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<1…19202122232425…34>
  • Print routine for BASIC (or BASin)For anyone interested there's a crappy binary here to print characters from BASIC at pixel positions. Import the binary at 60000, USR 60000 to initia…

    ... , or printer bytes, can be set up to "flow" by using ... in the ROM. This action, set up by the "stream driver ... memory, evetually running down to RAMTOP which is the functional equivalent ...
    Dunny Dunny October 2006 Sinclair Basic
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... where these parameters can be set. For TS2068, choose 60Hz(Atari ... does not include the interrupt routine that must call the player ...
    Alcoholics Anonymous Alcoholics Anonymous November 2006 Games
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... as ntsc on my TV set, colors look a little buggy ...

    I?ve just set up VortexTracker configuration following your ... does not include the interrupt routine that must call the player ... that. What is this interrupt routine to load the songs? We ...
    Paulo Kathanni Paulo Kathanni November 2006 Games
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... as ntsc on my TV set, colors look a little buggy ... that. What is this interrupt routine to load the songs? We ... so on. An interrupt service routine can do that for you ...
    Alcoholics Anonymous Alcoholics Anonymous November 2006 Games
  • The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…

    ... $38 ; exit through IM 1 routine
    [/code]

    Call ... the routine at 40000 once and everything ...
    Dr BEEP Dr BEEP November 2006 Sinclair Basic
  • The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…

    ... code, but it's set to use a huge ... where the vector table and routine are.
    Better, IMO ... and set the values to $fe, then put the routine at ... DI before the first (setup) routine too.

    The ... tho', is having the routine in the top page, especially ...
    icabod icabod November 2006 Sinclair Basic
  • The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…

    ... where the vector table and routine are.
    Better, IMO ... and set the values to $fe, then put the routine at ... DI before the first (setup) routine too.

    ... tho', is having the routine in the top page, ... (257x)

    and set I to #fe

    Dr BEEP Dr BEEP November 2006 Sinclair Basic
  • The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…

    ... about how to set up an interrupt service routine? Is it just ...
    na_th_an na_th_an November 2006 Sinclair Basic
  • The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…

    To set up an interrupt service routine you need to ... address of your interrupt routine... which is why in ... the address of your interrupt routine is at $fefe.
    ... ve set up your table, and your interrupt routine, you ... before running the setup routine. DI won't ...
    icabod icabod November 2006 Sinclair Basic
  • Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […

    ... address of the error handler set in another variable.

    routine the fills this jumptable and ...
    NotFound NotFound December 2006 Development
  • Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…

    ... set by the compiler to default to 'OPEN TO 3' and RAMTOP ...
    DonkeyPong DonkeyPong December 2006 Development
  • Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …

    ... .
    2. Call the rom routine to blit it into the ... using that rom routine, then load in the next set of sprites ... using my existing software blit routine.

    Anyone got any ...
    DonkeyPong DonkeyPong January 2007 Development
  • Wanted: z80 asm routines...for the Sam. This call goes out to Colin and others who know how it should be done. If you look on the Sam C disk you can see the implementation…

    ... />
    Really, there is no set format you should use, whatever ... data is mixed into a routine specifically to print that sprite ...
    Quazar Quazar January 2007 Development
  • Spectrum Issue two problemI managed to bring back to life a issue two spectrum (at least the power supply cirquit). The screen is now crystal clear (after replacing all the el…

    ... with the data bit either set to 1 or reset to ... result is zero then the RAMTOP is set to that address. That ...
    Marcelo Marcelo January 2007 Hardware
  • Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …

    ... ,NULL} if less than 2k set)

    So at the ... the video hardware ).

    Routine:
    [init]
    [game loop ... page and call the _blit_all routine ( or whichever is appropriate )
    DonkeyPong DonkeyPong January 2007 Development
  • Syntax checkingI want to capture the command for i.e. microdrive in a standard ROM. The editor will give an error, but how can I redirect to my own routine? I will …

    ... I look at the edit routine any keypress is accepted until ... , but when I set a breakpoint at the ENTER-routine, the code ...
    Dr BEEP Dr BEEP January 2007 Development
  • NEW games for you chaps (and girls too) ;-)Okie, did some .TAP versions of NEW original games that were only released on TRDOS disk format. Some of you might have seen some (one or two are eve…

    ... starts at 23891 ($5D53) so set a breakpoint on it. Now ... disk loader routine starts at $D00F, where the registers are set as ... skips over the disk loading routine. Finally, we start execution at ...
    StuBruise StuBruise January 2007 Games
  • Monitor/debugger that doesn't use the Speccy ROM?Was there ever a Spectrum monitor/debugger released that didn't use the ROM, for key input and character output routines? The reason I ask is that i…

    ... that the actual Z80 disassember routine was written by John Kerr ... magazine in three separate SUB-SET articles in 1987. Editor David ...
    Geoff Geoff February 2007 Development
  • Monitor/debugger that doesn't use the Speccy ROM?Was there ever a Spectrum monitor/debugger released that didn't use the ROM, for key input and character output routines? The reason I ask is that i…

    ... a copy of the character set (which it does access, despite ... routines, BREAK detection, character set and scrolling routine. With all this in ... works perfectly - I can now set breakpoints in other banks, and ...
    glancaster glancaster February 2007 Development
  • Sam Revival magazine issue 16 now out! [Sam CoupIssue 16 of Sam Revival magazine is now out! This issue features the full Sam game 'Colony' on the coverdisk, which was written by Derek Koselo. Col…

    ... to the 8086, Zilog set up and spawned the Z80 ... When I can find that routine I was talking about, ... approx 12*12 pixel put routine (in your own time ... questions, seen as the routine in question just displayed one ... have copies of a MC routine which would be the ...
    CKay CKay February 2007 Announcements
  • Sam Revival magazine issue 16 now out! [Sam CoupIssue 16 of Sam Revival magazine is now out! This issue features the full Sam game 'Colony' on the coverdisk, which was written by Derek Koselo. Col…

    ... When I can find that routine I was talking about, I ... approx 12*12 pixel put routine (in your own time of ... . Or perhaps a whole new set of useful sprite routines or ...
    Quazar Quazar February 2007 Announcements
  • PAW tests - help and discussion :)Hello my friends :) I have started to make some tests with PAW and I must say I'm very pleased and surprised at the great program. I will be posting…

    ... />
    Ok. here's the set (I changed it to simplify ... (bathroom). I'm guessing this routine would somehow work (may be ...
    alban lusitanae alban lusitanae February 2007 Development
  • Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…

    ... you set a bp at #7465 you will see the routine. The ...
    Mr. Anonymous Mr. Anonymous February 2007 Development
  • Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…

    ... has to get its character set (the alphabet and symbols) from ... 3 etc... following the character set detailed in the manual.
    routine. Just like a UDG!
    routine outputs text it grabs them ...
    Dunny Dunny February 2007 Development
  • Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…

    ... of optimising the screen display routine - but which are faster: IF ... (key_enable) is at $FCAA, its set to 0 in the source ... the destruction of the whole set.

    Most other screen ... of $2B causes the demolition routine to go haywire:

    48K 48K March 2007 Development
  • Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…

    ... I mean is: If you set up the screen as I ... first screenshot, somehow the demolition routine is corrupted so that it ...
    48K 48K March 2007 Development
  • Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …

    ... sets up a small routine which it embeds in ... 4) returns to calling routine. Such a solution is ... and then calling a routine inside the stack space ... basically, the stack based routine is being called but failing ... copy of the routine it might set up in stack ...
    BloodBaz BloodBaz March 2007 Emulators
  • Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …

    ... the PC address. I've set up the patch so that ... />
    Actually, Andrew, the example routine BloodBaz used to snatch the ... binary. That yields 9 bits set and 7 bits reset. The ...
    Marcelo Marcelo March 2007 Emulators
  • Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…

    Been writing a map compressor routine that also builds the map ... the source code. I`ve set the uncompressed map data to ...
    FrankT FrankT March 2007 Development
  • Retargetting the Z88dkWell, I'm asking here because it's come up before, and I assume someone here might know the answer... I'm trying to retarget the Z88DK for the Z80 b…

    ... structure applied before it gets set loose. Particularly missing is some ... like interrupt handlers and the routine that reads the keypad/prints ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Development
<1…19202122232425…34>

Latest Posts

  • I bought an accoustic guitar. How do you play it?
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  • Goodbye Z80
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  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on 6:29PM
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on 6:17PM
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    Antiriad2097 on 5:05PM
  • European Software Titles with an English version
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  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21

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