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Search Again :: Adv Search 1000 results in 0.013s
<1234567…34>
  • Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…

    ... time.

    3. Use 128k bank-switching.


    What ...
    windenNTW windenNTW July 2003 Games
  • Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…

    ... />
    [quote]
    3. Use 128k bank-switching.
    [/quote]
    The ... game will only function on 128K machines. If you choose this ...
    Alcoholics Anonymous Alcoholics Anonymous July 2003 Games
  • 128K dev / PASMO (or alternative) question...When I assembly my code, I have it set up so that PASMO automatically creates a TAP file complete with loader, and this works great for 16/48k Do y…

    ... as compressed levels and which 128K bank are used which make the ...
    bobs bobs September 2009 Development
  • 80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…

    ... 8K offset.

    The 128K bank switch alters different address line ... for its second bank. But, they could have implemented ... mode *as well*, with whatever bank offset they wanted, including 8K ...
    csmith csmith August 2012 Sinclair Basic
  • Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…

    for the 128k bank switching stuff
    does the programmer decide where to put arrays of data? or is the whole thing hidden from him?
    slenkar slenkar December 2014 Development
  • Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…

    ... /> [QUOTE=slenkar;808713]for the 128k bank switching stuff
    does the ... sections for each 16k memory bank of the 128, eg, and ...
    Alcoholics Anonymous Alcoholics Anonymous December 2014 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…

    ... /> 'While compiling to memory bank 16k, address must not exceed ... the 128k bank stuff first.

    I originally had the 128k bank stuff ... going to be a huge bank of numbers and I ...
    So EmuZwin wants the 128k bank stuff listed first.

    MatGubbins MatGubbins August 2015 Emulators
  • P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…

    ... as simple as switching ZX 128K banks.
    Access to ROM ... not true for all ZX 128K banks.

    But with ... with an un-contend ZX 128K bank.


    [quote="Jerri ...
    RMartins RMartins June 2016 Development
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... for 48k, 111,34 for 128k)
    JP BEFORPUL0 ; JP, 10 ... hell, to be used for bank switching, for resource data.
    bank switching, if what I found ... required to write to a 128K bank switching register. Hack, even if ...
    RMartins RMartins July 2016 Hardware
  • ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…

    ... hell, to be used for bank switching, for resource data.
    128K bank switching register. Hack, even ... />
    Hi RMartins, well, a bank switch takes 5milliseconds. I wouldn ... the PIC firmware and make bank switches in that little time ...
    Dan Dare Dan Dare July 2016 Hardware
  • TAP creator for 128k —tapbas question, PASMO alternative?Hi I have always used pasmo to assemble and output with a loader using —tapbas However, this only works for 48k I want to be able to specify…

    ... , structures, and a taploading for 128K.. not extensively tested so would ... 0xf8
    OR 3 ;Select bank 0
    LD BC,0x7ffd ... any sample code of the 128k bank switching working with the --tapbas128 ...
    robpearmain robpearmain September 2019 Development
  • 128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…

    ... contention issues of the various 128K/+2/+2A/+3 spectrum ... which is in the 16K bank $4000-$7FFF. Hence if ... in, so without any bank switching, that is where ... screen. I understand that bank 2 is already resident at ... machine is 128K/+2 and if so load into bank 4 ...
    adrian_singh adrian_singh May 2017 Development
  • BASin and the 128k commandsI've decided to look at incorporating the 128k commands PLAY and LOAD!, SAVE!, MERGE!, VERIFY! for the ramdisk. It won't be full 128k emulation. No …

    ... to look at incorporating the 128k commands PLAY and LOAD!, SAVE ... be full 128k emulation. No bank switching. You'll get 128k snapshots out ... rather have? Full 48k, or 128k?

    D ...
    Dunny Dunny November 2005 Sinclair Basic
  • 256K RAM chips in Spectrum 128KSince I have lot of 256K RAM chips, and my 128K has RAM error, I think about replacing all 16 RAM (64K ones) chips with 256K chips. Then it would be …

    ... 256K RAM chips, and my 128K has RAM error, I think ... , 2 things are important here: bank switching of that extra RAM ...
    piters piters October 2006 Hardware
  • What's wrong with 128k Spectrums...Prolly best posted here in the chit-chat section: 1. The "Delete" Key You've spent a good deal of your time working with a "dead flesh" 48k, and yo…

    ... , and you upgrade to a 128k+. Who decided that it's ...

    Wow, with a 128k Spectrum games take ages longer ... load - all that, ahem, lovely? bank switched goodness :) The Chuntey Field ...
    jp jp May 2008 Chit chat
  • UWOL, quest for money - The MojonTwins (ZX SPECTRUM 128k)Uwol didn?t have enough after earning about the 90% of all the income which resulted of selling retrovideogames in Spain and getting himself rich. No…

    ... while he keeps engrossing his bank account, ?cause that?s the ... extra life.

    Spectrum 128k version : [url]http://www.mojontwins ...
    jf_jara jf_jara December 2009 Games
  • 128K Contention - How to get it right?With my recent hardware hackery, I've built a 128K (toastrack) clone. I can't quite get the contention right though. What I'm lack is a clear descri…

    ... semi-correct version detects a 128K machine, and passes both High ... the contention behaviour for the 128K ports?
    2. How does ... 128/+2 have different memory bank models, does not help either ... really talking about the 128?, bank bit B0 implies odd pages ...
    csmith csmith July 2011 Hardware
  • 128K+2A/+3 RAM layoutDoes anybody know how physical RAM is mapped to ZX 128k+2a/+3 address space ? There are four 64Kx4 chips IC4-IC7. IC4-IC5 seems to be contended (vide…

    ... RAM is mapped to ZX 128k+2a/+3 address space ?
    bank goes to which part of ...
    kpuchatek kpuchatek July 2011 Hardware
  • 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…

    ... /examples on the fundamentals of 128k coding.

    ... 65535.

    Setting BANK 7 as the screen by ... . The screen memory in bank 7 is a 49152, ... I need to page to BANK 7, and tinker with ... not necessarily decided on the 128k only route, I though ...
    R-Tape R-Tape October 2012 Development
  • 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…

    ... a repair of a standard 128K a friend of mine handed ... past, this is my first 128K and it really seems I ... changed the whole contended RAM bank, the Z80, ROM and PAL ... also the whole uncontended RAM bank?
    Falco-F8L Falco-F8L October 2012 Hardware
  • maximum addressable RAM for a Z80 using bank switching?What is the maximum addressable RAM for a Z80 using bank switching? The Enterprise64 home computer could address up to 4MB, is this the limit for a …

    ... RAM for a Z80 using bank switching?

    The Enterprise64 ... a Z80?

    A bank switching scheme allows the memory ... data as well. On the 128k model, the additional 64 kB ...
    Rebelstar Rebelstar February 2013 Hardware
  • 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…

    ... want a good resource for 128k asm programming.

    Mostly ... find out how the RAM bank switching works and the screen ...
    Kiwi Kiwi November 2013 Development
  • 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…

    Hi - I recently won a 128K toast rack, and have got ... membrane?2. 128K Memory test runs through up to bank 7 but ... "OK, testing Bank Select.. ** BANK SELECT FAILED **"
    3. 128k Video page test ... sound at all from the 128k specific AY sound tests. The ...
    stevebrowne stevebrowne June 2015 Hardware
  • 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…

    ... is used to define RAM bank (n=0..7) or ROM ... bank (n=0..1).
    If ... to assemble to a particular 128k ram bank? I only need to ... use one bank, so
    which is the ...
    MatGubbins MatGubbins August 2015 Emulators
  • How did bank switching work on the 128K Spectrums?I'm new to Z80 and ZX Spectrum. So I was wondering how the 128+ models managed to work with more than 64K of memory? I'm somewhat familiar with h…

    ... 'm somewhat familiar with how bank switching works (I believe the ...
    cbmeeks cbmeeks October 2015 Hardware
  • 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…

    ... ve been pondering on the 128k memory thing a bit, ... major selling points of going 128k in the first place.< ... /> - bank 0
    - bank 1
    - bank 2 always resident
    - bank 3
    - bank ...
    Since audio on the 128k doesn't need busy looping ...
    Sol_HSA Sol_HSA May 2017 Development
  • TAP creator for 128k —tapbas question, PASMO alternative?Hi I have always used pasmo to assemble and output with a loader using —tapbas However, this only works for 48k I want to be able to specify…

    ... assembler what bank I am using and auto create a 128k loader ... something like

    .Org bank 5

    Incbin

    Org bank 6

    Incbin
    robpearmain robpearmain March 2019 Development
<1234567…34>

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