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<1234567…34>
  • Converting m$ to dataI created a maze using a matrix of 704 characters. In order to save memory, and since the maze it's just walls and spaces which could be interpreted …

    ... characters. In order to save memory, and since the maze it ... characters into 88 bytes of reserved memory area (e.g. just below ...
    BloodBaz BloodBaz May 2007 Sinclair Basic
  • Machine CodeHi all, I want to get a machine code/assembler/dissasembler program from the WOS archives. But what in your opinion would be the best to get? I don`t…

    ... it will leave the 128K reserved memory alone.
    Geoff Geoff July 2007 Sinclair Miscellaneous
  • Extended memory and SNApshots in emulatorsExist any snapshot fileformat that support extended memory for ZX (clones) ? I see only Z80 fileformat with 48/128 and 256kB(ZS Scorpion 256) support…

    ... snapshot fileformat that support extended memory for ZX (clones) ? I ... /> [B]16-127 = unused / reserved for next zx clones[/B ... STEALTH" support save extra memory in Z80 files (contain added ... one file with length = zx memory size(uncompressed raw) + additional ...
    velesoft velesoft August 2009 Emulators
  • 48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …

    ... the top of the 48K Memory Map.

    From ... 0 to 16383 - Read Only Memory
    16384 to 22527 - Display ... to 23754 - Reserved
    23755 to 65367 - Available Memory
    65368 ... area '23755 to 65367 - Available Memory'

    Also what ...
    jonesypeter jonesypeter March 2016 Development
  • Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…

    ... is where the screen memory resides. The screen memory ends at 23296 ... is what on earth the memory before KSTATE and after the ... video memory is used for on a ...
    cyborg cyborg November 2002 Sinclair Miscellaneous
  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …

    ... />
    Port 32765 controls the memory paging. Bits 0-2 determine ...
    trellis trellis August 2003 Sinclair Basic
  • ZX80/81 memory expansion and 48k + Lightpen for saleAll are in original packaging and the lightpen has it's software and manual. The memory expansion is a 16k one. E-mail me at [email="patrick@wych01…

    All are in original packaging and the lightpen has it's software and manual.

    The memory expansion is a 16k one.

    E-mail me at [email="patrick@wych01.freeserve.co.uk"]patrick@wych01.freeserve.co.uk[/email] if intrested..
    zeropolis79 zeropolis79 September 2003 Sales
  • memory is filled up under Win XP when opening many filesDear friends, I have the big and strange problem that ZX-Rainbow's game scanner is not working properly under Windows XP. I figured out (during a ti…

    ... in the virtual memory), so that the memory is filled up with ... the file stream, freeing the memory.
    I wrote another testing ... the complete file content in memory.

    The problem does ...
    Seejay Seejay April 2004 Development
  • Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…

    ... /> If so, what are the memory areas available for 16k and ...
    robpearmain robpearmain May 2004 Development
  • Strange layout of Spectrum video memoryHello, does anyone have an idea why the Spectrum's video memory has such a strange layout? I understand that a resolution of 256x192 is an easy mean…

    ... why the Spectrum's video memory has such a strange layout ... it easier to address video memory. I also understand that the ... ) are a compromise to limited memory. But where does the line ...
    J?rg Pleumann J?rg Pleumann August 2004 Sinclair Miscellaneous
  • what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…

    ... from port 7FFD for extra memory pging:
    - for ... those bits for extra memory switching and if it ... / port DFFD for extra memory paging.
    What is ... keep track of a memory bank number, by combining ... established port for extra memory, other than the Pentagon ...
    secarica secarica September 2004 Sinclair Miscellaneous
  • SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result. - pause the game - debugger - hex numbers - fill memory block - fill wi…

    ...
    - hex numbers
    - fill memory block
    - fill with 00 ...
    - main memory
    - start address - 4000
    - ok
    then
    - view memory
    - all screen data is ...
    secarica secarica October 2004 Emulators
  • Data at the top of memoryWhilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available m…

    Whilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available memory ? If so, what is the last memory location that is safe to use ?
    Mr Millside Mr Millside February 2005 Development
  • Emulator Dev: Memory Use When Loading RZXsHi, I am currently working on a port of an emulator to a system with limited memory (64mb). I am running out of memory when loading large snapshots …

    ... to a system with limited memory (64mb). I am running out ... of memory when loading large snapshots (ie ... let me know how much memory is needed to decompress a ...
    Crabfists Crabfists June 2005 Emulators
  • Remember the old Chewits Advert?Just wanted to share with me the memory.... He ate the Taj Mahal, he ate the Empire State building, he ate the Leaning Tower of Pisa.....He's eating…

    ... to share with me the memory....

    He ate the ... that dodgy New Yoyk accent, reserved for N.Y hookers and ...
    JimDiGrizLovesAngelina JimDiGrizLovesAngelina June 2005 Chit chat
  • Interface 1 Memory Map(I'm not sure which section this post should go in, but here seems as good as any) Since the Interface 1 ROM is only 8k long, does anyone know what …

    ... appears in the 8-16k memory range when IF1 is paged ...
    MikeW MikeW May 2006 Hardware
  • Wanted: Gamecube memory cardI'm looking to buy a gamecube memory card. I don't need a large capacity memory card but a card that can save information for upto 3 games will do. I…

    ... looking to buy a gamecube memory card. I don't need ... a large capacity memory card but a card that ... they own or a used memory card (in working condition of ...
    Arjun Arjun May 2006 Chit chat
  • The Rocky Horror Show - Alternate version or just weak memory?Ok, I have a question that has been bugging me all my life... "The Rocky Horror Show" was the first game I have ever played, it was for some reason…

    ... a case of blurry child memory?

    And by the ...
    Fred_PJ Fred_PJ August 2006 Games
  • Emulator with ability to watch memory?Hi! I'm looking for an emulator that can give me a realtime update of an address in memory. I've tried Fuse (on OS X) where I can set a breakpoint i…

    ... update of an address in memory. I've tried Fuse (on ...
    bigredswitch bigredswitch August 2006 Emulators
  • Where do you keep your tape images? CD, DVD, USB drive or Memory Sticks?I have my most beloved games (well over 300 titles) on my SD memory card. What's your type of archive medium?

    I have my most beloved games (well over 300 titles) on my SD memory card. What's your type of archive medium?
    Uros Zupan Uros Zupan September 2006 Sinclair Miscellaneous
  • Memory Map/ContentionHi I'm new to speccy coding (well I did some z80 coding a few years back - like 20yrs ago :) ), and I'd like to get back into writing some scrolling…

    ... this a correct map for memory contention?

    Address Size ...
    5B00-7fff 08k Contended Memory
    8000-FFFF 32k Fast ... Memory (well normal memory really :) )

    Cheers ...
    ZJones ZJones September 2006 Development
  • Spectrum Screen Memory MapWhat's the advantage (mistery?) behind ULA's spectrum screen memory interpretation? 6144 bytes divided into 3 blocks, 2048 bytes long. if you want t…

    ... ?) behind ULA's spectrum screen memory interpretation?

    6144 bytes ... behind this implementation? Why screen memory isn't interpreted continuously?
    Arda Arda October 2006 Development
  • 128K memory testingDuring a mad half hour I decided to write a little memory tester program in BASIC using the information from the 48K service manual. Now I was wonder…

    ... decided to write a little memory tester program in BASIC using ...
    BruceNorton BruceNorton October 2006 Sinclair Basic
  • Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…

    ... makes me wonder: How much memory does a Speccy have, included ... the memory used by the machine itself ...
    Pilsener Pilsener March 2007 Hardware
  • Issue 1 32K Memory Upgrade neededHi folks, as the title suggest im looking for the original sinclair memory board to make it 48k from 16k. Any other form will do or even instructions…

    ... looking for the original sinclair memory board to make it 48k ...
    ZX-MAD ZX-MAD March 2007 Wanted
  • Install Linux to Memory Card(MMC/SD etc)?For anyone that knows, would it be possible to install Linux to a Memory Card? My new PC has a card reader that supports SD, MMC, MS, SMC, CF and MD…

    ... to install Linux to a Memory Card?

    My new ...
    FrankT FrankT March 2007 Chit chat
  • List of POKEs and PEEKs/cool memory addressesI was wondering if there was a list of cool memory addresses to POKE and/or PEEK. For example, I know that PEEK 23674 tells you how long a Speccy has…

    ... was a list of cool memory addresses to POKE and/or ... Spectrum ROM Disassembly', but for memory addresses instead of assembly routines?
    Gizmoguy Gizmoguy April 2007 Sinclair Basic
  • Vague memory of a gameHi all, something's been bugging me on and off for ages. I once had a speccy game that I can't remember the name of. Sadly I can't recall many of the…

    ... a bit hazy, but my memory isn't what it was ...
    LarryLaffer LarryLaffer April 2007 Games
  • Laptop memoryIf anybody is interested before it goes on Ebay.... 2 x 512MB Hynix PC2-4200 memory modules Hardly used - I upgraded the memory a couple of days af…

    ... x 512MB Hynix PC2-4200 memory modules

    Hardly used ... - I upgraded the memory a couple of days after ...
    ADJB ADJB April 2007 Sales
  • Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…

    ... run machine code from the memory area used by the display ... you were really out of memory and some part of screen ...
    Rickard Rickard May 2007 Development
<1234567…34>

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  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
  • ZX80/81 memory expansion and 48k + Lightpen for saleAll are in original packaging and the lightpen has it's software and manual.<br /> <br /> The memory expansion is a 16k one.<br /> <br /> E-mail me a…
  • memory is filled up under Win XP when opening many filesDear friends,<br /> <br /> I have the big and strange problem that ZX-Rainbow's game scanner is not working properly under Windows XP. I figured out …
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