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<1…15161718192021…34>
  • IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…

    ... />
    The PEEK and POKE BASIC statements manipulate memory using the ... instruction. The IN and OUT BASIC statements differ in that they ... /O ports to read the status of the keyboard but it makes ... ear and mic, and five keyboard columns. This would require ten ...
    zub zub September 2015 Hardware
  • Short & Amusing (was: Soduko Solver)Looking for some ideas for simple but fun programs, I came across this brute force soduko solver which might amuse: [code] // zcc +zx -vn -startu…

    ... point math speed. You can read a bit about it here ... so it's about 30% faster in this case.

    basic and BasI is the interpretter ... . BBC basic is reputed to be very ...
    Alcoholics Anonymous Alcoholics Anonymous September 2015 Development
  • 2015 Games ListHi, this is the thread I use for the 2015 Games List. Note: Due to forum update policies, the latest version of the list will always be found somewh…

    ...
    * [b]Elite's USB Keyboard released[/b]
    It was ... Link[/url]]
    Also, read the amusing reviews of this ... b]
    [i](Roguelike, BASIC)[/i]
    [[url="http://www ... charade-graphics-engine-for-sinclair-basic"]download, hidden somewhere[/url ...
    Timmy Timmy September 2015 Games
  • Utility to create long REM Line for storing M/C program - Maximum BASIC Line LengthHi, I think there was a Utlity or Toolkit to create a long REM-Line under 48k BASIC to store some MCode in it. So I don´t have to type e.g. 5…

    ... +3e so I have to read data from files. I use ... could I make it load faster. Some things I tried:
    faster) thing I tried:
    - Alter the BASIC to NOT ... .

    It was slightly faster than turbo loads (even with ...
    Zup Zup October 2015 Sinclair Basic
  • Bomb Munchies - preview releaseBomb Munchies Preview release Version 12th Jan 2014 [URL=http://s979.photobucket.com/user/MatGubbins/media/bmsix_zpsc33279a2.gif.html][IMG]http://i…

    ... = Kempston 55
    Inputs are read from 31, but not 55 ... machine.

    Testing in basic first, Sinclair 1 + 2
    REMmed out line 20 (to read port 55) and still no ... another on
    the keyboard - providing the keyboard does not lockout with ...
    MatGubbins MatGubbins November 2015 Brand new software
  • Recreated ZX Spectrum thoughtsI have a recreated ZX Spectrum (and a Vega and a 48K with SMART) and while I know it is not well regarded I actually quite like it. The app is "ok" a…

    ... a Vega, she said she read the online reviews and they ... knows? Anyway she said the basic idea online was that this ... $200 Rubber keyed Speccy shaped keyboard for my PC =))
    dm_boozefreek dm_boozefreek November 2015 Sinclair Miscellaneous
  • I had a go.I haven't written anything in ZX Basic since the 80s, so I thought I'd have a go. Now just to put you in the picture, I am a developer and know sever…

    ... around a keyboard (currently typing one handed much faster than most ... tape systems actually loaded BASIC from tape. Only then ... GWBASIC, which runs a BASIC program that receives RS232 communication ... and control ports). The BASIC program concentrates the data, ...
    1024MAK 1024MAK November 2015 Sinclair Basic
  • A doubt about IN and OUTIN (and OUT) can use bc to define a 16 bit port to be read or write, when used as in r,(c) or out (c),r. Also, if you use in a,(n) or out (n),a yo…

    ... "]Chapter 23 of the Spectrum BASIC Manual [/url] it depends on ... to read or write.

    e.g. for the keyboard IN ...
    dbolli dbolli January 2016 Development
  • Emulator developmentHi, Could anyone explain or direct to a link that explains in not to technical terms how an emulator is developed. It has always blown my mind eve…

    ... something that will run Speccy BASIC programs and appear to do ... component parts - mainly memory, processor, keyboard and i/o, video generator ... moment if it tries to read/write memory while the ULA ...
    joefish joefish March 2016 Emulators
  • Bomb Munchies - preview releaseBomb Munchies Preview release Version 12th Jan 2014 [URL=http://s979.photobucket.com/user/MatGubbins/media/bmsix_zpsc33279a2.gif.html][IMG]http://i…

    ... />
    and once I had read the helpful posting from Joefish ... ......
    Each player presses the keyboard/joystick, then sends the data ... consideration that 2D mode is faster than 3D mode) and the ...
    MatGubbins MatGubbins May 2016 Brand new software
  • A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…

    ... timer and "o" exits to basic.

    For this program ...
    Alcoholics Anonymous Alcoholics Anonymous June 2016 Development
  • 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 …

    ... dedicated keyboard to write keywords in python, specbas or a faster version ... of Sinclair Basic.
    What I ...
    hikoki hikoki July 2016 Hardware
  • Reading sequential key pressesI am thinking about writing a quick game and have an idea that requires me to read alternate key presses. I’m thinking along the lines of Daley Thomp…

    As you say, reading the keyboard 50 times a second is ... to read the keyboard and do it in a way that the faster ... actual time reading of the keyboard is very small so not ... a case of trying different read rates and see what works ...
    Mr Millside Mr Millside July 2016 Development
  • Reading sequential key pressesI am thinking about writing a quick game and have an idea that requires me to read alternate key presses. I’m thinking along the lines of Daley Thomp…

    ... Even for typing, sampling the keyboard more frequently than in the ... reading the keyboard and the responsiveness compared to basic's input ... keys at this frequency or faster and the character begins ... t update the input ports faster than once per interrupt. ...
    Hikaru Hikaru July 2016 Development
  • Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…

    ... without knowing which instructions are faster and, less importantly, which ... are likely to be faster in order to evaluate ... must read a byte from that address. A much faster related ... the code beforehand must perform basic checks and deliver parameters in ...
    Alcoholics Anonymous Alcoholics Anonymous September 2016 Development
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    ... running - the BASIC interpreter. It's programmed to read the memory that ... contains the BASIC program, interpret ... br />
    Now it's read those two bytes of data ... what makes it so much faster.


    And ...
    joefish joefish September 2016 Sinclair Basic
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    Here's a bit of BASIC for you:
    [code]
    ... FOR a=65344 TO 65367: READ v: POKE a,v: ... fewer pyramids and make everything faster (though less smooth in ... the pyramids topple and spin faster (respectively). Though make sure ... and over much, much faster.
    joefish joefish September 2016 Sinclair Basic
  • UDG generator doesn't work, why?Typing in the UDG generator from the manual I get integer out of range when I run it. I'm going nuts trying to figure out whats wrong. Can someone pl…

    ... complete moron at programming in Basic. All these clever suggestions from ... for me to ask my basic Basic questions?

    My first ... be moved around using the keyboard. That worked okay. So my ... 'm sure it would be faster possibly easier(?) to do in ...
    mik3d3nch mik3d3nch October 2016 Sinclair Basic
  • Noob's guide to joysticksWhy on earth would I be asking this *now*, I hear you all scream? The answer... curiosity. Back in the day all I ever had was a +2 and Sinclair's …

    ... d further assume that in BASIC it could be controlled ... a Fuller joystick is read by an IN 127 ... Audio Box joystick port was read via port $7F (127) ... was active low like the keyboard, instead of active high ... not sure how it was read from software.

    ...
    GReW GReW November 2016 Hardware
  • Noob's guide to joysticksWhy on earth would I be asking this *now*, I hear you all scream? The answer... curiosity. Back in the day all I ever had was a +2 and Sinclair's …

    ... from IN 31 using BASIC, since Sinclair BASIC wasn't designed to ... IN to read half a row (5 keys) of the keyboard and ... 't. This is how you read keypresses or the Sinclair joysticks ... operate any key on the keyboard. COMCON did something similar but ...
    joefish joefish November 2016 Hardware
  • How to make/program a Pacman game on ZX SpectrumHow can i program a Pacman game on ZX Spectrum 48k/128k?? On a video or a manual

    ... followed that link to Boriels Basic and read the whole article on ... stick to the original Speccy Basic.

    I got confused ... had to go back and read several bits over and as ... hand, its obviously a lot faster. Call me a stick in ...
    mik3d3nch mik3d3nch December 2016 Games
  • How to make/program a Pacman game on ZX SpectrumHow can i program a Pacman game on ZX Spectrum 48k/128k?? On a video or a manual

    ... had to go back and read several bits over and as ... to define UDGs in Sinclair Basic.

    [quote="mik3d3nch;889333 ... hand, its obviously a lot faster. Call me a stick in ... life savers![/quote]
    ZX Basic supports line-numbers if you ...
    GReW GReW December 2016 Games
  • What is needed to get a high standard , "emulator focused" PC?The implication I am making is that a normal PC can be improved on emulation wise by building in some emulation friendly features . But this could be…

    ... btw) because it has a keyboard incorporated for text adventures. This ... .4GHz wireless, and I've read that some BT gamepads do ... pc? well regular mouse and keyboard work the same, good monitor ... , lots of software available.. for basic stuff it seems a minipc ...
    hikoki hikoki February 2017 Emulators
  • Your favourite, second best 8 bit machine.So besides the ZX81 and the ZX Spectrum (in its different guises), which is your second most favourite 8 bit machine for looks and design? In order …

    ... was reasonably well appointed. The BASIC was built in, and it ... -99/4, perhaps it was faster?

    Mine was in ... and had a really decent keyboard. I remember a further cost ...
    msansom msansom February 2017 Hardware
  • MIDI for spectrumI saw another topic for this in search but it didnt get any informative replies. I was looking through a magazine and found some MIDI stuff, keyboar…

    ... to play on a real keyboard and translate it (somehow) ... MIDI was the answer and read all the old topics, ... MIDI compared to the 128K BASIC Play command (it's ... to send things from a keyboard to a Spectrum, while ... was playing on a MIDI keyboard and the AY chip ...
    zxbruno zxbruno February 2017 Sinclair Miscellaneous
  • "ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…

    ... with junk in 128/+3 BASIC. (It's annoying, because I ... the "ZX80 Brain" calculator is faster for the basics, the "ZX81 ... the Spectrum's functions in BASIC, I've just made them ... the correct flags, trying to read the exponent as a separate ...
    The Mighty Dopethrone The Mighty Dopethrone March 2017 Sinclair Basic
  • Memory questionsQuestion 1: PRINT PEEK 23732+256*PEEK 23733 returns 65535 for a 48K Spectrum and 32767 for a 16K Spectrum. PRINT PEEK 16388+256*PEEK 16389 return…

    ... ;901351"]The port addresses to read the keyboard don't change with ... allow for all issues of keyboard.[/quote]
    That will be ... code) not a ZX Spectrum BASIC "AND" (which just does a ...
    1024MAK 1024MAK March 2017 Sinclair Miscellaneous
  • 48K vs 128K BASIC, I prefer the keyword entry system how about you?Being brought up with the 48k rubber and 48k+ I find the keyword entry system really fast and enjoyable to use. When I've played around with the 128k…

    ... the entire basic language was on display on the keyboard itself and ... in basic as a kid because of it - I never read ... have benefited from a real keyboard and single key entry. ... nearly all home computers' basic implementations tied keyboard scanning to the vbi ...
    Alcoholics Anonymous Alcoholics Anonymous March 2017 Sinclair Basic
  • Project: ZX OpusHello my friends, I have been in need of a push lately so I thought if I post some of the work for this project here you guys (and gals) can help me …

    ... routine and a bit of BASIC using INS command. I ... =(

    [code]
    ; Read mouse data from k-mouse ...
    CALL GET_CH ; get a keyboard input
    CP 'q' ; ...
    Zetr0 Zetr0 March 2017 Software
<1…15161718192021…34>

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