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Search Again :: Adv Search 1000 results in 0.030s
<1…14151617181920…34>
  • Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…

    ... have to pull the data out of memory into registers, and ... variables are. Many hand written asm programs do that.

    Winston Winston January 2009 Sinclair Basic
  • Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …

    ... to do my work my ASM code. Obviously it doesn't ... topic, thought I should point out the reliance of main memory)
    BloodBaz BloodBaz January 2009 Games
  • Speech reproduction on the Speccy - 2009 style?Thanks to Chapter 33 of [url="http://www.worldofspectrum.org/infoseekid.cgi?id=2000388"]Super Charge Your Spectrum[/url] by David Webb - "Speech Repr…

    ... pretty convincing sine wave. The asm routine I used is there ... really suitable - the wave form out of the EAR port is ... *)wav_buffer;
    stream=fopen("samples.out", "wb");
    if(!stream)
    Winston Winston January 2009 Development
  • Clearing the Carry flagI'm reading that sometimes I may want to clear the carry before using ADC or SBC. A simple AND A or OR B will do. However, as I see it, for 8-bit ar…

    ... reality to contend with in asm?[/QUOTE]

    Well, yes ... readability (although they can catch out newbies).

    You can ... stuff by default and running out of memory, that kind of ...
    Winston Winston January 2009 Development
  • How do I load .ASM text files into an assembler ?I notice that the old Sinclair magazines contain assembler routines that someone has put into .ASM files. These files are text files. I have a copy …

    ... tool that converts the .ASM file into a .tzx ... .

    Turning .asm file into tape image like ...
    1. Compile the .asm file with any of the ... code digits (.bin or .out extension) or Spectrum memory ... you have .bin or .out file, load it into Spectrum ...
    Ralf Ralf January 2009 Sinclair Miscellaneous
  • How do I load .ASM text files into an assembler ?I notice that the old Sinclair magazines contain assembler routines that someone has put into .ASM files. These files are text files. I have a copy …

    ... someone has put into .ASM files. These files are ... suitable for loading in the .ASM files ?

    ... do I use the .ASM files without typing the ... tool that converts the .ASM file into a .tzx ... asm listing, correct the errors then save the file out ...
    Steve(spt) Steve(spt) January 2009 Sinclair Miscellaneous
  • Wireframe GraphicsI'm trying to get my head round 3d / wireframe graphics and not really having much luck. I've had a good look on google, but mostly come up with wir…

    ... />
    One thing to watch out for is clipping. Clipping points ... un cube[/URL]
    The asm source is in there btw ...
    evilpaul evilpaul January 2009 Development
  • How can I convert an .ay file to .pt3?I've tried AY_emul but it seems to me that ay to pt3 is outside the capabilities of the program. Anyways, What I'm supposed to do? Note that I'm not…

    ... will be tons of redundant out's there that can be ... turn a .pt3 into an asm routine.
    Emlyn_Hughes Emlyn_Hughes February 2009 Development
  • New game: Nanako Descends to HellJust a bit over two weeks after their first game, The Mojon Twins strikes again with a new game for Spectrum 128k and Amstrad CPC: [url]http://www.m…

    ... latter inlines a z80 OUT instruction rather than incorporating a ... ISR hook wasn't paged-out, but I think I ... (61937 - 61948)

    #asm
    ; Copy to a buffer ... />
    copia_vectores_a_RAM3 ();

    #asm
    ei
    #endasm
    na_th_an na_th_an March 2009 Games
  • New game: Nanako Descends to HellJust a bit over two weeks after their first game, The Mojon Twins strikes again with a new game for Spectrum 128k and Amstrad CPC: [url]http://www.m…

    ... /> copia_vectores_a_RAM3 ();

    #asm
    ei
    #endasm
    out while code is running ... code here

    #asm
    pop hl
    pop ... /> {
    ...

    #asm
    di
    #endasm
    Alcoholics Anonymous Alcoholics Anonymous April 2009 Games
  • 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. …

    ... program got the message "E out of DATA" and just about ... with this little monster in ASM :)
    Zetr0 Zetr0 April 2009 Sinclair Basic
  • RLE source codeI'm considering tweaking my Des Des loader to cope with on the fly decompression (yeah I'm bored) I was wondering if anybody out there had a very ba…

    ... /> I was wondering if anybody out there had a very basic ... in Spanish, it contains an ASM routine (and Z88DK pure C ... and C+ASM versions too) to unpack RLE ...
    sromero sromero April 2009 Development
  • Simple text compressionI just checked one idea about text compression. Do not take it as recomendation but rather as info which can you save some time when you are solving …

    ... located anywhere in memory - the asm code (below) just needs to ... :
    ;LD HL, 49152 ; (Comment out once DEBUG complete)

    BloodBaz BloodBaz May 2009 Development
  • Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …

    ... /> goto start
    Fontdata:
    asm
    DEFB 000,000,000 ... ,024,112,000
    end asm

    start:
    poke ... version 1.1.7 is out now.
    The only drawback ...
    LCD LCD May 2009 Development
  • Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …

    ... in 3 phases (analysis, translation, ASM - Linkage). Languages like C falls ... languages don't usually carries out hard optimizations (specially for 'eval ...
    boriel boriel May 2009 Development
  • New to developmentHello there my fellow forum chummies, I have recently been bitten once again to go into software development, its been a while. I have a lot of ski…

    ... and some VERY rudementary z80 ASM. I have downloaded TOMMY GUN ... It allows development of pure asm projects, C programs, or ... supported platform. You should check out some of the available library ... and Betiled contains some inlined asm to speed up object ...
    Alcoholics Anonymous Alcoholics Anonymous July 2009 Development
  • New to developmentHello there my fellow forum chummies, I have recently been bitten once again to go into software development, its been a while. I have a lot of ski…

    ... the pipeline is written in asm and should be more complete ... linker will only pull code out of them if it is ...
    Alcoholics Anonymous Alcoholics Anonymous July 2009 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…

    ... think I've got the ASM file generating code that works ... /> [*]Moved a lot of routines out of contended RAM into the ...
    Jimmy Jimmy July 2009 Development
  • DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…

    ... address for paging its rom *out* as well.

    * Call it/page out.

    When the ... most interest are zeropage.asm (the RST 8 initial ... do_callbas routine in trapdispatch.asm which calls the ZX ... in trapdispatch.asm - where it figures out that a ...
    Winston Winston August 2009 Development
  • 128K dev / PASMO (or alternative) question...When I assembly my code, I have it set up so that PASMO automatically creates a TAP file complete with loader, and this works great for 16/48k Do y…

    ... QUOTE=robpearmain;380907]
    Out of interest, do you do ... 10 CLEAR 24999
    20 OUT 32765,20
    30 ... "cow1"CODE
    40 OUT 32765,17
    50 LOAD ... "cow2"CODE
    60 OUT 32765,23
    70 LOAD ... assembler stub (i.e. an .asm file with "incbin 'page0.bin ...
    gasman gasman September 2009 Development
  • The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…

    ... be implemented in asm. Keeping the libraries in asm is very central ... compiled C programs competitive with asm programs. It would be very ... enough to try a z80 asm implementation. There's also ... z80. Just throwing some stuff out there :-)

    Having ...
    Alcoholics Anonymous Alcoholics Anonymous September 2009 Development
  • The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…

    ... blob/master/examples/divide_firmware/page_0_hooks.asm]really clever code for capturing ... blob/master/examples/divide_firmware/startup.asm]the startup code[/url] ... extreme case you could write out the 48K image to ... a cute way of finding out which video ram is ...
    gasman gasman October 2009 Development
  • 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…

    ... an improvement (taken from test.asm):

    [code]
    ... UDGs?). so just leave this out.

    ld ... /> ld bc,0fffdh
    out (c),a
    inc ... /> ld b,0bfh
    out (c),a
    inc ...
    fin xor a
    out (0feh),a
    ;;; jr $
    Alcoholics Anonymous Alcoholics Anonymous October 2009 Development
  • Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…

    ... starting point and doing an asm version also..

    although ... would recommend to people starting out...

    I only can ...
    fog fog November 2009 Development
  • Sprites...What is fastest way for drawing masked sprites at any screen position without using preshifted data ? I want to use it for isometric view game... li…

    ... /sp1/spectrum/sprites/draw/SP1_DRAW_MASK2.asm?revision=1.1&view ... +1) holds the bits shifted out to the right following that ...
    Alcoholics Anonymous Alcoholics Anonymous November 2009 Development
  • Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…

    ... testqwertyiop(void)
    {
    #asm
    dec e
    // ... mind that anything enclosed in #asm / #endasm is passed ... preprocessor is taking that statement out.. or maybe not :-P ... c file still represented with asm labels. External references might ...
    Alcoholics Anonymous Alcoholics Anonymous December 2009 Development
  • Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…

    ... to faciliate memory allocation out of different memory banks ... (void)
    {
    #asm

    push af ... /> {
    ...

    #asm
    di ; make sure no ... my_isr()

    #asm
    ei
    # ...
    Alcoholics Anonymous Alcoholics Anonymous December 2009 Development
  • Commodore 1541 disk Drive.I cannot find the original thread I said this in before so I'll start a new one. I am thinking of getting a commodore 1541 Disk drive for my old br…

    ... of things to figure them out. I'm sure folk here ... />
    if you did any ASM on the speccy and wanted ...
    fog fog December 2009 Chit chat
  • New game - All Present and CorrectNew game available from my site or the link below, quickly beaten together with help from Mister Beep, Fikee, Graz & Andrew Owen. [URL="http://www.b…

    ... you do it all in asm?[/QUOTE]

    All written ... ).
    ZX-Paintbrush (for trying out screen layouts)
    Tommy-Gun ...
    bobs bobs December 2009 Games
  • What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…

    ... in decimal while writing in asm, try to think in hex ... you've only just started out.

    See the ld ...
    Winston Winston December 2009 Development
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