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<1234567…34>
  • Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…

    ... make arbitrary data appear on IN 31 from the screen RAM.< ... interface is disconnected, and I read IN 31 while the ULA is still ... using a short interrupt routine in IM2 to make sure of ... interface is connected, and I read IN 31, can I be sure ... I've just typed in.
    ajmoss ajmoss April 2010 Hardware
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... br /> On 2005-03-31 14:48, Arjun wrote:
    in BASIC routines?

    in Borders.

    ... very easy. You just read "IN 31" and it'll give ... compiler, (and sometimes in BASIC) you can get ...
    chaosmongers chaosmongers April 2005 Development
  • Detecting a Kempton joystick...I've been playing with the idea in the games I'm currently developing so that once the Kempston joystick has been selected you can hold FIRE down to …

    ... /> XOR A
    L889A: IN E,(C) ; Read IN 31
    OR E
    DJNZ L889A ; Loop to read 256 ...
    Jonathan Harston Jonathan Harston January 2008 Development
  • Detecting a Kempton joystick...I've been playing with the idea in the games I'm currently developing so that once the Kempston joystick has been selected you can hold FIRE down to …

    ... /> XOR A
    L889A: IN E,(C) ; Read IN 31
    OR E
    DJNZ L889A ; Loop to read 256 ...
    Code Monkey Code Monkey January 2008 Development
  • Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…

    ... joystick is not moved then IN 31 will consistantly and constantly return ... /> 607: 889A ED58 L889A: IN E,(C) ; Read IN 31
    608: 889C B3 ... 10FB DJNZ L889A ; Loop to read 256 times
    610: 889F ...
    Jonathan Harston Jonathan Harston April 2010 Hardware
  • Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…

    ... is disconnected, and I read IN 31 while the ULA is still ... is connected, and I read IN 31, can I be sure ... that I've just typed in.[/QUOTE]

    ... is possible:
    - read port 31 after HALT instruction (or ... D4 are both in 0
    If IN 31 return on bits ...
    velesoft velesoft April 2010 Hardware
  • OUT to file, IN from fileOUT - sentences won't do much on emulators since they mostly communicate with external devices. If there was an emulator that would write the (last) …

    ... a file and read the (last) IN-ed value, then ... and in another WINDOW-program you could read this ... 31.IN and the emulator would read the value with LET A=IN 31 ... .

    In ... hardware.

    In my case I could test ...
    Dr BEEP Dr BEEP August 2002 Emulators
  • Trying to read in a list of items from DATA statementsThus far I have: data "cherry","apple","banana","grape","orange" But when I read it in using this: FOR X=1 TO 5: READ n$(X): NEXT X It only reads…

    ... />
    But when I read it in using this:

    FOR ... X=1 TO 5:
    READ ... n$(X):
    NEXT X

    It only reads in ... to not enclose the data in ""?

    Paul
    Paul Panks Paul Panks May 2008 Sinclair Basic
  • Asian Pacific Economic Cooperation in Chile. What you think?Hello specmates, Maybe some of you - european people -, read in the news about the APEC reunion of the 21 presidents of the more important economies…

    ... some of you - european people -, read in the news about the APEC ... Putin or Bush guys were in Chile, discussing about terrorist acts ... the Clive Sinclair utopic (not in an communist point of view ... what can be this world in a Sinclair way of DO ...
    Motomono Motomono November 2004 Sinclair Miscellaneous
  • Kempston joystickI don't have a joystick connected to my PC so I'm not able to get the values I need so can anyone help me out ? I read in this forum that I can read …

    ... anyone help me out ? I read in this forum that I can ... read the Kempston joystick interface with ... /> [code]
    ld bc,31
    in a,(c)
    [/code]
    in the up, down, left and ...
    Mr Millside Mr Millside August 2005 Development
  • IN for KempstonHi all A few years ago I wrote a Spectrum program that used graphics on screen to indicate what position a Joystick was in. I need the read IN instru…

    ... position a Joystick was in. I need the read IN instruction for Sinclair ... to know what is the IN for Kempston, and the Sinclair ...
    swift240 swift240 June 2007 Hardware
  • Name three books that a person MUST readHere's the score guys. Life is short, and I don't have enough time to read all the books I'd like to read. Therefore, I'd like you to name the three …

    ... 't have enough time to read all the books I'd ... like to read. Therefore, I'd like you ... that you feel MUST be read in this lifetime.

    For ... funniest book I've ever read)

    2. The Stand ...
    BigBadMick BigBadMick August 2007 Chit chat
  • 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…

    ... brackets are used in the debugger to specify a read from memory ... 's also a corresponding RADDR (Read ADDRess). You can break on ... Kempston joystick interface, accessed via IN 31. The most common way of ... depend on the value in A before the read took place! Fear ...
    Marko Marko November 2007 Development
  • Missing coder in Star ControlAs read in the loading screen, the game was programmed by Neil Tennant.

    As read in the loading screen, the game was programmed by Neil Tennant.
    Ivanzx Ivanzx May 2010 Infoseek database
  • more on storing mazesPrompted by Wookiee's escapades, I've been pondering on how to use DATA statements directly for displaying background graphics, thus avoiding the dup…

    ... "?" to "?" for numbers 0 to 31 (thus "a" to "z" = ... the preceding place markers are read in order to locate each ... a=udg TO udg+8: READ v: POKE a,v: ... :
    RESTORE base+m: READ n$: LET datend=FN p ... 70 RESTORE base+m+1: READ n$: LET datend=FN p ...
    Battle Bunny Battle Bunny February 2012 Sinclair Basic
  • New game not listed in the archive found in a websiteHairy, as read in this thread: [url]http://www.worldofspectrum.org/forums/showthread.php?p=615097#post615097[/url] has found this game, which is no…

    Hairy, as read in this thread:

    [url] ... this game, which is not in WoS yet.
    The thing ...
    Ivanzx Ivanzx April 2012 Infoseek database
  • RCA distributor of the Activision games in France?As you can read in the right page, at the bottom left corner: [url]http://download.abandonware.org/magazines/Tilt/tilt_numero017/TILT%20-%20n%B017%2…

    As you can read in the right page, at the ... seeing which Activision games appear in the magazine to flagged them ...
    Ivanzx Ivanzx May 2012 Infoseek database
  • PAC+54 distributor of Mastertronic games in FranceAs it can read in the right page, lower part: [url]http://download.abandonware.org/magazines/Tilt/tilt_numero017/TILT%20-%20n%B017%20-%20decembre%20…

    As it can read in the right page, lower part:< ... guess all the games appearing in the picture could be tagged ...
    Ivanzx Ivanzx May 2012 Infoseek database
  • Some errors in Polish games[b]Boks ([url]http://www.worldofspectrum.org/infoseekid.cgi?id=0023682[/url])[/b] Names of two developers are Jacek Kucharski and Marek Trojanowicz …

    ... author confirmed this in an interview, which can be read in the Polish ... original vinyl record was released in 1986 as well ([url]http ...
    JudgeDeadd JudgeDeadd July 2012 Infoseek database
  • Darts wrong info displayed in the entry[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0024944[/url] Number of players is up to 4 and the game works in 16k, as it can read in the ma…

    ... the game works in 16k, as it can read in the magazine review ...
    Ivanzx Ivanzx November 2012 Infoseek database
  • Hardware description - BETA DISK interfaceExist more versions and clones of BETA DISK interface. Beta disk 48, beta disk 128, brasilian clones of beta disk 48, russian clones of beta disk 128…

    ... [CODE]
    ADRESS WRITE READ
    #1F(31) command status
    # ... ]

    Ports addressing in BETA128 clones can be different ... /> Here is addressing in original BETA DISK 128:< ... It's full source code in ASM format. Archive contain ...
    velesoft velesoft August 2013 Hardware
  • Quick fix for four joysticksHere's a quick modification to add four joysticks to any Speccy. This assumes you already have two Sinclair ports. [URL="http://joefish.co.uk/specc…

    ... , or scratch a break in the circuit track). Then ... now responds to IN 55 instead of IN 31 (or any ... interfaces. You can now read the two ports separately, ... ]10 PRINT AT 0,0;"IN 31 = ";IN 31;" "
    20 PRINT ... AT 2,0;"IN 55 = ";IN 55;" "
    30 ...
    joefish joefish October 2013 Hardware
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    ... people really are interested in either of the following ... br /> [B]1. A plug-in graphics card[/B], like [I ... -map itself to skim-read from an alternative address, ... interface[/B] that supports IN-31 and IN-55, for adding ... is there the demand in the community? I'm ...
    joefish joefish April 2014 Hardware
  • SEGA GENESIS joypad from Ebay[IMG]http://velesoft.speccy.cz/zx/joypad/IMGP9641.JPG[/IMG] On Ebay is possible buy very cheap chinesse joypad compatible with Sega Genesis / Sega M…

    ... htm[/URL]

    After read port #1F return kempston joystick ... joypad at low level and read state of all 8 buttons ... bytes readable from joypad:
    IN 31 = 0,0,button C,button ... up,down,1,1
    IN 31 = 0,0,button C, ... 1,1,1,1
    IN 31 = 0,0,button C, ...
    velesoft velesoft June 2014 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 …

    ... worked - with the IN 31 function. As I never ... br /> LET x=x+(IN 31=*value1*)-(IN 31=*value2*) where *value1* ... Fuller joystick is read by an IN 127 function ... Kempston would be with IN 31 or have I ... does putting "timedata joystick" in quotes and getting one hit ...
    The Mighty Dopethrone The Mighty Dopethrone November 2016 Hardware
  • Hook CodesIf you've dug into the Interface 1 this should be an easy question. I last had 'em circa 1990 while I can remember the things they did Start Motor C…

    ... 25 READ_NP 1A09 1EFD 1EFF read in the next PRINT buffer.
    read in a PRINT buffer.
    ... a Network packet.
    31 NEWVARS 19A8 1E98 1E9A create ... /> 33 SCAN_M ---- 1FE4 1FE6 read the next cartridge header.
    Geoff Geoff February 2001 Sinclair Miscellaneous
  • What is a Kempston joystick?Just a quick question from an ignorant Commodore user (what, a Commodore user on this sacred ground? Relax, I'm a fan of all 8-bits, including the wo…

    ... you could read the tapeinput (IN 251) or the keyboard (IN 254, in combination ... the keyboard the spectrum will read IN A,(254).

    If ... to 39 (0x0027) at all. 31 (0x001f) was traditional.

    Philip Kendall Philip Kendall September 2002 Sinclair Miscellaneous
  • What is a Kempston joystick?Just a quick question from an ignorant Commodore user (what, a Commodore user on this sacred ground? Relax, I'm a fan of all 8-bits, including the wo…

    I thought that reading the Kempston joystick was via IN 31... oh well, maybe I should re-read my Speccy mags again.
    MatGubbins MatGubbins September 2002 Sinclair Miscellaneous
  • spectrum and amstrad imagesare the spectrum +3 and amstrad spectrum +3 files the same and will the amstrad versions work on a spectrum emu?

    ... On 2004-02-16 11:31, Philip Kendall wrote:
    ... don't post anymore, just read the FAQs ! :)[/quote]
    read in a FAQ? are you ... of you are happy to read.

    =============================================

    Sadako Sadako February 2004 Emulators
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... thus joysticks can be read with IN 61438 and IN 63486, respectively.
    read in port 31: IN 31 which give you a number ... , making it possible to read UDG as characters. You ... your UDG and you can read them in a SCREEN$. [Dr. ...
    na_th_an na_th_an April 2005 Development
<1234567…34>

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