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Search Again :: Adv Search 1000 results in 0.118s
<1234567…34>
  • How to return to basic properly from ASMI am messing around with a fast stack copying routine. But I am getting "A: Invalid argument" error when I later return to basic. I know you h…

    ... argument" error when I later return to basic.

    I know you ... the IY register before returning to basic but my code at the ... well as IY when returning to basic. I think one of the ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…

    ... code that requires a return to BASIC for a loooong ... registers need to be preserved / restored on return to BASIC after calling ... machine code? I recall that IX needs to ... I register?
    [*]Stack (to previous value).
    [*]IM ...
    icabod icabod July 2006 Development
  • Return to basic from sna created by Z80 compilerHow can I go back to basic when running sna created using Z80 Assembler ([url] http://www.worldofspectrum.org/utilities.html#crossass [/url])? For e…

    How can I go back to basic when running sna created using ... pressing "space" I am back to basic prompt.

    I tried ... to put "ret" at the beginning to prevent the code ...
    princm princm January 2015 Development
  • 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…

    ... won't be able to return to the game. No problem ... would allow me to safely "jump" to my BASIC program. :)
    to BASIC after an USR command ... 1703 bytes just to make BASIC work again? Doesn ... the subject of jumping to BASIC, I find it curious ...
    zxbruno zxbruno May 2009 Sinclair Miscellaneous
  • Restore HL' to?It is probably a simple question, but it's been escaping me for quite some time now. Is there an 'universal' value you should restore HL' to if your…

    ... ' to if your assembly code uses that [i]and[/i] is expected to return to BASIC ... HL' seems to hold whenever stuff gets called from BASIC. However, say ... . Although it would still seem to return to BASIC without errors.

    While ...
    Hikaru Hikaru May 2012 Development
  • Outputting debug trace to RS232 (assembly)Hi Guys, I'm working on a game at the moment (written in assembly) but I am really needing to write out a debug trace of what is going on with the p…

    ... (written in assembly) but I am really needing to write out a ... of the emulator via RS232 to a flat ascii file. ... information on how to write to the RS232 port via assembly. I'm ... be done via assembly [RST 8 ] without returning to BASIC?

    ...
    BloodBaz BloodBaz January 2014 Development
  • Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…

    ... In both instances the required return to BASIC with a decimal fraction ... HL ;discard $2d2b ;STACK_BC return address
    RET
    ... Using the above method to return from a USR call ... particular function) will return that value to the BASIC program.
    ...
    Battle Bunny Battle Bunny January 2017 Sinclair Basic
  • Sir Clive hints at a return to computersFrom [url]www.designweek.co.uk[/url] "Sinclair hints at a return to computers Published: Jul 2006 Sir Clive Sinclair is designing more transport-led…

    ...
    "Sinclair hints at a return to computers
    Published: Jul 2006 ... transport-led products and hopes to create another computer.
    ... legs.
    Sinclair refuses to speculate on its likely ... br /> In a fillip to British manufacturing, Sinclair also ...
    Pascal Tournois Pascal Tournois July 2006 Sinclair Miscellaneous
  • Wanted! Return to Eden / Worm in ParadiseHiya all Anyone got a copy of Level 9's 'Worm in paradise' and 'Return to Eden' they would care to sell me? Need to be in complete near mint conditi…

    Hiya all

    Anyone got a copy of Level 9's 'Worm in paradise' and 'Return to Eden' they would care to sell me? Need to be in complete near mint condition

    Would be really greatful!

    Thanks

    ZX Beccy
    ZX Beccy ZX Beccy October 2006 Wanted
  • Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…

    ... do not know that many assembly instructions and I have no ... who has never worked in assembly I am also unsure if ... />
    I used a basic program to load some "graphic" into memory ... /> [B]endofprogram[/B]
    ret ;return to basic

    [B]setcarry[/B ...
    Rickard Rickard May 2007 Development
  • A return to point-and-click adventures...Okay, they've nicked my username, but I sincerely hope this is the start of a welcome return to the traditional point-and-click adventures. Made by …

    ... the start of a welcome return to the traditional point-and-click ... one of the very few to get it right.

    Vampyre Vampyre June 2007 Chit chat
  • Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …

    ... idea of getting access to BASIC listings inside a program ... game. I was able to work a way around ... are some games with a BASIC listing inside the code, ... to know is if anyone remembers any game that has BASIC ... with messages that are waiting to be found (and yes, ...
    zxbruno zxbruno August 2007 Sinclair Basic
  • Machine code and Basic system variablesSpectrum system variables (I mean 48KB model) are essential for Basic. But what if I started my machine code program and it's never going to return t…

    ... 48KB model) are essential for Basic. But what if I started ... and it's never going to return to Basic? Can I overwrite system variables ... . I guess it had something to do with code executed during ... if I don't want to dissable interrupts, can I still ...
    Ralf Ralf January 2009 Sinclair Basic
  • Tinkering with Quique Llar?a's Midi2Ay tool...Im tinkering with Quique Llar?a's Midi2Ay tool, found at: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/tools/pc/midi2ay-0.1.zip[/url] Im not a v…

    ... having difficulty understanding the outputed assembly code.

    When the ... assembly output is compiled via pasmo, Im trying to understand why ... like to add a short routine to stop the playing and return to basic when ...
    kgmcneil kgmcneil October 2009 Development
  • Return to Ithaca bugfix version?The [I]Return to Ithaca[/I] entry lists a "bugfix" version, yet no further details are given whether this is a subsequent release from Atlantis itsel…

    The [I]Return to Ithaca[/I] entry lists a " ... bug this release is supposed to fix.
    Alessandro Grussu Alessandro Grussu January 2011 Infoseek database
  • Back to BASIC[U][B]Archaeology guide to programs compiled used MCODERII.d[/B][/U] After various people have been talking about "Frank'n'stein" I decided to finis…

    ... makes converting the code back to BASIC much easier.

    ... will notice there is some BASIC source code between addresses ... compiled code (not the original BASIC address). There are 2 ... [LIST]
    [*]base+0 = pointer to string
    [*]base+2 = length ...
    Jimmy Jimmy May 2011 Development
  • 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 …

    ... a short routine to save part of a BASIC program. The idea ... "SAVE lines ";(la);" to ";(lz);" as:"'h$(2 TO 11):
    IF ... $="AF111100DD2A4B5C010600DD09CDC204CDA22D3EFFC5D1DD2A765CCDC204CD2B2DC9":
    FOR s=1 TO 67 STEP 2:
    LET ...
    Battle Bunny Battle Bunny September 2011 Sinclair Basic
  • Image to BASIC commandsHi all I'm looking for an app that read an image (jpg, gif, etc...) and convert it to BASIC commands (DRAW, CIRCLE, etc...) The images to convert wi…

    ... , gif, etc...) and convert it to BASIC commands (DRAW, CIRCLE, etc...) The ... images to convert will be simples as ...
    oblo oblo October 2012 Development
  • Where to start? I want to learn assembly for the Spectrum (Total Novice)Hi, I want to learn to code assembly for the Spectrum but I'm a bit lost. I'm a programmer so I'm fluent with computers and several languages (or…

    ... ,

    I want to learn to code assembly for the Spectrum but ... Ubuntu, so would prefer to use emulators that are available ... to use ZX Spin, that seems to have some tool to write/load assembly ... br /> How can I code assembly for the Spectrum and load ...
    raistlinmolina raistlinmolina October 2017 Development
  • What is the best book to start AssemblyI want to start to learn Assembly

    I want to start to learn Assembly
    hendrikbez hendrikbez May 2018 Books
  • Adding command to BASICI am looking for an article about adding commands via software to sinclair basic. I know there was one published and to the best of my knowledge it w…

    ... about adding commands via software to sinclair basic. I know there was ... one published and to the best ... This particular article explained how to use some of the system ... commands, new self-made commands to BASIC, is there any articles on ...
    dmsmith dmsmith August 2019 Sinclair Basic
  • new programmer needs information hi , i have been learning c++ for a while and am trying to make games using windows but being 28 and nostalgic , i thought it would be fun try and f…

    ... Program 1.2 taken from Assembly Language
    ;for ... ;*****************************************
    ;routine to set up permanent screen colours ... 5633 ;open stream to print to the top part of ... Rom call to CLS the screen
    ret ;return to BASIC
    ...
    Steve(spt) Steve(spt) May 2004 Development
  • Emuzwin / Spin AssemblerHello lads. Wondering if anyone can help. I've decided to look into playing about with some code using the Emuzwin or Spin built-in assembler. Are th…

    ... You also need to use the Basic command CLEAR before you ... . So enter CLEAR 59999 in BASIC before assembling.


    To return to BASIC your machine code program must ... A simple example of an assembly program would be something like ...
    dmsmith dmsmith October 2005 Development
  • ANN: midi2ay 0.1Well, here's the MIDI-to-AY converter I promised. I've named it "midi2ay" (original name eh?) [url="http://es.geocities.com/qllaria/midi2ay/midi2ay-…

    ... there a way to have the .tap file code return to Basic after play ... know much about returning to BASIC from an assembly program (at least without ... a look at the resulting assembly source code (it's quite ...
    cascarria cascarria December 2005 Development
  • IY RegisterIve got a really bizarre bug, and I have only just started using the IY register. I seem to remember reading somewhere in a programming book, to neve…

    It needs to be loaded with 23610 before you return to BASIC.

    Yes, an assembly listing would be nice so we can help and give a few pointers (sic).
    rich_chandler rich_chandler September 2007 Development
  • Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…

    ... and I'm forced to account for this when ... exists on the above assembly. From BASIC it is being called ... register aren't being printed to the emulator screen. Instead ... you're already pointing to the required data in ... how you're able to return to BASIC at all...
    Arjun Arjun January 2009 Development
  • Building a menu in ASMWEll as probably some figured, i am learning asm at least to make the basic menu i did in basic. It is a menu where we can select games to be loaded.…

    ... can make the menu in assembly, but return to BASIC after selection, with selected ... can get this number in BASIC as the value returned ... cases when mixture of assembly and BASIC could be effective.
    BASIC to certain location in the ...
    Shiru Shiru June 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

    ... assembly listing - hope the comments make sense, I had to ... br />
    [CODE]; Assembly listing:
    l_5b00: ld de ... /> rst $08 ; Report error and return to BASIC
    defb $1a ; R ... rst $08 ; Report 'error' and return to BASIC
    defb $ff ; 0 - ...
    stefrobb stefrobb November 2010 Sinclair Basic
  • How to load a +3 dos file from disk to memory in z80Hi all again, Are there any example z80 code listings (not BASIC) to load a +3 binary dos file from disk to a specific memory destination? Thanks.

    ... 19 DOS functions from a BASIC menu. The accompanying assembler ... the assembly listing for "+3e Load & Run from Assembler" to ... load & run a BASIC program saved with ... an auto-LINE number and return to BASIC afterwards. Will it be ...
    Speccy_James Speccy_James February 2014 Development
  • Can anyone show a slight diagram of how pokes work in a jet set willy game for example?I know its kind of something to do with machine code and Memory addresses etc but would be nice to see a youtube video or some drawings etc ? .Many t…

    ... br />
    Spin has a BASIC keyboard helper for the keywords ... know them, for the above BASIC line you'd type:
    to open the assembler window. Enter a bit of assembly code ... a RET at the end (to return to BASIC)

    Save it using ...
    Morkin Morkin January 2016 Games
<1234567…34>

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