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<1234567…34>
  • Playing AY files on a real Spectrum?Hi all! I wonder if there's any program out there that can playback AY files on a real Spectrum? E.g., something that takes the AY file on a PC, ad…

    ... program out there that can playback AY files on a ... real Spectrum? E.g., something that takes the AY ... file on a ... PC, adds a little ... much detail about the AY file format on ...
    trellis trellis April 2003 Sinclair Miscellaneous
  • Restoring AY registersAfter doing (not still finished) the sna to tap converter, I'm going to try to do the same for 128k snapshots. I've got threee ideas about what to do…

    ...
    [b]1.- Forget about AY:[/b]
    SNA snapshots don ... ).

    AY registers would be "out of sync" in procedures ... between selecting an AY register and writing a value?
    - In ... at address 7805: an out (c),a followed by a ret. I was ...
    Zup Zup April 2018 Development
  • AY-player from Rastan SagaHello. For what ports #3F, #5F in the given fragment of a code are used? They give What effect in sounding? ================================= F4C1 21…

    ... F4CA 32C0F4 [B]ld (F4C0),a[/B]
    F4CD 013FFF [B ... ]
    F4D0 ED51 [B] out (c),d[/B]
    F4D2 0EFD ... ]
    F4D4 ED51 [B]out (c),d[/B]
    F4D6 06BF ... ]
    F4DC ED79 [B]out (c),a[/B]
    F4DE 15 [B ...
    BeeEye BeeEye November 2007 Games
  • converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …

    ... :
    LD BC,32765
    OUT (C),A
    And we can replace ... /> AND 7
    OUT (129),A
    3) disable AY sound
    4 ... info about 1MB memory and AY ports:
    - converted software use ... - games is faster
    - all AY ports can be disables/removed ...
    velesoft velesoft April 2010 Games
  • Is it possible to access the +3 disk drive via m/c in USR0 mode?Is it possible to access the disk drive of the +3 via m/c +3DOS calls when running in USR0 mode? I ask because I'm having an awful lot of trouble ge…

    ... 7
    ld ($5b5c),a
    out (c),a
    ld sp,$9c40 ; ... $f8
    ld ($5b5c),a
    out (c),a
    pop bc
    ... or 7
    ld ($5b5c),a
    out (c),a
    ei ; interrupts should ... $f8
    ld ($5b5c),a
    out (c),a
    ld sp,($9000) ; ...
    cmonkey cmonkey October 2011 Development
  • A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…

    ... /> and 7
    ld c,a ; destination page
    ld ...
    ; destination page is a
    paginar:
    di ... /> ld (BANKM),a ; BANKM is updated
    out (c),a
    ei
    out and save 9 bytes.
    a REM of a given length (to ...
    Zup Zup December 2013 Development
  • The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…

    ... it from numerous sources, including a few members of this forum ... br />
    [code]
    ld a,($5b5c)
    and $f8
    di
    ld ($5b5c),a
    out (c),a
    ei

    ld a,%01001000
    ld ($5800),a
    pop af ...
    Ast_A_Moore Ast_A_Moore February 2018 Development
  • Help With infinite music on 128KHi :) I'm trying to play infinite simple music on 128K , but i don't know what is wrong with the loop I tried this routine but doesn't work I…

    ... some other stuff with the AY ports but nothing worked
    ld bc,$FFFD
    out (c),a
    inc hl
    ld ... )
    ld b,$BF
    out (c),a
    inc hl
    jr ... some other stuff with the AY ports but nothing worked
    maeloterkim maeloterkim July 2019 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…

    ... 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 ... i/o instructions like IN A,(C); OUT (C),A; IN A,($FD), etc.
    ...
    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 ... i/o instructions like IN A,(C); OUT (C),A; IN A,($FD), etc.
    ...
    Anonymous Anonymous November 2002 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…

    ... ANY device at 8000hz on a 3Mhz Z80 you're ... next bit of a sample and do an OUT (FE),A - I would ... the AY you have basically the same deal but with a OUT (C),A for ... br /> So for beeper and AY that's 230 T-States ... only occurent in demos for a reason - as are many, ...
    cyborg cyborg July 2003 Games
  • EmuZWin supports 256 color gamesI am sorry starting new topic, but you see this info is important a bit: new version 2.4 of the EmuZWin is available to download, and it supports 25…

    ... 2004):

    [*] Better AY sound quality. More sound options ... of ROM).
    [-] Some instructions (OUT (C),A, again :( ) compiled in the ... in History button added (a history of positions before Find ... to an address in a text obtained using disassembler ...
    Vladimir Kladov Vladimir Kladov April 2004 Emulators
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... )

    ; 110 -- output to AY
    ; bc' = $fffd
    ; de ... /> exx
    out (c),a ; out 0xbffd, volume A
    exx
    out (c),e ; out 0xfffd, 9 ...
    Alcoholics Anonymous Alcoholics Anonymous April 2004 Sinclair Miscellaneous
  • Analogue BeeperThere's been a discussion on foro.speccy.org about multichannel beeper stuff, and since I had the camera out and the scope set up, I set about demons…

    ... form you can get out of a Speccy (and probably why ... count
    xor a ; output zero
    out (c), a ; out
    .delay1 djnz . ... b, (hl)
    cpl
    out (c), a ; out
    .delay2 djnz .delay2 ; ... circuit is better than the AY or SID for making ...
    Winston Winston January 2009 Development
  • Tinkering with Quique Llar?a's Midi2Ay tool...Im tinkering with Quique Llar?a's Midi2Ay tool, found at: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/tools/pc/midi2ay-0.1.zip[/url] Im not a v…

    ... the stack out of the way of the AY data ... UDGs?). so just leave this out.

    ld ... /> ld bc,0fffdh
    out (c),a
    inc hl
    ... /> ld b,0bfh
    out (c),a
    inc hl
    ... br />
    fin xor a
    out (0feh),a
    ;;; jr $
    ...
    Alcoholics Anonymous Alcoholics Anonymous October 2009 Development
  • 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…

    ... br /> lout:
    out (c),a
    ld C,e
    outi< ... lout
    out (c),a
    ld a,(hl)
    and a
    ret ... m
    ld C,e
    out (c),a ... />
    music
    incbin "ay/tune.p3x" ; ProTracker3.6 excluding ...
    chev chev November 2009 Development
  • 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 007h

    ;NoteTableCreator (c ... AYREGS
    lout:
    out (c),a
    ; ld C,e ; Timex
    ... lout
    out (c),a
    ld a,(hl)
    and a
    ...
    chev chev November 2009 Development
  • Midi2ayhello, Does anyone know how to use MIDI2AY ? FABIEN

    ... writing a modified version of this program that will play your AY ...
    ld bc,0fffdh
    out (c),a
    inc hl
    ld ... )
    ld b,0bfh
    out (c),a
    inc hl
    jr ... , and you can play the AY music using interrupts while running ...
    kgmcneil kgmcneil March 2010 Emulators
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... /> ld a,7 ; AY Mixer Control - I/O Enable
    out (c),a
    ld a,00000000b ; Output
    out (c),a

    ... ld bc,65533
    ld a,14 ; AY I ... /O
    out (c),a

    ; ...
    ASM ASM October 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... /> ld a,7 ; AY Mixer Control - I/O Enable
    out (c),a
    ld a,00000000b ; Output
    out (c),a

    ... ld bc,65533
    ld a,14 ; AY I ... /O
    out (c),a

    ; ...
    ASM ASM October 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... /> ld a,7 ; AY Mixer Control - I/O Enable
    out (c),a
    ld a,00000000b ; Output
    out (c),a

    ... ld bc,65533
    ld a,14 ; AY I ... /O
    out (c),a

    ; ...
    ASM ASM October 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... /> ; *CORRUPTS REGISTER 7 OF AY-3-8912*
    ; *MUST ... out (c),a
    ld bc,49149
    xor a,a ; Input mode
    out (c),a
    ld a,14 ; I/O
    out (c),a
    exx< ...
    read ld a,00010000b ; RxD
    out (c),a ; Set, will clear ...
    ASM ASM October 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... br /> ; *CORRUPTS REGISTER 7 OF AY-3-8912*
    ; *MUST ... bc,65533
    ld a,7 ; Mixer
    out (c),a

    ...
    ld a,01000000b ; Output mode
    out (c),a
    exx< ... br />
    ld a,14 ; I/O
    out (c),a
    ASM ASM October 2010 Hardware
  • Minor Update to Gasman's Midi2BEEPDon't know whether this is worthy an announcement, but for those of you who enjoyed Gasman's midi2BEEP utility, a new variant has been made called mi…

    ... />
    If the AY was disabled you would still ... /> out (c), a
    pop af
    ld bc, ay_128dat
    out (c), a
    ld e, a
    ld a, (iy + ... bc, ay_tmxdat
    out (c), e
    out (ula), a
    ret
    chev chev April 2011 Announcements
<1234567…34>

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