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Search Again :: Adv Search 1000 results in 0.031s
<1234567…34>
  • ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …

    ... . However, for the remaining options (using even and/or interlaced Gamma, limiting ... try to run some tests using real data before deciding anything ...
    antoniovillena antoniovillena January 2013 Brand new software
  • Fully-addressed devices initiative (FADI)I would like to introduce an initiative for those who create new pieces of hardware containing legacy devices with well-known addresses. It says that…

    ... [B]only[/B] the hardware using xx3B ports...

    In such ...
    Jiiira Jiiira March 2013 Hardware
  • Fully-addressed devices initiative (FADI)I would like to introduce an initiative for those who create new pieces of hardware containing legacy devices with well-known addresses. It says that…

    ... [B]only[/B] the hardware using xx3B ports...

    In such ...
    guesser guesser March 2013 Hardware
  • Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…

    ... I/O contention except on even ports.
    chev chev September 2013 Development
  • Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…

    ... I/O contention except on even ports.[/QUOTE]
    Well, the first ... to base my detection on ports, which can be blocked and ...
    introspec introspec September 2013 Development
  • Using even ports for input?I've been looking for unused ports to use with my clashbasher interface. I understand that the spectrum only considers A0 when decoding its input p…

    You can always hold the IORQGE line high which will prevent the ULA from decoding even ports. (I think IORQGE isn't present on the +2A/+3 though).
    Winston Winston January 2014 Hardware
  • KempstonMouseToolkitMIA [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0012456[/url] found at [url]http://trastero.speccy.org/2012/300714/KempstonMouse.zip[/url]

    ... kempston mouse, because use different ports for mouse reading. (use incomplete ... /> Here is fixed version using correct ports and in TAP format:
    velesoft velesoft October 2014 MIA/STP/SDP
  • ZX Spectrum Next Kickstarter Launchedhttps://www.kickstarter.com/projects/1835143999/zx-spectrum-next

    ... generation of games come out using both ports, Jim Bagley will lecture ...
    Pegaz Pegaz May 2017 Sinclair Miscellaneous
  • Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …

    ... easy "plug and play" compatibility using existing ports . This has to be ...
    harriusherbartio harriusherbartio November 2017 Hardware
  • MAME in spectrum emulationHey to all Does anyone use MAME as a emulator port for any Speccy HW? I was so far away from MAME developments I forgot they merged with MESS whic…

    good to know. I also agree that MAME is becoming massively idiotic at this time. What is the one you guys are using, even paid for (PC, not Pi)? I have no problem sending donations to proper SW builders :)
    alban lusitanae alban lusitanae December 2017 Chit chat
  • Some questions about the Timex TC2048/TC2068I have been doing some research about the specs of these 2 machines but I suppose it would be better to ask for advice in the forum since I have neve…

    ... had.

    All Timex ports are fully decoded. So that ... the spectrum responds to all even ports, only respond to port 0xfe ...
    Alcoholics Anonymous Alcoholics Anonymous January 2018 Hardware
  • Some questions about the Timex TC2048/TC2068I have been doing some research about the specs of these 2 machines but I suppose it would be better to ask for advice in the forum since I have neve…

    ... had.

    All Timex ports are fully decoded. So that ... the spectrum responds to all even ports, only respond to port 0xfe ...
    Black_Cat Black_Cat January 2018 Hardware
  • Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…

    ... mean, ULA responds to all even ports, so I doubt you could ... really read floating bus from even ports.

    [quote]Thanks, I ... , but this wording makes it even more confusing.

    [quote ...
    Patrik Rak Patrik Rak November 2019 Development
  • Built a ZX Spectrum that works, but can't get the upper RAM to work?Like the title says I finished my Spectrum 3B board, and it boots, but it doesn't see the upper 32k of RAM. When it boots, the lower 16k works f…

    what memory are you using ? even if using 4164 then the selection should still be set .. also if using 4164 is it 128 cycle refresh rate ? not sure about your program need to put my head on to understand it
    mark8bit mark8bit June 2022 Hardware
  • Built a ZX Spectrum that works, but can't get the upper RAM to work?Like the title says I finished my Spectrum 3B board, and it boots, but it doesn't see the upper 32k of RAM. When it boots, the lower 16k works f…

    ... ;992431"]what memory are you using ? even if using 4164 then the selection ... still be set .. also if using 4164 is it 128 cycle ...
    DistantStar001 DistantStar001 June 2022 Hardware
  • Using Interface II joystick in kempston-only gamesHi everyone! It's me again, bothering you with new crazy ideas :) I have recently acquired an Amstrad +2A Speccy with a joystick and built-in Interf…

    ... a joystick and a port (even 2 ports) you can't use ... through connector, so forget about using DivIDE with them.

    Lady Eklipse Lady Eklipse August 2010 Hardware
  • The old days and improving the Spectrum experience.I was reminded of this recently, by a thread about Mask... Back in the day, I used to have a DISCiPLE interface and had to make do with snapshots of…

    ... take 176K with snapshots, even if the code was identical ... the standard loader... Headerless files using CALL 1366 (& variants)... ... to break one of the ports on my DISCiPLE with my ... get out of the Spectrum, even without specialist hardware and software ...
    Jmk Jmk May 2004 Sinclair Miscellaneous
  • IN command in BASIC to read keyboardThis weekend on a Sinclair meeting we had some BASIC-games using IN to control the character. The maker of the game assumed that the result of an IN …

    ... we had some BASIC-games using IN to control the character ... =IN 32766 : REM or other ports
    30 IF A=DEF ...
    Dr BEEP Dr BEEP September 2005 Sinclair Basic
  • 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…

    ... between basic and asm, and even when you become an expert ... .

    #2 I am using Microsoft debugging strategy. This release ... () (for reading/writing i/o ports), swapendian() have been added to ...
    Alcoholics Anonymous Alcoholics Anonymous April 2006 Development
  • I've been using a Mac, I must say I'm dissapointed.I have been using an Apple Macintosh to do some video editing this week. I also trialed it on other simple tasks such as web browsing and Java apple…

    I have been using an Apple Macintosh to do ... deployment.

    I was using one of our university's ... 's minimalistic, but to do even the simplest of things seems ...
    Scottie_uk Scottie_uk April 2007 Chit chat
  • What I hate about computers and/or video gamingYesterday I spent approximately four months (subjecively that is, objectively it was around two to three hours) fixing my mate's PC. I won't bore you…

    ... ****. Idiots.

    * Microsoft using cheap, varying brand DVD drives ... br />
    * Bad game ports, such as Carmageddon 64 (the ... versions introduce new bugs, even though these new versions frequently ... of new hardware, and even though that same person ...
    ewgf ewgf August 2007 Chit chat
  • ZX Spectrum and (real) B A S I CSometimes ago there was a thread "how spectrum changed your lives". Another thread dealt with "how to copy spectrum screens using basic not using co…

    ... to copy spectrum screens using basic not using complicated that machine ... on uniformed ports as USB and that also only using very specialized ... to deal with electric hardware even today he / she will ... .asp[/url] ), which can even be programmed in a simple ...
    ingo ingo October 2007 Sinclair Miscellaneous
  • SPIN's breakpoints - an overviewAs quite a few people have been asking how to set breakpoints on memory write etc. in SPIN, here's a description of the way the breakpoints work. Get…

    ... port I/O instead by using RPORT and WPORT. If you ... , to write to the paging ports, amongst other things. You may ...
    Marko Marko November 2007 Development
  • 128 I/O portsIn The Spectrum Hardware Manual there is a small circuit on page 71/72 to allow 128 I/O ports by using IORQ+A7 to override IORQGE, so any I/O access …

    ... to allow 128 I/O ports by using IORQ+A7 to override ... , so freeing all I/O ports in the &xx00-& ... at the 128 I/O ports patch, it occurs to me ...
    Jonathan Harston Jonathan Harston November 2007 Hardware
  • Mapping big games using screenshotsI know it's an unpopular thing with some people, and I object to whoever did the Deactivators map as it's shit and only shows room layouts and nothin…

    ... 1GB RAM and I'm using Paint Shop Pro 8, it ... as I go. I've even tried saving into sections and ... to get my computer back. Even though the file sizes are ...
    Vertigo Vertigo February 2008 Sinclair Miscellaneous
  • z88dk 1.8 releasedSince I am the most regular of the z88dk peeps to post here I might as well let you all know that v1.8 has been released. [code] A little later than…

    ... imported and is available to ports with graphics capabilities
    - [lib ... keep a regular release schedule even if everything we want done ... , games written for the spectrum using this library can be relatively ...
    Alcoholics Anonymous Alcoholics Anonymous March 2008 Development
  • Ports on ZX Spectrum +3 ? - conflicts with MB02+?Can anyone tell me, what ports are used from +3? Will there be conflicts with MB02+ ports or with divIDE ports (because MB02+IDE uses divIDE ports)? …

    Can anyone tell me, what ports are used from +3? Will ... be conflicts with MB02+ ports or with divIDE ports (because MB02+IDE ... uses divIDE ports)?

    I'd like ... to use +3s floppy while using MB02+).

    Ingo ...
    ingo ingo April 2008 Hardware
  • XBox vs. PS2 vs. GamecubeWhich of the three machines did you prefer? Personally I prefer the XBox, with the PS2 second and the Gamecube third, for the following reasons. […

    ... XBox has four controller ports as standard, unlike the ... the hard drive and even replace the hard drive ... now, despite my hardly using it (I run everything ... the Gamecube and PS2, even though you could plug ... Plus it had four controller ports, the discs were fast ...
    ewgf ewgf May 2008 Chit chat
  • Need a pointer to using the spectrum calculator from MCHi all, Can anyone point me to a good resource on using the spectrum calculator stack from machine code? I need to work out the number of seconds f…

    ... to a good resource on using the spectrum calculator stack from ... code! and 10pm + would be even larger!

    I have ... !)

    The reason for using frames is really 2 fold ...
    dickydodds dickydodds February 2009 Development
<1234567…34>

Latest Posts

  • Minor British Sports that did become games on the ZX Spectrum
    dmsmith on April 22
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    Maroc's Other Projection on April 22
  • Goodbye Z80
    moggy on April 22
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on April 22
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on April 22
  • I am currently watching.....
    Antiriad2097 on April 22
  • European Software Titles with an English version
    harriusherbartio on April 22
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on April 22
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on April 22
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21

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  • Using even ports for input?I've been looking for unused ports to use with my clashbasher interface. <br /> <br /> I understand that the spectrum only considers A0 when decoding…
  • Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…
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