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<1234567…34>
  • No AY sound from online emulatorsI've writing an app that makes sound using the AY. I have a simple update mechanism that works like this: 1. During a frame, I write values to a b…

    ... that makes sound using the AY. I have a simple update ... of memory that mirrors the AY eegister layout (ay_regs)
    2 ... , copy that to the actual AY registers (do_update_ay)

    Now ... /> ld b,HIGH(AYDATA)
    out (c),e
    inc hl ...
    evilpaul evilpaul June 2020 Development
  • 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…

    ... the AY do not access memory - you have you use OUT to ... are AY chip registers. You access this registers using OUT with ports, FFFD ... control, BFFD data.
    The AY works ... d access the AY is to do an OUT control, register to ...
    cyborg cyborg 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 ... The 128's AY chip is mapped to $FFFD and $BFFD as ... memory addresses to access the AY chip, it must be ... instructions like IN A,(C); OUT (C),A; IN A,($ ...
    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 ... The 128's AY chip is mapped to $FFFD and $BFFD as ... memory addresses to access the AY chip, it must be ... instructions like IN A,(C); OUT (C),A; IN A,($ ...
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • EmuZWin problem!Hello! I'm trying to load Fairlight I into EmuZWin v2.4.004. It don't load at all. I'v tryed several versions of fairlight I and II. Thees files …

    ... ) but it should be fixed out already. And anyway it should ... loading normally. But problems with AY sound, I'll fix it ... games and demos use read AY port to check its presence ... strong port reconision for input (FFFD, but the Robocop uses BDFD ...
    Vladimir Kladov Vladimir Kladov April 2004 Emulators
  • AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…

    ... a, 1 ; 1.7734 Mhz AY (128)
    ld a, 2 ... ; 1.75Mhz AY (Pentagon)
    rla
    and ... DE,#FFBF
    LD BC,#FFFD ; 128 ports
    ld hl ... ,AYREGS
    lout:
    out (c),a
    ; ld C ... /> LD B,E ; 128
    out (c),a
    ret
    chev chev November 2009 Development
  • AY Magic version for ZX81 was bornModified Ay magic ,my previous interface for zx48. On board, ay chip based on Zonx interface but with stereo output and rampack 16 or 32 kilo on boa…

    ... interesting) is actually for an AY clocked at 3.25Mhz/2 ... You will need to comment out / uncomment for machines other than ... + chp_ornptr), hl

    ; select AY tone table
    xor a ... ; 128 ports
    ; ld bc, #fffd ;

    ld hl, ayregs ...
    chev chev May 2011 Hardware
  • Fuller AY only gamesThe definitive list: 1) Demonstration Tape 2) Bodysnatchas 3) Star Bike

    ... Fuller edition to support 128 AY then try the following patch ... the game by changing AY fuller to AY 128
    ld b ... /> push bc
    ld bc,$fffd
    out (c),a
    ld ...
    ld a,(hl)
    out (c),a
    pop bc ...
    Jimmy Jimmy May 2014 Games
  • Where can I get some AY music asm/binary files?Is there an online repository for these types of file that people can download and use on their projects? Seen something similar for MSX (Z80 base…

    ... for MSX (Z80 based AY I think), will those ... The MSX uses an AY-3-8910 compatible sound chip ... ports to access the AY-3-8910 registers, so ... to change the relevant OUT instructions in any playback ... br /> The Spectrum uses $FFFD for Register Select and $BFFD ...
    GReW GReW March 2016 Development
  • Best place to start learning assembly on WOS ?So I'm pretty new at this forum but not the Speccy so my BASIC is pretty good. I can see lots of resources on WOS for doing machine code/assembly but…

    ... (128k memory paging port) / 65533 (AY register port) (***) / 16384 (start ... the hex you are skipping out on the extra understanding ... ) I can still make out certain important characteristics like which ... seeing the AY ports 65533 and 49149 in hex form $fffd and ...
    Alcoholics Anonymous Alcoholics Anonymous October 2016 Development
  • c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…

    ... ,#FFFD
    xor a
    out (c),a ;select AY ... register 0
    ld b,#BF
    out ... an AY
    .AY_found
    out (c),l ;select "AY ... COFD in place of #FFFD either, although that in ...
    Hikaru Hikaru March 2017 Announcements
  • New version: APULIJA-13 V2.0Hello everyone! [i]Apulija-13,[/i] the game that Jonathan Caldwell himself listed among those better showing what you can do with AGD, is back - a…

    ... file DATA2, I can see AY switching routines. On the offset ... /> ld bc,#FFFD
    ld a,254
    out (C),a
    ld bc,#FFFD
    ld a,255
    out (C),a
    AY switching in the code or ...
    Hood Hood February 2018 Brand new software
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... back with the setting the AY registers when B is ...
    part of my own ay routine:
    [code] ld ... br /> xov1 ld bc,$fffd ;10t
    out (c),d ;12t< ... ld b,$bf ; 7t
    out (c),e ;12t
    cp ...
    Paradigm Shifter Paradigm Shifter September 2022 Development
  • AY PlayerI'm working on a frontend DB and would like to include an option that plays Speccy music/fx via AY Player. Does any1 know if there is a .dll that I…

    ... plays Speccy music/fx via AY Player.

    Does any1 ...
    Chris Chris January 2002 Emulators
  • AY player dllDoes any1 know if there is a dll for AY Player as I would love to include this in the DB program I'm working on?

    Does any1 know if there is a dll for AY Player as I would love to include this in the DB program I'm working on?
    Chris Chris November 2001 Emulators
  • AY to MID?I didn't see it in the WOS archive so this is a long shot... Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.

    I didn't see it in the WOS archive so this is a long shot...

    Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.
    Fuzzbucket Fuzzbucket September 2001 Emulators
  • AY in gamesMe interest, whether there is 128k modes and AY a music in the following games for ZX Spectrum?: Codemasters: Mig-29 Soviet Fighter 3D Starfighter …

    ... there is 128k modes and AY a music in the following ...
    Aleksey Aleksey February 2002 Games
  • Problem opening Speccy gameI really want to play Fruit Machine Simulator 2.I have unzipped it onto my PC but when I open it in my emulator.It says it is an unrecognised file ty…

    I really want to play Fruit Machine Simulator 2.I have unzipped it onto my PC but when I open it in my emulator.It says it is an unrecognised file type.Can I sort this out.I think it is an .ay file

    John
    john john December 2001 Games
  • AY to MID?I didn't see it in the WOS archive so this is a long shot... Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.

    I didn't see it in the WOS archive so this is a long shot...

    Anyone know of an AY to MIDI converter. I'd like to post spec game tunes on a site.
    Fuzzbucket Fuzzbucket September 2001 Games
  • OUT sentence.I have a little/big problem. I'm trying to use my Spectrum+ as an alarm device. I want to put TRUE in A6 pin of the SK4 connector ... with an OUT se…

    ... the SK4 connector ... with an OUT sentence.
    I mean, if ...
    Zeraus Zeraus November 2001 Sinclair Miscellaneous
<1234567…34>

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HitBox

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out 128K 166.7K
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