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<1…18192021222324…34>
  • ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …

    ... favourite old style Atari joystick in Kempston mode

    ... and easily cut out additional port holes for your ZX- ... flexibility available to use sound in interesting ways

    ... installed by loading in TAP format through the EAR input connector.< ...
    harriusherbartio harriusherbartio December 2017 Hardware
  • IN instruction on emulatorsHi everyone I wrote: 10 PAUSE 0 20 PRINT IN 63486 If i press 1, result is 190 instead of 254 (i used FUSE and Spin) If i press 2, 189 (253) i…

    ... three bits when reading from port $fe. Bits 5 and 7 ... , but Bit 6 is the EAR/MIC socket (they are connected ... keyboard. You’re only interested in the bottom five bits.
    Ast_A_Moore Ast_A_Moore March 2018 Sinclair Basic
  • Making sound using the BEEPER in AssemblyI had a look at the the documentation but it doesn't make sense to me. To make music just the beeper all I have to do is send ones and zeros to one o…

    ... would be some variance in the output frequency. ... would depend on whether Port 254 is contended or ... high byte of the port address. Finally, at ... +2A/+3 apply port contention in a way that is ... port contention? Something that would make it easy to determine by ear ...
    Ast_A_Moore Ast_A_Moore July 2018 Assembler
  • Making sound using the BEEPER in AssemblyI had a look at the the documentation but it doesn't make sense to me. To make music just the beeper all I have to do is send ones and zeros to one o…

    ... a bit cleaner. To my ear, the emulated results are ... The high byte of the port, again, doesn’t make ...
    Whether there’s contention in both cases or not, it ... it is applied differently to port $fe on different architectures ... high byte of the port address.
    Ast_A_Moore Ast_A_Moore July 2018 Assembler
  • Making sound using the BEEPER in AssemblyI had a look at the the documentation but it doesn't make sense to me. To make music just the beeper all I have to do is send ones and zeros to one o…

    ... low signal), so, at least in theory, all I/O access ... the high byte of the port on the 128K still doesn ... are to minute for the ear to perceive.
    Ast_A_Moore Ast_A_Moore July 2018 Assembler
  • Features that never made it into the SpectrumAlthough kind of a Hardware question (a kind moderator might want to move it, I was 50/50 on where to post it, I don't mind) , I was thinking about t…

    ... was supposed to have built in support for the microdrives. I ... a serial port was considered.

    In regards to the ear and ...
    1024MAK 1024MAK September 2018 Sinclair Miscellaneous
  • Just rescued an old tape recorder from the thrash binPeople who saw me must have thought that I am crazy. :P Couldn't resist, in spite of the poor exterior condition of the unit (all wet and dirty) i…

    ... you need to remove the ear jack before you actually save ... , a transistor and a call in BASIC to the RS232 port!
    DEATH DEATH November 2018 Chit chat
  • Understanding tape edgesI've never done any tape reading code. But I've read about these "edges" on multiple occasions. Trouble is I don't understand what they heck they are…

    ... , tape out (Mic) and tape in (Ear) all share the same ULA ... set to at I/O port 0xFE (254). The actual ... When Speccy is reading the port, is there any noise? I ... read 1 out of MIC port is that a rising edge ... ? So if I read the port without the tape connected, there ...
    1024MAK 1024MAK October 2019 Development
  • Bit of fun - ToastRack , one change onlyAlthough there's an old "one change only" topic about, I was thinking about the toastyrack 128's earlier. Its actually the only Spectrum model I've n…

    ... used for either a built in network port or a simple RS232 ... serial port.

    But Sinclair ... ULA I/O port bits would do, in order to maintain ... issue 2 boards (the Ear/Mic/Speaker part of the ... 8 x 6. The Ear input would still have been ...
    1024MAK 1024MAK November 2020 Hardware
  • Mini Spectrum +2Hi, I've just missed out by 53p on a Spectrum +2 which was chop sawed to make it a Mini Spectrum +2: https://www.ebay.co.uk/itm/Grey-Spectrum-Plus-2…

    ... sound port on a +2 can be used for both ear and ... connector to a Y-splitter ear and mic would be necessary ... these were available back in the day in Tandy:
    https://www ... be possible to wire up ear and mic sockets from tape ...
    lynn3686 lynn3686 December 2020 Hardware
  • Are there any TWIN COMPUTER games or any other twinned software for the ZX Spectrum?I noticed in the PSS Game "Tobruk" that there was an option for the use of 2 Amstrad Micros . The instructions say :- "This advanced version of Tobru…

    ... would require very little in terms of interfacing so ... comms via the tape's EAR/MIC.

    ... /> Pin No. Amstrad CPC Joystick Port
    1 Up
    ... collector COM ports which in fact act as outputs. ... Was rs232 via the joystick port a thing on the ...
    Alcoholics Anonymous Alcoholics Anonymous December 2020 Games
  • Kempston problems in XPOK, I've been running ZX32 on Win98 for a year or so and using my Sidewinder Pro pads with games providing the Kempston joystick option. Everything …

    ... has decided to continually move in a South-Easterly direction no ...
    Andy C Andy C February 2002 Emulators
  • Keys in 48k mode for SpecEmu 1.2?Hello all, Does anyone know how to get the " symbol to appear when in 48k mode on Spec Emu 1.2? As you can imagine, it's pretty essential to be able…

    ... the " symbol to appear when in 48k mode on Spec Emu ...
    David David July 2001 Emulators
  • Beginners in need of Help using WarajevoAs a newcomer to emulators I would really appreciate some help on how to use pokes (pok files) for the Warajevo emulator. I reallly don't have a clu…

    ... 'm sure there are others in the same boat who would ...
    Rob in Hull Rob in Hull March 2001 Emulators
  • AY in gamesMe interest, whether there is 128k modes and AY a music in the following games for ZX Spectrum?: Codemasters: Mig-29 Soviet Fighter 3D Starfighter …

    ... modes and AY a music in the following games for ZX ... Mouse Super Cop/Murray Mouse In Mouse Mania
    Olli and ...
    Aleksey Aleksey February 2002 Games
  • stuck in Jasper!Hi Speccy-buddies! I am playing the cool game Jasper but I am completely stuck on the screen with the two snakes. Its the screen which appears after …

    ... also to fetch the rope in the tree but the tail ...
    Dasse Dasse February 2002 Games
  • Bug in Nemesis the WarlockI've noticed a bug in Nemesis the Warlock that prevents the game from being completed. On level 7, both on the 48K and 128K versions, the sprite repr…

    ... 've noticed a bug in Nemesis the Warlock that ... emulation problem since back in July 1987 I had ... got from one of the (in)famous Italian "tape magazines", ... it seems it was something in the original game.
    ... to alter the code in order to ensure proper ...
    Alessandro Grussu Alessandro Grussu December 2001 Games
  • What in the hell does...(UL), (AL), (S3) (DI), (DL), (PW), etc. mean? I found these in the games list, and have no idea about the meaning. Thanks in advance

    (UL), (AL), (S3) (DI), (DL), (PW), etc. mean? I found these in the games list, and have no idea about the meaning.
    Thanks in advance
    Anonymous Anonymous November 2001 Games
  • Missing in CopyrightSee 'Miscellaneous' forum - Missing in Copyright list...? posted by neffuM. Interesting stuff going on there...

    See 'Miscellaneous' forum - Missing in Copyright list...? posted by neffuM. Interesting stuff going on there...
    Fuzzbucket Fuzzbucket August 2001 Games
  • Stuck in head over heelsHelp - I'm stuck half way through in bookworld - even with map. I've reached a pink room with only one entrance - I can get heads to a platform at t…

    ... 'm stuck half way through in bookworld - even with map.
    Jim Jim August 2001 Games
  • what are in your opinion........what were in your opinion the best magazines for the spectrum and why? [img]/__forums/images/smiles/icon_smile.gif[/img] octave

    what were in your opinion the best magazines for the spectrum and why? [img]/__forums/images/smiles/icon_smile.gif[/img]

    octave
    octave octave February 2002 Sinclair Miscellaneous
  • Kempston Interface/Games cartridge portI recently bought an original Kempston joystick interface which features 3 rather nifty joystick ports (1 kemp, 2 sinclair) and a little slot which i…

    ... of cart which was used in the Interface II - the type ...
    Fuzzbucket Fuzzbucket January 2002 Sinclair Miscellaneous
  • Spectrum games in mobile telephone?Spectrum games in mobile telephone? read this: [url="http://news.zdnet.co.uk/story/0"]http://news.zdnet.co.uk/story/0[/url],,t269-s2100315,00.html I …

    Spectrum games in mobile telephone? read this: [url="http://news.zdnet.co.uk/story/0"]http://news.zdnet.co.uk/story/0[/url],,t269-s2100315,00.html
    I can't believe it!!!
    Anonymous Anonymous December 2001 Sinclair Miscellaneous
  • Programing/iterfaceingsorry about my spelling. I have looked for a long time on the internet and havent found anythink about programing the expation port to drive l.e.d.s …

    ... anythink about programing the expation port to drive l.e.d ... please couuld you point me in the right direction.

    Mike Mike November 2001 Sinclair Miscellaneous
  • ZX PC InterfaceA couple of weeks ago ( or is it months already? ) I told you to built an interface between Speccie and PC through the parallel port. After making so…

    ... PC through the parallel port. After making some ... Speccie only has 8 in/out-lines for data ... . Sent your byte in 2 parts and it ... /> 1x Spectrumconnector (not available in Holland anymore, but an old ... (fe)male connector parallel port (depends on used connector ...
    Dr BEEP Dr BEEP October 2001 Hardware
  • I can't enter in maps section!!Hi, sorry about my english. I've trying to enter in the maps section this afternoon, but it wasn't possible. I' ve ADSL line & IE 5.5. It appears a …

    Hi, sorry about my english. I've trying to enter in the maps section this afternoon, but it wasn't possible. I' ve ADSL line & IE 5.5. It appears a post with the text "the Ftp session is finished". May anybody help me??. Thanks a lot.
    Pain Pain September 2001 Sinclair Miscellaneous
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
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    mel the bell on April 21
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    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
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  • +3 Disk drive motor
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