes more than ... pass between when the vsync interrupt occurs and the beginning of ... if you wrote your own interrupt routine.
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Development
  • VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…

    Many thanks for the sample code for the Interrupt routine, I shall try this out straight away
    robpearmain robpearmain May 2004 Development
  • Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…

    ... as you're not in interrupt mode 1? Otherwise, various system ...
    monty.mole monty.mole May 2004 Development
  • Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…

    ... out elsewhere, the standard ROM interrupt routine takes ~1000 tstates to ...
    Philip Kendall Philip Kendall May 2004 Development
  • Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…

    ... interrupts enabled, but fail if interrupt occure a bit earlier then ...
    Vladimir Kladov Vladimir Kladov May 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…

    ... game loop taking the frame interrupt in consideration. For a Coupe ... /> [quote](and 4) perhaps also interrupt handling in general?)[/quote]
    ekoman ekoman July 2004 Development
  • Z80 processor question...Suppose we fill the entire $0000-$ffff memory range with $ed. What will the processor do ? I suppose it will get locked, but will it still respond to…

    ... .
    [/quote]

    No interrupt will be accepted throughout any ...
    Woody Woody 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…

    ... to see you got the IM2 display working - it's the ...
    cyborg cyborg July 2004 Development
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... />
    * An interrupt cannot occur immediately after an ... * M1: 7 tstates: acknowledge interrupt and decrement SP.
    * ... * M1: 6 tstates: acknowledge interrupt and decrement SP.
    * ... /> * M1: 6 tstates: acknowledge interrupt.
    * M2: 3 tstates: ...
    Fraser Fraser July 2004 Development
<1…17181920212223…34>

Latest Posts

  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
interrupt 2.6K 4.5K
im2 709 1.1K

Related Threads

  • 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…
  • IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it<br /> <br /> Note, for 48k spectrum using TASM<br /> <br /…
  • How can I see how long it took for IM2 to runHow can i see how many cycles it took for my interrupt routine to run, is there some way with Spectaculator debugger etc to see how long it has taken…
  • Interrupt timingsHow long does the ULA hold /INT low for on interrupt on each of the Spectrum models?
  • Assistance with IM2 routineI subsequently got a working IM2 routine.
  • 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…
  • SP and IM2 woesI have a function that writes the backbuffer to the screen using the method by which SP is stored, I "POP" a load of registers and then chnge SP to t…
  • IM2 Loading on +3EHi there Speccy Guru's,<br /> <br /> As some of you know, I've spent a while building the ultimate image for +3e, it's currently at 6000+games and de…
  • IM2 calls to player routine on 128k?Hi all,<br /> <br /> Apologies for being crap, and not even in a funky, skillo kind of way but it's been over 20 years since I last wrote anything in…

Related Searches

  • im2 16k
  • im2 16k interupt
  • 16k interrupt
  • im2
  • im1 interrupt routine
  • im1 rom interrupt routine
  • im1 rom interrupt routine iy
  • interrupt routine
  • best place for interrupt routine
  • best place for interrupt table
  • interrupt table
  • vortex interrupt
  • interrupt rom
  • firestorm interrupt
  • non maskable interrupt
  • non maskable interrupt error
  • non maskable interrupt start
  • interrupt
  • beeper interrupt
  • interrupt im2

Copyright © 2024 World of Spectrum