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<1…16171819202122…34>
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... br /> The fat-text scrolling routine must run during the interrupt ... makes this request by calling a function the program ... memory for reuse by calling a function the program ... scroll_isr(void) // an interrupt routine called every 1/50s
    Alcoholics Anonymous Alcoholics Anonymous October 2007 Development
  • Vector drawing routines.Anybody could point me to some sort of vector drawing package of routines, callable from BASIC? With "vector drawing" I mean to draw 2D pictures with…

    ... ]I have written a fill routine that will fill from the ... it somewhere so I could test it properly)

    I ... !

    And if the routine does pattern fills, it would ...
    na_th_an na_th_an October 2007 Development
  • Vector drawing routines.Anybody could point me to some sort of vector drawing package of routines, callable from BASIC? With "vector drawing" I mean to draw 2D pictures with…

    ... single pixel is visited to test for expansion of the fill ... eating up 30k+ causes the routine to lose its practicality.
    Alcoholics Anonymous Alcoholics Anonymous October 2007 Development
  • Vector drawing routines.Anybody could point me to some sort of vector drawing package of routines, callable from BASIC? With "vector drawing" I mean to draw 2D pictures with…

    ... single pixel is visited to test for expansion of the fill ... eating up 30k+ causes the routine to lose its practicality.
    Dr BEEP Dr BEEP October 2007 Development
  • Testing the Ram on a Toastrack 128KHi All My "new" 128K is misbehaving, all the demos I have loaded for it crash instantly, Ghostbusters 128K is playable but one of the background scr…

    Well I have run my test program and everything comes up ... 7 excluding 5 with a routine that POKEs 255 to a ...
    Womble Womble October 2007 Hardware
  • Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…

    ... is obviously a tape loader routine. So it's clearly working ... get it to load some test files I had, so it ...
    Digital Prawn Digital Prawn November 2007 Games
  • New assember ideaAs i work with Eclipse IDE in my job i become more and more lazy. This leads me to idea that it is time to left Notepad+Tasm combo behind and move on…

    ... sbrk_callee calls another library routine "HeapSbrk_callee" so it ... calls yet another library routine "HeapFree_callee" so that code ... reference to another library routine with "LIB HeapSbrk_callee". ... subroutine assumes a C calling convention was used in ...
    Alcoholics Anonymous Alcoholics Anonymous November 2007 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... avoided by starting the analysis routine like this:

    [CODE ... 1 and 2), so the routine to print the entire board ... will write a small BASIC test program to find out why ...
    Digital Prawn Digital Prawn November 2007 Development
  • Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?

    ... run a program that will test all I/O ports.

    Well, the routine at $0066 certainly does quite ...
    zub zub November 2007 Hardware
  • Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?

    ... do you should decode to test unambiguously for:
    [LIST]
    routine ($11CB), well, I just don ...
    zub zub November 2007 Hardware
  • Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…

    ... that is meant to test a BASIC's ability ... three tests; a speed test, a test of the quality of ... The random number generator test is virtually useless and the ... fp accuracy test would best be summed ... . And basic's interrupt routine consumes another 1.4% ...
    Alcoholics Anonymous Alcoholics Anonymous December 2007 Sinclair Basic
  • Channel redirectionHi! I need help regarding the following problem. I want a BASIC decoder running on Spectrum, written in assembler. I found the great *LIST routine […

    ... . I found the great *LIST routine [0] by Jon North. This ... a custom 64 columns printing routine, that will look into that ... character to your 64-col routine? Also, the printer buffer is ... have already set (bufindex) before calling it, does no overflow checking ...
    Jonathan Harston Jonathan Harston December 2007 Development
  • Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…

    ... the Spectrum's power-on test is that its a very ... simple memory write and read test, that works even when the ... short ldir-based machine code routine to relocate it to screen ...
    Phu Phu December 2007 Hardware
  • DEF FN DirectivesI am looking at using some machine code functions from the DK Graphics Pack. They are machine code but they are called via Basic with the function de…

    ... in order to call the routine from your own code rather ... address that gets called, and calling the FN from BASIC. Just ...
    icabod icabod December 2007 Development
  • ** Vu-meter competition **Apologies if this is in the wrong section. At the moment, the official number of entries is [COLOR="Red"]0[/COLOR]. :p [B][U]Why?[/U][/B] I was tr…

    ... to run Woody's second routine as well as Spectaculator, maybe ... Speccy to do a real test here, I'm afraid.
    zxbruno zxbruno December 2007 Sinclair Miscellaneous
  • It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…

    ... it though, I tried to test with RANDOMIZE USR 16376 ... when ... put a short machine code routine in RAM consisting of CALL ... timings exactly correct on the test bench waveform you're feeding ...
    Winston Winston December 2007 Hardware
  • A serious question (in case you think it's facetious)Alright, so none of us can tell the future, and equally no one knows for definate what oil/gas etc reserves are left and where, but I was talking to …

    ... main stream media make by calling something "only a theory". ... normal that scientists try and test the theory and try ... falsifiable principles, and then test them, and test them - and keep testing ... the last message showed that calling a scientific theory "only ...
    Winston Winston January 2008 Chit chat
  • basito: CPC Basic interpreterHello. I'm writing a Basic Interpreter compatible with the Amstrad CPC series Locomotive Basic. It's still in a very early development stage, but al…

    ... uses the rom line input routine, that openzx does not have ... routines to be able to test with openzxrom.

    But ...
    NotFound NotFound February 2008 Development
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... I'll probably end up calling it connect4-PvP on the ... /> r - used in the printing routine - it holds the value of ... - also used in the print routine, holds the value of the ...
    Digital Prawn Digital Prawn February 2008 Development
  • problem using FRAMES to generate 'random' numbersI realise the pros use bytes from ROM to get their random numbers, presumably because they want to use FRAMES to synchronise the printing and avoid s…

    ... road in my scrolling road routine (using Alcoholics Anonymous's 32x ... a fix without resorting to calling a byte from ROM?
    Dr BEEP Dr BEEP March 2008 Development
  • Dangerous Z80 Assembly CommandHave been reading Toni Bakers' "Mastering MC On Ya Speccy" book and came across the list of Z80 commands in the dictionary section. Page 102 "[b]IM…

    ... in IM 2 mode then calling the ROM ISR and I ... -written AY chip music player routine I was supplied with that ... again inside the IM 2 routine, before jumping into the system ... to check the AY music routine itself in the dissassembler, and ...
    Digital Prawn Digital Prawn March 2008 Sinclair Miscellaneous
  • Why are we here? (At WoS)No, not a deep philosophical question about the nature of life, the universe and human existence. The thread &#8220;what does your partner think of …

    ... emulation (despite Paul Howard wrongly calling me an emulation user in ... long enough for programmers to test and learn every quirk and ...
    ewgf ewgf March 2008 Sinclair Miscellaneous
  • z88dk - Plus 3 dos librariesdo they work? I looked in the cvs to try to piece together an idea of the syntax of the commands (the documentation is pretty sparse :-() and it loo…

    ... ]
    // zcc +zx -DPLUS3 test.c -o test.bin -lp3 -create-app ... );

    if (in = fopen("test", "r"))
    {
    fread(buf ... " and maybe a "write file" routine which will restore expected register ...
    Alcoholics Anonymous Alcoholics Anonymous March 2008 Development
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... a loop.[/QUOTE]

    Calling RANDOMIZE inside a loop is ... time.

    Try this test to see what I mean ...
    Einar Saukas Einar Saukas March 2008 Development
  • Announce: BASin r14b availableHere's the fix mentioned earlier for those of you that either are too lazy to update your OS (XP SP2 has been out aaaaages, Arjun!) or even junk that…

    ... decimal (including, optionally, a POKE routine). Hexadecimal takes a lot less ... a REM statement (complete with calling code, restoration code etc).
    Dunny Dunny March 2008 Emulators
  • Zx Spectrum Games Are More SpiritualZX SPECTRUM GAMES ARE MORE SPIRITUAL, as they are more basic compared to C64, possibly because if a game is not being written well, the programmer c…

    ... game because it isnt but calling the programmer a muppet is ... tight timescales, no one to test it apart from himself but ...
    psj3809 psj3809 March 2008 Games
  • Beeper octave range...A dumb question, I know, but I've found two conflicting sources of information on the octave range of the Sinclair beeper. I suppose I'm being a lit…

    Are there tables available anywhere, that show which values need to be sent at which intervals (using OUT 254 rather than calling the ROM beeper routine) to achieve each semitone?
    bcass bcass April 2008 Sinclair Miscellaneous
  • Beeper octave range...A dumb question, I know, but I've found two conflicting sources of information on the octave range of the Sinclair beeper. I suppose I'm being a lit…

    ... OUT 254 rather than calling the ROM beeper routine) to achieve each ...
    Patrik Rak Patrik Rak April 2008 Sinclair Miscellaneous
  • If you've got a real working MF128,IF1, and MDR combo can I ask a favour?So, if you do have a real Multiface 128, Interface 1, Microdrive and, oh yeah, a Spectrum (48k or 128k) that are all working, can I ask a favour...? …

    ... ,0 ; clear register
    call routine ;
    ;
    pop hl ; restore ... ;
    ;
    ret
    ;
    routine ld (err_sp),sp ;
    rst ... /> ; with an if1 fitted, calling the init routine hook-31
    ; will ...
    jp jp April 2008 Hardware
  • 2 Spectrums (synched) playing AY tunes?After listening to a few Turbo Sound FM MP3s, I wondered... For those of us who can't build this card, couldn't we synch 2 128Ks and play these tunes…

    ... track, assuming that the original routine already used 100% CPU.)
    test with two or more Spectrums ...
    gasman gasman April 2008 Sinclair Miscellaneous
<1…16171819202122…34>

Latest Posts

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