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<1234567…34>
  • Help pleeease "Proving Emulator OpCode flags are correct"So I had a cunning plan... I wanted to write a test harness for Emulators that could "prove" that all opcode flags were correct. I wanted something m…

    ... could "prove" that all opcode flags were correct. I wanted something ... //dAddr
    PUSH BC
    POP AF
    ADC A,D ...
    PUSH AF
    POP DE
    LD (HL),D ...
    Korinel Korinel April 2012 Emulators
  • Pop star game ?Anyone know the name of this game ? It doesnt seem to be the Pop Star game in the archive It must have been a very old game as the graphics were te…

    ... doesnt seem to be the Pop Star game in the archive ...
    psj3809 psj3809 September 2003 Games
  • Wanted Software to Swap for Rom Carts ;)Wot I have for grabs is 4 Complete ROM Carts which I will swap for my wants below Horace [url="http://www.cornishdavey.dsl.pipex.com/4.jpg"]http://w…

    ... Basketball
    Mike Read's Pop Quiz
    Movie Premiere Compilation ... /> Strike Attack 2
    World Flags

    Mirrorsoft
    Ancient ...
    Cornishdavey:)) Cornishdavey:)) February 2004 Wanted
  • Help with Christmas Pop songs in German Spanish and ItallianI am organinsing a Christmas party for a rock climbing club wich I help run... our club includes German, Spanish and Itallian members I was wondering…

    I am organinsing a Christmas party for a rock climbing club wich I help run... our club includes German, Spanish and Itallian members I was wondering if anyone of you knew any good christmas pop songs in those languages?

    Andrew.
    Scottie_uk Scottie_uk December 2006 Chit chat
  • "A pop up window was blocked"But I don't want it blocked, and even though when I go into Tools and make sure "Turn Off Pop Up Blocker" is selected, it blocks a pop up that is act…

    But I don't want it blocked, and even though when I go into Tools and make sure "Turn Off Pop Up Blocker" is selected, it blocks a pop up that is actually a link I want. What the f--- do I do here? I'm so frustrated by this shit.
    Spector Spector October 2007 Chit chat
  • Funny Pop/Rockstar -Band NamesI am creating a programming tutorial for students this week and am going to utilise an array holding the names of Pop stars. Now, I need your help i…

    ... array holding the names of Pop stars.

    Now, I ...
    Scottie_uk Scottie_uk April 2008 Chit chat
  • Literal PopThis is genius. You know how 1980s pop songs always had videos that had nothing to do with the song? Well, what if they sang about what was happening…

    ... genius. You know how 1980s pop songs always had videos that ...
    gasman gasman October 2008 Chit chat
  • How do I manually BLOCK pop-ups in Ff?I'm using Ff 3.0.15 When I go Tools -> Options -> Content -> Block pop-up windows -> Exceptions it only allows me to type in sites I want to ALLOW .…

    ... ; Options -> Content -> Block pop-up windows -> Exceptions it ... called "[I][B]Block[/B] pop-up windows[/I]" then?Argh ... manually BLOCK sites from using pop-ups? (aside from clicking on ...
    ZnorXman ZnorXman November 2009 Chit chat
  • Help :) (FLAGS)ok a question about the 8080 so if anybody can help me. do the flags only change for the accumulator or are they affected for the other registers a…

    ok a question about the 8080 so if anybody can help me.


    do the flags only change for the accumulator or are they affected for the other registers as well

    because if you inc b the flags are affected....why?
    ASH-II ASH-II November 2010 Sinclair Miscellaneous
  • A fast DRAW routineI was investigating how to speed up the line drawing for the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20225"]BASIC compiler[/URL]…

    ... ; Restores B' from D'
    pop de ; D'E' = y2, ... on F'
    scf ; which flags ATTR must be updated
    scf ; which flags ATTR must be updated

    pop de
    pop hl

    LOCAL ...
    boriel boriel December 2010 Development
  • Push/Pop data copyingWe all know that stack pointer cheese and push/pop is faster to move data than LDIR - which in turn is slower than unrolled LDI's anyway. I rewrote …

    ... stack pointer cheese and push/pop is faster to move data ... 's fourspriter to use push/pop, but copying a four character ... takes three cycles of push/pop.

    What's the ...
    Gedlion Gedlion March 2011 Development
  • 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…

    ... it only changes the Flags register so I couldn't ... ;stack 1st variable
    pop af ;A =$00->$ ... C =2nd variable
    pop af ;A =$00->$0E ... ;A =1st variable
    pop bc ;C =2nd variable (if ...
    Battle Bunny Battle Bunny October 2011 Sinclair Basic
  • Indirect Variable AssignmentHere's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in var…

    Here's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in variables (or expressions which evaluate to variables). Some of this can already be done with VAL or VAL$, ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • 28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…

    ... screen update period affects the flags.
    [*]You could set up ... /> POP HL
    POP DE
    POP BC
    exx
    POP HL
    POP ... DE
    POP ...
    AMW AMW April 2012 Development
  • Pop 50s, 60s, 70s 80s, 90s and 00sI was thinking about pop and thinking that the 80s was the last decade with a good supply of great pop. I know every decade had its crap pop and the…

    I was thinking about pop and thinking that the ... a good supply of great pop.

    I know ... every decade had its crap pop and the 80's ... number of great and memorable pop tunes declined never matching ... and as a result great pop with very high production ...
    Scottie_uk Scottie_uk May 2012 Chit chat
  • Jelly-Vision!As threatened in the "'Spectrum Play' Error" thread, here's a ruff'n'reddy interrupt driven full screen wobbling routine which has no practical use w…

    ...
    bit 1,(iy+1) ;FLAGS printer in use?
    jr ... /> MOVEDONE: pop de
    pop bc
    INSCROLL: pop hl
    NOWOBBLE: pop af ...
    Battle Bunny Battle Bunny June 2012 Sinclair Basic
  • multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…

    Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width is
    Battle Bunny Battle Bunny October 2012 Sinclair Basic
  • giant pop-up text?!Since I installed Explorer 8 and Firefox 15 the text in the Infoseek pop-up suggestions box has gone ginormous. I was sure that with the earlier vers…

    ... the text in the Infoseek pop-up suggestions box has gone ... with the earlier versions the pop-up text was the same ...
    Battle Bunny Battle Bunny October 2012 Infoseek database
  • Compiling Lisp to Z80.I am doing some thought experiments on this. Here is an example of a Lisp program. It adds two numbers together. [code] (define (add x y) (if (= …

    ... /> [code]
    ADD:
    pop a
    pop b
    [/code]
    pop b" instruction to the beginning ... the cp $00, because the flags set when popping a will ...
    wilsonsamm wilsonsamm January 2013 Chit chat
  • Trouble with rainbow effect push/popI'm having a bit of bother getting my rainbow graphics to behave themselves. Basically I want a rainbow effect to last for say 4 seconds before movi…

    ... if I omit push and pop bc the thing goes into ... flash
    call flash2
    ;pop bc
    ei
    djnz ...
    daveysludge daveysludge June 2013 Development
  • "DIGI POP" program: more digital music on ZX48 (no AY!)[img]http://mister_beep.republika.pl/digipop_demo.png[/img] DOWNLOAD: [url]http://mister_beep.republika.pl/Digi_pop.zip[/url] This is a 1-bit / BE…

    ... that there is too few pop-song
    for BEEPER. So ... .2014.

    Title: DIGI POP

    Music and gfx ...
    Mister Beep Mister Beep February 2014 Brand new software
  • Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…

    ... if I understand push and pop when it comes to using ... AF
    call addfunc
    pop af

    LD (16386 ... ),A

    addfunc:
    pop af
    LD (16384),A ...
    LD B,A
    pop af
    LD (16385),A ...
    slenkar slenkar April 2016 Development
  • Mastering flagsI'm little lost when different flags are set/reset after logic operations, and what conditions must be met. For example, [code] ld a, MODE…

    ... 'm little lost when different flags are set/reset after logic ...
    Bedazzle Bedazzle September 2016 Development
  • How are LAST-K and FLAGS set on a Real Spectrum?Hi, I'm writing a Spectrum emulator and I've got Horace and the Spiders working (with the wrong colours and no sound) but when I boot into ROM non…

    ... ROM uses bit 5 of FLAGS and LAST-K to work ... far as I can tell, FLAGS and LAST-K aren't ...
    garethadams garethadams January 2019 Emulators
  • Shadow of the UnicornI've written a program to run Shadow of the Unicorn on a +2A/+3. Is there anywhere it can be put to be available to anyone wanting to play the game?…

    ... ; this will set all needed flags to zero ????


    PUSH HL
    POP AF

    If you ... just POP values from the stack your ...
    Dr BEEP Dr BEEP December 2001 Games
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    ... (HL),0 ;Reset Collision Detection Flags

    LD A,(IX ... ;for next sprite
    POP DE

    POP BC
    DJNZ ... )
    RET

    RETURN POP BC
    LD A,9 ...
    dmsmith dmsmith August 2004 Development
<1234567…34>

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  • Pop star game ?Anyone know the name of this game ? It doesnt seem to be the Pop Star game in the archive<br /> <br /> It must have been a very old game as the grap…
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  • "A pop up window was blocked"But I don't want it blocked, and even though when I go into Tools and make sure "Turn Off Pop Up Blocker" is selected, it blocks a pop up that is act…
  • Funny Pop/Rockstar -Band NamesI am creating a programming tutorial for students this week and am going to utilise an array holding the names of Pop stars.<br /> <br /> Now, I need…
  • Literal PopThis is genius. You know how 1980s pop songs always had videos that had nothing to do with the song? Well, what if they sang about what was happening…
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  • How do I manually BLOCK pop-ups in Ff?I'm using Ff 3.0.15<br /> <br /> When I go Tools -&gt; Options -&gt; Content -&gt; Block pop-up windows -&gt; Exceptions it only allows me to type in…

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