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<1234567…34>
  • 128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…

    ... of 16K banks (8*16=128)
    two of these banks are ... set bit 3 to 1 ;switch to shadow screen, your sprite ... />
    some notes:
    -you switch banks which everyone holds adresses from ... at same place in both banks
    -wait for interrupt ...
    Fikee Fikee February 2006 Development
  • Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…

    ... ). This interface puts a Spectrum 128 permanently in USR 0 mode ... and USR0 mode:
    To switch banks you must enter POKE 23388 ...
    LCD LCD January 2009 Sinclair Miscellaneous
  • Tritone WIP tunesTwo wip's I don't know what to do with. Free to use. https://dl.dropboxusercontent.com/u/9498358/beepola/tritone/super70s.tap https://dl.dropbox…

    ... to find out how to switch banks and I've managed to ... /> Getting to grips with this 128 ram banking stuff is a ...
    MatGubbins MatGubbins August 2015 Announcements
  • Spectaculator Cassette RecorderOn the misc section, someone asked about options to play back tzx files apart from TAPER. I gave him the answer that there aren't many. The best I ha…

    There's also a /128 switch with PlayTZX, perhaps it could ...
    Andrew Barker Andrew Barker November 2004 Emulators
  • ResiDOS v2.00 releasedI've just posted a major new release of ResiDOS, at: [URL="http://www.worldofspectrum.org/residos/"]http://www.worldofspectrum.org/residos/[/URL] T…

    ... from tape every time you switch on.

    [QUOTE]Only ... apps which allocate extra RAM banks (ie ZXZVM) would be stuffed ... to a single port to switch banks. The SE's paging is ... do two port outputs to switch between some bank combinations. It ...
    glancaster glancaster April 2007 Hardware
  • I'm so annoyed.In translation... FOR FUCK SAKE. I got a call this morning from Marbles (my mastercard). Being the suspicious chap I am, I refuse to confirm any d…

    ... />
    Hes now going to switch banks for the first time in ...
    psj3809 psj3809 July 2007 Chit chat
  • 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…

    Nope - there aren't any specific PASMO literals for that. I just get it compile the different sections of code to 49152 so the labels are correct, and then use my main code to switch banks and load each block as required.
    bobs bobs September 2009 Development
  • 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…

    ... use my main code to switch banks and load each block as ...
    robpearmain robpearmain September 2009 Development
  • A question about M1 cyclesI'm writing an interrupt routine that, after the usual register pushes, will jump to a location of my choice with a [b]JP (IY)[/b] instruction. If I…

    ... Or have your interrupt routine switch banks in another memory region than ... banks.

    If you [I]have to[/I] bank-switch ... the OUT instruction to actually switch the block.
    [/LIST ... such "update memory location, switch block" in your main program ...
    RetroTechie RetroTechie July 2010 Development
  • Red DwarfA Red Dwarf video game - good or bad idea? (given its recent resurgence in popularity in the UK) My ideas: [b]Plots[/b] - An interquel which bridg…

    ... memory is to use those banks as a storage library.
    switch banks, so copying from one to ... quick, despite having to swap banks between reads and writes. It ... half of the memory banks. And the banks affected differ between Spectrum ...
    joefish joefish January 2013 New game ideas
  • LOADing 128k's worth of data???Just getting to grips with the concept of the 128's 'bank switching' set up, but how can you load the stuff into memory from tape (or TAP file)? Do…

    My microdrive loader uses an entertainingly complicated juggling system to load all the banks in three compressed parts. Because it has to use the ROM loading routines it can't switch banks mid-load so it has to split them into a maximum of 48k chunks.
    RobeeeJay RobeeeJay May 2014 Development
  • LOADing 128k's worth of data???Just getting to grips with the concept of the 128's 'bank switching' set up, but how can you load the stuff into memory from tape (or TAP file)? Do…

    ... system to load all the banks in three compressed parts. Because ... loading routines it can't switch banks mid-load so it has ...
    chev chev May 2014 Development
  • New Game: R-Swype Reloaded[img]http://s10.postimg.org/sldc6znah/rswype_preview.png[/img] Heavily reworked version of the 2013 css crap game entry, originally written for th…

    ... game is strewn across many 128 RAM banks.

    Its an ...
    daveysludge daveysludge December 2015 Brand new software
  • Best Z80 Assembler for PC?There's probably already a thread for this so if somebody could please point me at it I'd appreciate it. If there isn't then please respond here wit…

    ... , then when that runs simply switch banks and just load in everything ...
    joefish joefish February 2016 Development
  • 128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…

    ... second and third always contain banks 5 and 2, whilst the ... +2A/+3 you can page banks into other blocks, and the ... here, including ASM for swapping banks:
    http://www.worldofspectrum.org ... top 16k bank and you switch banks, the PC will increase as ...
    RobeeeJay RobeeeJay February 2016 Development
  • 128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…

    ... Seto Taisho Vs Yokai to switch banks in order to load data ... from tape in banks 1, 3, 4, 6 and ... )
    RET
    [/code]
    Banks are then switched with this ...
    Alessandro Grussu Alessandro Grussu February 2016 Development
  • ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …

    ... stages are trivial: 3 to switch banks, 1 to copy data, 2 ...
    Einar Saukas Einar Saukas April 2016 Brand new software
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... devise some form to switch banks, either physically (switch) or by software (for ...
    RMartins RMartins June 2016 Hardware
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... access to said address would switch banks?

    That wouldn't ... the byte contents before bank switch =)

    For a more ... the data in those bank switch bytes harder to access.
    Sol_HSA Sol_HSA June 2016 Hardware
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... access to said address would switch banks? [/quote]
    The trouble is ...
    1024MAK 1024MAK June 2016 Hardware
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... access to said address would switch banks?[/quote]

    And how ... doesn't allow you to switch the ROM OFF, so that ...
    RMartins RMartins June 2016 Hardware
  • ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…

    ... access to said address would switch banks?[/quote]
    And how would ... byte case, each byte would switch to a specific page. The ...
    Sol_HSA Sol_HSA June 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…

    ... is documentation on how to switch banks.
    I read the manual ...
    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…

    ... is documentation on how to switch banks.
    I read the manual ...
    Dan Dare Dan Dare 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…

    ... understand how to do bank switch.

    Thanks for the ... is documentation on how to switch banks.
    I read the manual ...
    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…

    ... that needs to access multiple banks in a short space of ... I can make the HW switch banks in around the same time ...
    Dan Dare Dan Dare 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…

    ... that needs to access multiple banks in a short space of ... need to be able to switch banks fast to page in a ...
    RMartins RMartins July 2016 Hardware
  • Comp.Sys.Sinclair Crap Games Competition 2017As the creator of the second-least crap game in last year's competition (and the only mug stupid enough to agree to host it this year) I am proud/ash…

    ... either 255 or 254 to switch banks.

    Happy Scrolling!
    joefish joefish January 2017 Games
  • c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…

    ... is because the RAM banks are different between 128/+2 and +2a ... contention as well, on 128/+2, banks 1,3,5,7 are ... contended, on +2a/+3, banks 4,5,6,7 are ...
    FrankT FrankT March 2017 Announcements
  • c64 .sid player coming soon to specy 128!!!c64 .sid player coming soon to specy 128!!! the first old version uses only square waves, 4 years ago: https://www.youtube.com/watch?v=6CKt9noxA7s…

    ... is because the RAM banks are different between 128/+2 and +2a ... contention as well, on 128/+2, banks 1,3,5,7 are ... contended, on +2a/+3, banks 4,5,6,7 are ...
    Geco Geco March 2017 Announcements
<1234567…34>

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HitBox

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128 9.4K 14.8K
switch 7.6K 10K
banks 1.4K 1.9K

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