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<1…17181920212223…34>
  • Midi out on a ZX SpectrumYears ago (may be over 15 years...) I soldered a small adapter that lets a keyboard or synthesizer connect to the ZX Spectrum 128K's midi/RS232 port.…

    Well, there were several situations in the past that I wanted to use midi on the Spectrum with.

    1. I used the Midi out port on a ZX Spectrum 128K heatsink model to send data to a Yamaha Cs1x for my first laserharp.
    That laserharp had ten ...
    bverstee bverstee March 2010 Hardware
  • 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 …

    ... SAA, and there's plenty of spare RAM for the code ... page. Each access to AY ports can be replaced with RST ... SAA convertor fast ? Use big table for convert registers ? Is source ...
    velesoft velesoft April 2010 Games
  • DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…

    ... And same IDE table for DIVIDE ports:
    [code];-IDE Ports:----------------------------
    RCOM ... this machines:
    - length of each TV line is 224 ... position is at end of last ZX screen line ... (end of line 192)
    - adressation of port #7FFD ...
    velesoft velesoft May 2010 Announcements
  • Playing AY sounds with BASIC.Is it possible? If so how? I've seen in one forum a while back mention of using interrupts to play but AFAIK this is machine code only. The goal of …

    ... values to the AY data ports using OUT. It works. I ... it with the aid of the AY register table.

    Check ... this table in account and write proper values to the ports. You ...
    na_th_an na_th_an May 2010 Sinclair Basic
  • 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 …

    ... I wonder if certain patterns of bytes could be searched for ... ]
    But this code+conversion table = 8-9kB. Theoretically is possible ... or direct access to AY ports. Exist only one correct way ... instructions with acces to AY ports and call emulation code. It ...
    velesoft velesoft September 2010 Games
  • Found an old project of mine today[url]http://i1210.photobucket.com/albums/cc418/reanimator1971/DSCF1382.jpg[/url] i started this about 6 years ago and found it after sorting through …

    ... /> 1. Internal Midi to Wave-Table card

    This ... pleasure to donate one of the best wave-table cards ever made ... wavetable card that has 12MB of Compressed Sound Fonts (instruments) ... Atari compatible joystick ports on the far Right side of the chassis ...
    Zetr0 Zetr0 March 2011 Hardware
  • T/S 2068 & SpectrumBorrowing what you see below from the Timex Sinclair 2068 Beginner/Intermediate Guide, by Fred Blechman. It appears the T/s 2068 was intended to be …

    ... trust the SOUND note table in that book. It ... division in the face of increasing competition. The ... 65535 available I/O ports, of which only a few ... /> The additional BASIC commands of the TS2068 were DELETE, STICK ... to date is my port of Shadow of the Unicorn.
    chev chev March 2011 Hardware
  • 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…

    [QUOTE=zxbruno;538574]These are of course good news, but if ... to enjoy the huge library of Spectrum AY tunes it would ... is change the I/O ports to match whatever the ZX81 ... clock of the AY is you just use an appropriate note table ...
    chev chev May 2011 Hardware
  • 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…

    ... frequency and port addresses of the AY chip I ... can write a version of the Vortex Tracker playback ... VortexTracker procedure ported to ZX81 ports + *.p file output ... frequency and port addresses of the AY chip *in ... table. And unless I have the AY's I/O ports ...
    chev chev May 2011 Hardware
  • 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…

    ... clock frequency and port addresses of the AY chip *in order ... tone table. And unless I have the AY's I/O ports ...
    Yerzmyey Yerzmyey May 2011 Hardware
  • 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…

    ... here's a new version of my ProTracker Extreme playback code ...
    ld de, t_pack ; note table data depacker
    ld bc ... br />
    ; select AY tone table
    xor a ; 1.625Mhz ... />
    ; ld de, #f5f6 ; TC2068 ports
    ; ld bc, #fff5 ;
    chev chev May 2011 Hardware
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    ... 's one horrid assembler implementation of keyboard emulation..

    [code ...
    Woody Woody August 2011 Emulators
  • writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…

    [QUOTE]
    Would I be right in assuming that your HALT emulation simply increments T_states by 4 and leaves PC untouched?
    [/QUOTE]
    Yes, that's exactly what it does. Let's get to port reading and keyboard handling. Here's port reading (all IN ...
    PeterP PeterP August 2011 Emulators
  • Making a Zx Spectrum betterIs there anyway to make my Grey ZX Spectrum more power efficient and more reliable from the original you get. What I mean is we all know the ZX Spec…

    ... /Amiga joystick compatible ports on the right hand side of the machine ... /> 3. Add a MIDI wave Table Card
    4. Add a ...
    Zetr0 Zetr0 January 2012 Hardware
  • ZX Spectrum TowerHi all, i am working on a ZX Spectrum 48K build in a PC tower case. Is there anyone who did it before? I have some questions duo the PSU. I have to g…

    ... bit garish considering the form of elegance that was attempted - ... a MidiWAVE table Card (Yammaha DB50XG) for 32 channels of 16bit ...
    So its primary modes of opperation would be +3ed DOS ... as convert the sjs joystick ports for standard atari joystick / ...
    Zetr0 Zetr0 March 2012 Hardware
  • DIVIDE 2k11hello, just short link - for Your info (cpld, 4 layers, rohs, cpld code for future development for clones..) [url]http://lotharek.pl/product.php?…

    ... not take up the rest of the table eating watts with dozens ... of chips off the poor Spectrum. ... to perfection: it lacks joystick ports (and perhaps AY, but that ...
    maiki maiki June 2012 Hardware
  • Does anyone have the Beta 128 schematics?Hi. I was just wondering if any of you had schematics for a standalone version of the Beta 128 interface? I've looked at the schematics of the Pent…

    ... was just wondering if any of you had schematics for a ... standalone version of the Beta 128 interface?
    of the Pentagon and the Scorpion ... . If anyone has a table over the ports the two versions use ...
    velesoft velesoft November 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... is port table with ULA port ... ports-full-table.txt[/url]

    here is part of this table ... br /> SYSTEM PORTS
    ... Prn - ď?đňű ďđč?ňĺđŕ (printer ports)
    Reg - đĺăčńňđ ?ďđŕ??ĺ?č˙ ...
    velesoft velesoft December 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... ://velesoft.speccy.cz/other/zx-ports-full-table.txt[/url][/QUOTE]
    of the table, because I created it ... tone and evidence of the low qualification of the use of the decode ...
    Black_Cat Black_Cat December 2012 Hardware
  • Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…

    ... ;696157]Hmm. On the subject of cheap incomplete decoding, what other ... bit from the low byte of the IN address for their ... . IN 1 or IN 253 = ports +3 fdd, AY
    A2 ... ://velesoft.speccy.cz/other/zx-ports-full-table.txt[/url]
    velesoft velesoft April 2013 Hardware
  • External floppy driveI suspect this has been asked before but any way as I am new here. Has any one used an external floppy drive unit on the Spectrum+3 before now? Que…

    ... sector size, number of sectors and a table with the sector numbers ... disk to allow easy recognition of disk format.

    ports directly to do that) ... then writes the data of that format in the disk ... up to 208 Kb of free space and in ...
    Zup Zup July 2013 Hardware
  • Retro Gamer 119This issue is out later this week. Thought I'd mention it because in addition to my own 2-page making of Deactivators, which is an ace game and would…

    ... ]Fortunately, tracing the development of the 128 Editor is made ... were being used as a table by games programmers. "The ... set up for keyboard, tape, ports, colour, and sound." He recalls ... is because Investronica was unaware of them. It wrote the specification ...
    chev chev August 2013 Announcements
  • Addresses in Fuse debuggerFrom Fuse man page: [I]Addresses can be specified in one of two forms: either an absolute addresses, specified by an integer in the range 0x0000 t…

    ... something like "history" feature of Unix shell.[/QUOTE]
    ...
    I like the sound of that idea.

    ... load in some kind of symbol table so the debugger ... points in the format of "symbol+0x12" or the ... , memory paging, I/O ports, perhaps) and see what ...
    u6c87 u6c87 November 2013 Emulators
  • Guide to the ZX Spectrum ports[B][COLOR="Red"]New![/COLOR][/B] BC Info Guide #4 "Guide to the ZX Spectrum ports" [url]http://zx.clan.su/forum/11-46-1[/url]

    ... ][/B][/QUOTE]

    Bad ports of ULA PLUS:
    [CODE]ULA ... ][/CODE]

    Here is ports table correct ?
    [URL="http://www ... #Port_Allocation[/URL]

    Absent ports of DIVIDE PLUS device, SIF interface ...
    velesoft velesoft December 2013 Hardware
  • Guide to the ZX Spectrum ports[B][COLOR="Red"]New![/COLOR][/B] BC Info Guide #4 "Guide to the ZX Spectrum ports" [url]http://zx.clan.su/forum/11-46-1[/url]

    [QUOTE=velesoft;743052]Bad ports of ULA PLUS:
    [CODE]ULA+( ... ][/CODE]

    Here is ports table correct ?
    [URL="http://www ... />
    [QUOTE=velesoft;743052]Absent ports of DIVIDE PLUS device, SIF interface ...
    Black_Cat Black_Cat December 2013 Hardware
  • Beepola v1.08 AvailableA new version of Beepoa, v1.08, is now available for download from:- [url]http://freestuff.grok.co.uk/beepola/[/url] (1.76MB zipped exe, no installe…

    ... ) accommodated by a simple lookup table, but I don't know ... short look at the implementation of the new ay library for ... since they use the same ports as the AY music you ...
    Timmy Timmy January 2014 Announcements
  • 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…

    ... 0); after another read of 1400 bytes the next ... br /> In (yet) another incarnation of my loader (actually, there are ... file contains 3 versions of the same game that ... the program throws anything at ports $1ffd or $7ffd, ... file with a new table setting the the next ...
    Speccy_James Speccy_James February 2014 Development
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    ... you talking about this bit of your ports table?

    [CODE]
    of anything working with it. As ...
    joefish joefish April 2014 Hardware
  • Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…

    ... you talking about this bit of your ports table?[/QUOTE]
    Update your ... guide to the ports. :)

    [code ...
    Black_Cat Black_Cat April 2014 Hardware
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