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<1234567…34>
  • fastest emulationhi there as i got a hold of an old 486 laptop, i need to know: which is the fastest dos emulator? does any emulator uses the pc speaker for sound? …

    hi there

    as i got a hold of an old 486 laptop, i need to know:

    which is the fastest dos emulator?
    does any emulator uses the pc speaker for sound?

    doron
    doron doron May 2001 Emulators
  • fastest emulationhi there as i got a hold of an old 486 laptop, i need to know: which is the fastest dos emulator? does any emulator uses the pc speaker for sound? …

    hi there

    as i got a hold of an old 486 laptop, i need to know:

    which is the fastest dos emulator?
    does any emulator uses the pc speaker for sound?

    doron
    doron doron May 2001 Emulators
  • Fastest way to write something to screen$Hi, I just got pasmo.exe and start playing with attr scrolling, well, not scrolling, just write different values to a block and see if I can introdu…

    ... heard that it was the fastest way to update the screen ...
    AE.Vasconcelos AE.Vasconcelos April 2005 Development
  • Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384) I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory. I then want to cop…

    ... /> Can anyone show me the fastest assembly code to achieve this ... .

    This is my fastest code (4433 TStates to copy ...
    robpearmain robpearmain November 2005 Development
  • Madness or inaccurate docs: RR r/RL r?According to the Z80 User's Manual, the instruction RR r/RL r should rotate the carry flag into bit 0 or bit 7 of the register in question (bit 0 or …

    ... Manual, the instruction RR r/RL r should rotate the carry ... whether it's RR or RL). But it doesn't seem ...
    Winston Winston December 2006 Development
  • Fastest Baud Rate On A Loader ?Following on (sort of!) from the thread about the best loading.... Which game(s) had the fastest (highest baud rate) ? I seem to remember a couple …

    ... /> Which game(s) had the fastest (highest baud rate) ?

    spider spider October 2007 Games
  • Fastest loaderWhat was the fastest speed loader developed and could you name a game using it?

    What was the fastest speed loader developed and could you name a game using it?
    RND RND March 2008 Games
  • Fastest way to decide which pixel to paint in order to draw a straight line(after I saw "Bresenhams circle algorithm" in development forum, I decided to ask this in here) in fact, I want to accelerate a car towards a direct…

    ... iteration. But what is the fastest method to do this in ...
    Arda Arda September 2008 Sinclair Basic
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... have some: What's the fastest way to clear a screen ... as well and find the fastest solution for each code size ...
    Patrik Rak Patrik Rak February 2009 Development
  • Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…

    ... I am looking for the fastest function to draw a 4x4 ...
    robpearmain robpearmain May 2009 Development
  • Fastest loading cassette game?What was the fastest loading cassette game? Obviously size vs speed has to be compared, but I seem to recall a car racing game which seemed to load …

    What was the fastest loading cassette game?

    ...
    SKR SKR October 2009 Games
  • Fastest fill m.c. routine ever?What is the fastest fill routine you've ever seen? Is there a listing somewhere? Most games and adventures that use fill routines were considered slo…

    What is the fastest fill routine you've ever ...
    zxbruno zxbruno February 2010 Sinclair Miscellaneous
  • AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…

    ... , NEG=N, RLC=(,RRC=), SLA=, RL={, RR=}, SRA=]
    ;operation # on ... +VAL ",a"
    32 PRINT "RL ";a,"= ";USR 40021+VAL "{,a ...
    Battle Bunny Battle Bunny October 2011 Sinclair Basic
  • Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…

    ... 48K Spectrum, what's the fastest way to redraw the screen ...
    joefish joefish March 2013 Development
  • fastest Sound FX methods in ZX BASIC?Right now I'm doing an alternating footstep sound in my game using this following Beep statement. [code]beep 0.008,-4 + tog+tog+tog+tog : let tog=1-…

    ... ]

    This is the fastest sound I've so far ...
    Dock Dock June 2014 Sinclair Basic
  • Simple text scroller, first character problemin a text scroller, whole line scrolled to the left by 1 pixels using RL(HL) ; DEC L method. But at the rightmost character must be printed immediate…

    ... left by 1 pixels using RL(HL) ; DEC L method. But ... :)

    What's the fastest method of bringing character in ...
    Arda Arda January 2015 Development
  • Fastest way of reading from EAR portI'm trying to work out the fastest way of reading data from the EAR port and assembling the bits into a byte. I came up with this code: IN A, (C) ; …

    ... trying to work out the fastest way of reading data from ...
    i love the z80s i love the z80s April 2017 Development
  • Fastest emulator screen renderingHi, I'm developing an algorithm for fast emulator screen rendering and here is what I came up with. 1) Use 4bpp indexed image format as target …

    ... PixelFormatPARGB format might be the fastest to render regardless of the ...
    tstih tstih November 2019 Development
  • Fastest third person racing/shooter game?What game do you consider as fastest on ZX Spectrum? I'm thinking about third person racing (like Outrun, Supertrux, Wec Le Mans) or shooter (Mig-…

    ... game do you consider as fastest on ZX Spectrum?

    Zup Zup June 2020 Games
  • Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…

    ... .
    In my opinion the fastest way to do a one ... jonathan said, using dec l /rl (hl) repeated 255 times.
    ...
    pop hl
    rl h
    rl l
    adc a ... ,0
    rla
    rl h
    rl l
    adc a ...
    rtunes rtunes March 2003 Sinclair Miscellaneous
  • help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …

    The fastest method is undoubtly the table, ...
    loop:
    RRA
    RL B
    JR NC,loop ...
    Metalbrain Metalbrain October 2003 Development
  • Problem with rotating procedureHi folks! I wrote a proc in z80 asm, based on: x' = x * cos (z) - y * sin (z) y' = x * sin (z) + y * cos (z) I used a precalculated table of sin a…

    ... avoid many 16bit ADD and RL instructions. for example BUSY, ... : "How many T takes the fastest plot routine ? 100T ? 90T? ... /> [/code]
    is stupid.
    fastest, table driven, put pixel routine ... link at ticalc, the fastest rutine described there takes 61T ...
    Fikee Fikee July 2006 Development
  • 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…

    ... table lookup would be the fastest option but I always tend ... left one pixel (adriaan's rl(hl)/dec hl unrolled is ...
    Alcoholics Anonymous Alcoholics Anonymous July 2007 Development
  • Optimisations in Exomizer Z80 decrunch codeThis is the 163 bytes old code (simple and optimized): [CODE] ld iy, exo_mapbasebits ld a, 128 ld b, 52 push de exo…

    ... versions. Tested in the 2 fastest versions and reach 2.21 ... working now only in the fastest version of the decompressor, this ... z, exo_gb4
    exo_gb4c:
    rl c
    jr nc, exo_get4bits ...
    antoniovillena antoniovillena November 2012 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... finally figured out the shortest, fastest implementation for in-place RCS ... = r1c3c4c1c2c5r3r2 (p3 to carry)
    rl h ; H = x0x1x0R1R2p1p2p3
    ld ... about 3% faster than the fastest version we had [URL="http ...
    Einar Saukas Einar Saukas January 2013 Development
  • +3 TV Advert UKAnyone got the +3 TV advert? It's the one where there is a kid playing Hang-on and the voice over says: "Be the fastest rider on the grid." It's adv…

    ... over says:
    "Be the fastest rider on the grid."
    Boof Boof June 2001 Sinclair Miscellaneous
  • BASIC-code challengeFor the BASIC-coders among us. There is a number that has following aspects. divided by 16 remains 15 divided by 15 remains 14 divided by 14 remain…

    ... your program below.
    The fastest BASIC-program wins.
    Timing ...
    Dr BEEP Dr BEEP July 2002 Sinclair Miscellaneous
  • Short Z80 QuizQ1) Which program gives different result ? A) XOR A ADD A,A B) XOR A ADC A,A C) SCF ADD A,A D) SCF ADC A,A Q2) What is the equivalent of NEG …

    ... /> Q3) Which code is the fastest way program

    A ...
    Dr BEEP Dr BEEP July 2002 Games
  • ZX Spin 0.4 available for Download.Standard Cut-n-Paste from the CSS post: If all goes well, I'll upload it to WOS on monday. ----------------------------------------- Okay, it's th…

    ... - it's quite possibly the fastest non-flashloading system in any ...
    Dunny Dunny November 2002 Emulators
  • Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…

    ... one pixel scroll with:
    ... rl (hl)/dec hl ...
    and ...
    rtunes rtunes March 2003 Sinclair Miscellaneous
<1234567…34>

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  • fastest emulationhi there<br /> <br /> as i got a hold of an old 486 laptop, i need to know:<br /> <br /> which is the fastest dos emulator?<br /> does any emulator u…
  • fastest emulationhi there<br /> <br /> as i got a hold of an old 486 laptop, i need to know:<br /> <br /> which is the fastest dos emulator?<br /> does any emulator u…
  • Fastest way to write something to screen$Hi,<br /> <br /> I just got pasmo.exe and start playing with attr scrolling, well, not scrolling, just write different values to a block and see if I…
  • Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384)<br /> <br /> I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory.<br /> <…
  • Madness or inaccurate docs: RR r/RL r?According to the Z80 User's Manual, the instruction RR r/RL r should rotate the carry flag into bit 0 or bit 7 of the register in question (bit 0 or …
  • Fastest Baud Rate On A Loader ?Following on (sort of!) from the thread about the best loading....<br /> <br /> Which game(s) had the fastest (highest baud rate) ?<br /> <br /> I se…
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