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My Boxed ZX Spectrum For Sale On EbayHi spec-chums. I have listed on Ebay a boxed ZX Spectrum which is a rubber key model. It is in a tatty condition but is all working. It would be a ni…
... 16K, but all the upper ram is socketed and populated with ... -
Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... 768 byte attributes held in ram which are then copied to ... colour ram in an animated fashion. I ... while I setup my screen ram and so it's now ... -
+3DOS questionIn the documentation for the +3DOS functions 'DOS GET 1346' and 'DOS SET 1346' it's stated that the copy buffer can't be bigger than 4 sectors (i.e. …
... of some of the extended RAM paging schemes available on the ... -
Emulator support for East London Robotics SP80 memory expansion?Do any emulators support the [url=http://www.worldofspectrum.org/infoseekid.cgi?id=1000377]East London Robotics SP80 memory expansion[/url]? That add…
Do any emulators support the [url=http://www.worldofspectrum.org/infoseekid.cgi?id=1000377]East London Robotics SP80 memory expansion[/url]? That adds another 32KB of RAM which you can page in/out at address $8000. -
Ghosts n' Goblins loaderI'm trying to put Ghosts n' Goblins onto a +3 disk but struggling to understand the mc loader. Basic loader [code] ink 7 : clear 25000 : load "" cod…
... /> 65260: LD IX, 16384 ; screen ram
65264: LD HL, 48896 ... -
Just some clarification needed6A board, RAM test displays blue border, black paper and 7 horizontal lines, according to [URL="http://www.fruitcake.plus.com/Sinclair/Interface2/Car…
6A board, RAM test displays blue border, black paper and 7 horizontal lines, according to [URL="http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm"]this[/URL] I believe its pointing at IC12? -
Toastrack/Grey +2 physical memory layoutI'm looking to extend the functionality of the test ROM used with Winston's diagnostic board to also properly test the RAM of toastrack and grey 128K…
... to also properly test the RAM of toastrack and grey 128K ... />
[B]+2:
[/B]RAM is in positions IC17-IC32 ... -
Name this gameHi! I remind of an Ancient Rome strategy game where you had to move your trirremes and ram other ships. I've checked the screenshoots on all the in…
... to move your trirremes and ram other ships.
I've ... -
Using the stack to blit bufferI was using a ldir to blit my back buffer to the screen RAM, and it was working pretty well if not rather slow. After reading about using the stack …
... back buffer to the screen RAM, and it was working pretty ... -
ZX Spectrum 48K+ Audio out, Speaker, Volume controlI have this lovely ZX which a friend gave me kindly two years ago. I cleaned him well and after a year he stopped working, so I did a full recap and …
... ULA, ROM, CPU and some RAM Chips (nice guy and helpful ... -
Calling people with Diagboards.....and who have toastracks or grey +2's with all socketed memory :) I'm finishing off modifications to the Diagboard firmware to expand its testing c…
... sample output when IC16 (upper RAM) is removed:
[IMG ... when IC6 and IC8 (lower RAM) are removed:
[IMG ... to screen the specific upper RAM IC locations that have failed ... -
Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…
... ).
;
;Use central uncontended RAM block (32768-49152) for colour ... down to top of lower RAM block for drawing sprites in ... -
Referbished and modded ZX81When I had this ZX81 it wasn?t working very well. It would refuse to tune into my old CRT TV so I decided to get it up and running on modern TV's. I…
... pictures comes with a 16k ram pack so you can get ... -
ULA pinsHi I am trying to figure out where on the ULA , among other things, the VYU pins are. I have been reading schematics , but I am really lost when I …
4294967296 pseudo output portsIn an effort to avoid any hardware conflicts with the clashbasher interface I've been looking for an alternative to using the spectrum's ports for ou…
Can someone explain Hi-Res HRG8 to me?I've only ever had a plain 1k ZX81 with a 16k ram-pack, this Hi-Res stuff is all new to me. How much Ram do I need to run one of these awesome Hi-Re…
I've only ever had a plain 1k ZX81 with a 16k ram-pack, this Hi-Res stuff is all new to me.
How much Ram do I need to run one of these awesome Hi-Res demos/games?
Do I need any other hardware?ZX Alien Breed - WIPI'm sure a lot of you have seen the discussion in the New Game Ideas area about a Speccy version of the classic Amiga game Alien Breed. I've been dro…
... the sprite data is in RAM, so I just need to ...Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…
... that write to an external RAM chip, then using a spare ... memory to the external screen RAM.
Could it be ... top half of a 16K RAM that overlaps the second machine ... that data into its video RAM space (which is how I ... Speccy and a bit of RAM.so time to leave Windows XP or notSo, I finally decided to buy a SSD and I plan to install it inside my laptop. It is an old laptop, Asus X50N, from 2007, with Nforce 610m, Athlon X2,…
... 610m, Athlon X2, 2 GB RAM. I hope the BIOS recognizes ...Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... to the 16K video-accessible RAM. Better would be able to ... note that this external video RAM is not readable).
RAM Kempston-compatible joystick interfaces to ...How much would you pay for this FPGA clone?...given that a mint 128 goes for around ?125. [img]https://dl.dropboxusercontent.com/u/15659782/chloe280seboxed.jpg[/img] Features: [list] [*]100%…
... 80 column mode)
[*]256K RAM (compatible with Spectrum 128 and ...Using VAC PSU in DC deviceHaving fixed the dead Issue 3B, I began to wonder about the PSU that came with it. It was pretty obvious what had killed the poor Spectrum as the PSU…
... , probably dead lower and upper RAM, partially dead ULA and lifted ...Something I made in Minecraft...So, this is what I do in my spare time these days (when I'm sure a lot of you will be screaming for me to come back to Speccy-land; I assure you I wi…
... output, power input, and the RAM pack expansion connector, I have ...Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…
... at these locations when the RAM is paged out. I've ... - $7FFF but only when (HOME) RAM is enabled at those locations ... at those addresses whether the RAM is switched in or not ...Interesting/Unusual ZX81Hello I am shopping for a ZX81 and while I was browsing Ebay today, I came across one that is described as "having a 64K chip." When I saw the ad t…
... that it had a 64K RAM expansion but upon closer inspection ...ZX Spectrum +2A - Issue loading gamesHi! I have my ZX Spectrum +2A with a very strange issue regarding games loading. The thing is that I can only load a few games from the Datacorder o…
... . No results.
- I replaced RAM with 4 Goldstar GM7IC464A-80 ...RST hooks in OpenSE BASICHi, any possibility of OpenSE BASIC having RST vectors rewired to a small table in RAM containing jumps back to apropriate ROM locations? :grin: It i…
... to a small table in RAM containing jumps back to apropriate ...SkoolKit 4.0SkoolKit 4.0 has been released. SkoolKit is a set of command line utilities for disassembling Spectrum software, into ASM format or into a bunch of …
... .e. a snapshot of the RAM as it would be immediately ...
