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  • Sam coup? - some questionsHi everyone. Got myself a sam coup&#233; without any kind of cables. I was a bit suspicious about it's working condition. Hooked it to a pc at psu a…

    ... ? I mean, where is mapped ROM, where is the videoram and ... ? [/QUOTE]

    When you switch the Sam on, and say ... is mapped in Page B (16384-32767)
    [Page 0 would have ... (32768-49151), and page 2 is mapped to Page D (49152-65535 ...
    Quazar Quazar November 2006 Hardware
  • Opus Discovery 720K DriveOK, so I bought an Opus Discovery recently. Went through a whole process of fitting a second drive, which I know to be 720K. Eventually got the thin…

    ... figure out how to modify it (thanks to the Opus ROM disassembly ... selected. I may start a page on my web site now ...
    DEATH DEATH November 2006 Hardware
  • Opus Discovery 720K DriveOK, so I bought an Opus Discovery recently. Went through a whole process of fitting a second drive, which I know to be 720K. Eventually got the thin…

    ... figure out how to modify it (thanks to the Opus ROM disassembly ... selected. I may start a page on my web site now ... releases of the ROM (at least), and the ROM version I got ...
    Marcelo Marcelo December 2006 Hardware
  • Replacement ROMsSo, I've replaced a couple ROMs in my +3 to be a +3e. I used a couple of 27c256's, which has worked a treat. So if I wanted to replace the ROMs in …

    ... plug into the Spectrum's ROM socket, such that I can ... a 16K page, you could use a 128Kbyte Flash ROM like the ... chip and be able to switch between them :-) (However, it probably ...
    Winston Winston December 2006 Hardware
  • Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…

    ... the library graphics functions using ROM calls it may not have ... forced to always keep one page aside for sprites, graphics and ... management and pages in and out as needed so what I ...
    DonkeyPong DonkeyPong December 2006 Development
  • Developing the Spectrum ROMI'm working on some Z80 assembler for a Z80-based single board computer that I'm building. For the things that don't poke my hardware, I'm using a Sp…

    ... Dr Andy Wright (the ROM's author) in Sam ... screen memory. I was running out of room! Fortunately I ... could replace the Spectrum's ROM. The transition to using ... I would have to work out why by sheer head- ... I couldn't switch in RAM in the ROM area, where my ...
    Quazar Quazar December 2006 Development
  • Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …

    ... block in the current screen page (specified by CUSCRNP); the first ... CUSCRNP in order to temporarily switch the screen in. If the ... there.
    2. Call the rom routine to blit it into ... them onto screen using that rom routine, then load in the ...
    DonkeyPong DonkeyPong January 2007 Development
  • Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …

    ... can't easily swap a page in of data for ... sprite data into 1 16k page.

    2. Put ... />
    3. Call the rom to page (1/2) into memory when ... at a time to limit page swaps.

    That ... sprite routines page will need to get swapped in and out of ...
    DonkeyPong DonkeyPong January 2007 Development
  • Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …

    ... pointed out I just need to call the ROM to ... have to be paged out when it no longer ... ]
    [game loop]
    - - Page in back buffer into active ... - Update the gamestate page(s)
    - - Use the ROM to blit the ... instruction list to the sprite page
    - - Put ...
    DonkeyPong DonkeyPong January 2007 Development
  • Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …

    ... pointed out I just need to call the ROM to ... to call the ROM.

    You just OUT data to ... /HMPR/LMPR registers.... either OUT in assembler, or there ... br />
    You can page stuff around, and set VMPR ... (unless of course you page out the code the Z80's ...
    Quazar Quazar January 2007 Development
  • Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…

    ... /> The stack needs to stay out of the paged area (the ... ? The examples in the spectrum rom seem to use the register ... - which requires me to manually page in ROM 3 and RAM 0 ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... orders from european countries came out broken or damaged, which this ... />
    I was reading DivIDE page, and saw the RWAP's ... I need to upgrade divide rom in the future (eg. esxdos ... mode only (and use +3e ROM on the Spectrum+3, then ...
    rwap rwap January 2007 Development
  • Amstrad takeoverHello guys, Let me introduce myself - I'm the owner (well, if you can call it that?) of [url=http://www.cpcwiki.com]CPCWiki.com[/url], and obviously…

    ... for the types of Spectrum out there.[/quote]

    Not ... />
    The Classic Spectrum Basic ROM could have been moved to ... 's etc). Add a turbo switch to allow for timing dependent ...
    dasteph dasteph January 2007 Sinclair Miscellaneous
  • Your favourite free tools.Which free (non-speccy related) softwares/tools do you use? Share your favourite along with a line or 2 on why you recommend it. Maybe some of us wil…

    ... as they were recently bought out by [url=http://en. ... I can get Format magazine out of the archive painlessly?[/ ... but indispensible! Makes your DVD-ROM drive region-free, disables ... notices and trailers, you can switch subtitle/audio track while watching ...
    StuBruise StuBruise January 2007 Chit chat
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... the changes ? As Dunny pointed out - we do not see a ... no possibility to actually page in the proper ROM pages when the ...
    Tom-Cat Tom-Cat January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... in the EDITOR rom, so when EDITOR rom runs, this mapping ... - block divide automaper when EDITOR rom is in - is bad. ... firmware - to page original 48k rom in - out 1ffdh,4h; out 7ffdh,10h). all ... blocking solution, based on paged rom, will render 128k snap- ...
    zilog zilog January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... /> I think the possible RAM/ROM extension should be a matter ... to be able to switch between, say, four ROM pages (the amount ... with divIDE paging in 128k ROM enabled, maybe it would be ... possible to detect which ROM has caused a page-in (by examining ...
    baze baze January 2007 Development
  • ResiDOS v1.92 and +3e ROMs v1.30 releasedI've just updated ResiDOS to v1.92, and the +3e ROMs to v1.30. Full details can be found at: [URL="http://www.worldofspectrum.org/zxplus3e/"]http://…

    ... RAM of some description (just ROM isn't sufficient since you ... /> And if you want to switch between multiple tasks, then the ... 'd lose the ability to switch between cards so easily.
    out much more expensive than a ...
    glancaster glancaster January 2007 Hardware
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... yes extending the jumpers out to switches is an option ...
    The extra RAM/ROM is that suggested by Yarek ... is now on our web page).

    When ... pointer to the following commands OUT (C),BOP BC:RET ... This will first jump to OUT, change the bank, restore ...
    rwap rwap January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... from one medium and then switch to another. Which means, if ... that two "val" bits select ROM page.

    or, consider the ... , 0010 and 0011 for additional rom paging, but this can be ... 00 for a 4-bit page-value. So it's clear ...
    zilog zilog January 2007 Development
  • DivIDE and RWAP's DiwIDE*Opps, sorry, wrong forum, this thread must be in hardware topic.* I was planning to get a divide from Rwap, but I'm too afraid of long way the devi…

    ... operated by means of a switch so that people can choose ... (628512 SMD soldered) and 512kB ROM (29F040 PLCC in socket, address ... ..Q4 select a 16kB page for ROM/RAM modes and 32kB ... disables the internal ROM permanently and provides custom ROM contents with traps ...
    rwap rwap January 2007 Development
  • Help make Retro Gamer greatI'm more than happy with the articles that are now appearing in Retro Gamer, but I want it to become far more of a hub for the retro community than i…

    ... 32K SRAM, 128K Flash ROM and some memory paging logic ... is on my Z80 project page - [url]http://www.alioth ... Projects/Z80[/url] (this page needs an update badly!) ... whole thing (PCB layouts, ROM code etc.) will all be ... ago!) but I missed out on the whole "build ...
    Winston Winston March 2007 Games
  • 16k Spectrum.How come emulator's in 16k mode don't provide 32 ram-pack support.

    ... ROM.
    [b]Note:[/b] The address which triggers it to page ... it [i]toggles[/i] the ROM to page in and out.
    BloodBaz BloodBaz March 2007 Emulators
  • Zx Spectrum Laptop (again)I've been reading all the old treads about a possible portable speccy. I even found the one about the Speccy Laptop. But it seems there's a lot of ne…

    ... key Spectrum you could switch out the NMOS and TTL ... />
    Memory - replace the ROM with a modern CMOS Flash ... FPGA requires an external ROM and has to reload ... to scan RAM is out of the question! One ... packages for RAM and ROM. These are still solderable ...
    Winston Winston March 2007 Sinclair Miscellaneous
  • 16k Spectrum.How come emulator's in 16k mode don't provide 32 ram-pack support.

    ... forth=1
    This will switch from BASIC to Forth. YOu ... and the object code directly out to a Microdrive stream (even ... .

    Finally, the MicroSource ROM is [b]NOT[/b] paged ...
    BloodBaz BloodBaz March 2007 Emulators
  • Spritual successor to the Speccy1988-1995 - Atari ST/STe/Falcon 1995-2000 - ? hmmm ? 2000-2006 - Playstation 2 with a keyboard 2007- ?

    ... the new ROM versions?[/QUOTE]

    Just pulled out a ... two glitches to sort out in the final PCB ... the time to sort it out.

    If ... - scroll down the main page at [url]www.samcoupe.com ... you ever get to try out the SAMCo graphics accelerator ( ...
    Quazar Quazar March 2007 Sinclair Miscellaneous
  • Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …

    ... at 0000h to do the page swap?

    I think ... , you may be two bytes out. This could be the cause ... instruction). Your return to BASIC ROM code could do a JP ... ;s first 8 bytes of ROM?

    [b]I stll ...
    BloodBaz BloodBaz March 2007 Emulators
  • CEZ-GS strikes back with new Spectrum stuff...Something new is aproaching...March 10th will be a great day for our Spectrum! as you can read in this news... [url]http://computeremuzone.com/?id=n…

    ... to handle, as I could switch the bank, do the ... work and switch back to RAM 0.
    page and just page them in when ... , it is always difficult to switch :).[/QUOTE]

    Yeah :-) ... all seem to have run out of gas as additions ...
    Alcoholics Anonymous Alcoholics Anonymous March 2007 Games
  • Galaksija emulator for ZX Spectrum +3/+2A(black)This is a NEW program/utility/game pack for ZX Spectrum. It is basically an emulator of an ex-Yugoslav computer "Galaksija" which is also Z80 based. …

    ... return $FF.

    To page RAM into the bottom 16K ...
    OUT ($F4),A

    To page the normal BASIC ROM back ... in:

    XOR A
    OUT ...
    Tom-Cat Tom-Cat March 2007 Emulators
  • Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …

    ... MicroSource pages itself out using IN or OUT commands or even ... standard PRINT functionality from the ROM (RST, channels, etc.) as ... called but failing to page BASIC ROM in and then calling ... the predetermined BASIC ROM address with the MicroSource ...
    BloodBaz BloodBaz March 2007 Emulators
<1…14151617181920…34>

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