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Hungarian notation for asm - Yes or No ?There is thing called hungarian notation - https://en.wikipedia.org/wiki/Hungarian_notation Basically it is all about using prefixed indetifier to i…
... for languages with types but asm is different story.
So ... -
Another silly hardware idea - RAM Pack adaptorHow about a mini bit of PCB that adapts ZX81 RAM Packs to replace the address space of the Spectrum's ROM? I guess practically you'd need a way to…
... of PCB that adapts ZX81 RAM Packs to replace the address ... well just design your own RAM board.
Could have ... -
Turbo RAM Glitch or feature ?I have been testing a Spectrum [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000328"]worldofspectrum.org/infoseekid.cgi?id=1000328"]RAM Tur…
Testing a RAM packI had my Spectrum + today which is working, but i also had a ZX Spectrum 32k RAM Pack and i wanted to test it. Is there anyway i can test this on the…
I had my Spectrum + today which is working, but i also had a ZX Spectrum 32k RAM Pack and i wanted to test it. Is there anyway i can test this on the Spectrum + and if so how ?
thanksThe Compact Disc - Your First or early Memories and Experiences.I've been getting very passionate about my vinyl collection recently, but that has also got my thinking about CDs and casting my mind back to when I…
... getting all exited. The only disc he ever owned for years ...New disc image format: LDBS... Yes, I'm doing exactly the same thing that [url="https://xkcd.com/927/"]XKCD 927[/url] portrays. Don't worry, I have my reasons. LDBS is an at…
... an attempt to develop a disc image format that's more ... the contents of an LDBS disc image.
The current ... ) can also generate / access LDBS disc images, using the same code ...Where can I get some AY music asm/binary files?Is there an online repository for these types of file that people can download and use on their projects? Seen something similar for MSX (Z80 base…
Is there an online repository for these types of file that people can download and use on their projects?
Seen something similar for MSX (Z80 based AY I think), will those .asm files work on the 128 with a little tweaking?12V ripple with lower ram installedI repaired a speccy this week. Before doing anything I replaced all caps and measured the transistors in the power section. When doing this I found t…
... a problem with the ram. I ran the diagnostics ... and socketed all lower ram. turned the speccy back ... scope. Inserted a lower ram module and the speccy ... Then removed the lower ram module and reinserted all ... original lower ram ic's. Speccy is ...Was there ever a virus or malware for any 8 bit system?Was there ever a virus or malware for any 8 bit system? You couldn't have one on a cassette only system, unless you were stupid enough to fall for th…
... [/img]
but a disc based system might, especially if ... the system has shadow RAM for the malware to hide ...SkoolKit 5.3SkoolKit 5.3 has been released. SkoolKit is a set of command line utilities for disassembling Spectrum software, into assembler-friendly ASM forma…
... Spectrum software, into assembler-friendly ASM format or into a bunch ... information on the registers and RAM in a SNA, SZX or ... (for modifying the registers and RAM in a 48K Z80 snapshot ...Spectrum 48k won't start any software but passes all RAM testsI have a rubber key 48k which will not start any software - it appears to work perfectly right up until the end of the tape and the program would sta…
... a problem with the upper RAM however on running the soak ... minutes. I also performed the RAM test detailed here http://www ... longer or look for non-RAM related issues?Creating a POK from RAM or binary.Don't know if this is the right category or not but here goes. I'm working on a bug fix for a game, it's a few hundred bytes worth of custom code …
... said file from a set RAM location or a binary? I ...Communal Project for ASM NewbiesHi Folks, I tend to learn best by trying stuff and then going through the pain of it not working so that I can research and fix mistakes. I suspec…
... us less experienced in Z80 ASM to help us in the ...Spectrum 48+ 4S - Upper RAM issue, and now a self-created problem!I recently picked up a known-flaky spectrum off eBay, to have a bit of fun fixing it and reliving youth. It was labelled as 'keyboard duff, shows…
... tape version of Balford's ram test diagnostics said the whole ... of upper RAM was faulty (check all ICs ... 've removed all the upper RAM ICs, replaced with sockets and ... .
Given the lower RAM used to be okay, and ...Z88DK v1.99B ReleasedAt Sourceforge: https://sourceforge.net/projects/z88dk/ It's been a year since the last release so it was time for another. This is another tran…
At Sourceforge:
https://sourceforge.net/projects/z88dk/
It's been a year since the last release so it was time for another. This is another transitional release on the way to version 2.0 and hopefully we'll get there for the next one ...zx.zigg.net lower RAM replacement module: Still shipping?Hi everyone I'm trying to resuscitate my 48k issue 6a, and I bought the lower RAM replacement module from zx.zigg.net. The paypal payment went thr…
... , and I bought the lower RAM replacement module from zx.zigg ...Spectrum-inspired tax discToday, I needed to hand over some cash to the DVLA to keep my car on the road (legally) for another year, and so I can tell them to fix some potholes…
... /l400/pict/121488464943_/Vintage-Tax-Disc-September.jpg]1982[/url], [url ... /l400/pict/222322025736_/collectable-tax-disc-from-1979-Ford.jpg]1979 ... /w1600/pict/322226439051_/Old-Tax-Disc-July-1987.jpg]1987[/url ... a ZX Spectrum inspired tax disc? After all, 1977-87 ...RAM questionI've been meaning to upgrade my desktop pc's ram for ages now as the 4GB it has isn't cutting it anymore but im confused about what ram my motherboar…
... my desktop pc's ram for ages now as ... but im confused about what ram my motherboard will support.< ...
The motherboard has 4 ram slots 1 taken by the ... i dont know what ram is compatible and what ...
in its ram section for the motherboard but ...ZX81 Ram pack problemI got recently Sinclair 16k memory expansion for my ZX81, but for some reason it will not work. The computer itself is operating normally without hi…
... years.
Of course, maybe ram pack is faulty, but it ...48k Speccy with Ram Turbo, Dust Cover and a couple of games!I'm selling one of my Spectrums on Ebay, and along with it a dust cover, a Ram Turbo Interface for cartridges and joysticks and a couple of Codemaste…
... it a dust cover, a Ram Turbo Interface for cartridges and ...ZX Spectrum+ showing 16K of RAMHello again, as the title says my ZX Spectrum+ is showing only 16K of RAM instead of 48K when running a memory check. [url="http://www.1000bit.it/su…
... + is showing only 16K of RAM instead of 48K when running ... how to identify the faulty RAM chip, but I seriously have ...Troubleshooting RAM IC's on Spectrum +2 Grey?Got myself a grey +2 but at startup it shows something very similar to this: [img]https://preview.ibb.co/mmai5F/2_Ram_Fault.png[/img] I also su…
... also suspect there is a RAM fault but how can I ...Reading Disks via ASMI'm hoping to port my Amstrad game to the spectrum (See the link in my sig for info) I will be targeting the 128 and +3 - the game will not work on …
... 'm trying to find some ASM examples of disk reading, documentation ... !
3. links to example ASM source code would be a ...EmuZWin hackHi, i have update last version of brilliant EmuZWin writen by Vladimir Kladov to work with modern OSes and implement new tokens for builtin asm. P…
... implement new tokens for builtin asm.
Plese, help me ... and trd.
New asm tokens:
[b]PAGE ... than was (ORG RAM 4,49152 or ORG RAM 2,32768) e ... ]
Save a block of RAM to disk for building a ...Lower & upper ram IC's for an issue 3 please.Would any of you great folks have 1 spare lower ram, and 1 spare upper ram IC's you would be willing to sell. I'm fixing up a poorly Spectrum that is…
... 1 spare lower ram, and 1 spare upper ram IC's you ...Replacing lower RAM 4116 ZX Spectrum 48k - desoldering advice please?A long post, but interesting pictures perhaps. :) I'd like some advice: (also apologies I think I picked the wrong 'Hardware' category for this, plea…
... seemed to indicate a lower RAM issue. It hadn't been ...Third-party ZX81 RAM packsOne of the things that's previously held me back from fishing for a ZX81 on eBay - other than "will the ULA on this machine sold as 'untested' be com…
... getting hold of a 16K RAM pack. Now, even back in ... of the existence of other RAM packs that weren't the ... (at least try to) eliminate RAM pack wobble, but then there ... time it had a working RAM pack I was [i]five ...MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable!Direclty from my personal Sinclair collection that never end... ...MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable…
Direclty from my personal Sinclair collection that never end...
...MGT Sam Coupe BIG JOBLOT!!! 22 Disks, 3 manuals, 1MB Ram Expansion + Midi Cable!
https://www.ebay.co.uk/itm/173022113295
Have a nice bid ;)Testing ram memory of DivIDE / DivMMCHere is new utility for testing DivXXX ram memory: [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/sof…
Here is new utility for testing DivXXX ram memory:
[url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/software/divramka.zip[/url]
