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ZX Spectrum +2 128K keyboard problemsHey folks New to the forum, wondering if you guys can help me out. I have just recently been given a ZX +2 128K in beautiful condition, powers up fi…
... +2 128K in beautiful condition, powers up fine, get the loader screen ... -
Switching 48/128 modes within a BASIC programI'm not sure what use this would be; ie. being able to switch between 48k and 128k modes and back again from within a continuously running BASIC prog…
... and 128k modes and back again from within a continuously running BASIC ... can switch from 128k to 48k modes while the BASIC program continues ... it to work on all 128k models. -
More RAM for BASIC (ZXSE required)Ok, here it is: [url]https://dl.dropbox.com/u/15659782/48KBASICSE.zip[/url] Use it as an IF2 ROM with a ZX Spectrum SE. It's a version of the 80x2…
... 47.5K available for your BASIC programs. However, anything that expects ... -
Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... 2 boot loader. The stage 2 boot loader basically copies ... a chunk of code into the Spectrum's RAM ... the stage 3 boot loader off the first mounted ... one 4K page (the basic size of a single ... and therefore our boot loader module isn't sensitive ... -
copying between RAM pagesSay I'm storing stuff in RAM pages 0,1,3,4 which gets used in 6,7 (which I am) and I might want to transfer up to 7kb at a time (which I do) and I do…
... I'm storing stuff in RAM pages 0,1,3,4 ... up the screen or trashes BASIC, none of which are very ... -
Very weird +2 problem.After two days, I'm still fighting this grey +2. Symptoms: When I first got it, there were stray pixels on the screen, and stray lines and colours. …
... machine worked (mostly). Change a RAM chip, and the display cleaned ... , with this CPU, boot into BASIC and I get graphics corruption ... copyright message on the initial 128K screen will be copied into ... /> IC15
IC16
All RAM chips
IC6
A new ZX spectrum cloneOver the past 12 months i have been developing a new spectrum clone as a hobby project to waste my spare time on. It is still not fully complete yet …
... hot switchable from BASIC)
ZX spectrum 128K compatible hardware with ... )
512K RAM plus 64K video RAM
Stereo ... FAT32 storage accessible from BASIC using Interface 1 style ... /> Improve and expand the BASIC extensions
Improve contention ...Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ? Looking at schematics it …
Does anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ?
Looking at schematics it has to be simple solution, probably king of interleaving, but I could not find any details.Help me resurrecting a 128KHello to everybody. I'm really struggling along a repair of a standard 128K a friend of mine handed me over some (ok, actually a lot of) time ago. A…
... a repair of a standard 128K a friend of mine handed ... , this is my first 128K and it really seems I ... usually translate into a bad RAM chip. I've already changed ... the whole contended RAM bank, the Z80, ROM ... also the whole uncontended RAM bank?They're here ! BASIC horror themed games[IMG]http://i1163.photobucket.com/albums/q541/Rygarman/theyre_here.jpg[/IMG] Because its my birthday tomorrow (38 years young) I am making these ga…
... the games were written in BASIC by myself, and for myself ... wrote the games on a 128k in 48k mode- so in ... . Although I managed to program basic text adventures, I was the ... .
Now where?s my BASIC programming guide?
Enjoy ...Lot's of ZX Spectrum parts: RAM chips, ULA's, etcI have new stock of 100% tested parts. I even got my hands on a bunch of ULA's!! [IMG]http://benophetinternet.nl/hobby/sales/parts/IMG_6068.JPG[/IMG…
... ]
Prices:
- Ram chips: 4164, 4532, 4116, etc ... ]
- Modulator
- 48K / 128K / ZX81 ROM
[B]2 ... each[/B]
- 48K / 128K ULA
- Zilog Z80 3 ...Ram test / diagnostic software for 128k?I need a ram test program urgently (as I have to bring this machine into the party place tomorrow) yet I couldn't find any in infoseek by typing "ram…
I need a ram test program urgently (as I ... any in infoseek by typing "ram test" :) And most of the ... .
Are there any ram test suite which runs from ...RAM used / corrupted by +3DOSAs I said previously, [url=http://www.worldofspectrum.org/forums/showthread.php?t=41775]I'm trying to put some games in hard disk[/url] so they can b…
... other question is how much RAM is corrupted in page 7 ... goal is loading everything via BASIC (but with some touch of ... paging/transferring/rebuilding pages in RAM), so the games are loaded ...Converting games to disk: difficult loadersThis thread has an spanish version in foro speccy, but I haven't gathered enough information to overcome my problems. I've been converting some game…
... jump, to do a standard loader.
- [b]Speedlock (Dragon ... Ninja, Robocop):[/b] The loader start is awful. It moves ... a small block from the loader to its destination, decypher it ... at once in 128k), I've loaded everything from BASIC, and then ...Getting Unit CHS detail in +3e BASICHello there my fellow WoS'ers I would like to know if there are system VARS or PEEK's that I could use to get the CHS info within BASIC at the mome…
... get the CHS info within BASIC
at the moment ... I have written a basic program that leaches this data ... been written to M: disk (RAM)
it takes a ...+3e filebrowserHello everyone, Im writing a game/program loader for the +3e (with an IDE interface, but it can work with floppies too). The program lets you choose…
... /> Im writing a game/program loader for the +3e (with an ... Boriel's ZXbasic compiler mixing basic and assembler. It creates a ... is how to load a BASIC program from assembler and then ... where (in the RAM) to load a BASIC program and how to ...Biturbo 2 turbo loader now available for general useAfter tinkering with its code, extracted from a TZX of one of the infamous Italian S.I.P.E. "tape magazines" which published hacked games for the Spe…
... Max" Zanetti's best turbo loader, Biturbo 2.
... ;
[*]write a simple BASIC program to load, first of ... 65338 command;
[*]save your BASIC program;
[*]open the M ... to your BASIC program file.
[/LIST]
The loader is one ...maximum addressable RAM for a Z80 using bank switching?What is the maximum addressable RAM for a Z80 using bank switching? The Enterprise64 home computer could address up to 4MB, is this the limit for a …
What is the maximum addressable RAM for a Z80 using bank ... kB) are used as video RAM, but can be used for ... . On the 128k model, the additional 64 kB of ram is mapped ...Unspecified Custom Loaders IdentifiedThis thread specialises in loaders which are considered to be "Unspecified custom loaders" according to the Infoseek engine. These loaders (after som…
... the screen block
- This loader can have separate smaller blocks ... a pre-loader warning or notice followed by a short BASIC block ... the screen block
- This loader can have separate smaller blocks ... way, this loader was used in both 48K AND 128K games, to ...Strange behavior of program compiled with HiSoft BASICA while ago I experimented with HiSoft BASIC 128 (1.2) and compiled [URL="http://www.worldofspectrum.org/forums/showpost.php?p=683349&postcount=140"]…
... regularly while emulating the 128K/+2/+2A/+3 and ... normally when loaded on a 128K or +3. When loaded ... shows a listing of the BASIC loading/calling program several ... the game on the 128K makes me think there ... is invoked. However HiSoft BASIC 1.2 supports PLAY, ...Spectrum 128K +2 problemhello, i am try to repair my spectrum 128k +2 grey, i remove all ram chips and i have some new ones spares, now i have remove all ram chips, i want …
... repair my spectrum 128k +2 grey, i remove all ram chips and ... , now i have remove all ram chips, i want to check ... to install it to the 128k +2?
the z80 ...Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…
... variable, but at its most basic we have a 2K block ... Spectrum's 6K of pixel RAM.
Depending how you ... conquer that, I've another 128K-based challenge for you...Spectrum 128k +2 grey RAMhi all, the manual say that ram ic's should be KM4164B-15P but when i open my spectrum (not repaired by anyone) the ram chips was KM4164B-12 is thi…
... />
the manual say that ram ic's should be KM4164B ... (not repaired by anyone) the ram chips was KM4164B-12
ram?
something else, ... 48k issue 2 zx with RAM chips IC 6-13< ... to remove all the 48k ram chips? it will not ...Spectrum 128K + Toaster ProblemGot an issue with my toaster everything seems fine other than the input from the ear socket is now remarkably low level/interference almost cannot ge…
... game, can get red/blue loader banding but doenst load game ... 48k
is the 128k more "unfriendly" with levels or ...SPECTRA - RGB SCART Interface for 48K SpectrumSince the launch of the SPECTRA interface back in June 2012, some discussion of it has appeared in the forums in the past (mainly [URL="http://www.wo…
... previously only obtainable from a 128K Spectrum. The Spectrum?s sound ... (offering the potential to extend BASIC with new commands to control ... to the Spectrum?s video RAM, with the active display mode ... , emulator support, an extension BASIC ROM and at least one ...Project #1 : Speccy 128k+2 with diVide inside...Hi guys, I just have finished my Super Spectrum #1 The idea (I was thinking of that since 2007) was to fit an english grey +2 motherboard in a +2A…
... /> my last non working grey (ram dead) will maybe have the ... it : I will remove the ram on a CPC 464, and ... access the original menu and basic 128 (buggy sometimes, I have ...BetterBytes Disc-Mate MGT Protectionmornin all while lookin at a few programs last nite i noticed disc-mate has some form of protection on it it will load fine in zxspin but try and loa…
... programs last nite i noticed disc-mate has some form of ... machine code hidden in the basic but their is a few ...Enable 128kB paging in emulatorFrom Zx Spectrum documentation ([url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url]) [CODE][SIZE="1"]When memory is being pag…
... :
Bits 0-2: RAM page (0-7) to map ... the 128k editor and menu system; ROM 1 contains 48K BASIC.
Could a Spectrum game loader play music?On the Games forum there's a thread entitled "[I]Which game did you like the loading noise the most?[/I]" ([url]http://www.worldofspectrum.org/forums…
... ? And then have the game loader play music whilst it read ... would only work on a 128K machine, as the 48K beeper ... it's played whereas the 128K's sound chip doesn't ... code that makes up the loader) then the music/data plays ...Anyone got any 4146 RAM chips?Hi I'm looking for some 4164 RAM chips, as would be fitted to a 128k Spectrum (+, +2, +3 I think they all use the same memory). Not out of a 48k mac…
... some 4164 RAM chips, as would be fitted to a 128k Spectrum ...
