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  • Summer express game competetionHello to all. I would like announce SUMMER EXPRESS GAME COMPETETION: [B]Theme:[/B] a game [B]Deadline:[/B] 1st September 2010 [B]Target:[/B] ZX Spe…

    ... your own routine somewhere in ram.
    7) Image of game ...
    Fikee Fikee June 2010 Development
  • I'm not getting a picture up on my puter screenToday, I switched the jumpers on my hard drives, so that master became slave and slave became master. But when I switched my computer back on, it all…

    ... my graphics card and my RAM, and I blasted awayy the ...
    wilsonsamm wilsonsamm July 2010 Chit chat
  • PC questionsI tried to switch on my PC on sunday morning but nothing would happen. I initially thought the fuse had blown in the socket but when i changed it it…

    ... ) Advent with intel E3400, 3G RAM, 360G hard drive, Windows 7 ...
    zx1 zx1 July 2010 Chit chat
  • 48 Issue 3b working but very hot ula and cpuSalve to everybody I bought from e*ay an Issue 3b 48k , fitted in a + case. Fixed the keyboard problem with a new keyboard membrane from good Rwap (w…

    ... is hot too. And all ram chips are slightly warm. All ...
    Cignale Cignale July 2010 Hardware
  • multicolor on 48Kmany people tried multicolor 8x1 on 48K model and ended with maximum width about 18 chars. yesterday i tried [b]8x2[/b] on 48K and achieve 24 char wi…

    many people tried multicolor 8x1 on 48K model and ended with maximum width about 18 chars.
    yesterday i tried [b]8x2[/b] on 48K and achieve 24 char wide multicolor.
    is there any demo showing 8x2 with one video ram ?
    Fikee Fikee July 2010 Development
  • You need this (Windows) programAs any Windows user knows, sometimes you HAVE to reset Windows. Sometimes it's because you've just installed or uninstalled a program, and Windows ne…

    ... to reset as the free RAM is dangerously low (how does ... just resets, losing everything in RAM at the time.

    ewgf ewgf July 2010 Chit chat
  • Embedding external code in Z88DK projects (Beepola related)Hi all, I've been doing a few things in Z88DK, but I was wondering how I could link binary data compiled separately into my projects. Specifically I…

    ... beepola
    ; Already loaded on RAM addr 59500
    call 59500 ...
    SnakeOilSteve SnakeOilSteve July 2010 Development
  • Sprinter 2000You can pick this up from me (I live in Derby) It's a brilliant clone of the Spectrum that because it's implemented in fpga it can switch between 10…

    ... access to 4 megabytes of RAM.

    make me an ...
    wilsonsamm wilsonsamm August 2010 Sales
  • Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…

    ... unless I use the 64K RAM banking feature of the +2A ... and on its place the RAM is connected.

    Bit ...

    A=1 for RAM 0,1,2,3
    A=5 for RAM 4,5,6,3
    A=7 for RAM 4,7,6,3
    ajmoss ajmoss August 2010 Hardware
  • Loss of innocenceI suppose my ZX Spectrum era lasted longer than most (although not sure longer than most of you on here). I received my first Speccy back in '83, and…

    ... amazing. A real keyboard, 256KB RAM. A different colour per-pixel ...
    takapa takapa August 2010 Sinclair Miscellaneous
  • ZX Spectrum +2A glitchesHi again! I'm very happy to realize that there are so many people ready to help and even argue for how to help better. Hope there is no limit for amo…

    ... some of higher sectors of RAM, while lower ones still work ...
    Lady Eklipse Lady Eklipse August 2010 Hardware
  • 48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…

    ... br />
    The upper RAM, from 32KB to 64KB on ... away. Going over the RAM chips with the scope I ... Interface 2 which has a RAM test, the original fault ... and the short ram test failed with "RAM Error @8000 BTS ... each of the upper RAM chips contributes a single bit ...
    Womble Womble August 2010 Hardware
  • WANTED: Will pay good money for...I am a Sinclair collector of hardward and here is my current list of things I am looking for. I am happy to pay top dollar for any such items but i…

    ... and/or documentation for 16k RAM PACK (the one that has ... ZX80 on the RAM PACK)
    [/LIST]

    NotCliveSinclair NotCliveSinclair August 2010 Wanted
  • Booting with a programIf you ever had a VTX-5000, you'll remember it booted to a menu. The menu itself was written in BASIC. When the Spectrum initialized, this BASIC prog…

    ... into the Speccy's main RAM, then run.

    I ...
    Winston Winston August 2010 Development
  • Micro Command - voice recognition for the ZX SpectrumIt's an interface you might know about. This is it: [img]http://www.zxprojects.com/images/stories/microcommand/microcommand.jpg[/img] I've found som…

    ... 0000h - 07FFh, and 2KB of RAM memory, mapped at 1000h - 17FFh ... . Both ROM and RAM memory don't seem to ...
    mcleod_ideafix mcleod_ideafix August 2010 Hardware
  • Spectrum lost upper memoryHi again, I have a Rubber key Spectrum(issue 4S) which lost it's whole upper memory. It's worked okay, but i forgot it on over last night. My son wa…

    ... i have 16K Spectrum which RAM/ROM is in working order ... . I own 32K Ram pack which i plugged in ... i have 48K Spectrum with RAM/ROM OK.
    Now i ...
    lillaolle64 lillaolle64 September 2010 Hardware
  • Help and Advice with DivIDE PlusHi Guys, Really struggling to get any reliable actiivty with my DivIDE Plus and am looking for some pointers. I am trying to get it to work with on…

    ... power on and the screen/RAM consistently stays in a static ...
    BloodBaz BloodBaz September 2010 Hardware
  • ula bookula book is here: [url]http://www.zxdesign.info/book/[/url] can i post sam coupe stuff here - she kind of is a speccy if you stuff the speccy rom i…

    ... screen off full tilt external ram speed
    oh ... rom speed as external ram will need a refresh ... slightly less than the internal ram?

    has ... blitter dumping stuff in video ram - would this have ... and dma to access same ram addresses?

    ...
    Roger Jowett Roger Jowett September 2010 Hardware
  • Developing ZX Spectrum using 8 chipsHello. Sorry, my english is not perfect. I am developing new realising of ZX Spectrum. There are 8 chips in my sch. Central processor and video proce…

    ... keyboard. There are also IS62C1024 (RAM) with octal latch 74ac373, MC78M05CDT ...
    Vasil Vasil September 2010 Hardware
  • The Sadness of my Decaying Speccies.I've been avidly collecting ZX Spectrums since the late 90's and whilst at the time of the late 90's and early millennium my Spectrums and associated…

    ... fault, a couple have developed ram faults probably due to other ... the microdrives?? What about Spectrum ram chips, are the easy to ...
    Scottie_uk Scottie_uk September 2010 Sinclair Miscellaneous
  • Machine code[CODE] OPCODE HEX ADD LD A,05 3E05 F000 LD B,00 0600 F002 INC B 04 LOOP F004 CP A,B B8 F005 JP NZ,LOOP C2F003 F006 LD B,00 0600 F009 LD …

    ... then set a value into ram so i can see if ...
    Robin Robin September 2010 Development
  • Location of variableHi everyone When basic makes an array how to you find out the location in the ram of where the data is stored. :) Also, does it store the values in…

    ... out the location in the ram of where the data is ...
    Robin Robin September 2010 Sinclair Basic
  • SAM programmingHi Can anyone provide any example hello world or graphics/sprite printing style machine code routines for the SAM? I can't seem to find anything rem…

    ... manipulating data in the video ram and thought perhaps rather naively ...
    spud spud September 2010 Development
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... support the 128k features extra ram audio?
    there is no ...
    Roger Jowett Roger Jowett September 2010 Emulators
  • bast, the Basic tapemaker for LinuxAnnouncing a new utility, [b]bast[/b], the BASIC Tapemaker. Now available: version 0.2.3 (alpha) for Linux. At: [url]http://github.com/ec429/bast/do…

    ... but also their addresses in RAM (assuming no MERGEs are involved ...
    AY Chip AY Chip September 2010 Sinclair Basic
  • How hardware progressesWith much sadness my favourite gaming mouse passed away last week so I started to look round for a new one. I ended picking a [URL="http://www.bit-te…

    ... /> On-board it has 128K RAM so you can carry all ...
    ADJB ADJB October 2010 Chit chat
  • Broken +3I have noticed that some members on this forum prefer to repair Spectrums instead of just buying another one from ebay. I would like mine fixed at so…

    ... background, I would say that RAM was alternating between the value ...
    ASM ASM October 2010 Hardware
  • Poll: how much *space* does your Sinclair collection occupy?I was going through my Sinclair stuff today (to gather various bits & pieces in 1 place), which made me wonder: how much [I]physical space[/I] does y…

    ... busted on all), two 16K RAM packs (1 broken, 1 fishy ...
    RetroTechie RetroTechie October 2010 Sinclair Miscellaneous
<1…19202122232425…34>

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