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Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
The Spectrum also has 64K - 16K as ROM, which you can't ... machine code), and 48K of RAM. The 48K isn't all available ... -
Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
... s total irrelevant how [B]48K (it is answer)[/B] ... . Spectrum 128K also has only 48K available at moment.
... now understands why the 48K (and 16K and if you want ... the 128K) are named as such ... reply "cos it's got 48K of RAM" would have ... -
TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…
... to make it into a 48K machine (it's an ... a 48K machine, red lines up and down the screen as ... will not initialise into a 48K machine, yet BASIC can ... the curious, it ALWAYS initialises as a 16K machine, not 17 or ... others it's fine (as a 16K machine) and that's ... -
TV Modulator. Can it be repaired?Is it possible, to repair tha TV modulator (after removing it) if it gives wavy picture? I replaced both transistors (tr1/2) and both electrolytic ca…
... to make it into a 48K machine (it's an ... a 48K machine, red lines up and down the screen as ... will not initialise into a 48K machine, yet BASIC can ... the curious, it ALWAYS initialises as a 16K machine, not 17 or ... others it's fine (as a 16K machine) and that's ... -
Anybody fancy coding this?blah de blah de blah Please ignore, poting error.
These days, use flash - don't bother with eprom. You can replace the ROM by making an external board that connects to the edge connector, and nails ROMCS high just like ZX Interface 2, so that the on-board ROM never gets selected. Simple decoding logic ... -
Whats up wi mi speccy ? M RAMTOP no good 0:3I bought a speccy on ebay tried to load Mission Impossible but about 30 secs into loading it stopped and i got the error message ... M RAMTOP no good…
... /> No such thing as an issue 4a 16K machine - unless it's ... . It would have been made as a 48K originally.
So ... -
Whats up wi mi speccy ? M RAMTOP no good 0:3I bought a speccy on ebay tried to load Mission Impossible but about 30 secs into loading it stopped and i got the error message ... M RAMTOP no good…
... just a 48K with missing upper ram, not a real 16K machine ... they did do issue 4a 16K machines, but it's news ... been repaired at some point (as I suspect). If is has ... -
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... slightly higher price !!
As mentioned elsewhere Spectrum+ / Spectrum 128K ... back in stock. Rubber Key 16K/48K membranes are due in sometime ... -
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... slightly higher price !!
As mentioned elsewhere Spectrum+ / Spectrum 128K ... back in stock. Rubber Key 16K/48K membranes are due in sometime ... -
Issue 1 32K Memory Upgrade neededHi folks, as the title suggest im looking for the original sinclair memory board to make it 48k from 16k. Any other form will do or even instructions…
... 'The Lil Old ZX Spectrum 48k Service Manual - Section 4.1 ... ][B][U]32k Extension Memory - (16k to 48k)[/U][/B]
The extension memory is supplied as a plug-in module which ... -
Issue 1 32K Memory Upgrade neededHi folks, as the title suggest im looking for the original sinclair memory board to make it 48k from 16k. Any other form will do or even instructions…
... ]It was my understanding that 16K Spectrums are rare and collectable ... to buy a 48K Spectrum and sell the 16K on ebay. Anyone ... /> Depends on what you want - as a collector myself, if I ... Pack".
As for issue two 16K machines, they don't ... -
ZXSpin 0.62 Available nowAs promised (and only a [i]little[/i] past the deadline) here is the latest version of ZXSpin. Many bugs have been fixed, and a few new features add…
... when I switched to a 48k model instead, and I don ... . Other than that, it behaves pretty much as a 128k machine will ... -
Personal Gaming History in (very) Brief'79:PrinztronicMicro5500 --> '80:PlayedCoinOp(Space Invaders) --> '83:Spectrum(48K) --> '84:Spectrum+(kit) --> '86:Spectrum128 --> '88:AtariST --> '9…
I'm taking this as a kind of timeline of ... )
16k Spectrum (owned by maths teacher at school)
48k Spectrum ... . keyboard died so...)
Spectrum 48k+
Atari 800XL (brothers)
as they weren't milestones of ... -
Interface 1 with 3.5" floppyHas this been done or can it be done? Using an interface 1 and a powered 3.5" floppy disk drive (with a modified cable) instead of a microdrive?
... to load a full 48k snapshot into it in ... (and of course the Spectrum behaves normally, the +D doesn' ... any file you choose, such as
LOAD P2 ... you can snapshot either the 48K or 128K Spectrum's memory ... course a 128K Spectrum in 48K mode) using the +D ... -
Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…
... first Russian Speccy clone. As you may see, it' ... 64K of RAM, lower 16K are not used and are ... easily turned into complete Speccy 48K analog, with expansion slot. ... allows to use HDD as virtual drive for TR- ... it's availible only as DIY kit since author doesn ... -
Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…
... any of the 32 16k pages, as well as being able to boot ... flash programming with both a 48K and toast rack 128K machine ... course at the website (as well as put TZX downloads up there ... -
InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…
... RAM) has what are known as 'tri state outputs' - that is ... off state often referred to as either "floating" or "tristated").
48K model, this will either be ... < 16384) or the lower 16K bank or upper 32K bank ... -
Why the name "8-bit computer"?The Spectrum was called an 8-bit computer, but what does that mean? For modern hardware and operating systems (32 or 64-bit) it seems to be the poss…
... was going to release it as a "build it yourself" kit ... , the power supply, Z80 processor, 16K RAM and the extra 32K ... to make it into 48K and of course, a small ... -
Why the name "8-bit computer"?The Spectrum was called an 8-bit computer, but what does that mean? For modern hardware and operating systems (32 or 64-bit) it seems to be the poss…
... was going to release it as a "build it yourself" kit ... , the power supply, Z80 processor, 16K RAM and the extra 32K ... to make it into 48K and of course, a small ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... 48K speccy, and about 80% of the memory free in the 16k ... , no printer buffer...).
As you can see, the requirements ... -
New zx spectrum user (yes yawn)Sorry about this folks, bit of an uninteresting thread here, anyway firstly apologies if tis is in the wrong place, bu misc seemed about right. Anywa…
... would choose would be the 48k, and preferably the ZX Spectrum ... keyboard out on them. The 48k + has a hard plastic keyboard ... original 48k. But for nostalgic reasons I'd get a 16k just as ... to keep it in as best condition as possible.
Question ... -
Wanted: Disassembler MonitorDoes anyone have a copy of Crystal Computing's Disassembler Monitor on tape - I have an original one here (on the Sinclair label) that just will not …
... just will not load - sounds as though someone tried recording over ... side of the tape. The 48K version seems to load okay ...
PRINT USR 62137 (48k version)
PRINT USR 29369 (16k version) -
Another TS Emu CartLooks like the one I have. [url]http://cgi.ebay.com/TC2068-Cartdrige-48K-emulator-for-Timex-Computer-2068_W0QQitemZ250133271074QQihZ015QQcategoryZ124…
... internal memory in the 0-16k area. Presumably changes were ... also only disable the 0-16k area.
... 'll get the 0-16k area filled in by the ... computer to power up as a 48k Spectrum immediately. With the ... dock bank into the 0-16k area.
... -
Spectrum ULAHi new to forum ,and have been a speccy owner/fan since the begining{like most 30 somthins on this forum !) Anyway what i want to know is the ULA th…
... i right in thinking that 16k speccys were only issue ... of the second issue were 16K machines also. It's ... the machine was made as a 16K machine and it's ... loads 16k games and crashes at the end of 48k games ... have been tried on another 48k machine and they are ... -
Poorly Spectrum + Fault diagnosis help needed!Hi, I've got a Spectrum+. Sometime in the past I broke it and sent it off to be fixed. It came back working good as new, but with an issue 2 board i…
... the case of a 16K machine (or a 48K with bad upper ... can be seen on screen as just multi-couloured garbage. This ... 't take so long and 48K games don't work. Sometimes ... -
machine IDs for .z80 snapshotsHi, is there s.o. officially in charge for the .z80 file format? while upgrading zxsp's save_z80 routine i added new machine IDs for the Specci vari…
... ----------- ----------- ------------------- --------------- ------------
0 48k 48k 16k issue 2
1 48k + IF1 48k + IF1 16k issue 2 ... 81 can have memory as low as 1K. Then the ... -
He's back......and he's got a new trick! AY Chip here. I've been away far too long. I would like to announce 'HatStand': for no adequately explored reason, I h…
He's back......and he's got a new trick! AY Chip here. I've been away far too long. I would like to announce 'HatStand': for no adequately explored reason, I h…
... . Why emulate 16k? It's just as easy to emulate 48k.
16k rather than 48k, cause his compiler doesn ...
