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<1…16171819202122…34>
  • Help! Reverse engineering a Spectrum game[deleted]

    ... interrupt routines, that is; to control a process that executes at ... ]

    05 - Character and string printing routines
    [B]Useful ... ]

    08 - Number to string converting routines
    [B]What ...
    Ralf Ralf October 2010 Development
  • INSTR function...Hi Folks, Another little program that people might find useful: [CODE]100 DIM i(4) 110 LET a$="This is some sample text" 120 LET b$="text" 130 GO S…

    ... !"
    120 LET i$(1)=CHR$ LEN a$+a$
    130 ... "
    140 LET i$(2)=CHR$ LEN a$+a$
    150 ...
    9010 REM i$(1)=String to Search
    9020 REM ... i$(2)=Search String
    9030 REM i(1 ...
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …

    ... bitmap, just word sized character codes+flags for palette selection, X ... add the new character map codes to the top/bottom/left ... of RAM is available to control the powerful Yamaha YM 2612 ...
    ASM ASM October 2010 Sinclair Miscellaneous
  • Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve

    ... the listing using embedded colour codes and poking all the line ... 4E4: PRINT F;"..."; PEEK F, CHR$ PEEK F AND PEEK F ...
    Dr BEEP Dr BEEP November 2010 Sinclair Basic
  • Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve

    ... rid of colour codes and other protections before giving control back to ...
    zxbruno zxbruno November 2010 Sinclair Basic
  • It's snowing!Yes I know all you northerners have had snow for a week but down here in London it's a very rare thing!

    ... concise information about the error codes, etc, and that I have ... cross the hatch to the control panel, so he has to ...
    thx1138 thx1138 December 2010 Chit chat
  • It's snowing!Yes I know all you northerners have had snow for a week but down here in London it's a very rare thing!

    ... concise information about the error codes, etc, and that I have ... cross the hatch to the control panel, so he has to ...
    Morkin Morkin December 2010 Chit chat
  • Z88DK/SP1 library u_malloc() questionHi All, It may possibly be more appropriate for me to post this on the Z88DK forum, but I know quite a few WoSSers have used Z88DK, so here goes:- …

    ... made from 2-byte tile codes to 1-byte. This ... program could only print character codes as background graphics rather than ... allowing both character codes and absolute memory addresses. I ... is usually out of my control anyway (where Mister Beep does ...
    Timmy Timmy December 2010 Development
  • Spanner seeks helpHello, and HNY, all. I am presently writing a game in BASIC. It's a bit - a lot - crap, but I'm enjoying it! Anyway, a couple of questions, if you …

    ... $ : REM ANY INPUT IN A STRING
    20 FOR F = 1 ...
    Dr BEEP Dr BEEP January 2011 Sinclair Basic
  • Spanner seeks helpHello, and HNY, all. I am presently writing a game in BASIC. It's a bit - a lot - crap, but I'm enjoying it! Anyway, a couple of questions, if you …

    ... $ : REM ANY INPUT IN A STRING
    20 FOR F = 1 ...
    Paddy Coleman Paddy Coleman January 2011 Sinclair Basic
  • Skooldaze TooDear WoSsers, Thanks to Skoolkid's disassembly I'm attempting to write a new "improved" version called [B]Skooldaze Too[/B]. As part of the improvem…

    ... blackboard, you could enter cheat codes (instead of your cheaT key ... 0
    DO:
    Read chr$ until you hit space, treat ... this collection of chr$ as a Word$
    < ...
    Call CheatRoutine;; Insert cheat codes, or hogworts spells 'ere...
    kgmcneil kgmcneil January 2011 Development
  • Skooldaze TooDear WoSsers, Thanks to Skoolkid's disassembly I'm attempting to write a new "improved" version called [B]Skooldaze Too[/B]. As part of the improvem…

    ... ability to change who you control. All of this has to ... opening and 'teacher giving out codes' routines worked. There's another ...
    Jimmy Jimmy January 2011 Development
  • SpecBAS: Request for comment - SpritesHi all - Having been slaving away at the new SpecBAS release, I've decided to finally bite the bullet and implement a sprite engine. I've got a nice…

    ... for which will be a string of bytes (width*height in ... make it more difficult to control.
    [/quote]

    I ... part of your main program control.
    [/quote]

    Ok ...
    Dunny Dunny January 2011 Sinclair Miscellaneous
  • SpecBAS: Request for comment - SpritesHi all - Having been slaving away at the new SpecBAS release, I've decided to finally bite the bullet and implement a sprite engine. I've got a nice…

    ... in a string for controlling, animating or passing user control to a ...
    kgmcneil kgmcneil January 2011 Sinclair Miscellaneous
  • +2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …

    ... IY+$01 Various flags to control the BASIC system:
    ; Bit ... 6: 1=Numeric variable, 0=String variable.
    ; Bit 7: 1 ...
    jp jp January 2011 Games
  • 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…

    ... handler just has to transfer control to an external hook which ... -
    ;; 1) mapping of scan codes to zx ascii code
    ;; special character codes are
    ;; 0x01 - caps shift ...
    tstih tstih March 2011 Development
  • Fighting Fantasy games on Kindlehmmm it could tempt me into buying a kindle. [url]http://www.fightingfantasy.com/index.php?option=com_content&view=article&id=1853&Itemid=2[/url]

    ...
    [*]Battery: 1600MAh
    [*]Multimedia codes: (supports)
    [list]
    [*]MP3 ... file prc (kindle files), htm, chr files to name but a ...
    Zetr0 Zetr0 March 2011 Chit chat
  • Fighting Fantasy games on Kindlehmmm it could tempt me into buying a kindle. [url]http://www.fightingfantasy.com/index.php?option=com_content&view=article&id=1853&Itemid=2[/url]

    ...
    [*]Battery: 1600MAh
    [*]Multimedia codes: (supports)
    [list]
    [*]MP3 ... file prc (kindle files), htm, chr files to name but a ...
    Rebelstar without a cause Rebelstar without a cause March 2011 Chit chat
  • I cant get this listing to run!Ive read this through so many times my eyes are misting up! [url]ftp://ftp.worldofspectrum.org/pub/sinclair/magazines/DUC/Issue08/Pages/DUC0800039.jp…

    ... entered as "LET size=VAL (CHR$ 196+b$(1 TO 2 ... to be "LET size=VAL (CHR$ 196+b$(1 TO 2 ... convert the token into the string 'BIN '.

    Try doing ...
    chev chev April 2011 Sinclair Basic
  • 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…

    ... the destination & source string names are in the next ... devise some other method.) Any string names (apart from m$, ... for up to two (optional) string variable definitions (destination & source ... br /> +CHR$ 14+CHR$ 0+CHR$ FN l(a)+CHR$ FN h(a)+CHR$ FN ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • 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…

    ... of FN m$() which handles string slicing in both destination & ... ,b,l,m,o)
    =CHR$ (65+o+((CODE a$-1 ... $
    +CHR$ (a-256*b)+CHR$ b+CHR$ (l-256*m)+CHR$ m
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…

    ... /* Standard library */
    #include /* String function definitions */
    #include /* UNIX ... definitions */
    #include /* File control definitions */
    #include /* Error ... br /> #include /* POSIX terminal control definitions */

    int ...
    tstih tstih May 2011 Development
  • Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…

    ... /* Standard library */
    #include /* String function definitions */
    #include /* UNIX ... definitions */
    #include /* File control definitions */
    #include /* Error ... br /> #include /* POSIX terminal control definitions */

    int ...
    tstih tstih May 2011 Development
  • Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…

    ... the first character of a string.

    What do you ... start of a string. After dealing with an AT control, instead of ...
    Battle Bunny Battle Bunny May 2011 Sinclair Basic
  • Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …

    ... bit with the call 8252 string.

    Does this help ...
    ld de,string ; start of score text string
    ld bc ... ,12 ; length of string in bytes
    call 8252 ... codes before RST 16 or in the defbs of the string work ...
    R-Tape R-Tape June 2011 Development
  • numbers to binaryHi everyone, I have looked through the manual and have found nothing. How do you change a number to binary easily? I know you can go binary to decim…

    ... chr BIN shows, with the expected 11011011. But after that correct string ...
    Dr BEEP Dr BEEP June 2011 Sinclair Basic
  • 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…

    ... de, score_string ; start of score string

    ld bc, 12 ... ; length of string in bytes

    call ... /> ld a, 17 ; papper color control code

    RST 16 ... /> ld a, 16 ; ink color control code

    RST 16 ...
    ooze48k ooze48k July 2011 Development
<1…16171819202122…34>

Latest Posts

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  • Fixed Speccy Software. And which games remained unfixed?
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control 9.5K 11.7K
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