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<1234567…34>
  • Issue 1 16K RAM bankFolks, I recently had a chance to fix a couple of Issue 1 boards, and learned the hard way that the chips in the 16K RAM bank have a different place…

    ... the chips in the 16K RAM bank have a different placement when ... from 2 up have the ram chips lined up the most ... meaningless reports from the Fruitcake RAM tester, I finally checked all ...
    Falco-F8L Falco-F8L January 2015 Hardware
  • RAM paging and port usageDear users and developers, I'm just trying to find some detail information about RAM paging on the Spectrum 128 and later models, especially those a…

    ... some detail information about RAM paging on the Spectrum ... , TS2068
    No RAM paging, but always fixed 48k ... the first 8 RAM pages (RAM 0..RAM 7) is paged ... the second 8 RAM pages (RAM 8..RAM 15) is paged ... used to select the RAM bank for paging at address ...
    clausjahn clausjahn June 2008 Hardware
  • LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…

    ... the detailed timings of contended RAM. It gives timings for Z80 ... in, or reading/writing, contended RAM.

    I can decipher ... 48K, or double buffered -- paging RAM bank 7 into a 128K machine ...
    ajmoss ajmoss June 2010 Development
  • New Spectrum emulator for DS[url]http://zxds.raxoft.cz/[/url] [quote]Features already implemented: * Solid Z80 core - possible bugs aside, the Z80 emulation is as complete…

    ... . This includes both ROM and RAM bank paging and shadow screen support ...
    StuBruise StuBruise March 2007 Emulators
  • info somewhere about russian Scorpion and Pentagon ports usage ?Is there a place, preferable written in Latin script (but not really mandatory), which describes the complete port assignement of the russian clones …

    ... Scorpion and Pentagon ? Specially the RAM bank usage. I have found only ...
    secarica secarica October 2007 Hardware
  • +2A extended memory map & ULA bug?The [URL="http://www.worldofspectrum.org/faq/reference/128kreference.htm"]128K reference page[/URL] says: [quote]The ULA bug which causes snow when I…

    ... to special paging mode, with RAM bank 4 (contended memory) in 0x0000 ...
    ajmoss ajmoss June 2010 Hardware
  • Help me resurrecting a 128KHello to everybody. I'm really struggling along a repair of a standard 128K a friend of mine handed me over some (ok, actually a lot of) time ago. A…

    ... already changed the whole contended RAM bank, the Z80, ROM and PAL ... changing also the whole uncontended RAM bank?
    Falco-F8L Falco-F8L October 2012 Hardware
  • More tea, vicar on disk?Hello, can somebody help me putting the 128k version of this game on disk? The 128k version is free available from Jonathans Webseite. However, the g…

    ... the sound is loaded into RAM Bank, but which one? I think ... save whole memory, even memory bank and so create a file ...
    Speccyman Speccyman June 2013 Sinclair Miscellaneous
  • 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…

    ... bank page, independent of where that bank is currently paged into memory. RAM ... />
    br 7:0x000F
    (RAM bank 7 and offset 0x000F)
    TK90XFan TK90XFan October 2013 Emulators
  • 128k programmingOk, I have had the normal man look (ie. not really), I want a good resource for 128k asm programming. Mostly just to find out how the RAM bank switc…

    ... to find out how the RAM bank switching works and the screen ...
    Kiwi Kiwi November 2013 Development
  • EmuZwin 128k banks in assembler Having looked at the assembler help file " ORG [{ RAMn | ROMn },] #target_address [, #dest_address ] Defines target assembling address and ta…

    ... ROMn is used to define RAM bank (n=0..7) or ...
    nope

    ORG RAM 7 , 49152 (seems to require ... a space between RAM and 7)

    ram bank? I only need to ... use one bank, so
    which ...
    MatGubbins MatGubbins August 2015 Emulators
  • +2 Gray ProblemI'm trying to repair a +2 gray that behaves differently at every boot up. Some rare times I can get the selection window but pretty soon the characte…

    ... containing Paul Farrow's 128k ram testing program. New Z80 tested ... Data Line 5[/b]" at RAM Bank 0 and 2 and also ... -FFFF.
    Also the message "RAM Paging Works Correctly" at the ... must be on the contended RAM part since its causing visual ...
    gtsamour gtsamour May 2016 Hardware
  • Killed Until Dead - Spectrum 128K versionI first got hold of this game about the same time as the film "Clue" started being shown on TV, and there was a "Miss Marple" series on TV, followed …

    ... game is turbo-loaded in RAM immediately above this
    RAM.
    6. The five ... be moved out to another RAM bank on the 128K Spectrum. ... the same time as another RAM bank. The solution was to ... out of the extra RAM page in its place. ...
    Ritchie333 Ritchie333 August 2021 Assembler
  • Can somebody help me with this?One of my "friends" shoved a piece of metal into the back of my spectrum (48k RAM) and now whenever I try to use it theres nothing but weird lines an…

    ... used by the first 16K RAM bank (+12V & -5V).
    If ...
    secarica secarica December 2002 Sinclair Miscellaneous
  • Blizzard PassThis is one for testing an emulator since it works with not many. Theres a notice on the inlay. Select 128 basic then enter out 32765,23 then J"".

    That instruction locks the ram/rom bank configuration and is not implemented ... it but makes the top ram bank 7 which is contended so ...
    Fraser Fraser April 2003 Emulators
  • Blizzard PassCan anyone get the 128k text adventure Blizzard Pass to run on any emulator? I've tried the online Java emulators in WoS, ZX32 and Spectaculator 5 an…

    ... ,23 changes the Bank page to 7 (Slow RAM, where the second ... uses POKE 23388 to switch RAM banks.
    OUT 32765,48 ... of the banks [48 = 0 (Ram bank)+16 (Bank modulo)+32 (Bank lock)]
    LCD LCD April 2003 Games
  • Most engrosing Adventure GameThis is one for all you text adventure lovers. Of which I am one. I remember reading those Fighting Fantasy books when I was a kid. The ones where y…

    ... you paging in a 128k ram bank.
    cyborg cyborg April 2003 Games
  • Most engrosing Adventure GameThis is one for all you text adventure lovers. Of which I am one. I remember reading those Fighting Fantasy books when I was a kid. The ones where y…

    ... you paging in a 128k ram bank.
    [/quote]

    Like ...
    woodcock88 woodcock88 April 2003 Games
  • Most engrosing Adventure GameThis is one for all you text adventure lovers. Of which I am one. I remember reading those Fighting Fantasy books when I was a kid. The ones where y…

    ... /> as far as the 128k ram bank thing, im afraid thats a ...
    Amigo Amigo April 2003 Games
  • Most engrosing Adventure GameThis is one for all you text adventure lovers. Of which I am one. I remember reading those Fighting Fantasy books when I was a kid. The ones where y…

    [quote]
    as far as the 128k ram bank thing, im afraid thats a little beyond me :)[/quote]

    Why? It's just a simple OUT. Really is that easy.
    cyborg cyborg April 2003 Games
  • new emulatorHi All. If you wish you can download/test/link to/betatest etc. my new emulator EmuZWin 2.0. It emulates S48 and S128 and works under all Windows 9x…

    Version 2.1 Build 6 available. ZX Assembler added, debugger can switch to decimal view. When entering pokes directly in the debugger, sure that correct RAM bank switched on.
    Vladimir Kladov Vladimir Kladov July 2003 Emulators
  • 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 …

    ... is redirected to another physical RAM bank.
    cyborg cyborg August 2003 Sinclair Basic
  • 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 …

    ... is redirected to another physical RAM bank.
    [/quote]

    Excellent ...
    trellis trellis August 2003 Sinclair Basic
  • Artist / Artists Required For 3 Brand-New Spectrum Game ProjectsHi all, I am currently looking for high quality sprite and background tile artists for 3 forthcoming Spectrum games I have on the go at the moment. …

    ... could just draw to the RAM-bank and switch it in at ...
    dansauk dansauk March 2004 Development
  • New project for 256 colours Games emulator!O.K. , I suggested Jonathan Needle ( Creator of the excellent Spectaculator at [url="http://www.Spectaculator.com"]www.Spectaculator.com[/url] ) to c…

    ... and to understand what is RAM bank and 16K memory page...
    Vladimir Kladov Vladimir Kladov March 2004 Emulators
  • My first attempt at Gigascreen interlacingWonderful. Did some research on the port which controls memory paging and wrote a short BASIC programme to switch pages 5 and 7 in and out of the scr…

    The +3s has nothing to do with the trick I described. It works because the picture is interlaced. You will see half of the picture from ram bank 5 and half from ram bank 7.

    [ This Message was edited by: Fraser on 2004-05-03 14:24 ]
    Fraser Fraser May 2004 Development
  • +D/Disciple games archive?Hi all, Having finally got my disciple to work, I'm starting to have a look at hacking multiload games. Is there any archive on the web with games t…

    ... . It also had an 8K RAM bank in the 8-16K area ... was able to bank in the disk's RAM bank and jump into ... . The code in the disk RAM bank converted the data block # to ...
    Alcoholics Anonymous Alcoholics Anonymous May 2004 Sinclair Miscellaneous
  • online speccyHi Is there a community where speccysts play games online (for example by EmuzWin's NetPlay)? Gal

    ... which pages in an extra RAM bank containing a buffer or something ...
    jonathan jonathan June 2005 Games
<1234567…34>

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bank 3.6K 5.8K

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