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  • Standard Development LibrariesSo after some time away I decided to re-register after a Twitter thread (https://twitter.com/SpectrumNez/status/1578158361236963328) led me to a Visu…

    ... away I decided to re-register after a Twitter thread (https ... manner for other things like AY ports and paging layouts and ... BASIC ROM or using the AY or +3DOS I am not ...
    deusexmachina deusexmachina October 2022 Assembler
  • Exact emulation of the Snow effectAs the original post on another forum is outdated, and for those who don't know about that forum, I duplicate this info here: At the beginning of …

    ... conditions, the bits 6..0 of the register R are picked ... up in the bits 6 ... machines snow appears if register I contains a value ... contents of the bits 6..0 of register R (it ... it in addresses $8000… $BFFF (register I within $80… $BF) ...
    weiv weiv October 2022 Emulators
  • Emulator compatibility with real SpectrumHi emulator programmers... Having spotted for the last 6 months that my iPAQ is still missing a Spectrum emulator I started typing last tuesday - an…

    Hmmm... must actually write referenced footnotes:

    [1] The P/V flag after the repeated IN/OUT instructions and the `hidden register' used to get bits 3 and 5 of F after the BIT instructions.
    Philip Kendall Philip Kendall September 2001 Emulators
  • About spectrum emulator on the dreamcastNeed help on the dreamspec emulator too work on the dreamcast. Do you need a boot disk too play cd-r games on it.

    ... the net but unless you register it your limited to 1x ... directories up and to load select the game and press enter ...
    Anonymous Anonymous February 2002 Emulators
  • How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…

    ... or 1), with 2 bits you can store upto 4 ... standard length of bits (binary digits) 8 bits long. This means ... an effective binary number 16 bits in length. If you ... can see that the second register of a pair stores ... bits you'll see that each bit in a single register ...
    cyborg cyborg January 2002 Games
  • denied gamesI to am guilty of sending denied games by email to other spec chums who are new to the emu scene,spesh ultimate games as they are some of the best an…

    ... software company had to re-register copyright
    every ten years ... used to play with 2 bits of paper stuck on the ...
    ewgf ewgf October 2001 Games
  • what were your most..................what were your most memoriable times of the zx spectrum and why? :) octave

    ... Scorpion. I hit F6 and select doomlev1 as the image. Write ... can't get it to register.
    Spector Spector April 2002 Sinclair Miscellaneous
  • ANN: Spectaculator 2.5 available for downloadHi. I've just released a new version of Spectaculator, available from [url="http://www.spectaculator.com/"]http://www.spectaculator.com/[/url]. Hopef…

    ... /> I can drop SPIN's AY code in your inbox if ... bunch of CSS posts re: register 15, I should be able ...
    Jon Needle Jon Needle July 2002 Emulators
  • TZX to TAPIs there an application for the mac which will convert TZX files to TAP? I've searched around but can't find any.

    ... listing, SCR files, DATA blocks, AY sound (if you can find ... to examine and possible hack bits of code.

    [quote ...
    Andrew Barker Andrew Barker July 2002 MIA/STP/SDP
  • Spectrum musichello, I was wondering if anyone had released some kind of music sequencing software for the spectrum? if so, can anyone point me in a direction of …

    ... ). Using the value of some register to "modify" a previously generated ... OPL chip): I think the AY was from yamaha too, right ...
    Alessandro Tommasi Alessandro Tommasi October 2002 Games
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…

    ... put data for the beeper/Ay chip. Are there specific ... addresses for the Ay registers or does this ... space. The 128's AY chip is mapped to ... addresses to access the AY chip, it must be ... /> IX = 16 bit index register, secondary 16 bit accumulator
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…

    ... put data for the beeper/Ay chip. Are there specific ... addresses for the Ay registers or does this ... space. The 128's AY chip is mapped to ... addresses to access the AY chip, it must be ... /> IX = 16 bit index register, secondary 16 bit accumulator
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Basic and AY musicis it possible to play an ay-music in background while a basic program is running?

    ... /> ; IM2 routine will use I register to look at table at ... important registers
    CALL AYPLAYER ; AY player
    POP HL
    AY data so there's no ... of the RAM place your AY routine to fit snuggly to ...
    cyborg cyborg January 2003 Sinclair Basic
  • Basic and AY musicis it possible to play an ay-music in background while a basic program is running?

    ... you were intending on providing AY music support through a player ... from DATA statements for example - select various line numbers for each ...
    cyborg cyborg January 2003 Sinclair Basic
  • The Spectrum and it's rivals...This has no doubt been posted and debated many times before, across hundreds of messages boards and across hundreds of playgrounds before that, but h…

    For me the AY held it's own against ... C64 ) but of the 8-bits Crystal Kingdom Dizzy wins on ...
    Amigo Amigo January 2003 Sinclair Miscellaneous
  • Question on 8-bit, 16-bit, 32-bit...Hello, Sorry, this is probably a really dumb question(and something I should know by now :)). I tried doing some searches about this but came up only…

    ... (= 2K) and some other bits to select memorybanks. If you search for ...
    Dr BEEP Dr BEEP January 2003 Sinclair Miscellaneous
  • Anyone familiar with ZEXALLZEXALL is a Z80 exerciser, and there's a build for the Spectrum. But oddly, it doesn't actually work on any of the emulators that I've tried. Exactly…

    Also, you will notice that all (all that I checked anyway) of the flag masks are set to 0xFF, so the 3/5 bits of the F register should be checked... ;)

    [ This Message was edited by: thehive on 2003-04-02 16:35 ]
    thehive thehive April 2003 Emulators
  • Spectrum v Amiga : The Final starts.The final has begun, just in case you didn't know. The old Speccy is getting a bit of a kicking at the moment, so get those votes in!

    ... combine the beeper and underrated AY and demonstrate fantastic music/ ... in the right hands the AY can hold its own ... my choice, for the 8 bits Spectrum is my choice. the ... at least to other 8 bits, that would have been a ... almost makes me ashamd to ay i use an Amiga ...
    Amigo Amigo April 2003 Games
  • TZX compatibility issuesI seem to have a problem with using TZX files on different emulators. Specifically, files Saved As TZX from emulator. I better explain: I have a fe…

    ... tape a counter in a register is typically reset to a ... matters is the time between bits on the tape and that ...
    Woody Woody May 2003 Emulators
  • Tales of hate and despair in 8-bitsThis topic seeks to shed some light on one of the most obscure questions a spectrum user can ask. Why do we hate Commodore?

    ... performance relative to other 8 bits, had one virtue: its price ... peripherals of all other 8 bits on the market. They looked ... of the Spectrum had an AY chip, joystick connectors, a cartridge ...
    Alcoholics Anonymous Alcoholics Anonymous May 2003 Sinclair Miscellaneous
  • Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…

    ... ]
    AGAIN LD A,00000000% Select all rows, every 1 is ...
    AND 31 Just select 5 bits from the IN
    JR ...
    Dr BEEP Dr BEEP June 2003 Sinclair Miscellaneous
  • Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…

    ... 5. The top 8 bits during a 16-bit port ... in. The bottom 5 bits of the data read tell ... offhand, but the bottom 5 bits will correspond to 5 keys ... put it in the BC register pair. This code does the ... file address in binary (16 bits):

    010B BSSS ...
    Alcoholics Anonymous Alcoholics Anonymous June 2003 Sinclair Miscellaneous
  • NEW DEMO for ZX 48 + AY :)Hi there. First stuff from SYNDEECATE zx-party is ours of course. ;) [url="http://republika.pl/hooyprogram/sailor.zip"]http://republika.pl/hooyprog…

    ... -ish, that's what the AY is best at, if it ... AY, and there is a remix of one of my favorite bits ... complex noises out of the AY, sacrificing visual content and melody ...
    b00mzi11a b00mzi11a July 2003 Sinclair Miscellaneous
  • NEW DEMO for ZX 48 + AY :)Hi there. First stuff from SYNDEECATE zx-party is ours of course. ;) [url="http://republika.pl/hooyprogram/sailor.zip"]http://republika.pl/hooyprog…

    ... AY, and there is a remix of one of my favorite bits ... complex noises out of the AY, sacrificing visual content and ... again :) i think the AY is highly underrated. i have ... heard some AY music that souds fantastic. ... that scream. no, the AY can do more than ...
    Amigo Amigo July 2003 Sinclair Miscellaneous
  • Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…

    ... frequency.

    The AY can play samples.
    < ... br /> The AY can also generate a sound ... of the two beeper bits sent to port FE.< ... in many games along with AY - Midnight Resistance springs to ...
    Put simply the AY has little CPU overhead if ...
    cyborg cyborg July 2003 Games
  • Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…

    ...
    as 23296 5B00H. Hmmm...bits of data soon after 23296 ... will be in the D register above and will be ANDed ...
    BadBeard BadBeard August 2003 Sinclair Miscellaneous
  • Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…

    ... html[/url]

    then select Sinclair Infoseek and type genie ... Start up Spin emulator and select View/Options/Peripherals and place ...
    ii) On Spin emulator select Open a File (yellow folder ... do is use the A-Register (Accumulator) to control the ' ...
    BadBeard BadBeard August 2003 Sinclair Miscellaneous
  • YM effects on Atari ST reproducable on Speccy?From the YM music format site: "SID-Voice SID-Voice is a great sound trick on the ATARI, because of low CPU consuming and great sound effects. It …

    ... 't AY and YM almost identical? I thought every register was the ... around whilst keeping your 200hz AY refreshing.
    Intriguing :D
    b00mzi11a b00mzi11a September 2003 Sinclair Miscellaneous
  • YM effects on Atari ST reproducable on Speccy?From the YM music format site: "SID-Voice SID-Voice is a great sound trick on the ATARI, because of low CPU consuming and great sound effects. It …

    ... some envelope modifiers to the AY. I've also been expermenting ... I'm just loading the AY registers up, and modifying 'em ... and write it to the AY registers, but after this I ... is loading the wave-shape register for one channel based on ...
    b00mzi11a b00mzi11a September 2003 Sinclair Miscellaneous
  • Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…

    ... repetitively changes the wave-shape register in a certain order - usually ... proper (well better than the AY :) Square Wave and then mixes ... that with one or more AY channels. Most of his other ...
    b00mzi11a b00mzi11a September 2003 Development
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