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<1234567…34>
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... the very least 24 tstates per line, more for larger ... a gain of 56 tstates per line, if i've ... on each line, this would save 21 tstates per line, as ... to calculate the new line address, put this bit ... your loop - saves 27 tstates per line.

    Combined ...
    dmsmith dmsmith August 2004 Development
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... the very least 24 tstates per line, more for larger ... a gain of 56 tstates per line, if i've ... on each line, this would save 21 tstates per line, as ... to calculate the new line address, put this bit ... your loop - saves 27 tstates per line.
    [/quote]
    ...
    moroz1999 moroz1999 August 2004 Development
  • Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…

    ... created to the Spectrum +3 through line out:

    [URL=http ... will have a Windows command line tool to turn .SNA or ...
    ASM ASM November 2010 Sinclair Miscellaneous
  • 64x48 full colour graphicsHow feasible is this? Could an interrupt-driven routine be used to, for example, fill the top two thirds with a 64x32 blocky picture and leave the bo…

    ... 21 tstates = 10,5 tstate for one byte copied. Copying one line ... =32 bytes would need 336 tstates.

    One line is ... drawn by ULA in 224 tstates. But me ... may start coping attributes one line above the line ...
    Ralf Ralf July 2012 Development
  • Spectrum Emulator that supports low resolutions and runs smoothlyHello to All, I have been trying to find a spectrum emulator that will work well through my CRT TV (using RGB to Scart) Most emulators seem to supp…

    ... to the sync)? Timings and line designations need to be given ... . This occurs between line 635/1 and halfway through line 313.

    line.

    The only ... might have to feed that through a Zombie-Guesser -> English ...
    guesser guesser August 2012 Emulators
  • 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…

    ... the code before. go through line by line on the input, with a ...
    wibble wibble September 2013 Development
  • New Game: DreamWalker (Alter Ego 2)[B][I]"Is this the real life? Is this just fantasy?" [/I][/B] [I]I will tell you a tale about a little boy. A little boy which was not like the othe…

    ... for russian clones with 224 tStates per line

    [URL="http ...
    DenisGrachev DenisGrachev April 2014 Brand new software
  • LINE-routine and other nice pieces of codeThe line-topic came in the end with a nice piece of fast coding. I think that there might be more of these routines out there (where-ever-u-r). Isn…

    The line-topic came in the end ... ...LD B,hightable ; B = constant through the program
    .......LD DE ...
    Dr BEEP Dr BEEP October 2001 Sinclair Miscellaneous
  • Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…

    ... ld a,32 ; cycle through 32 particles (32x8=256 ... of screen for this line
    inc h ... />
    ; Look up takes 64 TStates

    ; **************************************
    < ...
    robpearmain robpearmain September 2006 Development
  • 20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…

    ...
    Existing routines write each line of attributes just before the ... tstates slightly, and begin each pass slightly later for each successive line ... routine last night - churning through the PUSHes as fast as ... up and redrew the magenta line (see columns 12-13) ...
    gasman gasman July 2013 Development
  • MISSING M1 LINE ON +48????I was posting questions about my DIVMMC enjoy not working on one of my +48`s and have now got round to testing if its cpu related.Trouble is the one …

    ... get it out and go through the un boxing and setting ... little about the faulty m1 line and i think i understand ...
    zedexspectrum zedexspectrum July 2014 Hardware
  • Trying to enter a line from a book fails for some reasonI am reading through the book "[i]Spectrum Machine Language for the Absolute Beginner edited William Tang[/i]". I have got to the section where I nee…

    I am reading through the book "[i]Spectrum Machine ... /> When I try to enter line 130 into my emulator it ... /> I have entered line 130 as one whole line into the emulator ...
    Balrockus Balrockus April 2017 Sinclair Basic
  • Features that emulators don't haveI believe most of us use more than one emulator, mainly because there isn't one emulator that has all the features we need or want to use. We also kn…

    ... of ideas I never follow through :)

    [QUOTE=Philip Kendall ... at a specific number of tstates after interrupt. Sounds to me ... start FUSE from the command line telling it to open the ...
    icabod icabod March 2007 Emulators
  • Keyboard scanning routines / techniques?What keyboard scanning routines or techniques do people use? I'm looking to write something which doesn't rely on the ROM-based keyboard scanner, an…

    ... "]github[/URL]. I scan each line separately. I call the scan ... gone through the atomics code to shave more off the Tstates taken ... console, one on the serial line, using the same shell code ...
    u6c87 u6c87 May 2013 Development
  • FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…

    ... With error correction and multiplexed line. I have my own ... and samples the serial line a fixed number ... 119200 baud = 29.36 tstates / symbol, and some instructions ... a large number of tstates, especially when executing ... to connect to Fuse through a serial port, ...
    zub zub March 2014 Development
  • FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…

    ... timer and samples the serial line a fixed number of t ... MHz / 119200 baud = 29.36 tstates / symbol, and some instructions can ... quite a large number of tstates, especially when executing and accessing ... GDB to connect to Fuse through a serial port, there's ...
    tstih tstih March 2014 Development
  • Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…

    ... />
    MACRO ArbitraryDelay TStates
    IF TStates>=131
    ld ... hl,130-TStates : call BobrowskiDelay
    ELSE ... the RET in the next line
    .plus8 ld a ...

    ; Minimum time through this code is 10+17 ...
    introspec introspec October 2019 Development
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... Machine code.

    The line routine that I have implemented ... out there have a fast line routine, plese email me.
    rtunes rtunes October 2001 Sinclair Miscellaneous
  • New SPIN 0.3a releaseHi all, here's the next version - mainly a maintenance release, with new bugs :) Here's what's new: V0.3a - Bugs and more tapes -------------------…

    ... tapes through a tape recorder attached to the Soundcard's line-in ...
    Dunny Dunny September 2002 Emulators
  • ANNOUNCE: SPECSAISIE 1.2 released!SPECSAISIE is a Java system which enables one to perform surgery on SNA and TAP files, and various other gubbins (some functions relate to Spectrum e…

    ... example, and then run it through this to correct the checksums ... . The program includes a DATA line for each eight bytes, and ... a checksum for each line.
    + CSaisie: Combines Compare and ...
    andrewbroad andrewbroad January 2003 Emulators
  • ANNOUNCE: SPECSAISIE 1.2 released!SPECSAISIE is a Java system which enables one to perform surgery on SNA and TAP files, and various other gubbins (some functions relate to Spectrum e…

    ... example, and then run it through this to correct the checksums ... . The program includes a DATA line for each eight bytes, and ... a checksum for each line.
    + CSaisie: Combines Compare and ...
    andrewbroad andrewbroad January 2003 Games
  • Spectrum vs Vic 20 - cast your vote (please!)As I mentioned earlier this week, the Spectrum goes head to head with the Commodore Vic 20 in this week's round of the Micro Mart 'computer world cup…

    ... line.

    If the Spectrum wins again we will go through ...
    displayed 23 characters per line; the Spectrum 32 (many applications ...
    woodcock88 woodcock88 January 2003 Sinclair Miscellaneous
  • [NEW]: Spectaculator 4.0Hi everyone, Finally managed to finish it... enjoy! --- [NEW]: Spectaculator 4.0 Spectaculator is a Sinclair ZX Spectrum emulator for PCs runnin…

    ... supported joystick can be emulated through the PC keyboard's
    in line with Windows XP look and ...
    Jon Needle Jon Needle January 2003 Emulators
  • BASin Release 6 available for DownloadHi all - It's another cut'n'paste from CSS :) I've been tapping away again, and seeing as a couple of people have recently seen BASin's latest bits…

    ... you choose and Single step through your code statement by statement ... /> Added in the GOTO line numnber and GOTO Error options ... out.
    Added the Command line History window. Allows you to ... accordingly.
    Added the command line history - use the pgup/pgdn ...
    Dunny Dunny June 2003 Emulators
  • NEW INTERFACE FOR ZX SPECTRUM!!Hi all zx-maniax! Here is a letter from Polish inventor, Yarek Adamski. He constructed a new brilliant interface for ZX SPECTRUM. Ready carrefuly i…

    ... Two YABUS slots in small, through
    interface, connectable to rear ... also
    something else (non-through, such as interface of Timex ... these problems at once. Is through
    interface and the ... generate interrupts on every screen line as Sam
    do.< ...
    Yerz Yerz July 2003 Sinclair Miscellaneous
  • Denis through the drinking GlassI'm searching for an Walkthrough / Solution for the Adventuregame "Denis through the drinking Glass". Can everyone help me ? Thanks [email="ifehlau…

    I'm searching for an Walkthrough / Solution
    for the Adventuregame "Denis through the drinking Glass".

    Can everyone help me ?

    Thanks
    [email="ifehlauer@gmx.net"]ifehlauer@gmx.net[/email]
    ifehlauer ifehlauer July 2003 Games
  • Best method of recording spec tapes to PC.I just bought Hop n Chop from Cronosoft, and being that I don't have a real speccy anymore(until my Sprinter mobo arrives ;) the only way for me to p…

    ... -head AIWA tapedeck into the line-in before, and I could ... screen ;| So I put it through my mixer and fiddled with ...
    b00mzi11a b00mzi11a July 2003 Sinclair Miscellaneous
  • Laser Squad League......does anybody remember this project? To remind you, in LSL, players after every turn send a game's snap to their opponent. Fair play means that w…

    ... to play this League on-line? We need emulator with network ... , who is for LSL on-line? (Me, ME, MEEEE !!!)

    through LSL) and 'ruin' my reputation ...
    Alex_Lux Alex_Lux December 2003 Games
  • AY-3-8912 help !Hi all. Happy new yeay. I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find …

    ... I can access the sooundchip through IO. I am using assembly ... one being wrting a data line per access, ie data for ...
    GBNvK GBNvK January 2004 Development
<1234567…34>

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