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Search Again :: Adv Search 1000 results in 0.049s
<1…11121314151617…34>
  • Bit 3 And Bit 5 Of The Flag RegisterHi, I know that bits 3 and 5 are "undocumented" but does anyone know where I can find data on how they are handled? For instance, it would seem th…

    ... sets bit 3 of the flags register to the same value ...
    BloodBaz BloodBaz July 2008 Emulators
  • RET cc QuestionHi, I'm trying to emulate the RET cc instruction at the moment but I'm not sure what the following 2 conditions are: RET P RET M When are these co…

    RET M - When bit 7 of Flags register is 0

    RET P - When bit 7 of Flags register is 1
    rich_chandler rich_chandler July 2008 Emulators
  • RET cc QuestionHi, I'm trying to emulate the RET cc instruction at the moment but I'm not sure what the following 2 conditions are: RET P RET M When are these co…

    ... M - When bit 7 of Flags register is 0

    Flags register is 1[/QUOTE]
    MadDoc MadDoc July 2008 Emulators
  • InterruptsI need help emulating interrupts. My z80 core currently emulates all un-prefixed opcodes and the CB opcodes. I thought I would start on emulating co…

    ... implement the IFF1 and IFF2 flags to get the correct NMI ...
    Alcoholics Anonymous Alcoholics Anonymous July 2008 Emulators
  • 16-Bit Binary MathsHi, I'm trying to figure a few things out regarding 16-bit maths (SBC HL, ss in particular). regHL is an UInt16 (unsigned 16-bit integer) in my emu…

    ... tables to sort out the flags. It's a rather nifty ...
    rich_chandler rich_chandler July 2008 Emulators
  • *The* Sinclair Knowledge baseOk, get ready for a long post. :p Let's consider a few facts: -The WOS ftp has thousands of important files, but it can be difficult to find what w…

    ... /wiki/Z80#Additional%20information]undocumented flags after SCF and CCF[/url ...
    Philip Kendall Philip Kendall August 2008 Sinclair Miscellaneous
  • There are several brothels in my townI don't use them. But, I'd be a damned sight more likely to go there, than I would "flirty texting" or dial a ?1.50 a minute phone sex line. What is …

    ... met a girl once who reckoned she had such an extrodinary ...
    mile mile August 2008 Chit chat
  • 'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…

    ... I couldn't get that flags thing to work for some ...
    def chris def chris August 2008 Sinclair Miscellaneous
  • 'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…

    ... I couldn't get that flags thing to work for some ...
    Geoff Geoff August 2008 Sinclair Miscellaneous
  • Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…

    ... addr. This involves setting the flags to reflect the value of ... . This doesn't affect the flags and is effectively converted into ...
    Jimmy Jimmy August 2008 Development
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... />
    You could push the flags and pop them back, but ...
    Dr BEEP Dr BEEP August 2008 Sinclair Miscellaneous
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... use:
    [code]
    f' = flags N Z C
    a ...
    Dr BEEP Dr BEEP August 2008 Sinclair Miscellaneous
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... /> [quote]You could push the flags and pop them back, but ... T/B/D/I processor flags, with bit 4 for B ... sets both B and T flags so it's not restoring ...
    obo obo August 2008 Sinclair Miscellaneous
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... way of storing the 6502 flags (which the 6502 alters quite ...
    Jimmy Jimmy August 2008 Sinclair Miscellaneous
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... either accumulator or N/Z flags meant an extra EX AF ...
    obo obo August 2008 Sinclair Miscellaneous
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... either accumulator or N/Z flags meant an extra EX AF ... ' holds S. I keep my flags in C' so testing on ...
    Dr BEEP Dr BEEP August 2008 Sinclair Miscellaneous
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... idea for storing the 6502 flags, but I need to free ...
    Jimmy Jimmy August 2008 Sinclair Miscellaneous
  • VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…

    ... idea for storing the 6502 flags, but I need to free ... /> I have set all other flags than N Z C in ... />
    [code]
    ld a,(flags)
    and $40
    [/code ...
    Dr BEEP Dr BEEP September 2008 Sinclair Miscellaneous
  • which is the best?Hello, Since RealX is not coming out in the near times (realSpectrum was my favorite emulator) Can anyone point me a good one to replace it??? Som…

    ... excluding here: anything involving undocumented flags after SCF/CCF (as we ... know how that works), undocumented flags after BIT (n),HL (as ...
    Philip Kendall Philip Kendall September 2008 Emulators
  • which is the best?Hello, Since RealX is not coming out in the near times (realSpectrum was my favorite emulator) Can anyone point me a good one to replace it??? Som…

    ... excluding here: anything involving undocumented flags after SCF/CCF (as we ... know how that works), undocumented flags after [B]BIT (n),HL ...
    Dr BEEP Dr BEEP September 2008 Emulators
  • Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…

    ... usage of some Flag register flags that weren't well understood ...
    Dunny Dunny September 2008 Emulators
  • Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…

    [QUOTE=Dunny;302899]No, but we now know a very great deal about the internals. I'd challenge anyone to write a program that runs differently on the real thing than on say, SpecEMU[/QUOTE]

    Easy. Undocumented flags after SCF/CCF.
    Philip Kendall Philip Kendall September 2008 Emulators
  • Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…

    ... =Philip Kendall;302902]Easy. Undocumented flags after SCF/CCF.[/quote]
    flags behaviour running the same code ...
    Woody Woody September 2008 Emulators
  • Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…

    ... =Philip Kendall;302902]Easy. Undocumented flags after SCF/CCF.[/quote]
    flags' settings, or am I missing ...
    ewgf ewgf September 2008 Emulators
  • Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…

    ... these operations and record the flags' settings, or am I missing ...
    Woody Woody September 2008 Emulators
  • Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…

    ... =0009408]Sabre Wulf[/url]: undocumented flags
    [*][url=http://www.worldofspectrum ...
    Philip Kendall Philip Kendall September 2008 Emulators
  • Peter Moore ( Xbox boss ) says Chris and Tim Stamper are rubbish ( apparantly )[url]http://www.mcvuk.com/news/31795/Peter-Moore-Rare-is-not-applicable-in-todays-market[/url] By that he means they didn't follow the heard and do …

    ... latest game, Haze, is generally reckoned to be a bit cack ...
    StuBruise StuBruise September 2008 Chit chat
  • Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…

    ... =0009408]Sabre Wulf[/url]: undocumented flags
    [*][url=http://www.worldofspectrum ...
    chop983 chop983 September 2008 Emulators
  • Holy Moly!!!!.....Jesus Christ!! [url]http://uk.youtube.com/watch?v=j6tX0cg6sP4[/url] It wouldnt be a "RubberKeys" post without "em" LOL :-P:-P:-P

    Maybe would've found it amusing if it wasn't a sob story. Not like that nasty chippy munter you keep posting up.

    You know the one I mean her who shamelessly flags her mutant torpedoes at the chip buying public.
    dm_boozefreek dm_boozefreek October 2008 Chit chat
  • Holy Moly!!!!.....Jesus Christ!! [url]http://uk.youtube.com/watch?v=j6tX0cg6sP4[/url] It wouldnt be a "RubberKeys" post without "em" LOL :-P:-P:-P

    ... I mean her who shamelessly flags her mutant torpedoes at the ...
    ToxieDogg ToxieDogg October 2008 Chit chat
<1…11121314151617…34>

Latest Posts

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