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<1234567…34>
  • Is bank 7 usable at all?Can you assemble stuff and page bank 7 in and out? I've encountered nothing but problems so far, where does it page to? 49152?

    Can you assemble stuff and page bank 7 in and out?

    I've encountered nothing but problems so far, where does it page to?

    49152?
    daveysludge daveysludge February 2015 Development
  • binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…

    ... want to do in z88dk, but rather in appmake ... for #c000-#ffff in bank 7, etc. You also do ... help making programming for bank-switchable machines easier, ... Once you have a proper linker and sections, "org" ... this anywhere in the z88dk compile/link/build procedure, ...
    Timmy Timmy July 2011 Development
  • binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…

    ... the existing spectrum libraries in z88dk without problems.
    [/quote]< ... , another for #c000-#ffff in bank 7, etc. You also do not ... calling main. The reality is z88dk creates a single data block ... are substrings of longer strings. z88dk does do this and I ...
    Alcoholics Anonymous Alcoholics Anonymous July 2011 Development
  • coding guruOk I'm looking for a to help me in my quest to do my first proper game. The 80's child in me thinks he can do it, But the 2013 man in me knows zip. …

    ... br />
    I would use bank 5 for the screen (the ... sense to use a second bank (bank 7) for the screen if you ... br />
    I would use bank 2 for the code (the ... you don't want the bank running the code to be ... graphics, and ZX BASIC or z88dk for the game logic.
    chev chev September 2013 Sinclair Miscellaneous
  • 128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…

    When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without cancelling the shadow?
    Unique Unique February 2005 Development
  • Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …

    ... 0-2: RAM page (0-7) to map into memory at ... the shadow screen is in bank 7. Note that this does not ... and 0x7fff, which is always bank 5.

    Bit 4 ...
    bverstee bverstee April 2010 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…

    ... means M4 will start either 7 or 8 T-states after ... , or double buffered -- paging RAM bank 7 into a 128K machine) involves ...
    ajmoss ajmoss June 2010 Development
  • Common pitfalls and solutionsLet's discuss some of the common problems in Speccy programming, and the methods we use to avoid them. For an example, here is a piece of code that …

    ... in 128 mode is that bank 7 is used to store bits ...
    Hikaru Hikaru August 2010 Development
  • Here's An Idea...Re: The Definitive Top 10 Without looking back at the original thread, why don't we re-list our top 10 Definitive titles - then copy and paste the o…

    ... /> 6.Yes Prime Minister
    7.3D Deathchase
    8.Emlyn ... .Cyclone
    6.West Bank
    7.The Hobbit
    8.WOTEF ...
    Dwayne Dibley Dwayne Dibley March 2011 Games
  • Coding for 128kHi all, I wonder if anyone can suggest any useful reading/threads/examples on the fundamentals of 128k coding. Chapter 24 of the +2 manual has prov…

    ... 0-65535.

    Setting BANK 7 as the screen by an ... instruction. The screen memory in bank 7 is a 49152, so each ... I need to page to BANK 7, and tinker with it there ...
    R-Tape R-Tape October 2012 Development
  • +2 grey Contended RAMhi all, i have some quenstions about, contended RAM are banks 1,3,5,7 banks are the pairs of IC's (4164), so 1 pairs = 16k X 4 pairs = 64k this 64…

    ... are banks 1,3,5,7

    banks are the ... following pair positions?

    BANK 1 IC's 18-26 ...
    BANK 3 IC's 20-28 ... IC's 22-30
    BANK 7 IC's 24-32
    xaris_sm xaris_sm March 2013 Hardware
  • Enable 128kB paging in emulatorFrom Zx Spectrum documentation ([url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url]) [CODE][SIZE="1"]When memory is being pag…

    ... 0-2: RAM page (0-7) to map into memory at ... the shadow screen is in bank 7. Note that this does not ... and 0x7fff, which is always bank 5.

    Bit 4 ...
    Ralf Ralf June 2013 Emulators
  • 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…

    ... location offset bytes into memory bank page, independent of where that ... bank is currently paged into memory. ... :

    br 7:0x000F
    (RAM bank 7 and offset 0x000F)
    TK90XFan TK90XFan October 2013 Emulators
  • 128k toast rack diagnosisHi - I recently won a 128K toast rack, and have got a Retroleum smart card. I've tried a couple of games and all seems fine...-ish.<div><br></div><di…

    ... up to bank 7 but then says "OK, testing Bank Select.. ** BANK SELECT FAILED ...
    stevebrowne stevebrowne June 2015 Hardware
  • Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …

    ... correctly
    ld b, 5 ; Bank 5
    ld c, 0 ... shadow screen
    ld b, 7 ; Bank 7
    ld c, 8 ; Screen ... 0-2: RAM page (0-7) to map into memory at ...
    pointblnk pointblnk August 2016 Development
  • 128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…

    ... screen / always resident
    - bank 6
    - bank 7 screen

    Since ... banks 5 and 7 need to ... the non-video portion of bank 7) would be data store. These ...
    Sol_HSA Sol_HSA May 2017 Development
  • The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…

    ... )
    and $f8
    or 7 ;Bank #7 (active while we’re in ...
    Ast_A_Moore Ast_A_Moore February 2018 Development
  • Z80onDSK now compatible with +3e with ZXMMC or similarJust updated my utility to work on Spectrums equipped with +3e ROMs and IDE storage. I've tested this with ZXMMC at the moment but don't think there …

    ... of the decompression out of bank 7 to get this working and ... +3e with reduced space in bank 7 for unpacking
    ║
    ║ [snapshot ...
    TomD TomD May 2019 Sinclair Miscellaneous
  • New Utility ZXSTLC[b]New Utility ZX Spectrum Tape (& Disk) Loader Creator[/b] I made this utility to easily create tape and +3 disk loaders for my projects and have…

    ... cut it especially for page/bank 7 which clashed with some of ... , 1, 3, 4, 6 & 7 can be added this way ...
    TomD TomD August 2020 Brand new software
  • 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"".

    ... instruction locks the ram/rom bank configuration and is not implemented ... but makes the top ram bank 7 which is contended so maybe ...
    Fraser Fraser April 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 …

    ... Silicon Disk rubbish? I know Bank 7 is used by the editor ... , so I am avoiding that bank, but will I be OK ...
    trellis trellis 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 …

    ... and Bank 0 is at C000h, and Bank 7 is the only bank used ... BASIC program? (I notice that bank 0 always gets paged back ...
    trellis trellis 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 …

    ... and Bank 0 is at C000h, and Bank 7 is the only bank used ... />
    What address does your bank copying code run at?
    [quote]
    (I notice that bank 0 always gets paged back ...
    Woody Woody August 2003 Sinclair Basic
  • Tough paging questionOK... Take this: 1. We have a program compiled and run from within GENS under a Pentagon 128K environment. 2. The program works perfectly. 3. We sav…

    in 128K mode (not USR 0) the +3 uses almost the complete Bank 7 for DOS variables.
    LCD LCD November 2003 Development
  • 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
  • 128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…

    ... reads the first byte of bank 5 by reading it via ... so it doesn't need bank 7 paging in as it doesn ... memory address takes at least 7 tstates but the ULA can ...
    Unique Unique February 2005 Development
  • 128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…

    ... reads the first byte of bank 5 by reading it via ... so it doesn't need bank 7 paging in as it doesn ... memory address takes at least 7 tstates but the ULA can ...
    cyborg cyborg February 2005 Development
  • 128 ramdisk loaderanyone got a program which will save the contents of ramdisk to tape in one go, rather than saving each file seperately then loading them and save!in…

    ... switch to the next memory bank and reset the load address ... . Or more simply, save each bank as a separate headerless 16k ... the first 2C00h bytes of bank 7 should be saved/loaded; some ...
    John Elliott John Elliott July 2005 Sinclair Basic
<1234567…34>

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