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<1234567…34>
  • A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…

    ... 8 + BRIGHT (1) * 64
    ld (23693),a ...
    ;————————————————BEGIN REDEFINING KEYS——————————————

    ...
    ;——————————————END OF REDEFINE KEYS————————————————

    [/code]< ... they are defined in. Multiple keys pressed together ...
    Ast_A_Moore Ast_A_Moore October 2017 Development
  • Reading interface 2 using the IN commandHow do you read using the IN command from BASIC? You can read multiple keys at once, but I cant remember the values...

    How do you read using the IN command from BASIC?

    You can read multiple keys at once, but I cant remember the values...
    daveysludge daveysludge March 2012 Sinclair Basic
  • Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…

    ... diagonally.

    Problem:
    IN can have the value 191 ... ;63 THEN LET A=A-64
    30 IF A> ... ;" " : REM see what IN does when pressing multiple keys
    [/code]

    In this way your ...
    Dr BEEP Dr BEEP January 2006 Sinclair Basic
  • How to code a run and jumpHi all, Is there a way in basic to take action on two simultaneous key strokes. I want to add a run and jump i.e. keys Q and M but using inkey$ seem…

    ... run and jump i.e. keys Q and M but using ... ]

    The IN conmmand will read multiple keys.
    You can use ... use of the IN command.
    Also in line 64 even better controls ... since this checks on multiple rows and keys ...
    Dr BEEP Dr BEEP January 2011 Development
  • unusable KEMPSTON JOYSTICK in gamesSome ZX games use bad routine for read kempston joystick port. For example game BLOOD VALLEY read kempston joy from port #DF ( BIN 11011111 ). This s…

    ... games ?

    - detect in ZX emulator instructions for reading ... press keys ALT+O and in window set via cursor keys left/ ... For better finding in this game press in debugger keys ALT+O, ... Exist debugger (ESC) and continue in play game with kempston joystick ...
    velesoft velesoft June 2010 Games
  • How do you save in multi part games?With a game Like [i]The Bard's Tale[/i] or [i]The Lamberley Mystery[/i] saving is a bit more complicated than usual. Rather than just saving and relo…

    ... an image, the game came in multiple parts, sometimes on more ... to enter a dungeon. In the old game on tape ... went into the dungeon entrance in question, got prompted to ... dungeon off the right place in the right tape and ... you to the place in the city where you ...
    Atreyu Atreyu October 2012 Games
  • The Elite ZX Spectrum bluetooth keyboard and their implementation of key ghosting.They have plans to release it September 2014. [url]http://bluetoothzxspectrum.elite-systems.co.uk/index.php[/url] They have also a Kickstarter page,…

    ... Spectrum faced many technical challenges in the process of developing and ... that some keyboard keys don't work when multiple keys are pressed simultaneously ... when three keys were pressed at once. For example, in a shooting ...
    mcleod_ideafix mcleod_ideafix December 2013 Hardware
  • How are LAST-K and FLAGS set on a Real Spectrum?Hi, I'm writing a Spectrum emulator and I've got Horace and the Spiders working (with the wrong colours and no sound) but when I boot into ROM non…

    ... Horace and the Spiders uses IN to read the keyboard (which ... assume that they're set in a real Spectrum by the ... set?

    Regarding implementation in my emulator, I assumed that ... is stored in LAST-K so, if you press multiple keys between reads ...
    garethadams garethadams January 2019 Emulators
  • Beginner InfoI have trying to find some hardware information for use with assembly coding but havn't had much luck. For instance. How do I redirect the vertical …

    ... byte table deserves some explanation. In IM2 mode, an attached ... the 40 keys are arranged in 8 rows of 5 keys each. To ... pressed, or 0 if multiple keys or no keys pressed.

    ... key presses. For detecting multiple keypresses, as in a game situation, ...
    Alcoholics Anonymous Alcoholics Anonymous February 2006 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... implementing limited fuel, support for multiple keys at the same time, and ... /> LET a=(f>0)*(IN 32766a)*((IN 573420):
    LET i ...
    Einar Saukas Einar Saukas August 2007 Development
  • Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…

    ... More examples of choices made in the interpretter: Microsoft basic employs ... and practical. A case in point in the Spectrum ROM's ... than the 1MHz 6502 in a Commodore 64 even though these benchmarks ... 4% of cpu time without keys pressed. So not really a ...
    Alcoholics Anonymous Alcoholics Anonymous December 2007 Sinclair Basic
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... display by changing m-array in m$-array.

    ... />
    It cuts the generator in multiple smaller generators which prevents a ... filled

    LET p=64*INT (RND*3)+2*INT ... this will come in the game,
    not in the generatingroutine.
    Dr BEEP Dr BEEP April 2008 Development
  • Hidden porn screen in Cabal?Your Sinclair's review of "Cabal" says: "If you can find the right combination of keys to press on the title page there's a secret and rather fnar-wo…

    ... keyboard limitations only registering 3 keys at once.[/QUOTE]
    ... due to a bug in RealSpectrum that keeps a ... want to hold down multiple keys, hold the first one ... to trigger that Easter egg in the +3, for ... either typing it in or holding down the keys, and I ...
    StuBruise StuBruise January 2009 Games
  • Reading the Spectrum KeyboardI've been playing around with reading the Spectrum keyboard (in the guise of Spin 0.666) using Z80, and I believe I've discovered that the number of …

    ... (that is, when multiple keys are pressed in quick succession); [B ... multiple keypresses, e.g. casting a spell while holding down keys ... pressing three keys simultaneously sometimes resulted in a 4th ... keyboards that prevent certain multiple key combinations from ...
    RoseCotton RoseCotton December 2009 Development
  • speccy hardware differences?yup, ive escaped from chit chat for a second ive been reading the last issue of retro gamer and theres an article on the commodes sid chip it was s…

    ... any other Spectrum+ clone made in India (re-sale of old ... *were* one or two points in my playing Renegade history where ... going again by pressing down multiple keys frantically while the ditty was ...
    Arjun Arjun January 2010 Hardware
  • Delete keyIs it the case that this: [CODE]ld bc, 0xEEFE in a, (c) rrca jp nc, delete_key_pressed[/CODE] will jump if Caps-shift is pressed [B]or[/B] i…

    ... /> [CODE]ld bc, 0xEEFE
    in a, (c)
    rrca
    [/QUOTE]

    Keys in multiple half-row reads behave wire ...
    mcleod_ideafix mcleod_ideafix May 2010 Development
  • Infoseek as a web serviceFollowing up from [URL="http://www.worldofspectrum.org/forums/showthread.php?t=30438"]this thread[/URL], what sort of abilities would emulator and ot…

    ... a dictionary when you have multiple keys with the same name, as ... array types in those situations instead of scalars, so multiple use of ...
    NickH NickH July 2010 Sinclair Miscellaneous
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... members are accessed sequentially in memory; in such cases it is ... jams the keyboard and presses multiple keys at the same time, the ... remaining rows for no keys in a single IN instruction (just clear more ... will require a read pointer in additional to the write ...
    Alcoholics Anonymous Alcoholics Anonymous March 2011 Development
  • Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…

    ... routines round here - could come in real handy!!!..

    I ... each key tested for, preferrably in some sort of loop, with ... />
    For the key read in FAIBL I created a new ... . This helped me know if multiple keys had been pressed or not ...
    TomD TomD April 2011 Development
  • IN or INKEY ?just curious which is better to use.. I have a menu done.. and use 6/7 to go up down it + space to cycle thru the options (using inkey).. obv. if I w…

    ... what if you press multiple keys?
    (OK in INKEY$ this will lead ...
    Dr BEEP Dr BEEP October 2011 Sinclair Basic
  • IN or INKEY ?just curious which is better to use.. I have a menu done.. and use 6/7 to go up down it + space to cycle thru the options (using inkey).. obv. if I w…

    ... what if you press multiple keys?
    (OK in INKEY$ this will lead ... !)[/QUOTE]

    Notice the " ;) " in my post.

    Of ... reading full typed text, the IN way may become a nightmare ... the lack of bitwise operations in BASIC. But for simple OPQA ...
    na_th_an na_th_an October 2011 Sinclair Basic
  • Simple AY library in z88dk/CI was interested to see if I could make the 128k AY chip work, and as there wasn't any library on it, I just made one for fun. It's certainly not th…

    ... and is only useful in very specific situations. But ... meant to be used in daily routines. You can ... just program in C while trusting that ... hear when you press multiple keys together comes from the ... couple of extra functions in the library that can ...
    Timmy Timmy August 2012 Development
  • Something that just occured to me (Windows 8 related)Even though personally I probably won't be putting Windows 8 on any of my PCs, as it offers no real advantage for me, I have to keep my hand in with …

    ... drop 16-bit compatability in it's 64-bit versions of the ... applications whose code isn't "64-bit clean", although again ... uses "fat binaries" that contain multiple versions when compatibility across different ... something of an unwritten rule in the Mac world that ...
    AndyC AndyC August 2012 Chit chat
  • Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…

    ... works I could add it in.[/QUOTE]

    I ... I'm talking about but in two different programs.. Really good ... is an OUT port.. not IN :( :( (thanks to zx mailinglists ... does weird sounds while pressings multiple keys ... no chords :(

    aydemo3 ...
    DaRkHoRaCe DaRkHoRaCe November 2012 Development
  • Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…

    ... does weird sounds while pressings multiple keys ... no chords :(

    aydemo3 ... the AY library I wrote in [url]http://www.worldofspectrum.org ... .php?t=40525[/url] (= "Link2" in a previous post.) Sources are ... request I can add them in. :)
    Timmy Timmy November 2012 Development
  • Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…

    ... changed. If you press multiple keys, the keys are read in (some) order and ...
    Timmy Timmy November 2012 Development
  • Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…

    ... changed. If you press multiple keys, the keys are read in (some) order and ... control two notes in the same time..uhm in this way you ... you can play other notes in another channel.
    Maybe the ... two different notes In real time with two different keys. I don ...
    DaRkHoRaCe DaRkHoRaCe November 2012 Development
  • Simple AY library in z88dk/CI was interested to see if I could make the 128k AY chip work, and as there wasn't any library on it, I just made one for fun. It's certainly not th…

    ... those who missed the announcement in the other thread:
    (also ... easier to keep the demos in this thread as well)
    multiple keys, the keys are read in (some) order and ...
    Timmy Timmy November 2012 Development
  • Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…

    ... two different notes In real time with two different keys. I don ... can already hold multiple keys at the same time in this demo to ...
    Timmy Timmy November 2012 Development
  • Ay Real Time Synthetizer SoftwareSpectlemen and Spectladies!It's been a long time that I'd like to ask this.... I ask thee to create a new musical software for our ZX Spectrum machi…

    ... can already hold multiple keys at the same time in this demo to ... well. I was using it in a wrong way.
    Now ...
    DaRkHoRaCe DaRkHoRaCe November 2012 Development
<1234567…34>

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