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Search Again :: Adv Search 1000 results in 0.018s
<1…18192021222324…34>
  • 16K Rom with RS232 supportHi all, I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1. Background: I am using 48K Issue 3 with W…

    [QUOTE=Geoff;314731]
    The routine that begins at 0x0008 in ... 't just errors that this routine handles - it must find out ... BASIC ROM from the CALBAS routine in the shadow ROM, or ... a separate entry point for calling my ROM's functions). When ...
    Winston Winston November 2008 Hardware
  • RGB on speccy ?hi, just a question : are you aware of scene demo trying emulate rgb ? i was a bit ill last few days so laying in bad i come with a (stupid ?) idea.…

    ... /> That is my modified RGB Routine (First test: Only RGB, no K ...
    LCD LCD November 2008 Development
  • RGB on speccy ?hi, just a question : are you aware of scene demo trying emulate rgb ? i was a bit ill last few days so laying in bad i come with a (stupid ?) idea.…

    ... /> That is my modified RGB Routine (First test: Only RGB, no K ...
    Fikee Fikee November 2008 Development
  • [Discussion] Planned corrections to: The Complete Spectrum ROM DisassemblyOk, folks. Since I'm not obtaining replies from those involved in the previous effort to transcribe The Complete Spectrum ROM Disassembly, I'm going …

    ... BBC B. He could not test his solution to the INT ... -34 label causes the division routine to round up too much ... abandoned code on the CIRCLE routine.

    Both Logan and ...
    Geoff Geoff December 2008 Sinclair Miscellaneous
  • Help! USR 0 mode?Right, first of all, I know that this is in the wrong forum, and secondly it's maybe against the TOS anyway, as it's just asking people to read and p…

    ... /> In fact, the RAM Testing routine called at the start fills ... " and then with "00" to test if RAM is 16K or ...
    LCD LCD December 2008 Emulators
  • 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…

    ... print a null terminated string routine.
    In assembly, you CAN ... by a subroutine you're calling).

    The thing is ...
    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 …

    ...

    "set a byte, test it, goto next byte."
    "fill entire memory with pattern, test entire memory, goto next pattern ... in it. My pseudo random routine depends solely on a value ... from the original, so the test fails.

    I'm ...
    Digital Prawn Digital Prawn January 2009 Games
  • 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 …

    ... br />
    ;Inversion Pattern Test
    LD IX,PatternTable
    ; Simplified version of library routine
    ; This version - no ...
    DB "LOOP $0000 - Test Passed",0
    String4
    test programs as well.
    ...
    Digital Prawn Digital Prawn January 2009 Games
  • Atic Atac speed.Dear all, Excuse the noob question, but does anyone know how fast Atic Atac runs at? What I mean is, frames per second, or the amount of pixels the…

    ... /> ; disable ints before calling
    ; hl = interrupt routine address
    ; ints enabled ... (FXCode),hl ; change current beeper routine
    pop hl
    ld ...
    frobush frobush January 2009 Games
  • Help to run Abu Simbel in a +2A SpectrumI bought this game some weeks ago, but the version is the old one. When I loaded it in the emulator, I had to switch the keyboard issue to 48Kissue.…

    ... jumps to 64361 instead of calling it, but if it returns ... the last part of the routine shown above so that it ... a very small machine code routine to copy the data to ...
    zxbruno zxbruno January 2009 Games
  • 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…

    ... point at your own bad routine, so when the function exits ... /> If you're writing a routine in asm that gets called ... passed values. Depending on the routine, there are a couple of ... different than normal (for instance, calling a function in ROM, but ...
    Winston Winston January 2009 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…

    ... both in __cdecl and __stdcall calling conventions. __fastcall places them in ... C language standard defines the calling parameters - the word "stack" ... you're writing a FASCALL routine in assembly language to be ... believe if you write a routine in C and declare it ...
    Winston Winston January 2009 Development
  • Thinking in Assembly (first efforts)The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI): [code]searchmem xor a …

    ... ]The following is one small routine to educate myself on a ... z, found
    [COLOR=DimGray]; ... test for bc==0 here[/COLOR ...
    rich_chandler rich_chandler January 2009 Development
  • Assembler snippetsI was just thinking that a thread for small but useful assembler snippets to do useful things would be cool for people learning z80 coding. Not to me…

    ... routine ... test
    LD C,60 ; test seconds
    CALL test
    CALL test ; test ...
    Dr BEEP Dr BEEP January 2009 Development
  • updated Fatware - keyboard patchHi! I work with Fatware code and already prepare keyboard patch for original version 0.12. Now it's possible to operate disk browser with keys: 1) c…

    ... on DIVIDE+ interface, then flashing routine return error and install system ... /> 6000 - 7FFF - Firmware Selector with test (?)
    E000 - FFFF - Demfir
    micky micky January 2009 Development
  • DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…

    ... to correct value:

    TEST DI
    LD A,xxxxxxx0 ... memory
    RET

    Routine return flag Z if divide ...
    velesoft velesoft February 2009 Hardware
  • +3 BASIC and RST 8I've been working on adding commands to the BASIC interpreter, in a similar style to how Interface 1 does it (catch the RST 8 error trap). This works…

    ... to call any other ROM routine, you're going to have ... take different actions when calling any standard ROM routine other than RST10 ... this purpose, which calls the routine in ROM3 given by the ... call the standard tape loading routine, just use:

    [CODE ...
    glancaster glancaster February 2009 Development
  • +3 BASIC and RST 8I've been working on adding commands to the BASIC interpreter, in a similar style to how Interface 1 does it (catch the RST 8 error trap). This works…

    ... support, UDG printing, and test card (no test card in the Mk ...
    preserve error states
    test for new commands
    set ... back to original RST 8 routine

    no testing required
    chev chev February 2009 Development
  • Interrupts - been a while !Not sure if this is the right place for this (1st post on WOS, but been a speccy user since Dec'84 :-o (yes I am that old ! :p) ), But I can't for …

    ... /> ; disable ints before calling
    ; hl = interrupt routine address
    ; ints enabled ...
    frobush frobush March 2009 Sinclair Miscellaneous
  • 2 commands in 1 lineHi all, this is my first post although I have visited the web site many times, and I find it great. English is not my mother tongue, so I will try to…

    ... the program listing by calling the system routine LIST ($17F9) just after ...
    rinconete rinconete March 2009 Sinclair Basic
  • RSP - RS232 Patch for MB02Hi all, I patched tape LOAD/SAVE routines in BSROM by RS232 communication routines with TAP emulation. In principle you only send TAP file to COM por…

    ... I sped up the comm routine, and the last I used ... files to speccy ram to test code). Maybe you can find ...
    phoenix^ra phoenix^ra March 2009 Development
  • RSP - RS232 Patch for MB02Hi all, I patched tape LOAD/SAVE routines in BSROM by RS232 communication routines with TAP emulation. In principle you only send TAP file to COM por…

    ... I sped up the comm routine, and the last I used ... files to speccy ram to test code). Maybe you can find ...
    omega omega March 2009 Development
  • Detecting Spectrum modelsIs there any sure-fire way a program can detect the model of machine it's running on (48K, +, 128, +2, +2A, +3, clones) even when running in the 48K …

    ... ! But putting in a custom routine for each variant may cause ... who would be willing to test on real hardware.[/QUOTE]
    joefish joefish March 2009 Development
  • 2 commands in 1 lineHi all, this is my first post although I have visited the web site many times, and I find it great. English is not my mother tongue, so I will try to…

    ... the program listing by calling the system routine LIST ($17F9) just after ...
    Fikee Fikee March 2009 Sinclair Basic
  • New Spectrum game - Banger ManagementThe game I produced for the Byte Back event is now available for download: [url]http://www.byte-back.info/hbchallenge.html[/url] Now, does anybody …

    ... been able to design and test levels until the very end ... . For example, the rotating string routine is just a copy of ... 's bog-standard string display routine with a small and very ... the other hand, the sprite routine was written specifically for this ...
    jonathan jonathan March 2009 Games
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... left the default system interrupt routine running, so every 1/50 ... ], you'd then have to test A before you could do ...
    joefish joefish April 2009 Development
  • DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…

    ... perform: RUN and then SAVE "test" LINE 30

    Sinclair ... keeping the basic as one routine loading all screens from the ...
    omega omega May 2009 Sinclair Basic
  • DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…

    ... perform: RUN and then SAVE "test" LINE 30

    Sinclair ... keeping the basic as one routine loading all screens from the ...
    brownb2 brownb2 May 2009 Sinclair Basic
  • 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 …

    ... partially "interpreted" (e.g. by calling ROM routines). These means your ... evaluation) and space (the VAL routine, unless you call the ZX ...
    boriel boriel 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 …

    ... 23606,@Fontdata-256
    Print "Test"
    [/CODE]
    This displays ... the other hand, original PLOT routine is used, but jumping into ...
    boriel boriel May 2009 Development
<1…18192021222324…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

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