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<1…16171819202122…34>
  • DooM on Spectrum 128kHello my fellow WoS'ers My hope is that you can help me, recently I discovered a DooM clone -esque on the Humble spectrum, - here is a [URL="https:/…

    ... working OK by resolving the paging problem so that I can ... reload blocks from a RAM backup rather than tape. I ...
    Battle Bunny Battle Bunny August 2012 Games
  • ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…

    ... all snapshots
    ;Z80 snapshot - ram pages is loaded to correspond ... 16384 and ram 2 to adress 32768 )
    ;fixed rom paging for ... 16384 and ram 2 to adress 32768 )
    ;fixed rom paging for ... code
    ;fixed all ports (paging port value is always 7FFD ...
    velesoft velesoft August 2012 Announcements
  • 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…

    ... using IM2. But that 64K RAM mode with the screens always ... uses all the contended RAM banks at once. So does ... initially was that thing about paging in the alternate screen. The ...
    joefish joefish October 2012 Development
  • 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…

    ... using IM2. But that 64K RAM mode with the screens always ... it would otherwise make that RAM configuration fail.

    [ ... it ever actually care. The RAM page holding the current screen ... initially was that thing about paging in the alternate screen. The ...
    AndyC AndyC October 2012 Development
  • Conversion of Paralactika DemoHello, we are producing our disk magazine SCENE+ and wanted to release the demo PARALACTIKA by DeMarche. However, we failed to contact that group, b…

    ... is intended to switch between RAM pages, but that only works ... track of the currently active paging. This doesn't happen in ... , we need to do the paging directly, using an OUT to ...
    gasman gasman October 2012 Development
  • Conversion of Paralactika DemoHello, we are producing our disk magazine SCENE+ and wanted to release the demo PARALACTIKA by DeMarche. However, we failed to contact that group, b…

    ... is intended to switch between RAM pages, but that only works ... track of the currently active paging. This doesn't happen in ... , we need to do the paging directly, using an OUT to ...
    Speccyman Speccyman October 2012 Development
  • Wolfenstein / Doom for 48k SpectrumHi, is there any game / demo of this kind that runs on 48k machines? Thanks.

    ... the player code to Uncontended RAM making it sound much better ...
    nuggetreggae nuggetreggae October 2012 Games
  • RAM used / corrupted by +3DOSAs I said previously, [url=http://www.worldofspectrum.org/forums/showthread.php?t=41775]I'm trying to put some games in hard disk[/url] so they can b…

    ... +3 can have four RAM pages active at the same ... 0000-$3fff can have a RAM page as well as ...
    Normal: ROM 2, RAM 5,2,1
    fe00 ... boot sector)
    Special: RAM 4,7,6,3
    Normal: ROM 3, RAM 5,2,3
    8000 ... I didn't have the paging right. Now that I ...
    Battle Bunny Battle Bunny December 2012 Games
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... - ď?đň ńňđŕ?č? ďŕě˙ňč (memory paging port)
    Pal - ď?đň ďŕ?čňđű (videopalette port)
    PLLFC - ď?đň ??? ?ŔĎ? (port RAM Phase ...
    velesoft velesoft December 2012 Hardware
  • RAM used / corrupted by +3DOSAs I said previously, [url=http://www.worldofspectrum.org/forums/showthread.php?t=41775]I'm trying to put some games in hard disk[/url] so they can b…

    ... ,$07 (Select ROM0 or 2, RAM 7)? Is it so important ... it is executed we're paging from ROM3 (I think the ...
    Zup Zup December 2012 Games
  • Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…

    ... run correct. This game use paging routines for +3 models = as ... this routines is in high ram from adress #DE0A:

    ram page #04 and game crash ...
    velesoft velesoft December 2012 Games
  • SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]

    ... to the lower 16KB of RAM so the picture doesn't ... prevent an external device from paging in an external ROM and ...
    Fruitcake Fruitcake January 2013 Sinclair Miscellaneous
  • How to check the whole memory on a +2 greyHi everybody!!! I suspect that i have a bad memory chip on my +2 Grey. Does anybody know if exist any utility to check the whole memory? Thanks a …

    ... ; so it does the RAM I/O, paging & checksums.
    ... /> ; Spectrum +2 (not +2A!) RAM test
    ; assemble & run ... br /> [list=a]
    [*]"RAM pass, excluding page [2 or ... )
    [*]"RAM fail: address 0000, page x" (ULA paging error)
    Battle Bunny Battle Bunny January 2013 Hardware
  • Adding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…

    ... programs load data into main RAM and then move it to ... recently; see my posts in "RAM used / corrupted by +3DOS" at ... 'd be no problems with paging or machine code. When I ...
    Battle Bunny Battle Bunny January 2013 Games
  • Another cause for DivIDE problems on 48K'sThe last months some topics were opened to discuss problems with 48K ZX Spectrums and DivIDE. Sofar we found: - Bad Z80's because of poor fanout (si…

    ... that will select a ROM paging routine depending on the Spectrum ... must backup part of ZX ram and move here small ... to detection routine in zx ram
    - routine read some ... from detection routine in zx ram to FATWARE is used ... time here connect external ram.
    velesoft velesoft January 2013 Hardware
  • Converting games to disk: difficult loadersThis thread has an spanish version in foro speccy, but I haven't gathered enough information to overcome my problems. I've been converting some game…

    ... conditional breakpoint watching the memory paging port (WPORT=32765) and other ... that puts data into paged RAM so I can write down ... , and the rest of the RAM from 24576 to the end ... the small block into paged RAM; then it moves the 1280 ...
    Zup Zup January 2013 Games
  • 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…

    ... . One of them is called paging.

    Memory in the ... takes the first 16K and RAM takes the last 48K of ... as it contains the video RAM. If you use extra 16K ...
    na_th_an na_th_an January 2013 New game ideas
  • Beta diskJust something that's been bugging me for a while, is the 128k beta disk interface wired differently to the beta 48k as a piece of hardware, or as I …

    But could an original Beta Disk interface be used with a 128k machine, for instance allowing a 128k game to be loaded by permitting paging of the upper Ram to occur?
    jamorski jamorski February 2013 Hardware
  • 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…

    ... that the extra 16K of RAM you get access to at ... only get 16K of uncontended RAM (in bank 3) for all ... right places using the normal paging mode.

    If they ...
    joefish joefish February 2013 New game ideas
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... . Unfortunately, though, all of the RAM from #0000-#19FF is taken ... code, and all of the RAM from #1A00-#1FFF is taken ... , since we never got its paging (ROMCS handling, most likely) working ...
    zub zub February 2013 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... initialisation. This is with Fuse paging the DISCiPLE ROM in and ... . Since the SAM has no RAM/ROM attached to the floppy ... , and it therefore requires no paging circuitry, I expect that the ...
    zub zub February 2013 Hardware
  • Disabling the +3 disk buffer; yes, but how?I would like to disable the +3 disk buffer in order to retrieve those 4K from the machine's RAMdisk. By reading the computer manual and some posts on…

    ... 3DOS ROM uses Page7 of RAM or not, so to be ... H,0 ; first buffer for RAM Disc
    LD L, ... 128 ; number of buffers for RAM Disc
    CALL $013F ; ... /> DI
    LD BC,$7FFD ; paging port address
    LD A ...
    The_Bert The_Bert February 2013 Sinclair Basic
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... recognition of the different ROM/RAM pages.
    Writing this down ... 'BRUCE' flag. Something poked in RAM, so that that particular page ... in the 'Rudy Biesma' disassembly. Paging is only relevant on 128....
    roko roko February 2013 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 …

    ... practical purposes, you want the paging mechanism to be a fast ... ... or 48KB pages? A flexible paging system should allow for these ... more than X MB of RAM? A Z80 can be given ...
    mcleod_ideafix mcleod_ideafix February 2013 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... recognition of the different ROM/RAM pages.
    Writing this down ... 'BRUCE' flag. Something poked in RAM, so that that particular page ... in the 'Rudy Biesma' disassembly. Paging is only relevant on 128 ... a means of determining which RAM bank is paged in. The ...
    zub zub February 2013 Hardware
  • Getting PC into HLHello, here's a conundrum for you... Is there a way to obtain the value of the PC register (say into HL) without using absolute addressing such as C…

    ... 't have to be in RAM...

    Assuming that the ... IF2 cart or in special paging mode) you just need to ...
    guesser guesser February 2013 Sinclair Miscellaneous
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... By pre-initialising the emulated RAM with the ROM contents, and ... I]" appears which pages DISCiPLE RAM into #0000–#1FFF and DISCiPLE ... disassemblies.

    If the RAM (containing a ROM image) started ... ROM image (in RAM) at #0000 (instead of paging it in at ...
    zub zub February 2013 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... I]" appears which pages DISCiPLE RAM into #0000?#1FFF and DISCiPLE ... /> [QUOTE=zub;684850]If the RAM (containing a ROM image) started ... ROM image (in RAM) at #0000 (instead of paging it in at ... .100)
    This differs from paging the disciple in automaticly via ...
    roko roko February 2013 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... have the DISCiPLE ROM and RAM be paged out upon reset ... (or we?) should prevent the paging in at 0x0001 from working ...
    zub zub February 2013 Hardware
  • The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…

    ... DISCiPLE control port (0x1f). The RAM was initialised to 0x00 upon ... ROM image loaded into RAM and a RAM pre-load image loaded ... 100)
    This differs from paging the disciple in automaticly via ... entirely. Saving the DISCiPLE RAM contents to disk should be ...
    zub zub February 2013 Hardware
<1…16171819202122…34>

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