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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…
... MHz and has access to 4 megabytes of RAM.
make ... -
access violation errors - ZX Spin in Win7Any suggestions as to what I can do to prevent all these access violation error messages I'm getting while using the ZX Spin Assembler ? I'm using W…
Any suggestions as to what I can do to prevent all these access violation error messages I'm getting while using the ZX Spin Assembler ?
I'm using Windows 7 -
ula bookula book is here: [url]http://www.zxdesign.info/book/[/url] can i post sam coupe stuff here - she kind of is a speccy if you stuff the speccy rom i…
... screen off full tilt external ram speed
oh and ... slightly less than the internal ram?
has anyone seen ... blitter dumping stuff in video ram - would this have required a ... for processor and dma to access same ram addresses?
what ... -
The incomplete Contact Sam Cruise RAM disassemblyThe incomplete Contact Sam Cruise RAM disassembly is now up at pyskool.ca: [url="http://pyskool.ca/disassemblies/contact_sam_cruise/"]Browse online[…
The incomplete Contact Sam Cruise RAM disassembly is now up at ... -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... translation table and hooks into RAM (i.e. rewiring IM1 vector ... this part will be in RAM - but it should be relatively ... simple mounting protocol enabling ZX access to 32 bit virtual hard ... -
How the spectrum generates the video from ramHi everyon, I know that most people here allready know this but i think i found out how the spectrum acctually dispalys stuff and why the LD x, (HL)…
... assign the first K of ram to video memory and the ... is accessing the higher order ram (> 16K) the ULA (or ... -
Help - I cannot access some web pagesI'm on broadband with Talk Talk in the UK, and everything was fine with Windows XP. A few days back I reformated and put Windows 7 on, and now I can'…
... and now I can't access some web sites but can ... /> For example, I can't access the following four links:
When I try to access the above sites, I get ... isn't even trying to access the site, which makes me ... as to why I can access sites like gamefaqs.com ... -
Sinclair ZX81 ZXpand InterfaceWe have decided to list serial #00001 of the ZXpand interface on ebay - see [url=http://rover.ebay.com/rover/1/710-53481-19255-0/1?icep_ff3=2&pub=55…
... - including SD memory card access, 32K RAM (which can be configured to ... -
Win2003 tweaking to make better use of lotsa RAM ?I have a server running Win2003. This machine is fitted with 4 GB of RAM, which is far more than strictly required. It only runs a few apps, and is …
... fitted with 4 GB of RAM, which is far more than ... " 2 GB of the available RAM without losing any steam.
RAM at startup to reduce the ... -
Emulating the 128KeIt occurs to me that I wasn't frequenting WoSf when I created the 128Ke standard, which means some people haven't heard of it. Here it is: [url]http…
... that don't require disk access. When saving a 128Ke snapshot ... 48K snapshot image) or all-RAM mode is in use (in ... +2A software that uses all-RAM mode (mostly used for emulating ... -
Speccy boxes with no RAM markingHi people, I noticed the other day that my Issue 1's box is different to the others. All the other boxes have "16K RAM" or "48K RAM" printed on them…
... other boxes have "16K RAM" or "48K RAM" printed on them in ... all, but has a "16K RAM" sticker on one end only ... -
Spectrums with gold RAM chips?Hey people, This is a first for me: [img]http://www.mutant-caterpillar.co.uk/ian_stuff/blingspeccy.jpg[/img] Is it normal to have gold RAM chips? …
Hey people,
This is a first for me:
[img]http://www.mutant-caterpillar.co.uk/ian_stuff/blingspeccy.jpg[/img]
Is it normal to have gold RAM chips? I've not seen this before! -
Cheetah 32K RAM PackI acquired a Cheetah 32K RAM Pack this week and took it apart to give it a clean. Unusually all the identification marks on the top of the chips hav…
I acquired a Cheetah 32K RAM Pack this week and took ... .org/Vintage/Sinclair/82/Peripherials/Ram%20extensions/Cheetah%2032K%20Rampack/PCB ... -
Modern mainboards with no floppy controllerA PC's mainboard floppy controller is very import for reading and writing Spectrum disks but these days mainboards no longer have one built in. On ot…
... al need low level controller access which USB floppies don't ... show it's age - mainboard RAM is coming "loose" from heating ... -
changing extended RAM pages in SpinIs it possible to edit the data in 128k extended RAM pages in Spin? I've tried both the debugger tool and the pokes tool and, although they let me ma…
... the data in 128k extended RAM pages in Spin? I've ... -
128K+2A/+3 RAM layoutDoes anybody know how physical RAM is mapped to ZX 128k+2a/+3 address space ? There are four 64Kx4 chips IC4-IC7. IC4-IC5 seems to be contended (vide…
Does anybody know how physical RAM is mapped to ZX 128k+ ... be contended (video RAM). It would mean RAM banks 4-7
RAM test program, can be on ... -
128k RAM paging from BASICI'd always thought that OUT had to be used to page RAM, which from BASIC would be an "OUT 32765,ddd" command, although I don't know if just doing tha…
... to be used to page RAM, which from BASIC would be ... -
File size in 128K RAM diskHi Folks, Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program? Many thanks Paddy
Hi Folks,
Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program?
Many thanks
Paddy -
Microdrive access via IF 1 NetworkHello, I have a question regarding Microdrive access via IF 1 network. Lets assume I Have two Speccys both with IF but only one with Microdrive. Bot…
... have a question regarding Microdrive access via IF 1 network. Lets ... Microdive via the network and access the Microdrive at Speccy 2 ... -
ISR's in lower ram, a.k.a. the snow effect - did any game or demo ever use this?Hi all I've been curious to see what the 'snow effect' looked like in real life for a while now so today I wrote a quick IM 2 ISR in lower ram to wi…
... IM 2 ISR in lower ram to witness it firsthand. Pretty ... -
4116 SRAM replacement (and ULA timings).As mentioned in another thread, I have spent quite a lot of time experimenting with different circuits and components for using a static RAM IC to re…
... components for using a static RAM IC to replace the lower ... 5C112E installed, CPU access to the lower RAM seems to work perfectly ... can only suppose that memory access timings for the 5C112E are ... that may affect their memory access. I rather suspect there may ... -
Ram Turbo compatibilityThe Ram Turbo interface, couple of joystick ports (iirc they can be Kempston too) and a IF2 style cartridge slot. This one > [url]http://www.worldofs…
The Ram Turbo interface, couple of joystick ... -
Strange behaviour in real hardware but not in emulatorsWell, at least not in any emulator I've tried. I've been reported by fellow forum member Macc that both our Maritrini Monster Slayer and Retroworks'…
... can happen if a contended RAM page is paged in, and ... it, as I have no access to a real 128 and ... -
zx81: is there a 16kb ram limit for basic?first of all, sorry to all about posting a question about zx81 in a forum mostly about zx-spectrum - i didn't want to offtopic questions here anyway,…
... time were only predicting 16kb ram extension, and this may the ... 32kb, 48kb or 56kb of ram? -
Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code: [CODE] ;; ram-check L11DA: LD H,D ; Transfer the top value to the HL register LD L,E …
... ; pair.
;; RAM-FILL
L11DC: LD (HL ... JR Z,L11EF ; forward to RAM-DONE if faulty.
< ... />
[CODE]
;; ram-check
EX DE,HL ...
;; RAM-FILL
L11DA: LD (HL ... -
4116 Ram chip replacements?Hello. I am in the work of gathering replacement parts for my speccy 48k. And I would like to know what chips is good replacement for the 4116 ram ch…
... good replacement for the 4116 ram chips, and where can I ... -
Issue 1 ram connectors....Hi Does anyone have the pinout of the Issue 1 internal RAM connectors, for the 16K-> 48K upgrade board, as I'd like to try and make myself a board, a…
... of the Issue 1 internal RAM connectors, for the 16K-> ... -
RAM Turbo without a slot?Hi! I got this RAM Turbo joystick interface which surprisingly came without a cartridge slot inside. Would there be any reason someone should cripple…
Hi! I got this RAM Turbo joystick interface which surprisingly ...
