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ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... two sections, external devices (like modern CMOS SRAM) can easily override ... be useful, to extend available memory, when not writing to screen ... -
Your views on...Tirnanog[url=http://www.worldofspectrum.org/infoseekid.cgi?id=0005292]Tirnan?g[/url] Right! First off, you guys need to be really careful about what you say…
... to stand up against the modern computer games, they were not ... their games with such limited memory available. I doubt they thought ... -
Your views on...Tirnanog[url=http://www.worldofspectrum.org/infoseekid.cgi?id=0005292]Tirnan?g[/url] Right! First off, you guys need to be really careful about what you say…
... to stand up against the modern computer games, they were not ... their games with such limited memory available. I doubt they thought ... -
Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…
... as POKE these days for modern computers ? :)[/quote]
I'm ... an expert but I think modern operating systems won't allow ... and you can get a memory address of a variable through ... on how the OS allocates memory. It might be a "virtual ... -
Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…
... as POKE these days for modern computers ? :)[/quote]
Why, yes ... .g, game) and poke its memory. -
Welcome to the Matrix!Ok here's something I been playing with while I'm at work and on public transport. I'm thinking I want to be able to move the large letters around th…
... . Anyway it was only a module to perhaps be plugged into ... ever reach the point where memory is an issue does it ... -
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…
... /> Most modern computers use a modified Harvard architecture where memory areas can ... -
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…
... /> Most modern computers use a modified Harvard architecture where memory areas can ... /> [/quote]
Memory protection != Harvard architecture :) Most modern cpus are not ... from clobbering each others' memory space and to deliver increased ... -
Reproduction Issue 1 grey keymats - yay or nay?A discussion is live on the Spectrum 4 Ever FB group regarding whether it's a good idea to have replacement grey keymats for Issue 1 Spectrums produc…
... to indicate that they are modern reproductions? Then people can ask ... (I have a third party memory upgrade board, but it has ... -
Control methods to support in new game (kempston, sinclair, redefinable keys etc)Hi guys, I've been busy lately working on porting a game from the C64 to the Spectrum, and I'm at the point where the main game is working pretty …
... is reading from the screen memory as it builds the TV ... not reading screen data from memory.
Also note that ... masking out. But the more modern interfaces may have extra fire ... -
ZX Spectrum, ZX81 and Middle SchoolersToday I gave a talk to 120 US middle school kids (7 grade) about computer science and careers in programming. I also gave them a taste of programmin…
... a modern computer works, but I know, from admittedly very distant memory ... -
ZX Spectrum, ZX81 and Middle SchoolersToday I gave a talk to 120 US middle school kids (7 grade) about computer science and careers in programming. I also gave them a taste of programmin…
... completely understand how a modern computer works, (..)[/quote]< ... br /> Don't confuse "modern" with big / fast / complicated ... . There are some modern chips out there that are ... controllers, protected mode / virtual memory and similar bells & ... -
How to make/program a Pacman game on ZX SpectrumHow can i program a Pacman game on ZX Spectrum 48k/128k?? On a video or a manual
... target any sort of bankswitched memory architecture. It has the largest ... make use of z88dk's modern features. -
How feasible is it to add a second CPU to the ZX Spectrum?Today with IDE, and USB, and TCP/IP and other wonderful technologies arriving on the ZX Spectrum, I'm beginning to wonder if we'll run out of CPU tim…
... CPU to share a common memory and / or IO area. However ... now give each CPU some memory of it's own, and ... use a more modern, faster CPU with much faster memory...
Database model ZXDBRecently, I have been trying to figure out how to provide my contribution to whoever takes over WoS archive rework next... So I came up with this: …
... 100%, since it also has modern copyrighted releases. Not really sure ... from old "game" module to a new "prod" module, you will be ...How to take SCR out of multicolour games?Emulators do not seem able to take scr out of Nirvana games correctly. I have tried SpecEmu, Speculator and Jspeccy. Try to save El Stompo or SunBu…
... still retaining full compatibility with modern graphics systems and without inventing ... be directly extracted from emulator memory without conversion, downloaded and put ... back into emulator memory directly, simply copied to tape ...What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…
... plug in composite video "adaptor" module kits.
[The +5V ... , Sinclair should have upped the memory to 80k bytes (16k + 64k ...What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…
... /composite video output and RF module
- 1 ...
- Datagear DMA (Direct Memory Access) MB02 Controller Interface
- 16K video memory buffer for use with DMA ... additional external RAM extended module mimicking the Sam Coupe ...ZX Spectrum 48k issuesHi all! A couple of days ago I bought my first 48k Speccy off ebay (I already own a beautiful QL expanded with QubIDE interface and 640k ram). It was…
... 've ordered a 4116 replacement module from ebay in order to ... without the additional 32kb high memory modules in place and the ...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…
... in a pure assembler module and to link it ... importing a pure assembler module to be called from ... in a separate 128k memory bank "BANK_06"; pietro_bros ... defines a custom memory map to make it ... library defines a standard memory map and reserves some ...Database model ZXDBRecently, I have been trying to figure out how to provide my contribution to whoever takes over WoS archive rework next... So I came up with this: …
... cache the entire database into memory and perform all searches locally ... can write a better in-memory solution, then you're using ... . I'm not sure why modern developers always assumes that they ... , it is probably sat in memory cache on the DB server ...Database model ZXDBRecently, I have been trying to figure out how to provide my contribution to whoever takes over WoS archive rework next... So I came up with this: …
... can write a better in-memory solution, then you're ... I'm not sure why modern developers always assumes that they ... to move the RDBMS into memory. You can use it ... to feed a in memory mirror using native data ... all of your data in memory. You can even (ab ...Database model ZXDBRecently, I have been trying to figure out how to provide my contribution to whoever takes over WoS archive rework next... So I came up with this: …
... I'm not sure why modern developers always assumes that they ... to easily fit everything into memory.
* It's ... entries one-by-one in memory.
* Generating the ... the entire data structure in memory, then simply traverse this already ...Emulation with remade HD graphics - possible?Do you think it is technically possible to make new HD graphics for a ZX Spectrum game and use the emulation to drive the graphics as the original ga…
... are being copied to "video memory" and replace them by something ... sheet, storing internally all the memory positions.
But on ... than redoing the game using modern tools....Database model ZXDBRecently, I have been trying to figure out how to provide my contribution to whoever takes over WoS archive rework next... So I came up with this: …
... much of a tendency with modern developers to desperately try and ... with no real concept of memory locality or cache arrangement and ...Database model ZXDBRecently, I have been trying to figure out how to provide my contribution to whoever takes over WoS archive rework next... So I came up with this: …
... obscenely[/I] expensive process on modern CPUs, which rely heavily ... engines entirely eschew the OS memory allocators and CPU schedulers in ... case, where your in-memory structure matches the RDBMS in ...
For which your in-memory cache doesn't help either ...Database model ZXDBRecently, I have been trying to figure out how to provide my contribution to whoever takes over WoS archive rework next... So I came up with this: …
... I] expensive process on modern CPUs, which rely ... application, allocated into application memory, then accessed by ...
* Memory: As previously estimated, in-memory caching of everything ... allocating and freeing small memory areas concurrently, in no ...What is needed to get a high standard , "emulator focused" PC?The implication I am making is that a normal PC can be improved on emulation wise by building in some emulation friendly features . But this could be…
If you have modern TVs another approach would be ... peripherals: keyboard, audio amplifier, pendrive, memory card reader, gaming controllers, etc ... could investigate if there are modern usb adaptors for old peripherals ...Looking for advice on building a HarlequinNew member here. From the US. My first computer was a Timex Sinclair 1000 back in the early 80s (in fact, I got one of the first batches sold in th…
... going to have on any modern CPLD. I might use that ... have a zero contention video memory. That would be fun to ...DivIDE allram mode help neededHi guys, are there any DIVIDE wizards out there that can explain how i page in the allram and add a rom file to it i sometimes need to load spect…
... similar devices with compatible memory, but each use different ... be used.
- modern version support MAPRAM mode and ... known DIVMMC devices support identical memory paging = compatible with old ... DIVIDE/DIVMMC disconnect external memory and connect back ZX ...
