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<1…9101112131415…34>
  • Spin GFX ripper helpwell, I?m not skilled in these things but IMHO I?m not stupid and can learn by trying or after my mistakes.. but this is something I?m not able to di…

    ... display" and started wandering through RAM.

    Test if it ... ´s still no time to check it out.
    living with ...
    de Vandemar Croup de Vandemar Croup June 2006 Emulators
  • Half Life 2Just got it today. u have to register it via internet and the loading time is crap. But it plays well on my amd 1800 with 1 gig mem and onboard nvide…

    ... />
    [quote]
    How much ram do you have? I was ... only using 256Mb ram and had to wait up ... ]

    I've 512MB RAM and a 6600GT 128MB gfx ... time... dunno, will have to check again today.

    I ...
    Arjun Arjun July 2006 Sinclair Miscellaneous
  • seedycan you get CD re-writters for old shit PC's?

    ... you would have to check how much RAM and hard disk space ... you have left. 64mb ram and about a gig of ...
    BruceNorton BruceNorton August 2006 Chit chat
  • The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…

    ... b, 6 ; only need to check max numbers - 1
    ld ... all numbers
    dec e ; check flag
    jr z, sort ... resolutions and the amount of RAM it takes takes up. These ...
    Matt_B Matt_B September 2006 Sinclair Miscellaneous
  • The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…

    ... bit address space or external RAM to hold graphics or sound ... had any problems. Did you check the "Remember me?" box?
    Matt_B Matt_B September 2006 Sinclair Miscellaneous
  • How are people developing?Are most coding on actual HW or under emulation, or cross developing?

    ... another meaning. Surely, I could check it first, but then, what ... /> ROM - random overwrittable memory
    RAM - read alone memory
    :D
    piters piters September 2006 Development
  • RAM chips are 4164s and 4564s interchangeableI paid for some 4164s online, for upgrading my Spectrum 16K to 48K, and I've been given 4564s. I've tried these along with the correct logic ICs and …

    ... wire link(s) required, check to make sure that the ... swopping the position of the RAM ICs. That is to ... , take out all the RAM chips, and put them ... still have bad RAM. The ROM routine to check RAM doesn't ... test every bit of RAM, just ...
    DEATH DEATH September 2006 Hardware
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... should have been a 64K RAM machine where you could switch ... the ROMs to an all RAM mode from the factory. ... talking about adding 16k RAM internally to put in ... and any of the 128k RAM.

    The ... with the usual Sinclair syntax check on entry. The RAMdisk ...
    Alcoholics Anonymous Alcoholics Anonymous October 2006 Sinclair Miscellaneous
  • The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…

    ... 're talking about adding 16k RAM internally to put in place ... and any of the 128k RAM.[/quote]
    Actually, that's ... paging out any place in RAM is more expensive and less ... with the usual Sinclair syntax check on entry. The RAMdisk I ...
    JamesD JamesD October 2006 Sinclair Miscellaneous
  • Floating point representationI'm planning on picking up the [url=http://matt.west.co.tt/category/spectrum/openzxrom/]OpenZXRom[/url] project from where I left off a few months ba…

    Check out the Z80 math lib ( ... have to set aside some RAM areas.
    I also have ...
    JamesD JamesD October 2006 Development
  • Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…

    ... where the RAMDisk gets its RAM from? Anyone?
    [/QUOTE]< ... configuration (13467) are silicon disk RAM. Ramdisk files are stored one ... top of silicon disk RAM. The silicon disk RAM is logically ordered ... 7. The ROM does not check for running into the second ...
    Alcoholics Anonymous Alcoholics Anonymous November 2006 Sinclair Basic
  • Where to get Spectrum RAMSigh. Even obsolete nixie tubes seem to be easier to get hold of than Spectrum RAM. I've tried the usual suspects (eBay and google searches), but not…

    ... of the RAM chips were socketed... actually, a quick check and I ... have some spare socketed +2a RAM chips from ...
    icabod icabod November 2006 Hardware
  • Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…

    ... and direct access to display ram) and you can see the ... much slower video display access (check out versions of Green Beret ...
    Alcoholics Anonymous Alcoholics Anonymous November 2006 Games
  • The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…

    ... interrupt routine. This routine would check a variable (or a byte ... 't want it in "slow" RAM (below 32768). I can provide ... music and player in paged RAM, but if you're using ...
    icabod icabod November 2006 Sinclair Basic
  • Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …

    ... simple but good way to check your ROM is to remove ... #FF (RST #38 ) instruction. Your RAM will be filled by #0038 ...
    Sonic Sonic November 2006 Hardware
  • Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …

    ... 74LS157 multiplexer for the upper RAM) on the dead Issue 2 ... test it on breadboard to check I didn't fry it ...
    Winston Winston December 2006 Hardware
  • Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …

    ... 74LS157 multiplexer for the upper RAM) on the dead Issue 2 ... test it on breadboard to check I didn't fry it ... . If you KNOW your 4116 RAM is ok, try changing the ...
    DEATH DEATH December 2006 Hardware
  • Nooooo my speccy died!??!!Hi! I am quite sad. :( Tonight I got a kempston interface so I rushed home to try it on my spectrum+ The edge connector of the interface was narrower…

    ... />
    4116 lower RAM block 90% likely
    ... 4164 upper RAM block 50% likely
    ... , voltages ok? then check each 4116 chip in turn ... br />
    Then check upper RAM, then the Z80 and then ... If that fails then check/change the 74LS157/74LS00/ ...
    DEATH DEATH December 2006 Hardware
  • Prince of Persia in an actual Spectrum?Prince of Persia is one the best games programmed for our Speccy in the last 10 years, but I think originally was written for TR Dos, although there …

    ... ]
    I guess I should check things before I commit myself ... with $FF (causing some bad RAM paging)...

    I tried ...
    Jmk Jmk December 2006 Games
  • Prince of Persia in an actual Spectrum?Prince of Persia is one the best games programmed for our Speccy in the last 10 years, but I think originally was written for TR Dos, although there …

    ... =Jmk]I guess I should check things before I commit myself ... with $FF (causing some bad RAM paging)...

    I tried ...
    Ivanzx Ivanzx December 2006 Games
  • Spectrum Issue two problemI managed to bring back to life a issue two spectrum (at least the power supply cirquit). The screen is now crystal clear (after replacing all the el…

    ... from the membrane, I'd check the RAM. Try POKE/PEEK to ... memory (ie, >32767). Faulty RAM will make the ROM memory ...
    Dunny Dunny December 2006 Hardware
  • Best replacement for ZTX650?What is the best replacement transistor for the obsolete ZTX650? I've read that TIP31 will do the trick. Is there a decent equivalent from the BC or …

    ... addition to the RAM, also check:

    TR5 (check for short circuit ... C44, C45, C46, C79, C80 (check for shorts)
    The diodes ... D11, D15, D17, D19 (check for shorts)

    If ... present before the TR4 blows. Check one at a time, and ...
    Pilsener Pilsener January 2007 Hardware
  • Spectrum Issue two problemI managed to bring back to life a issue two spectrum (at least the power supply cirquit). The screen is now crystal clear (after replacing all the el…

    ... what remains is to check for faulty ram (fast booting).
    I ... tryed to PEEK the ram (as the repair guide says ... has to be the first RAM chip (at least) or could ...
    gtsamour gtsamour January 2007 Hardware
  • Best replacement for ZTX650?What is the best replacement transistor for the obsolete ZTX650? I've read that TIP31 will do the trick. Is there a decent equivalent from the BC or …

    ... addition to the RAM, also check:
    TR5 (check for short ... C45, C46, C79, C80 (check for shorts)
    The diodes ... D11, D15, D17, D19 (check for shorts)
    If ... shoud be able to check if all the voltages ... before the TR4 blows. Check one at a time, ...
    gtsamour gtsamour January 2007 Hardware
  • Spectrum Issue two problemI managed to bring back to life a issue two spectrum (at least the power supply cirquit). The screen is now crystal clear (after replacing all the el…

    ... a couple more things than RAM, but if the machine does ... the ULA [I]should[/I] check.

    I'd ... makes the CPU fill all RAM with 02 hex, then ... , then you have bad lower RAM.

    I had ... replaced the lower eight 16Kx1 RAM chips with a single 64Kx8 ...
    Marcelo Marcelo January 2007 Hardware
  • problem with sinclair zx 48 issue 6aHi all, I have the following problem when I turn on my sinclair without rom inserted. [url]http://217.79.64.145/sinclair/5.jpg[/url] when I turn o…

    ... the ROM other than to check some processor lines with a ... find a dead 32Kbit OKI Ram Chip in the upper bank ... have access to a scope, check the data lines in the ...
    Marcelo Marcelo January 2007 Hardware
  • problem with sinclair zx 48 issue 6aHi all, I have the following problem when I turn on my sinclair without rom inserted. [url]http://217.79.64.145/sinclair/5.jpg[/url] when I turn o…

    ... trust the RAM you have.

    First, check all RAM supplies are ... 6A clone has more modern RAM chips which only need +5 ...
    Marcelo Marcelo January 2007 Hardware
  • Little character trouble with BASinWell, I'm having some trouble loading fonts into the speccy with BASIC, using BASin r13 for an easier job. When I run code, such as this example... …

    ... your fonts into anywhere on ram then set your font address ... not work you need to check CHARS)

    Probably basin ...
    Arda Arda January 2007 Sinclair Basic
  • Any interest in new low-cost mass-storage interface with 512K RAM?I've recently added support to ResiDOS and the +3e ROMs for SD/MMC card interfaces; in particular, ZXMMC (which has no onboard RAM and so is only sup…

    ... interface... just additional battery-backed RAM (or flash?) for using things ... />
    I'll have to check the I/O ports to ...
    glancaster glancaster January 2007 Hardware
  • don't go Vista matesaGreetings. As you well know, there has been a massive campaign to push Vista into the users. I'm against it and always will be. Most of the ancient s…

    ... to the big companies and check if there aren't very ... current ones 1.7mhz / 256mb ram / 32mb onboard graphics) :P
    ram down from 256 to 224 ...
    dekh dekh February 2007 Chit chat
<1…9101112131415…34>

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