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<1…25262728293031…34>
  • Opinion on new 128K only gamesHello, Being new to the WOS community, I am unclear on the attitude towards 128K only software, that is; Is there a strong need to support the 48K m…

    ... /> There is a mod for MB02 compatible 512KB RAM expansion for ...
    Alien 8 Alien 8 October 2010 New game ideas
  • The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …

    ... A system known as DMA (Direct Memory Access) ... ) and using the DMA engine to transfer data ... rts

    ; ---------------------------------< DMA >---------------------------------

    ; > ... Words...

    dma
    add.l d3,d3 ...
    ASM ASM October 2010 Sinclair Miscellaneous
  • DMA interface for ZX Spectrum[url]http://velesoft.speccy.cz/data-gear.htm[/url] This is internal DATA-GEAR interface for any 8-bit computer with Z80CPU. Use Direct Memory Access…

    ... of some video of wokring dma for sam?
    no ... 90degrees to right rotate
    dma drvie ay8912 - can it ... />
    what benefit is dma for vector 3d stuff? freescape ... trasnfer then the 4mhz dma woudl be able to ... to sam scren$ the dma would come in very handy ...
    Roger Jowett Roger Jowett October 2010 Hardware
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... /> only real spectrum emulator has dma from mb-02+ support?
    Roger Jowett Roger Jowett October 2010 Emulators
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... - did it have a blitter/ dma to do this please?
    Roger Jowett Roger Jowett October 2010 Emulators
  • Date/Time/Autostart by hardware?Hi everyone, to use the good old zx spectrum for daily work I (and most of all other people) need some "elementary" functions: date, time and autosta…

    ... ://www.benophetinternet.nl/hobby/mb02/[/url] ) contain RTC chip. Same ... about automatic boot:

    - MB02+ interface use boot after power ...
    velesoft velesoft October 2010 Hardware
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... /> Built in linaer and rectangle DMA.
    SYS instruction to communicate ...
    ASM ASM October 2010 Development
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... br /> DMALF_MASK equ 1111111111111110b ; Start DMA linear fill.
    DMARF_MASK equ ... 1111111111111101b ; Start DMA rectangle fill.
    DMALC_MASK equ ... DMARC_MASK equ 1111111111110111b ; Start DMA rectangle copy.
    INTEN_MASK ...
    ASM ASM October 2010 Development
  • emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…

    ... /> only real spectrum has dma from mb-02+ support?< ... of some video of wokring dma for sam?
    ... to right rotate
    dma drvie ay8912 - can it ...
    what benefit is dma for vector 3d stuff? freescape ... side efect on enulmator dma when loading from spectrum ...
    ASM ASM November 2010 Emulators
  • TR-Dos emulator for DivIDE?[FONT=Verdana][SIZE=2]Gives it a TR-Dos emulator for DivIDE? I only found this: [/SIZE][/FONT][FONT=Arial][SIZE=5][FONT=Verdana][SIZE=2]DivIDE SYSTE…

    ... -DOS emulator is writed for MB02+ interface and use extra ram ...
    velesoft velesoft November 2010 Hardware
  • divide deviceHi, This is first my first post,so hello to you all I first Spectrum 48k was a Xmas present way back in 1983,best gift ever. Then I moved on to a C…

    ... (512kB rom + 512kB ram) with MB02 compatible paging. This memory can ...
    velesoft velesoft November 2010 Hardware
  • Z80 Based Laptop[url]http://www.retroleum.co.uk/electronics-articles/previous/the-v4z80p-a-z80-based-laptop/[/url]

    ... partial Spectrum compatibility. It uses DMA cycles to slow down CPU ...
    kpuchatek kpuchatek November 2010 Hardware
  • Spectrum collection wantedWe've not featured a spectrum collection in the mag lately, so I was wondering if anyone had a collection they'd like to show off?

    ... a Spectrum +2 with rare MB02 Diskinterface with a Slim Diskdrive ...
    Speccyman Speccyman November 2010 Games
  • DIVIDE PLUS - ZX bus protectorI make new ZX BUS PROTECTOR for use with DIVIDE PLUS interface. This is very small "convertor" for connection to new ZX BUS connector. PCB contain on…

    ... right now, when I have MB02+ with SIF interface, and my ...
    Hood Hood November 2010 Hardware
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... utility for DIVIDE PLUS or MB02+ interface
    [url]http://velesoft ...
    velesoft velesoft November 2010 Hardware
  • ROM interface add-ons?Is there a summary description of various ROM interface add-ons, listing things like number of multiple ROMs holdable, compatibility with Interface 1…

    ... ]

    ZXMMC, DIVIDE PLUS, MB02+ and my PROFI INTERFACE can ...
    velesoft velesoft November 2010 Hardware
  • Programming flash eprom on DIVIDE+Can you test it on DIVIDE PLUS ? [url]http://velesoft.speccy.cz/other/flasher-divide-plus.zip[/url] (This flash utility is WINSTON's flasher for dia…

    ... of memory mode (DIVIDE or MB02+), etc...

    [img]http ...
    velesoft velesoft November 2010 Hardware
  • Problem with se basicI use MB02 memory paging (ram 16kB instead 48rom) and via one OUT 23,xx can switch between original 48 rom and SE ROM. But if I write basic program i…

    [QUOTE=velesoft;496060]I use MB02 memory paging (ram 16kB instead ...
    chev chev December 2010 Sinclair Basic
  • Why doesn't my loop work?Can anyone help me understand why my loop doesn't work? Is it to do with how DEC HL affects the flags? [code] ; Read 32k bytes from port 191 as fa…

    ... to additional hardware like a DMA controller).

    And you ...
    RetroTechie RetroTechie December 2010 Development
  • The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…

    ... the memory expansion) and the MB02 are on my to-buy ...
    zxbruno zxbruno December 2010 Hardware
  • Why doesn't my loop work?Can anyone help me understand why my loop doesn't work? Is it to do with how DEC HL affects the flags? [code] ; Read 32k bytes from port 191 as fa…

    ... to additional hardware like a DMA controller).

    And you ...
    trellis trellis December 2010 Development
  • Which joystick interface is best?Hi i just bought spectrum 48k and i must buy joystick intf, but on epay i can't find kempston, so i must choose between: -Protek intf -Interface 2 -…

    ... connect any other interface (Divide, MB02+, etc...)
    velesoft velesoft January 2011 Hardware
  • Which joystick interface is best?Hi i just bought spectrum 48k and i must buy joystick intf, but on epay i can't find kempston, so i must choose between: -Protek intf -Interface 2 -…

    ... three buttons. Same on ZX .... MB02 interface contain joystick connector with ...
    velesoft velesoft January 2011 Hardware
  • Microdrive CartridgesI've read many posts regarding these, and now I have a couple of Microdrives and a few carts I can see what all the fuss is about, those felt pads. …

    ... />
    Not to mention the MB02 interface with 1,86MB per ...
    Speccyman Speccyman January 2011 Hardware
  • Which joystick interface is best?Hi i just bought spectrum 48k and i must buy joystick intf, but on epay i can't find kempston, so i must choose between: -Protek intf -Interface 2 -…

    ... Spectrum with kempston interface (or MB02+). Exist software for it:
    velesoft velesoft January 2011 Hardware
  • DivIDE circuit/logic specsIs the hardware of the DivIDE documented, particularly the contents of the GAL/PAL chips? I'm looking to write a VHDL implementation of it. So far I…

    I would not look at divIDE but rather design something better. DivIDE+ was never finished. It is just MB02+ and divIDE paging. ResiDOS is the only program which is using additional memory.
    Support for 128K is also limited to basic mode.
    kpuchatek kpuchatek January 2011 Hardware
  • DivIDE circuit/logic specsIs the hardware of the DivIDE documented, particularly the contents of the GAL/PAL chips? I'm looking to write a VHDL implementation of it. So far I…

    ... to support some kind of DMA, but I'm ok with ...
    mcleod_ideafix mcleod_ideafix January 2011 Hardware
  • DivIDE circuit/logic specsIs the hardware of the DivIDE documented, particularly the contents of the GAL/PAL chips? I'm looking to write a VHDL implementation of it. So far I…

    ... memory mapping (8x divide)
    MB02+ memory paging
    TR-DOS ...
    velesoft velesoft January 2011 Hardware
  • Strange DivIDE ScreenI've just got an SD card adaptor for my DivIDE and it does something strange. On startup, I can see the DivIDE logo and it registers the adaptor, bu…

    ... Divide (not as much as MB02+IDE though).
    gtsamour gtsamour January 2011 Hardware
  • Strange DivIDE ScreenI've just got an SD card adaptor for my DivIDE and it does something strange. On startup, I can see the DivIDE logo and it registers the adaptor, bu…

    ... Divide (not as much as MB02+IDE though).[/QUOTE]

    toadstool toadstool January 2011 Hardware
<1…25262728293031…34>

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