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MemoryWhat is the highest memory location on a 16k spectrum ?
What is the highest memory location on a 16k spectrum ? -
Vauge arcade memory type recolection.This has been bugging me for a couple of weeks now, and id considered starting a thread about it several times and decided against it. As i havent ha…
... worked. Is this a fake memory, did it realy exist can ... -
Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…
... somehow I'm surpassing the memory I'm supposed to use ... . Unfortunately I'm used to memory management to be transparent to ... do to avoid or minimize memory conflicts like that?
memory and avoid crashes' tutorial, but ... -
New interface for ZXThis is my old (2004) unfinished project of internal interface for ZX Spectrum 128+2: ([url]http://velesoft.speccy.cz/hardware_in_development.htm[/u…
... memory)
Speed-up slow ZX memory (contended memory ... br /> - DIVIDE memory emulation
- MB02 memory emulation
- ... controlled NMI button
- memory paging compatibilty with all popular ... acces to low 16kB for external peripherals
- ... -
memory chips spectrum +Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or …
Hi with regards to memory chips the ones in there are tms4116 in the lower memory.there is some on ebay MCM4116BP20 can i mix these with tms ones or do they all need replacing.or do i have to use tms ones -
128k memory use in multiloadsIs there a way to play golden axe and turtles coin op game on a real spectrum, without having to multiload and just the load the whole game into the …
Is there a way to play golden axe and turtles coin op game on a real spectrum, without having to multiload and just the load the whole game into the memory at once? -
more memoryi dunno if this has been mentioned, apologies if it has (i cant be arsed to search :P) Ive just been reading about the zx81 and it popped into my he…
... speccy? to give it more memory
if i remmeber ... -
More questions to ponder/argue/ignore as you wish...Just copying some stuff to a memory stick, and I found some old questions I'd intended to post on these forums to provoke debate, that I'd never got …
... copying some stuff to a memory stick, and I found some ... the original pages from the external sites). How is that speed ... consoles CPU(s), graphics card, memory, etc, then you might well ... -
Faked MP3/memory sticks etcI recently bought an MP3 player on Ebay from jolly old China. I suspected it would be fake as it was advertised as a 16gb MP3/MP4 player and cost me …
... I downloaded that tests flash memory and that came back saying ... -
Former maker of Sinclair add-ons in the U.SIn my continuing efforts to find people from the Timex-Sinclair past I found two gentleman who were, at some point, the owners of Byte- Back. This …
... , a 16k and a 64K memory module and an input/
external devices.
Contact David Leech ... Minchey started with the 16K memory, and then the modem and ...
the UM-64 ultimate memory with battery backup and the ... -
128kB software with incorrect memory pagingI search all ZX software using incorrect memory paging via OUT (253),A. This software must write to port data value with D6=1 for compatibility with …
... all ZX software using incorrect memory paging via OUT (253),A ... use on this computers different memory pages. -
Modding / repairing a +3I've got a +3 and I'm repairing and enhacing the computer. The enhacements I've done so far: - A slightly buggy video composite output. - Repairing …
... resistor in TR5 emitter).
- External 3.5" floppy drive.
memory alone and go for the ... -
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…
... information available on how the memory within the system is mapped ... , but where does the graphics memory sit, and what is its ... and what size is the memory available to the user etc ... -
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 …
... very very easy. 1MB external memory for SAM COUPE enable also ... ZX color palette , enable external memory in high 32kB, set port ...
Additional info about 1MB memory and AY ports:
- converted ... for ZX clones with extended memory support. (software for ... -
4164 memoryHi all, I'm looking for 4164 memory, probably 4 chips. If you have some you willing to part with for some cash, let me know how much you want for it…
Hi all,
I'm looking for 4164 memory, probably 4 chips. If you have some you willing to part with for some cash, let me know how much you want for it + postage.
Cheers. -
So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…
... this, and that jogged my memory of a project I'm ... 74HC4046, you still need the external low pass filter and the ... -
ZX +2 - Can I connect external tape player?Is it possible to connect external tape player to ZX Spectrum +2/A and use it instead of the internal player? The connector is marked tape/sound, but…
Is it possible to connect external tape player to ZX Spectrum + ... -
memoryprobably a dumb question i have 1gb memory in my PC, if i buy another 1gb memory (the same one i bought before.) and plug it into the other slot, do…
...
i have 1gb memory in my PC, if i ... buy another 1gb memory (the same one i bought ... -
+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…
... set to point to contended memory still occurs, and also appears ... set to point to contended memory.[/quote]
Will the ... , with RAM bank 4 (contended memory) in 0x0000-0x3FFF, and place ... -
Arkos TrackerHi all, I'm proud to present you my Windows-based Tracker : Arkos Tracker, for you to compose for Spectrum, CPC and MSX. It requires .NET 3.5 at lea…
... the same position, why not. Memory saving !
- A Track can ... can be read through the external player while playing the song ... -
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…
... 0x7FFD). The original Spectrum 128K memory map (with only one ... 0x1FFD on the Pentagon switches memory banks as described in [ ... Second category of expansion of memory over 128k.
... Third category of expansion of memory over 128k.[/quote]
< ... -
Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …
... , this requires several kilobytes of memory - it would be much less ... -
External Tape / Audio Input on Spectrum +2AEvening all, I've just picked up a Spectrum +2A and have been trying to load TZX files from my Mac into the Spectrum. I know the leads and methods …
... ).
So, can an external audio source be used on ... -
Checksum of external RZX snapshotHello, can anyone tell me how is the checksum of external RZX snapshots supposed to be computed? Is it zlib's CRC32 or something else? The docs seem…
Hello,
can anyone tell me how is the checksum of external RZX snapshots supposed to be computed? Is it zlib's CRC32 or something else? The docs seem to forgot to mention this.
Thanks,
Patrik -
Average PC Memory size increasing by 48K every half hourAs I'm absolutely sure everybody here is aware, Moore's law states that the number of transisters in a device will double on average every 2 years. …
... />
As average memory increases, price per megabyte usually ... fractionally, the amount of memory increased in one year would ... Law.
[*]Daily average memory increase == 901,943,132 / ... For Smartphones, the average memory is around 256MB now (48K ... -
Some Spectrum QuestionsHi everyone, I'm new to the forum and I have a few questions about the Spectrum computers I hope you could answer. Recently someone has submitted a …
... , though it has 48kb of memory and thick rubber keys. I ... which connect it to an external tape deck, submitted to the ... -
Spectrum lost upper memoryHi again, I have a Rubber key Spectrum(issue 4S) which lost it's whole upper memory. It's worked okay, but i forgot it on over last night. My son wa…
... lost it's whole upper memory. It's worked okay, but ... Spectrum which had also upper memory problems. So i wrote PRINT ... 32767. This mean that upper memory is off. I loaded a ... .
Where is my upper memory? -
Dead external HD....help?Hi Folks Gutted. You may have noticed I've been uploading some nice inlay scans over the past months. Have over 10,000 scans on my external HD, wh…
... 10,000 scans on my external HD, which I was starting ... WoS...
Now my external HD is dead. So lost ... me, "its not if an external HD fails, but when". I ... -
Memory upgradeHi! I bought a 16K rubber key Spectrum. It's said in the box and memory test program also said it's 16K machine. Strange thing is that there is yell…
... said in the box and memory test program also said it ... (so no soldering needed) for memory upgrade. There is also 4 ... -
WOS im memory pageThose people in loving memory, why did they die soo young? It makes me a little nervous, is this website cursed? And there is a person there who is l…
Those people in loving memory, why did they die soo young?
It makes me a little nervous, is this website cursed?
And there is a person there who is less than 40, did he die young to?
