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Steve Davis Snooker 128k?I'm in the middle of an, erm, interesting discussion with a bloke on AtariAge. The long and the short of it is he's claiming to have written a 128k …
... custom-written multiplication and division routines, not to mention square roots ... to do with any 128K version it's likely he just ... which appears to call the ROM sound routine at 949. If ... -
Steve Davis Snooker 128k?I'm in the middle of an, erm, interesting discussion with a bloke on AtariAge. The long and the short of it is he's claiming to have written a 128k …
... custom-written multiplication and division routines, not to mention square roots ... to do with any 128K version it's likely he just ... which appears to call the ROM sound routine at 949. If ... -
Spectaculator QuestionsI've been messing around with this great emulator, and was surprised how easy it was for me to load a game from minidisc into Spectaculator as if it …
... ] contain a nice fast-loading version of the snapshot, loadable on ... registers.
Making fast-load version hovewer requires extra RAM usage ... (compatibler) way is to make version via standard ROM loader routines. -
Spectaculator QuestionsI've been messing around with this great emulator, and was surprised how easy it was for me to load a game from minidisc into Spectaculator as if it …
... =piters]Making fast-load version hovewer requires extra RAM ... way is to make version via standard ROM loader routines.[/QUOTE]
...
SPIN's version uses ... drops straight into the rom loader (without any pilot ... -
The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... 6k display buffers in the 16k-32k area so that ... there is only one 16k block that is contended.< ... * Memory segmented into 8k or 16k blocks with the ability to ... page into any 8/16k segment in the z80' ... the version the 128 got was pants.
The ROM ... -
The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... will disable the internal ROM. This was used for ... 16k RAM internally to put in place of the paged out ROM ... segmented into 8k or 16k blocks with the ability ... done properly as the version the 128 got was ... a total rewrite of the ROM.[/quote]
A blitter... ... -
The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
... the rewrite of the ZX ROM, really. What's the ... on an open-source ROM for the ZX for ... 'd just be the standard ROM, no?
... , like Gasman's rewritten version, mine will not be the ... the differences to the graphic routines, the calculator using the ... -
The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
... far with porting a version of the Spectrum ROM (with some modifications ... bit addressing in the current ROM to 32-bit was ... extensive rewrite of the printing routines.
[/quote]
... think that the current printing routines would ever work with a ... -
Timex Sinclair 2068Hi guys. This is my first post here, the first of many, I hope.. :) I have a Timex Sinclair 2068 but don?t know much about it. It was given as a gif…
... (48K RAM plus a 64K ROM cart) is just barely enough ... a few early ones had 16K RAM standard, though later most ... /> The TMS99?? owns its own 16K RAM where video information is ... hardware that the spectrum's version lacks.
I've ... -
Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…
... a good version and I appreciate your offer for assembly routines.
routines in assembler.The BASIC routines can't be more than just ROM ... -
Developing the Spectrum ROMI'm working on some Z80 assembler for a Z80-based single board computer that I'm building. For the things that don't poke my hardware, I'm using a Sp…
... Dr Andy Wright (the ROM's author) in Sam ... link. I started with graphics routines, such as PLOT, DRAW ... a Spectrum ROM was able to run my routines and they ... I modified to be 16K of paged RAM that could ... replace the Spectrum's ROM. The transition to using ... -
Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …
... clipping and sprite/tile blitting routines ( which work! ).
... routines into another 16k page. (see:*)
3. Call the rom ... to page (1/2) into memory when blitting the active routines ... in that the sprite routines page will need to ... -
Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …
... :
The 16k block with the sprite routines in have a ... just need to call the ROM to get the video hardware ... page(s)
- - Use the ROM to blit the tiles into ... -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... the paged area (the top 16k), as does the interrupt routine ... The examples in the spectrum rom seem to use the register ... me to manually page in ROM 3 and RAM 0, ... there is a lot of routines i could use already written ... to link in lots of routines that i may not ... -
Monitor/debugger that doesn't use the Speccy ROM?Was there ever a Spectrum monitor/debugger released that didn't use the ROM, for key input and character output routines? The reason I ask is that i…
... hacking Laser Genius... Adding replacement routines for reading the keyboard and ... executing anything in the ROM anymore, switching the ROM out still provoked ... "Code Machine" version, 3.1). This needed replacement keyboard routines, BREAK detection ... -
basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…
... programas that uses machine code routines to extend syntax, and I ... interpreter, you have a normal version of the interpreter to fall ... *would* require bank switching a ROM which is a project in ... and then directly making the ROM call.
Take out the ... -
basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…
... that. Later they offered another version that was even faster by ... very slow floating point routines in the ROM and at some point ... possible speedup... the floating point routines.
Anyway, once your ... -
Groundbreaking gamesWhich games really broke new ground? I mean the ones that actually got around the hardware limitations of the Spectrum. For example: Aquaplane - f…
... 16K machine; the only uncontended memory is the ROM and the sound routines ... -
Galaksija emulator for ZX Spectrum +3/+2A(black)This is a NEW program/utility/game pack for ZX Spectrum. It is basically an emulator of an ex-Yugoslav computer "Galaksija" which is also Z80 based. …
... this approach in my latest version of the ZX81 emulator.
routines in the ZX81 ROM are patched witch non ... and then jumping to translated routines. If I would patch with ... other opcodes. In the lastest version I even used the IY ... -
Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …
... could try my recently patched version of the Picturesque debugger. This ... doesn't use any routines in the Spectrum ROM, so it's ... -
Galaksija emulator for ZX Spectrum +3/+2A(black)This is a NEW program/utility/game pack for ZX Spectrum. It is basically an emulator of an ex-Yugoslav computer "Galaksija" which is also Z80 based. …
... should be for the same version and after checking it is ... 't seem to match the version on the .TAP file). So ... page RAM into the bottom 16K:
LD A,$03 ... /> To page the normal BASIC ROM back in:
XOR ... -
Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
The Spectrum also has 64K - 16K as ROM, which you can't change ... BASIC interpreter itself or using routines like RST 16 from machine ... -
Will an interface 1 work with a +2?I don't want to break anything, can I bugger up the +2 by connecting an interface 1 and microdrive to it? Are they compatible? If they are, with no…
... really should download the later ROM and burn it to a ... download Ian Collier's enhanced 16K IF1 ROM and use that instead ... Ian Collier's Interface 1 ROM uses the so called "unused ... this ROM would render your computer incompatible with any ZX printer routines. -
Question about serial numbers, and issue marques.Hi, I don`t know if you can help me with this little question, but here goes. The spectrum computers have coloured serial numbers on the bottom of th…
... to have ever mentioned the version 3 ROM in magazines and the ... put the addresses of the routines on my website just in ... -
ResiDOS v2.00 releasedI've just posted a major new release of ResiDOS, at: [URL="http://www.worldofspectrum.org/residos/"]http://www.worldofspectrum.org/residos/[/URL] T…
... ? Will it fit in a 16K ROM or does it still need ... 2x16K "ROM" banks (containing the Syntax ROM and the patched version of BASIC ... -
Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... routines. The memory test code itself runs entirely in ROM ... br />
The flash ROM can also be programmed by ... selects whether the Spectrum ROM is paged in on ... used as a general purpose ROM board, an OUT instruction ... in any of the many 16K pages (8 if using ... -
Mailstrom[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0002992[/url] I've uploaded a couple of TAP versions of the game to /incoming. One is the TZX …
... to use the Spectrum's ROM loading routines -- the custom loader is ... but only with the standard ROM loader.
Also, the ... or there's a Speedlock version too somewhere...... -
What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…
... even a plus, for a version of BASIC, as I'd ... /> the ability to add assembly routines inline is very useful, as ... assembler routine rather than the rom routine that handles 'GOTO' or ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... should be easy as the ROM is not used at all ... considering a high-colour mode version but I don't think ... /> The limit per post is 16k characters in case anyone was ... -
FPGA Spectrum is aliveMy FPGA Spectrum that I started to work on year ago is in 90% ready. I have fixed DDR controller so I can read from it and write to it. I've run som…
... only synchronous with clock enable version of Z80 available on opencores ... (Spartan 3E500).
4. As ROM a built on board 16 ... is used.
5. As 16k contended RAM an embedded memory ...
