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<1234567…34>
  • Maya - .z80 snapshot = original release?[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0016713[/url] The loading screen raised a red flag, so I checked the BASIC listing and found t…

    ... />
    The loading screen raised a red flag, so I checked ... /> save "kod" code 40760,24400
    save "udg" code usr "a",168

    a loading screen, and that the ... in the archive is just a .z80 snapshot?
    zxbruno zxbruno May 2009 MIA/STP/SDP
  • 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…

    ... at the top of your code.
    * If you ... the screen then use a different color than the ... POKE 23608,255 gives a very long buzz which immobilises ... is indicated by its code being stored in 23560 ... when using ROM routines in a machine code program.

    ...
    na_th_an na_th_an April 2005 Development
  • Extended Microdrive FormatterHello all, After a few months on a steep learning curve, some heavy duty reading and plenty of trial and error I?ve written an extended microdrive f…

    [QUOTE=Crisis]
    ... USR "A"-Codelength-1
    [/QUOTE]
    ... first, or loading the code will overwrite the stack and ... br />
    CLEAR USR"A"-CodeSize-1:LOAD ... CODE USR"A"-CodeSize-1
    < ... finding the address of the code. The Spectrum always enters ...
    Jonathan Harston Jonathan Harston July 2006 Development
  • SpecmanWhen looking through WOS database I came across this title: Specman [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0010659[/url] This title …

    You can manually fix this by BREAKing in and running

    LOAD "" CODE USR "a"
    mjwilson mjwilson May 2009 Infoseek database
  • z80 program to BASIN?I have a BASIC program with UDG:s loaded in a z80 snapshot file. I would like to edit the program with Basin, but I wonder what must be done before…

    ... UDG:s with SAVE "udg" CODE something,something ... ?

    ... then BREAK.

    Insert a fresh tape image. Or create ... Then SAVE "BASIC": SAVE "UDGS" CODE USR"A",168

    Then eject ... (if necessary) and then LOAD ""CODE.

    That's ...
    Dunny Dunny September 2009 Sinclair Basic
  • z80 program to BASIN?I have a BASIC program with UDG:s loaded in a z80 snapshot file. I would like to edit the program with Basin, but I wonder what must be done before…

    ... your program and UDG code block there. The helpfile ... You can use a LOAD "myUDGs" CODE in your prog ... saved using SAVE "myUDGS" code USR "A", 8*21 - they will ... . The LOAD "myUDGS" CODE statement in your program will ... your UDGs highlighted as a data block. Click the ...
    Dunny Dunny September 2009 Sinclair Basic
  • Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.

    ... doing all this switching in code etc. anyway?[/QUOTE]

    CODE

    That will load ... the UDGs, then LOAD "bin" CODE USR "A" will do. Otherwise, use the ... /> We'll get to making a .TAP file later :-)

    Dunny Dunny January 2011 Sinclair Basic
  • Platformer BAS file?Does anyone have an example of a platformer in BASIC? Specifically one that uses drawn sprites, etc.

    ... then do LOAD "mybinfile.bin" CODE

    That ... UDGs, then LOAD "bin" CODE USR "A" will do. Otherwise, use ... We'll get to making a .TAP file later :-)
    CODE [insert address where letters A through U ... and if i always used A through U?

    olaf olaf January 2011 Sinclair Basic
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... : BASIC and machine code programming" has arrived. A fascinating tomb from 1982 ... and then using that on a LOAD statement.

    This ... />
    LOAD "..." CODE USR "A"

    where "A" is the A UDG.

    Paddy Coleman Paddy Coleman June 2011 Sinclair Basic
  • Couple of basic BASIC questionsPlaying around with BASin again in an effort to knock up a game and am wondering 2 things 1) Why when I run the program do my UDGs not always pick u…

    ... parcel up the listing as a .tap or whatever it is ... [code]SAVE "UDGs" CODE USR A,168[/code]. Add the line [code]10 LOAD "UDGs" CODE USR A[/code] to ...
    chev chev September 2013 Sinclair Basic
  • Couple of basic BASIC questionsPlaying around with BASin again in an effort to knock up a game and am wondering 2 things 1) Why when I run the program do my UDGs not always pick u…

    ... [code]SAVE "UDGs" CODE USR A,168[/code]. Add the line [code]10 LOAD "UDGs" CODE USR A[/code] to ... 't forget the quotes
    [code]10 LOAD "UDGs" CODE USR "A"[/code]
    Dr BEEP Dr BEEP September 2013 Sinclair Basic
  • Couple of basic BASIC questionsPlaying around with BASin again in an effort to knock up a game and am wondering 2 things 1) Why when I run the program do my UDGs not always pick u…

    [QUOTE=Dr BEEP;722351]I need to quote that you mustn't forget the quotes
    [code]10 LOAD "UDGs" CODE USR "A"[/code][/QUOTE]

    Good point. I haven't used traditional UDGs in a long time. I prefer 8-bit character sets in SE Basic.
    chev chev September 2013 Sinclair Basic
  • How to program Machine Code on a PC, and then run it on a speccy?Well, I've been looking into MC a bit more deeply recently - I reckon I could get my head round MC now. Back when I was a teenager, I couldn't see th…

    ... ve been looking into MC a bit more deeply recently - ... screen! Now I understand a bit more about registers, ... However, it's a bit cumbersome to actually code it on the ... for PC that could create a Speccy prog? What's ... post copied here from a thread in the games ...
    jonrach73 jonrach73 March 2004 Development
  • How can I view code from a game?Hi All, I had a Spectrum years ago and it is what started my love for playing games. I have recently been playing some of the old games I used to pl…

    ... how they structure the code and how they did ... interested in copying the code straight from the original ... there anyway of extracting the code from the .tzx or ... game into and lists the code?

    With ... a basic programme as I don't understand machine code, ...
    euronymous euronymous August 2007 Sinclair Miscellaneous
  • help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…

    ... have started to code my first machine code program, a simple roadrace game ... in 40 Best Machine Code Routines for the ZX ... RANDOMIZE USR 32000

    and this is the assmebly code ( ... /> endroutine
    ret
    [/code]Your help is much appreciated ...
    bigjon bigjon February 2008 Development
  • Full ASM code or a mixed solution ?Ok another important question. Building a program in asm, is it interesting that all the program is done in asm or always is interesting for some r…

    ... important question.

    Building a program in asm, is it ... be used into our asm code.
    or
    define the ... gdu into the asm code and only have the C ...
    arfgh arfgh June 2010 Sinclair Basic
  • A tidy loader for minigamesThe minigame competition doesn't permit the use of separate loaders like [code]10 LOAD "": RAND USR 32768[/code] The loader must be included in the b…

    ... ]RAND USR[/b] statement.

    Here's a better loader:
    [code ... ]2328 PRINT USR a[/code]

    It uses two variables: a string ...
    ajmoss ajmoss June 2010 Development
  • Can anyone see a way to speed up the following line of code?Hi Folks, Been looking at bottle necks in my code using BASin's Profiler and the following line (well the 2nd LET statement) is somewhat slow. [COD…

    ... /> [CODE]100 LET h=INT (CODE z$(a,4)/16)
    LET a$=(("D ... $(a,o)=CHR$ 10)+STR$ ((CODE z$(a,4)-h*16)*65536+CODE z$(a ... ,6)*256+CODE z$(a,5)))[/CODE ... ]

    Does anyone see a ...
    Paddy Coleman Paddy Coleman July 2011 Sinclair Basic
  • need a new method for m/c parameter assignmentI've been using a variable length function of the form: "FN a$(a$,a[,b...,z])=STR$ USR md" to search a data table and return a string result. By putt…

    ... form:
    "FN a$(a$,a[,b...,z])=STR$ USR md"
    to search ... up things by using "PRINT USR a$,a[,b...,z];" method and taking ... do something like "STR$ USR md,a$,a[,b...,z]", which wouldn't ... the slow sections in the code.
    Battle Bunny Battle Bunny September 2012 Development
  • 128 BASIC-compatible way of loading BASIC as code?On a 48K Speccy (or from 48 BASIC or USR 0 mode on a 128K machine), one can do a silly trick like this: [code];; load a 4000 byte BASIC program ld i…

    ... or USR 0 mode on a 128K machine), one can do a silly ... like this:

    [code];; load a 4000 byte BASIC program
    a total crash. Loading BASIC as code from the ... 's the return from machine code that doesn't.

    stephenw32768 stephenw32768 September 2013 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…

    ... in machine code.



    [b]A) Drawing a scrolling screen ... ,201
    100 LET t=USR 60000
    300 PRINT AT ... doing the more popular "RANDOMIZE USR 60000" because we actually use ... =0
    100 LET t=USR 60000
    200 PRINT AT ...
    Timmy Timmy September 2020 Development
  • Best way to codeHi, I've been using Zeus Assembler to code MC programs so far. Nothing fancy just the odd scroll left or animation stuff. Wot I'd like to know is, …

    ... been using Zeus Assembler to code MC programs so far. Nothing ... to know is, is a compiler better to code? If so which ... is the best one? I heard a ... is the best one to code for a beginner? Can I create ...
    Arjun Arjun August 2001 Sinclair Miscellaneous
  • Playing AY files on a real Spectrum?Hi all! I wonder if there's any program out there that can playback AY files on a real Spectrum? E.g., something that takes the AY file on a PC, ad…

    ... can playback AY files on a real Spectrum? E.g., something ... the AY file on a PC, adds a little player program and ... outputs, say, a TAP file for loading into ... should be fairly easy* to code such a program?

    Just ...
    trellis trellis April 2003 Sinclair Miscellaneous
  • Mysterious bit of codeHi everyone, I found the follow piece of code in a game and was wondering what it does. ld bc,40ffh ld e,40h loop ld a,r …

    ... found the follow piece of code in a game and was wondering ... ,40h
    loop ld a,r
    in a,(c)
    cp ... ages, and then returns.
    A delay of some kind, I ...
    dmsmith dmsmith August 2004 Sinclair Miscellaneous
  • In need of a Poke (ooer!)Back in my very basic Basic days, machine code was a scary thing. I think I advanced as far as 'LD HA' (or something!) before giving up. However, so…

    ... very basic Basic days, machine code was a scary thing. I think ... did something or other to a game.

    At the ... 33 I can only remember a couple:

    23659,0 ... which caused a speccy to crash when someone ...
    Tobo Tobo August 2004 Sinclair Miscellaneous
  • Old Source CodeWhilst searching through some old boxes today I came across some printouts of some old m/c programs I did back in the 80's. I obviously couldn't code…

    ... 's. I obviously couldn't code games cos they're all ... a Sprite Designer, a Sprite Search, a Character and UDG Designer, a Disc Editor, a ... now to type all the code into a text editor and assemble ... still got their old source code?
    rich_chandler rich_chandler January 2006 Development
  • Amazing Short Type-InsHey all ! Been having some pretty stressfull days lately so I tought I would type in some games. There was a very nice type-in book here in Slovenia…

    ... some games. There was a very nice type-in book ... it is ;)

    [code]
    10 DATA 60,126 ... 7: READ t: POKE USR "a"+f,t: NEXT f
    a$=""
    50 FOR f= ... 10 TO 19: LET a$=a$+"10"+STR$ f: PRINT ... INK 0;AT 10,f;"\a": NEXT f
    60 ...
    Tom-Cat Tom-Cat March 2006 Games
  • Recommended Guestbook codeAfter suffering at the hands of Bl***y spammers for a month or two, it's time to replace the Guestbook on my Bird Sanctuary site. So, any recommendat…

    ... of Bl***y spammers for a month or two, it's ... measure (like entering a 5 character code from a graphic before you can ...
    Rainbird Rich Rainbird Rich April 2006 Chit chat
<1234567…34>

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