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<1…567891011…34>
  • Rotating Register PairsWhat's the best way to rotate left (or right) a register pair, so that (eg.) FE76 becomes E76F (or 6FE7)? I presume that passing the intermediate bit…

    ... ; *OPIMIZATION CAN BE MADE IF THE ARRAY POINTER IS NOT ... exceeds 12 BITS (0..4095)
    or a,e ; ... br />

    array defb 0,0,0


    ; ... read12bit_high routine. Fixed!!! now it works.
    ...
    ASM ASM October 2010 Development
  • General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …

    ... REM *---------------------*
    260 PRINT #0; PAPER blu; INK whi;" ... br /> 9080 REM 1.0: 26-Jul-2010 - Initial ... CODE INKEY$:
    IF I(6)=0 THEN
    GO ... TO 9145
    9150 IF ... character
    9195 IF I(4)96 AND I ...
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • Spectrum games that *should* existRight, I'm bored (or "working hard" if any of my bosses walk past) so to kill the time, I've decided to become a games designer. Or post crap about s…

    ... anything other than one or more versions of Windows ... career (if you can call it that) further (or rather, ... mainly covering for people or taken on to cover ... I could do in my sleep now, once you've learnt ... used, and how competant (or otherwise) the users are. ...
    ewgf ewgf November 2010 New game ideas
  • Just a quick SpecBAS heads up......build 301 is up on the SpecBAS forum, and now includes sound support so you can finally start writing games with it. Still sprites and other sund…

    Now it worked and I manage ... , but when i type "run" (or just after autostart), SpecBAS hangs ... have to delete autoload file if i want to start it ... persist..
    Even if i get message OK,0:1 for succesfull ...
    Pegaz Pegaz November 2010 Sinclair Miscellaneous
  • Just a quick SpecBAS heads up......build 301 is up on the SpecBAS forum, and now includes sound support so you can finally start writing games with it. Still sprites and other sund…

    [QUOTE=Pegaz;493884]Now it worked and I manage ... , but when i type "run" (or just after autostart), SpecBAS hangs ... have to delete autoload file if i want to start it ... persist..
    Even if i get message OK,0:1 for succesfull ...
    Dunny Dunny November 2010 Sinclair Miscellaneous
  • Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…

    I'm about if anyone needs any help regarding ... first oprand for SUB, AND, XOR, OR, CP but not ADD, ADC ... exception with CP A,0 requiring CP 0

    BTW - When ...
    ASM ASM November 2010 Development
  • Reckless romeoLook at this chap,he must be the son of pat mustard from father ted :lol: [url]http://www.dailymail.co.uk/femail/article-1208825/Father-7-children-7…

    ... for a few weeks or months. No getting home ... day playing games, or watching TV, or go to the pub ... now...

    And you don't always get to sleep ... sleep!

    There are still freezing walks, and if ... a free bus pass or anything! And the employment ...
    deadpan666 deadpan666 January 2011 Chit chat
  • Spectrum 48k's and +2a for saleHaven't got round to taking snaps yet, (but I will) or putting them on ebay, that's happening Sunday but I've basically got about 7 48k rubber key Sp…

    ... disputed in ebay right now, guy with a 0 rating bid, won ... and then since it ended hasnt paid or ... you know when ones ready if you want

    Bloody ...
    Macc Macc February 2011 Sales
  • Converting a decimal number to binary...Hi Folks, Been thinking about ways to convert a decimal number to 8 bit binary and came up with the following: [CODE]100 REM ----------------------…

    ... 't realize that. Up to now, I thought that BIN was ... to see if any and every digit after BIN is 0 or 1 ... expression
    ; beginning with BIN, '.' or a digit.
    ; Note that ... BIN need not have any '0's or '1's after it ...
    mcleod_ideafix mcleod_ideafix February 2011 Sinclair Basic
  • Compiling Basic to MCHello, I have a lot of long Basic programs. These are mostly strategy programs, good but slow. I was thinking about how to speed them up without com…

    ... AS INTEGER
    10 BORDER 0: PAPER 0: INK 7: CLS: REM ...
    20 LET x1 = 0: LET y1 = 0: REM line start
    Notice the "End IF". This is because IF now allows multiline sentences, which ... lead to serious ambiguity if no END IF (or other terminator) is used ...
    boriel boriel February 2011 Development
  • ZX Spectrum +3 Query...Hi all, As common, I brought down my Spectrum from the attic the other day to have another stab at getting it running. I knew from the past it was a…

    ... .. quick analysis - I now own a second faulty PSU ... the two pins and if that's not present ... on, the voltmeter read 0.5V across the header pins ... the FDD completely - Still 0.5V across the header pins ... guesser;520753]If you monitor the sound output jack or the ...
    Crimbo Crimbo March 2011 Hardware
  • 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…

    ... http://212.85.182.24/y/yeah_0.0.1.tar.gz"]http ... v 1.0.0 codenamed retro. and v 2.0.0 codenamed v-ger ... should press 1, 2 or 3 to boot from microdrive ... , rs232 or rom in retro. this ... never know if an error emanated from new module or from ...
    tstih tstih April 2011 Development
  • Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…

    ... be used as destination or source (or both; or neither, if copying directly between ... $="-")+"$"
    +CHR$ 14+CHR$ 0+CHR$ FN l(a)+CHR ... S$=B$: POKE defadd,0: POKE defadd+1,0: RETURN :
    REM ... STOP
    [/code]

    Now I need someone to come ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…

    ... 8, to set up a 24 colour background. This leaves you ... ,60
    100 REM set 24 PAPER colours
    110 FOR ... 4*i
    130 PALETTE 24+i, 2+32*i
    210 PRINT #0;AT 0,0; PEN 0; PAPER 6; FLASH 1 ... /> 250 IF x=0 THEN LET xd=1
    260 IF y=0 THEN ...
    chev chev April 2011 Sinclair Basic
  • 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…

    ... /> rra ; 4t - rotate so now 00x00000
    or e ; 4t - combine with ... /> rra ; 4t - rotate so now 0000x000
    or e ; 4t - combine with ... now 00000001
    and c ; 4t - create bit 0 0000000x
    or e ... /> jr c,_PLOT2CHR_S1 ; 12/7t - if no carry then not moved ...
    kgmcneil kgmcneil April 2011 Development
  • Move objectHi again, I am using paper colors to represent game objects. I have a "paddle" that is 4 pixels wide. I save its position as a 2 byte word in memory…

    ... to check for would be 0 and 28 respectively (for a ... you can change cp 0 to xor a if you want.[/QUOTE]
    OR A" or "AND A" over "XOR A", as XOR can change A and if ... not the same as CP 0.. XOR A will set zero flag ...
    ub880d ub880d June 2011 Development
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... display_screen() routine? All I see now is black screen and cursor ... . Right now, for the sake of ... or non-maskable etc.
    [/quote]

    Forget NMI for now ... bright colour values). If bit is not set (0) set the equivalent ...
    Arjun Arjun June 2011 Emulators
  • Timex Floppy Disk Drive emulation discussionI feel embarrassed for starting this topic because I can't contribute with actual code, but this is a new attempt to simplify and present what the Ti…

    ... byte sectors per track numbered 0-15. There's a software ... read them in the order 0,7,14,5,12,3 ... /> Now I can't remember if TOS thinks there are 80 tracks or ... 160 tracks.
    If it is 160 ... tracks then tracks 0,2,4 ...
    Encarnado Encarnado July 2011 Emulators
  • New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…

    ... progress being made, but for now I'm agonizing over some ... the player if they're on the same X or Y coord ... on the X axis and 24 pixels on the Y axis ... it's moving. :-(

    Now, how the [I]beep [/I ... m drawing a blank.. ;)
    ...or should I just limit the ...
    Sokurah Sokurah August 2011 Development
  • Crazy Library failure in z88dkHello there my fellow WoS'ers yet another late night problem for the wee small hours I recently managed to get file-handling working very well, t…

    ... a fopen/fclose call? or atleast offering it a value ...
    print_at(1, 1, 6, 0, "Now Loading Data, Please Wait");
    }
    if(ch > 127 )
    {
    Zetr0 Zetr0 August 2011 Development
  • Is it bedtime yet?Damn, it's 5:46am and I still can't sleep! Do many of you have the same problem and how do you solve it?? I've tried watching soaps... I've tried w…

    ... I find if I nod off in the pm or early evening ... ' still on at that hour..? Or 'Get stuffed'? :-P
    ... They've taken it off now, it's mostly Jeremy Vile ... you want to go to sleep, is supposed to help.[/ ... as you get older = less sleep anyway.. esp. those of you ...
    polomint polomint September 2011 Chit chat
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... a simple 48k emulation right now. But believe me, that will ... . Then +3 emulation. And then, if you add code to all ...
    Dunny Dunny September 2011 Emulators
  • New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…

    ... read...
    ld bc,0
    xor a
    in a ... left right)
    ; bit 0 = 1 if right is pressed
    ; ... bits sets if checking keys (see below)
    ; or BC holds ... the address of the keyports/patterns array if it ...
    polomint polomint October 2011 Development
  • Super Stick ManBeen thinking about doing a weird platformer for a while now, but since I have zero programming knowledge, and a modicum of drawing skills, I thought…

    ... of the game now.

    [CODE]::: PLAYER (TYPE 0) CONTROL
    ENDIF
    IF KEY 0 ::: MOVE RIGHT
    IF CANGOLEFT
    LET ...
    ENDIF
    IF LADDERBELOW ::: IF NOT ON GRAVILIFT OR FLOOR, FALL
    TechnicianSi TechnicianSi November 2011 New game ideas
  • z88dk stdio fopenI'm trying to write a fcntl library, based on the p3.lib one. Looking at fopen(), it calls freopen_z88() which turns the mode string into mode and f…

    ... the ones we are using now. For me that is ... including things like file locks or whatever). 'X' means don ... 0 X 0 1 create if nec, do not truncate
    1 0 0 ... a file should be truncated or not. There is a ...
    Alcoholics Anonymous Alcoholics Anonymous November 2011 Development
  • Create a new microdrive cartridge image formatHi there, I'm working to emulate the IF1+Microdrives in JSpeccy.I've found what the "classic" MDR format ins't capable to store all the required inf…

    ... We have now an array of 792 * 180 (or whatever number ... as a small effort (if any, because is a ... LENGTH (1 BYTE) [would be 0]
    * CREATOR FIELD (CREATOR ... LENGTH (1 BYTE) [would be 0]
    * COMMENTS FIELD (COMMENTS ... byte value where [b]0 is NO GAP[/b] ...
    zx81 zx81 December 2011 Emulators
  • RND CommandsExactly how random are they? Reason I ask is I'm using 4 of them to generate a random number, the value of which then assigns movement commands to f…

    ... are checking the random values 0-7, so that's not ... to true, because if k4 then it says . The 'OR 5' makes ... and try that....makes sense now I think about it :oops ... there [I]was [/I]an OR command...I just typed it ...
    Wookiee Wookiee January 2012 Sinclair Basic
  • Cheating games from FATWARE on DivIDEHere is patched versions of DivIDE system FATWARE 0.12(a)_POKE: [url]http://velesoft.speccy.cz/zx/divide/systems/fatware/fatware_012_(2012-01-02)_fo…

    ... br /> Bytes: inst
    Bytes:0
    Bytes:1
    Bytes ... /> But if you can make runable file SNA or something to ... /> -Bytes: inst
    -Bytes:0
    -Bytes:1
    - ... U]All TAP files are now fixed: first is basic, ... code, and blocks 0 to 3. Also add ...
    velesoft velesoft February 2012 Development
  • SpecBAS 0.743 Now available!Hey Guys - SpecBAS has been updated again. A shedload of bugs have been fixed, and a couple of "just for fun" commands have been added! You all sa…

    ... now, so won't be able to test it, but wondered if ... this is version 0.743, or 0.742?... The latter ... for that version, but the 0.743 version is available for ...
    kgmcneil kgmcneil April 2012 Sinclair Miscellaneous
<1…567891011…34>

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