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  • BORAT!! Cultural Learnings of America for Make Benefit Glorious Country KazakhstanAny body seen this film yet??? It easy to see why it got the Kazakh's backs up!! It starts off very funny then tales of very badly towards the en…

    ... />
    One of the funniest bits for me is the 'easter ... G DVD's. If you select the logo (I think its ...
    psj3809 psj3809 November 2006 Chit chat
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... whine) or by using the AY chip (this will give 4 ... the nonlinear nature of the AY output is taken into account ... cursor to "LOAD SONG" and select it with the space key ... "LOAD SAMPLE") and select with space. Then select "PLAY". Sample tracker plays ...
    Alcoholics Anonymous Alcoholics Anonymous December 2006 Games
  • Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …

    ... is passed in the HL register.

    This just concerns ... data bus is only 8 bits wide. However, the z80 is ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... (zero) and that two "val" bits select ROM page.

    or ... , consider the "ext" bits defined as one extension with ... it's clear that defining bits this way is pretty scalable ...
    zilog zilog January 2007 Development
  • Well I'm excited, but I guess you might not beHehe this is as far as I got today, a silly little border program: [PHP] ORG 32768 PROGGY: LD C,255 ; We loo…

    ... />
    DJNZ ... decrements the B register, and jumps if not zero ... port 254, Border colour uses bits 0,1,2 and 5 ...
    Quazar Quazar February 2007 Development
  • Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…

    ... error there :-) ). Then select PLAY to hear the AY chip rendition, which ... from a Philips machine and AY chip playing 8-bit sampled ... 7-bit audio on the AY chip, but only toyed. You ...
    Alcoholics Anonymous Alcoholics Anonymous February 2007 Development
  • The 150 pound home computerWe missing out on this still ... I think. I know the PC market has wrecked all chance for any alternatives to ever have a hope but ... what if. :lol:…

    ... identically* and the other where register pairs *only* are 24-bit ... are still 8 bit but register pairs BC, DE, HL, PC ... data bus is still 8 bits wide so in the new ...
    Alcoholics Anonymous Alcoholics Anonymous February 2007 Sinclair Miscellaneous
  • The 150 pound home computerWe missing out on this still ... I think. I know the PC market has wrecked all chance for any alternatives to ever have a hope but ... what if. :lol:…

    ... identically* and the other where register pairs *only* are 24-bit ... are still 8 bit but register pairs BC, DE, HL, PC ... data bus is still 8 bits wide so in the new ...
    JamesD JamesD February 2007 Sinclair Miscellaneous
  • C64's SID music on ZX - the demo is HERE!!I'm proud to announce, that two great persons from Central Europe - Poke & Omega - have made something really important for Spectrum world. Now ZX …

    ... hear it. If you then select "SAVE SAMPLES WITH PLAY ROUTINE ... to play it through the AY or the beeper in your ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Sinclair Miscellaneous
  • My emulator doesn't take "commands"Hi This is probably a question that is very hard to answer, but perhaps some of you have/had the same problem. In my own emulator (that I have built)…

    ... 5018.
    [/QUOTE]

    Bits 3 and 5 have undocumented ... z80 versions, the internal memptr register and how it affects flags ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Emulators
  • Help make Retro Gamer greatI'm more than happy with the articles that are now appearing in Retro Gamer, but I want it to become far more of a hub for the retro community than i…

    ... of pretty much all 8-bits even the 48K Spectrum's ... in to emulate with an AY chip. They're just not ... for these mods when the AY or POKEY, both easier to ...
    Matt_B Matt_B March 2007 Games
  • Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …

    ... just decodes the 16 address bits and -RD. And I'm ... binary. That yields 9 bits set and 7 bits reset. The hardware ... both drive the uSource chip select line and disable the -ROMCS ...
    Marcelo Marcelo March 2007 Emulators
  • Help make Retro Gamer greatI'm more than happy with the articles that are now appearing in Retro Gamer, but I want it to become far more of a hub for the retro community than i…

    ... of pretty much all 8-bits even the 48K Spectrum's ... when both the POKEY and AY were [i]far[/i] more ...
    TMR TMR March 2007 Games
  • Help make Retro Gamer greatI'm more than happy with the articles that are now appearing in Retro Gamer, but I want it to become far more of a hub for the retro community than i…

    ... four channel music with an AY chip.

    [QUOTE][ ... /> As for the Atari 8-bits, they already have a Commodore ... when both the POKEY and AY were [i]far[/i] ... were hardly restricted to SID, AY and POKEY. In the ... owned a Spectrum with an AY chip, so I tend ...
    Matt_B Matt_B March 2007 Games
  • Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …

    ... the paging!
    The bx register holds the Z80's PC ... dangerous for uSource to ignore bits (as each bit not regarded ...
    BloodBaz BloodBaz March 2007 Emulators
  • Adding AY music to your plogramI'd like to add some nice tune to my program written in machine code. I am not new to assembler programming but with music programming I have no expe…

    ... something simpler you could try AY Tracker (use the tap version ... white noise.

    The AY chip is just a support ... light gun too - the 14th register if memory serves.
    jonathan jonathan March 2007 Development
  • My emulator doesn't take "commands"Hi This is probably a question that is very hard to answer, but perhaps some of you have/had the same problem. In my own emulator (that I have built)…

    ... problems with the high bits of the flag register. Using a proportional ... /> Anyway, Fuse certainly just copies bits 3 and 5 from the ... FAQ which says that these bits come from MEMPTR (which Fuse ...
    Philip Kendall Philip Kendall March 2007 Emulators
  • TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…

    ... - whatever is doing the chip select for the upper 32K is ... where to start when replacing bits on a Speccy (if you ...
    Winston Winston March 2007 Hardware
  • Adding AY music to your plogramI'd like to add some nice tune to my program written in machine code. I am not new to assembler programming but with music programming I have no expe…

    ... they will be as the AY clocks are slightly different but ... list the 16-bit tone register value for one octave's ... more compact than reading off register values from a big table ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Development
  • TommyGun 0.9.x updates** Should be available via the utilities page soon! Please be patient :-) ** I'll be posting all future updates in this thread, instead of creating …

    ... )
    sprite overwrites these attr bits:
    00000000
    \ ... the outline (ie set bits indicate the portions of ... specific bits is good enough. Set bits indicate what bits the ... 'd be able to select a unique attr_mask for ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Development
  • It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …

    ... 11 of the memory page select register's chip socket was defective ...
    dtl dtl April 2007 Hardware
  • It's fitting...... that in the very month that the 25th anniversary of the Speccy falls on, I'm just finishing up making my first ever Spectrum peripheral. It's a …

    ... /XNOR gates as needed;
    Ay o--\\ \ | one per address plus ... +--\ \
    +-\ \ | |-------o MicroSource ROM Chip Select
    | |----------/__/
    MREQ o ... , [B]Ax[/B] and [B]Ay[/B], are just samples. In ...
    Marcelo Marcelo April 2007 Hardware
  • My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…

    ... and 0xC7 ;clean paper bits of original attribute
    ... functions and worry about register allocation problems outside later ... $08 ; subtract one from bits 5:3
    ld ... br /> dec c ; decrease bits 2:0
    ret
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Development
  • My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…

    ... XX to clean the possible bits inserted by the carry if ... you know what those extra bits are and can use them ... loop or shifts by several bits are required, you can almost ... benefit by getting the "A" register involved. Or lookup tables, as ...
    Alcoholics Anonymous Alcoholics Anonymous April 2007 Development
  • My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…

    ... setting and reseting some bits of D register. For example:
    [code ... ]
    ; using IX register
    ADD A,TABLE> ...
    omega omega April 2007 Development
  • WOS, Martijn and Google.Martijn, Ran across an interesting article the other day about Google's cache paging and how a surfer can access part of WOS that is redundant. Out…

    ... in various forums, you can select the cached page and read ... those forums, but if you select the normal link to the ... to a page with "please register first to read e.t ...
    Hedegaard Hedegaard April 2007 Chit chat
  • Anybody fancy coding this?blah de blah de blah Please ignore, poting error.

    ... /> This is because when you select a memory address, say, 16384 ... that I have flips adjacent bits when you set memory. So ... all memory, then setting alternate bits to 1, and checking the ...
    Winston Winston April 2007 Development
  • Is Ferranti still alive ?And if not......why should there be any restrictions on manufacturing the ULA ?

    ... to do the memory chip select logic (or even just some ... can page in the other bits of the ROM too rather ...
    Winston Winston May 2007 Sinclair Miscellaneous
  • Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…

    ... #40...#7F values in I register, nothing breaks. In fact it ... port) and Pentagon-512 modification (bits 6 and 7 of #7FFD ...
    Sonic Sonic May 2007 Hardware
  • Vote for the change of TZX formatThere is an ongoing discussion on the proposal of Patrik Rat to change the current TZX format specification to one that is simpler to implement for e…

    ... about which register to use for gathering the loaded bits and how ...
    Patrik Rak Patrik Rak May 2007 Emulators
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

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