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IM2 Loading on +3EHi there Speccy Guru's, As some of you know, I've spent a while building the ultimate image for +3e, it's currently at 6000+games and demos and i've…
... on the timer @ 23673, maybe ram is not refreshed if im1 ... -
Joystick InterfacesDoes anyone have a spare 9-pin D-sub male (the hollow type with the pins) connector with circuit-mount legs on the back (as opposed to the solder-buc…
... ://cgi.ebay.co.uk/VINTAGE-RAM-SPECTRUM-JOYSTICK-INTERFACE-Mk-II ... ://cgi.ebay.co.uk/VINTAGE-RAM-SPECTRUM-JOYSTICK-INTERFACE-Mk-II ... -
Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…
... IN 31 from the screen RAM.
If the Kempston ... -
Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…
... of ROM & 48K of RAM, but where does the graphics ... -
RIP Frodo the Rendering Beast, 2006-2010Please, no flowers :) Frodo died a couple of days ago whilst rendering a very-close-to-finished version of the 1990 chapter intro animation. Rather …
... PC (Core 2 Quad, 4GB RAM) which will give me a ... increase and twice as much RAM to play with - quite looking ... -
Peter Giblin 1984/1985Philip Giblin Early boards on eBay As revealed in the letters pages of YS in 1984, Philip Giblin produced boards for the SOFT-ROM and two of his bo…
... to select whether ROM or RAM is used by PEEK and ... bought with two big 8K RAM chips instead of the little ... -
converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …
... original ZX 48 rom to ram memory with write protect
ram
- in adress space 0 ... -
Spectrum+ from ebayI recently received a Spectrum+ that I bought off ebay for about ?10 including postage. I have not tested it yet but had a quick look inside through …
... were all ULA, transistor and RAM faults, or combinations thereof. Anyone ... -
WILD PLAYER for DIVIDE / DIVIDE+ / MB02+IDEIt's new music player by BUDDER. Is designed for DIVIDE and all compatible IDE interfaces. This software work with FAT32 or CD/DVD. Use comfortable F…
... . WILD PLAYER need minimum 128kB ram (for ZX128 models) or 256kB ... -
Who can fix my Flash programmer code?I have a problem with some code, it doesn't work and I don't have any idea what it's trying to do, or failing to do! The code in question is the fla…
... very much *NOT* a z80 asm person so really can't ... -
Rom Routines list ?Exist some document that show detailled the routines on the spectrum ROM ? Ad for the Spectrum +3 ? are they the same or exist more ? Example i was …
J Invalid I/O devide, why ?Just tinkering with the asm code i got this error when executed the C/M: J Invalid I/O devide the liune that caused this is 'Call 15DE' that calls t…
Just tinkering with the asm code i got this error ...How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…
... to draw a line in asm ? because i cant get it ...+2A extended memory map & ULA bug?The [URL="http://www.worldofspectrum.org/faq/reference/128kreference.htm"]128K reference page[/URL] says: [quote]The ULA bug which causes snow when I…
... to special paging mode, with RAM bank 4 (contended memory) in ...Hypothetically....If you were putting together a "Spectrum +4" what presently available hardware would you include. My criteria would be total comparability (or as ne…
Summer express game competetionHello to all. I would like announce SUMMER EXPRESS GAME COMPETETION: [B]Theme:[/B] a game [B]Deadline:[/B] 1st September 2010 [B]Target:[/B] ZX Spe…
... your own routine somewhere in ram.
7) Image of game ...I'm not getting a picture up on my puter screenToday, I switched the jumpers on my hard drives, so that master became slave and slave became master. But when I switched my computer back on, it all…
... my graphics card and my RAM, and I blasted awayy the ...PC questionsI tried to switch on my PC on sunday morning but nothing would happen. I initially thought the fuse had blown in the socket but when i changed it it…
... ) Advent with intel E3400, 3G RAM, 360G hard drive, Windows 7 ...48 Issue 3b working but very hot ula and cpuSalve to everybody I bought from e*ay an Issue 3b 48k , fitted in a + case. Fixed the keyboard problem with a new keyboard membrane from good Rwap (w…
... is hot too. And all ram chips are slightly warm. All ...multicolor on 48Kmany people tried multicolor 8x1 on 48K model and ended with maximum width about 18 chars. yesterday i tried [b]8x2[/b] on 48K and achieve 24 char wi…
many people tried multicolor 8x1 on 48K model and ended with maximum width about 18 chars.
yesterday i tried [b]8x2[/b] on 48K and achieve 24 char wide multicolor.
is there any demo showing 8x2 with one video ram ?z88dk and kempston problemHi, I was working on a new project using z88dk, but when I was testing I found that I got complete strange values if I pressed UP and FIRE simultane…
... /z88dk/libsrc/input/spectrum/in_JoyKempston.asm?revision=1.3&view ...Skool Disassemblies 20100723A new release of the Skool Disassemblies is available. To see, get, use or enjoy the new release, you have three options: [list] [*]browse it [url=…
... option, because it can build ASM versions of the disassemblies as ... as the HTML versions. The ASM versions can be fed into ... assist in creating HTML and ASM disassemblies of other Spectrum games ...You need this (Windows) programAs any Windows user knows, sometimes you HAVE to reset Windows. Sometimes it's because you've just installed or uninstalled a program, and Windows ne…
... to reset as the free RAM is dangerously low (how does ... just resets, losing everything in RAM at the time.
Sprinter 2000You can pick this up from me (I live in Derby) It's a brilliant clone of the Spectrum that because it's implemented in fpga it can switch between 10…
... access to 4 megabytes of RAM.
make me an ...Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…
... unless I use the 64K RAM banking feature of the +2A ... and on its place the RAM is connected.
Bit ...
A=1 for RAM 0,1,2,3
A=5 for RAM 4,5,6,3
A=7 for RAM 4,7,6,3
Loss of innocenceI suppose my ZX Spectrum era lasted longer than most (although not sure longer than most of you on here). I received my first Speccy back in '83, and…
... amazing. A real keyboard, 256KB RAM. A different colour per-pixel ...ZX Spectrum +2A glitchesHi again! I'm very happy to realize that there are so many people ready to help and even argue for how to help better. Hope there is no limit for amo…
... some of higher sectors of RAM, while lower ones still work ...48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…
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The upper RAM, from 32KB to 64KB on ... away. Going over the RAM chips with the scope I ... Interface 2 which has a RAM test, the original fault ... and the short ram test failed with "RAM Error @8000 BTS ... each of the upper RAM chips contributes a single bit ...
