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<1…13141516171819…34>
  • Childhood moments with my SpeccyHey everyone. The other day I randomly came across a tumblr page called "Me and My ZX Spectrum" ([url]http://meandmyzxspectrum.tumblr.com[/url]) …

    ... write incredibly clever pieces of code and make our beloved Speccy ... , I set up my Speccy, hook it up to my old ... to figure out how to hook up and operate the Speccy ...
    memrah memrah July 2013 Sinclair Miscellaneous
  • Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…

    ... an "Integer out of range" error anyway if an element is ... well.

    LMUL.BAS [code]
    3 DEF FN R ... s$(LEN s$): POKE var,CODE r$
    903 LET r ... ;" digits"''
    1399 RETURN
    [/code]
    Battle Bunny Battle Bunny July 2013 Sinclair Basic
  • How to write self-relocating code using Pasmo?With z80asm, I can write code like this: [CODE] org 0 ; a total lie, but makes the reloc sums work .dest: equ …

    ... ; target address of relocated code
    ld bc,.reloc_start ... ld bc,.reloc_len ; length of code to relocate
    ldir ... lots of code
    ;; lots more code
    ;; even more code
    < ...
    stephenw32768 stephenw32768 August 2013 Development
  • Image To ZX Spec 1.3.4 (Prefs saving, VLC support, Java7...)I keep saying I'll never update Image To ZX Spec again but I can't help myself. This is a major update and has some behavioral changes. [IMG]http://…

    ... output
    - Added new Sierra error diffusion option.
    - Added automatic ... !)
    - Removed some redundant localisation code.
    - English text and licenses ...
    brownb2 brownb2 August 2013 Announcements
  • BIFROST* example: "Knights & Demons DX" source codeA package containing the source files of our multicolor game "Knights & Demons DX" is now available for download [URL="http://www.mediafire.com/?hbch…

    ... ' timer (multiplied by 100)[/CODE]

    The ... br /> BIFROSTstart() ' enable BIFROST*[/CODE]

    This ... () ' wait for next frame[/CODE]

    Even ...
    Einar Saukas Einar Saukas August 2013 Development
  • Hardware description - DivIDE interface[B][U]DIVIDE interface / DivIDE 2k11[/U][/B] [B][U]The main description[/U][/B] DIVIDE is IDE interface with own external memory. Thanks to very goo…

    ...
    D7 = conmem mode[/CODE]

    Control port ... [B]IDE ports:[/B]
    [CODE][U]ADRESS READ WRITE[/U ... REGISTER
    #A7(167) ERROR REGISTER FEATURES REGISTER
    #AB ... 24-27 LBA 24-27[/CODE]

    Adressation ...
    velesoft velesoft August 2013 Hardware
  • Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…

    ... a spectrum in assembly/machine code... No fancy screen shinanagins, ... "/program loader.

    [code]
    10 LET X=61440 ...
    Paired registers

    [code]
    03 = INC BC
    3C
    C9
    [/code]

    returns... 61440...
    wibble wibble August 2013 Development
  • Linux/Unix Wizards come here!Hi to all, my nephew had just returned from a vacation in Tibet with a corrupted 4GB SD Card full of pictures. I've tried lot of ways to recovery da…

    ... all.. too much lines--
    [code]

    [51837.981493] ... /> [51837.981568] end_request: I/O error, dev sdb, sector 4

    [code]TestDisk 6.13, Data Recovery ... Reader



    [/code]



    Any ...
    DaRkHoRaCe DaRkHoRaCe August 2013 Chit chat
  • ZX Spin kicking up a strange errorDon't know if this is a 'strange' error or not, but it refuses to load certain Z80 files stating: [B][I]This Z80 file contains a block that decompre…

    Don't know if this is a 'strange' error or not, but it refuses to load certain Z80 files stating:

    [B][I]This Z80 file contains a block that decompresses to greater than 16384 bytes[/I][/B]

    Whats going on?
    daveysludge daveysludge September 2013 Emulators
  • Squishing code up nice and small then unsquashing it in assemblyI refer of course to data compression. I've done a search and there are lots of good compressors, but I can't seem to find one that works in assembl…

    ... a short bit of assembly code (exactly what I'm after ...
    R-Tape R-Tape September 2013 Development
  • Machine code optimisationI'm geting back into z80 coding and wonder what the best way of showing how efficient the code is. I've got Rodney Zaks book and see there are timin…

    ... of showing how efficient the code is.

    I've ... to determine how fast the code runs?
    rune rune September 2013 Sinclair Miscellaneous
  • Machine code/Assembly language back in the dayHello. Back in the 80s when I was a kid, I didn't learn Z-80 machine code, but I was always curious about it. Just recently I decided to explore Z-…

    ... attempt at learning machine code on the Spectrum made ... reset and editing the code, which is still waiting ... assembler window. However, writing code on a real Spectrum ... crashing in case bad code is executed? Did they ... who were learning machine code back in the 80s ...
    memrah memrah September 2013 Sinclair Miscellaneous
  • Converting Basic code into machine codeIm just interested to know if I can converter a game I've written in basic into Machine code, Is their a program that can do this??

    Im just interested to know if I can converter a game I've written in basic into Machine code, Is their a program that can do this??
    nonsenceinbasic nonsenceinbasic September 2013 Development
  • JSW2 - Game Loader DifferencesThere are three official releases of JSW2. I'm not counting the 'JSW2-128' version here as far as I'm aware this was not in any way 'official' as it …

    ... to headerless load the game code (47416 bytes) and the keypad ... the loader section, ie all code after the section of
    spider spider September 2013 Sinclair Miscellaneous
  • 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…

    ... trick like this:

    [code];; load a 4000 byte BASIC ... (23620),1

    ret[/code]

    Ta-da, BASIC ... total crash. Loading BASIC as code from the 128 BASIC interpreter ... 's the return from machine code that doesn't.

    stephenw32768 stephenw32768 September 2013 Development
  • 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 …

    ... tedious and prone to error I was intending to ... appended to the MOVE_M code.

    [code]
    10 REM ... or STOP):
    REM an error or STOP will automatically call ... /> 9999 RETURN
    [/code]

    [code]
    ; MOVE_M moving object ...
    Battle Bunny Battle Bunny September 2013 Sinclair Basic
  • Image to Spec, help needed.I am using image to spec and then tap to wav to load up some home made loading screens. Its all working but when the screen finishes loading and the…

    ... tape loading error.

    I have tried
    load "" code
    load "" screen$

    but these give me error R ...
    carl_retrotext carl_retrotext September 2013 Sinclair Miscellaneous
  • Tape handling on a +3I'm seeing some strange behaviour when loading a basic program from the Loader option of a +3. I'm currently using the fuse emulator (I don't have an…

    ... small basic program:

    [CODE]
    10 PRINT "hello world ... "
    [/CODE]

    then save it ... /> SAVE "autorun" LINE 10
    [/CODE]

    and save it ... , it would seem that the error reported at the end of ...
    u6c87 u6c87 October 2013 Hardware
  • Reading from a Write FileI have been speaking with a customer who uses a small bit of machine code to do a screen dump. The machine code is 650 bytes long. The machine code…

    ... .

    The machine code loads from cassette with the ...

    LOAD "printcode" CODE 64736
    RANDOMISE USR 65150 ... /> SAVE * "m";1;"printcode" CODE 64736,650

    When ... 1;"printcode" CODE 64736

    He gets the error reading from ...
    rwap rwap October 2013 Sinclair Basic
  • LOAD "" CODE - Blind Alleycame across [B]Blind Alley[/B] in the archives, and both tzx/tap versions only have Bytes header, no Basic loader with autostart - please, anyone, ho…

    ... the archive that need LOAD "" CODE?
    de Vandemar Croup de Vandemar Croup October 2013 Games
  • IF1bis Communication ErrorHello again.... I've just been working again with my IF1bis, having had to re-install the basic and shadow ROMS (probably my fault corrupting the I…

    ... device I get a communication error. Device V seems to work ... ";1) I get the communication error. If I then look into ...
    Simon_Carr Simon_Carr November 2013 Hardware
  • Getting an error when starting Spectaculator *(Pic included)Hello, Just started getting an error message saying certain (drivers/?) fail to initialize. This happens everytime I start Spect. I uninstalled Spec…

    ... ,
    Just started getting an error message saying certain (drivers/?) fail ... 's a pic of the error popup:
    [URL=http://s239 ...
    thomas3120 thomas3120 November 2013 Emulators
  • yx git repositoryHi, working version of yx - the preemptive multitasking operating system for zx spectrum - git repository can be found [URL="https://github.com/tsti…

    ... multiplexing the connection and automatic error correction,
    - implement RPC ... br /> - improve some drivers (original code is available),
    - implement process ... loading and killing code (relocation technology is available),
    tstih tstih December 2013 Development
  • Downloading code to physical hardwareHi folks, Back in the day, my devkit was a TRS-80 and I had a simple connector device from the TRS-80 parallel (printer) port to the expansion bus o…

    ... ways to get PC developed code over to a physical Spectrum ...
    David Jones David Jones December 2013 Development
  • Self modifying code ??I made a game in C that was mostly accessing arrays and using FOR NEXT loops, I ran out of memory, so I was thinking would it be possible to use sel…

    ... possible to use self-modifying code so that say 20 FOR ... NEXT loops use the same code?
    or 20 array look ... ups can use the same code?

    When using C ... write out all the machine code necessary to do loops and ...
    slenkar slenkar December 2013 Development
  • Assembly code auto optimiserFor my Finders Keepers Plus project I'm considering writing an Assembly code auto optimiser. Way back when I wrote the original FK I considered optim…

    ... like this

    [code]
    call SomeSub
    ... ret
    [/code]

    could be ... br />
    [code]
    jp SomeSub
    [/code]

    ... br />
    Example
    [code]
    ; My source
    ;< ...
    David Jones David Jones December 2013 Development
  • Seeing the code/In emulatorHello, Here is my Noob question. Is it possible to see the code for these games in an emulator? To be able to study the code? I am using the Sp…

    Hello,

    Here is my Noob question. Is it possible to see the code for these games in an emulator?

    To be able to study the code?

    I am using the Spectaculator emulator on a PC.

    Thanks,

    M
    MadR13D MadR13D December 2013 Sinclair Basic
  • Get rid of 'Bytes:' when loading codeHow do you hide the 'Bytes:' when loading code? I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appe…

    How do you hide the 'Bytes:' when loading code?

    I've tried saving as CHR$ 22 + CHR$ 6+ CHR$ 0 (a blank part of the loading screen) but it still appears at 3,0 and disrupts my screen!
    daveysludge daveysludge December 2013 Sinclair Basic
  • Code to test if a rectangle is in a rectangle[SIZE=3][FONT=Calibri]I am looking to write some code that will check if a rectangular shape is outside or overlapping a second rectangle. If the sma…

    ... am looking to write some code that will check if a ... have concocted the following sudo code to achieve this outcome:[/FONT ... , has anyone got some Z80 code that already does this? I ...
    Mr Millside Mr Millside December 2013 Development
  • SpecBAS 0.800 Released!Hi folks, it's that time again for another release. I was going to add a few more features, but I have other projects on the go at the moment, and it…

    ... the following:

    [code]
    Added:

    ... Added an Out of Memory error for overrunning the various ... return an "Invalid Keyword" error caused issues with the expression ... in erroneous "Scroll?" prompts
    [/code]

    Enjoy!
    ...
    Dunny Dunny December 2013 Sinclair Basic
<1…13141516171819…34>

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