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<1234567…34>
  • Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…

    ... way to proceed is to CLEAR basic down to 32767, and put ... 0, and somehow replicate the basic CLEAR), how do i safely "exit ... " to the basic editor?

    General Questions ... to write a "full 48k" basic program?

    Whilst using ...
    rbsfou rbsfou January 2007 Development
  • Saving BASIC code as CODE... can't start programHi guys! I'm trying to create an adventure game for the Speccy in BASIC, called The Legend Of The Red Dragon. I'm using the excellent BASin to code…

    ... game for the Speccy in BASIC, called The Legend Of The ... have created a loader with CLEAR 29999 and RANDOMIZE USR 30000 ...
    pottyboy pottyboy May 2005 Sinclair Basic
  • CLEAR does not RESTORE the DATA pointer??According to the Spectrum manual, one of the things that a CLEAR command does RESTORE the DATA pointer. Either it doesn't actually do this, or some…

    ... of the things that a CLEAR command does RESTORE the ... :
    [CODE]
    10 CLEAR 32767
    20 READ a ... first command it sees is CLEAR 32767, which should do ... of Data" appears!

    BASIC bug, or error in manual ... 't restored by the CLEAR command.
    trellis trellis September 2006 Sinclair Basic
  • How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…

    ... routine which will
    clear the first 20 rows ... memory), which can
    clear the top third, two ... no quicker then the basic FOR F=0 TO ... />
    The 'thirds' clear method is as follows :
    clear appears to
    happen ...
    bobbyjaykid bobbyjaykid July 2007 Development
  • BASIC Keyword ReferenceRealised that the Sinclair Basic section would be a better place for discussion of BASIC keywords, so for reference the old thread is in [thread=2005…

    ... br />
    [CODE]
    SINCLAIR BASIC Keyword Reference

    The ... PAPER : E : SYM + C
    CLEAR : K : X PAUSE : K : M ... colours within strings in a BASIC listing.

    Break ...
    icabod icabod March 2008 Sinclair Basic
  • Changing BASIC loader in Chuckie Egg 2Hi, My aim is to include "PAUSE 0" event at the end of the loading of the Chuckie Egg 2 game. The reason is that I use emulator to load the game and…

    ... to actually edit the loading BASIC program somehow. I have found ... like this:

    0 CLEAR VAL "65520": POKE VAL "23624 ... Blockeditor.

    The second "BASIC" block at the end of ... like this:

    1 CLEAR 65535: LOAD "CE2" CODE: LOAD ...
    maiki maiki March 2008 Emulators
  • Looking for an extended BASIC graphics routine from mid- to late-80sHello all, This is my first post here so please go easy. This is basically a cut-and-paste job from comp.sys.sinclair where I've had no luck with an…

    ... ready for the Great Sinclair Clear Out.

    (I look ... I've discovered a small BASIC program that makes use of ... ' commands from a typed-in BASIC extender program. Alas the machine ... one I'm after. Most BASIC command additions used * or . before ...
    denali denali May 2008 Sinclair Basic
  • Jumping to BASIC after importing 23296,1703Sorry for the confusing title. :-D Now that I've learned how to stop a game from starting after loading (in Fuse and Specemu), I have a few more que…

    ... a small program, use clear 24999 and export a binary ... to safely "jump" to my BASIC program. :)

    I ... same as returning to BASIC after an USR command ... I'm using the old BASIC editor.

    " ... the subject of jumping to BASIC, I find it curious ...
    zxbruno zxbruno May 2009 Sinclair Miscellaneous
  • storing machine code in BASICApart from putting m/c above RAMTOP, which means that it has to be POKEd or LOADed separately after the BASIC program; or putting it in a REM, which …

    ... or LOADed separately after the BASIC program; or putting it in ... code between the end of BASIC and the beginning of VARS ... /> GO TO 9161
    9161 CLEAR :
    DIM a$(machine_code_length-5 ...
    Battle Bunny Battle Bunny August 2010 Sinclair Basic
  • HiSoft Basic +3 version and booksI have been summer cleaning and found a couple of old things that might interest some one: HiSoft Basic +3 version in original case with +3 disc and…

    ... some one:

    HiSoft Basic +3 version in original case ... but has been binded with clear plastic and is in fine ...
    JohnFante JohnFante July 2011 Sales
  • 128k RAM paging from BASICI'd always thought that OUT had to be used to page RAM, which from BASIC would be an "OUT 32765,ddd" command, although I don't know if just doing tha…

    ... to page RAM, which from BASIC would be an "OUT 32765 ... it says that doing a "CLEAR 49151" (ie. to just below ...
    Battle Bunny Battle Bunny August 2011 Sinclair Basic
  • saving part of a BASIC programHere's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to …

    ... to save part of a BASIC program. The idea is that ... *PEEK (a+1)
    9990 CLEAR : DIM h$(17): DIM c ...
    Battle Bunny Battle Bunny September 2011 Sinclair Basic
  • AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…

    ... the above mentioned operations from BASIC. Syntax is explained in the ... . The demo listing makes this clear.

    [code]
    EX1NUM ...
    Battle Bunny Battle Bunny October 2011 Sinclair Basic
  • storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…

    ... saved & loaded with the BASIC, as if it was in ... after the last line of BASIC, even though the m/c ... and doesn't need any BASIC to be typed other ... old CODE space
    9161 CLEAR : GO SUB 9164: INPUT " ... new CODE space
    9162 CLEAR : GO SUB 9164: INPUT ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • .tapein load crashes if no CLEAR performed first(!)Hi Guys, Can anyone explain the following as it has be stumped: I came across an unexpected crash today when loading in a 16K block of code at 8000…

    ... the following:
    [code] 10 CLEAR 32767
    20 LOAD "" CODE ... don't bother performing the CLEAR during development as I keep ... well clear of RAMTOP.

    ... return to BASIC (crash).

    If I do the CLEAR 32767 ...
    BloodBaz BloodBaz August 2012 Hardware
  • SE Basic IV 4.1 Buffy previewSE Basic IV 4.0 Anya was released back in December 2012. You can read about it here: [url]http://cheveron.github.io/sebasic4/[/url] But here's some …

    ... />
    * A fork of OpenSE BASIC.
    * Supplied with FUSE (> ... language closer to the Minimal BASIC 78 standard. It still ... of the characteristics of OpenSE BASIC.

    While Anya ... days of terminals, CONTROL would clear bits 6 and 7. However ...
    chev chev July 2013 Sinclair Basic
  • MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …

    ... =ACTION table#
    12 CLEAR 62999: LET ORG=FN p ... automatically call NOTRAP to restore BASIC:
    REM To ... ; MOVE_M moving object control for BASIC
    ; runs with interrupts ... ; exceptions are dealt with from BASIC
    ; object properties are ...
    Battle Bunny Battle Bunny September 2013 Sinclair Basic
  • Clear command in z80Hi, How would I replicate what the basic clear command does in z80? Do I need to change the stack pointer as well as setting ramtop (23730)? If I se…

    ... would I replicate what the basic clear command does in z80? Do ... basic in my code at that point instead and do a clear ...
    Speccy_James Speccy_James February 2014 Development
  • dumping protected BASIC loadersI wrote this a few weeks ago but forgot to post it. It will load & list from tape/TAP/TZX any BASIC program which has been saved with SAVE, including…

    ... primarily intended for dumping protected BASIC loaders, as was already hinted ... PEEK (a+1)
    3 CLEAR 30000-14-1: LET bytes ... bytes THEN PRINT "not a BASIC program header": STOP
    ... /> I've nearly finished the BASIC listing formatter, which in memory ...
    Battle Bunny Battle Bunny March 2014 Sinclair Basic
  • Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…

    ... year I started writing a BASIC program for making and recording ... could help me fix the BASIC program, I'd be very ... ]

    [b][u][u]BASIC listing:[/u][/u][/b]
    clear and draw
    2230 REM ...
    RetroPhase2014 RetroPhase2014 December 2015 Sinclair Basic
  • bin to tap with basicI have compiled some machine code to binary. How I can convert it to tap (or tzx, doesn't matter) with custom basic part? Of course, I can create …

    ... , doesn't matter) with custom basic part?

    Of course ... create separate tap with basic, and later save basic+code manually. But ... more automatic solution.
    Basic will contain clear, request from user to ...
    Bedazzle Bedazzle August 2016 Development
  • So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…

    ... ; hide the M/C from BASIC
    Call48 RST #28 ; ... a routine in the 48-BASIC environment
    DEFW #2DA2 ; ... calculator stack - all will become clear in a moment
    ... and here's a tiny BASIC program to poke it into ...
    The_Bert The_Bert September 2016 Sinclair Basic
  • Using BASIC from Machine CodeHi Folks, Came across a very interesting article by Toni Baker in Your Spectrum: http://www.users.globalnet.co.uk/~jg27paw4/yr11/yr11_66.htm …

    ... /> LD HL,TEXT
    CALL BASIC
    RST 8
    DEFB ... 255

    BASIC
    PUSH HL
    CALL ... :


    [code]100 CLEAR 61999
    110 PAUSE 0 ...
    Paddy Coleman Paddy Coleman August 2017 Development
  • How to write a simple BASIC* horizontal scrolling game (Tutorial) [b]How to write a simple BASIC* horizontal scrolling game[/b] In this tutorial, we will be talking about how to write a simple BASIC* horizont…

    ... how to write a simple BASIC* horizontal scrolling* game.

    I assume you can enter BASIC easily, for example using Basin ... .

    [code]
    10 CLEAR 59999: FOR a=60000 TO ... ]

    [code]
    10 CLEAR 59999: FOR a=60000 TO ...
    Timmy Timmy September 2020 Development
  • AY musicThis is a format I'm proposing for an AY music player. If anyone can see any problems or anywhere it can be improved please say so. An AY music form…

    ... music is intended. As the basic structure doesn't change it ... would be needed is to clear the variables and set the ...
    cyborg cyborg October 2001 Sinclair Miscellaneous
  • Spectrum keyboard layout?OK, this is probably a silly question, but here goes: Among all the wonderful resources on here, I have not been able to find something as simple as …

    ... something as simple as a clear and readable picture of the ... planning to code some ZX Basic in an emulator, y'see ...
    OleM OleM July 2001 Sinclair Miscellaneous
  • BASIC-code challengeFor the BASIC-coders among us. There is a number that has following aspects. divided by 16 remains 15 divided by 15 remains 14 divided by 14 remain…

    For the BASIC-coders among us.

    ... program below.
    The fastest BASIC-program wins.
    Timing will ...
    Dr BEEP Dr BEEP July 2002 Sinclair Miscellaneous
  • Laser BasicDid anyone else out there buy Laser Basic and Laser Compiler? I just noticed Laser Basic while I was looking thru a website, and it reminded me about…

    ... else out there buy Laser Basic and Laser Compiler?
    I ... just noticed Laser Basic while I was looking thru ... could write programs in Laser Basic, but if you wanted to ...
    Neil^P Neil^P July 2002 Games
  • A silly BASIC programming challenge for you all..This is a very, very sily idea. So only read if you are bored. I use E-bay a lot. (my user id is thx1138ebn) edit: it's now retro-technology :edit…

    ... message.

    So, what BASIC program can you write in ...
    thx1138 thx1138 July 2002 Sinclair Miscellaneous
  • BASIC code challengeWrite a program in BASIC as short as possible that will continue after KEY-RELEASED. The program must be fully relocatable (so it must be programmed …

    Write a program in BASIC as short as possible that ...
    Dr BEEP Dr BEEP August 2002 Sinclair Miscellaneous
<1234567…34>

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