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New version of k7zxHere it is version 3 of k7zx [url]http://personal.auna.com/casariche/k7zx/k7zx3.htm[/url] It supports 128k snapshots. It adds new loading methods …
... on the Spectrum model (48k vs. +2) the optimus polarity is just the oposite ... that beacause it put ROM loader rutine to the limit. Now it ... . An there methods that measure the complete period. Theese last ones are ... -
Q. on a book (48k/128k ROM dissassembly)Would you, great WoSsers, please recommend THE greatest, bestest and preferably completestest Speccy ROM (any 48k & 128k (not QL, zx80/81, nor clones…
... There never was a 128K ROM disassembly book, presumably because, ... />
True, the closest was "Spectrum +2 Machine Language For ... the Absolute Beginner", ... touched upon some of the new ROM routines, though probably ... -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... be deviating a lot from the topic, but here it goes ... adresses should i alter in the rom so it boots like above ... hijacking the thread[/QUOTE]
Page 60-61 of the Complete Rom Disassembly - "THE ... -
New Spectrum HardwareHi all. Well its Friday so it seems as good a time as any (business is a bit slack at the moment) to start up a thread about creating new Spectrum ha…
... br /> The firmware (ROM) of the machine is fully compatible with Spectrum 128. Of ... course it can read and write tapes.
The ... CPLDs and ROM. You'll have to order all the components ... to 2 weeks to build the complete machine. I'll write ... -
FuseX on the Xbox :releases, testing and feedbackI'm creating a new thread here to continue on from the thread about emulators on the Xbox ([url="http://www.worldofspectrum.org/forums/viewtopic.php…
... modified version of Fuse without the source available, and I' ... :lol: ).
Where does the "21" come in? Please don ... can now emulate the Speccy on the Xbox, complete with RZX support ... copy, sell and sing about the Spectrum ROM, as long as you provide ... -
Recent Returnee to the spectrum fold needs hardware adviceHi all. Thanks for taking the time to read this. This is my first post to this forum after I stumbled on this site just a few weeks ago, i only reg…
... think that is over the top when the games themselves are so ... and yours looks like the best of the bunch.
I ... be able to finally complete some of the really difficult games. Forgive ... burn spectrum ROM's? I probably don't need to replace the ROMs ... -
Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?
... dump, or if it's complete and there's something that ... backup of a bit of the Spectrum's memory, and then copies ... address $0AD8[I][/I]) into the Spectrum's RAM (at $5B00) and ... />
[LIST]
[*]The Spectrum ROM? ? nope, $3800 is in the middle of a ... -
Dangerous Z80 Assembly CommandHave been reading Toni Bakers' "Mastering MC On Ya Speccy" book and came across the list of Z80 commands in the dictionary section. Page 102 "[b]IM…
... of the Spectrum ROM to be overwritten with 0 thus rendering both the ROM and the Spectrum ... extreme trepidation.
Reading the ROM Disassembly won't help, you need ... to read with the Z80 Reference Guide or Programming ... -
Which is the best spectrum to have ?Just wanted to know which is the best Spectrum to have as i know some have more bugs than others. All i wanted it for was to play games on both 48k …
... the Spectrum +, then the Spectrum 128k and now the Spectrum +2 (grey). However, the best Spectrum is a Spectrum ... and CD-Rom. However, soon I will replace the Harddisk with a ... CF-Card...
To complete it ... -
Interface 1 emulation issuesFor Virtual Spectrum v3.0 I am implementing virtual Interface 1 and Interface 2 options! The I/F2 ROM option works already, and I have got the I/F1 s…
... cartridge? All virtual spectrum would do is pass the port request straight ... handling the port request).
Geoff's I/F1 disassembly is ... ROM disassembly has also been useful whilst bugfixing the Z80 core of Virtual Spectrum ... -
128K Guru requiredThe answer eludeth me, and I seeketh a higher knowledge! I'm in the process of putting together a very simplistic emulation testbench of my laptop s…
... disassembly here
[url]http://www.mjwilson.demon.co.uk/rom ... )...
The 48K ROM in a Spectrum 128 is not the same as ... that in a Spectrum ... 48K. There is a routine at $3c04 in ROM 1 ... -
48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... hardware you had plugged into the Spectrum.
When an ... mode (or put "SPECTRUM" at the top of a BASIC ... ROM disassembly for a better explaination. Unfortunately some older games would check the ... be that only the 128 Spectrum has the tape tester routines.< ... -
Dump Sinclair character set to file?Hi guys, I'm working on a version of Manic Miner for the TI-99/4A. It's not a port, as I'm not looking at the original Z80 code, just re-creating th…
... pub/sinclair/books/CompleteSpectrumROMDisassemblyThe.txt]disassembly[/url] available somewhere around ... would export the data out of the spectrum 'environment' to the PC, where ... shadowmagic.org.uk/spectrum/roms.html]copies of the Spectrum ROM[/url] available ... -
Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
... described in much detail in the original "Complete ROM disassembly" book. (Geoff - perhaps you ... can update your online disassembly? This is ... -
Assembly (getting my bearings)I wish the WoS book database was organized by theme and contained reviews :) I need your folks help. I'm interested in bringing my assembly into the…
... IMHO the definitive guide to Z80 programming, although obviously not Spectrum specific ... on condition.
The [U]Spectrum Operating System[/U] by Steve ... [/URL]
Read alongside the ROM disassembly book (another bookshelf standard). -
Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
in 128K mode the Spectrum uses some more bytes in Bank 7 afaik, for the RAMDisc feature and other 128K stuff. In USR 0 mode you use 48K ROM with memory paging enabled, so no memory is lost and you can use the complete memory in all banks. -
Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... ;325114]in 128K mode the Spectrum uses some more bytes in ... Bank 7 afaik, for the RAMDisc feature and other 128K ... 0 mode you use 48K ROM with memory paging enabled, ... lost and you can use the complete memory in all banks.[/QUOTE ... />
Yes. That's the reason. -
Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... menu or use the SPECTRUM command in 128 BASIC, the bankswitching features ... rom file for ZX128 and ZX128+2(grey) with correct SPECTRUM ... lost and you can use the complete memory in all banks.[/ ... program has total control over the Spectrum, and it therefore doesn ... -
Using INPUT without clearing last two lines of screen?I'm trying to print to the 22nd row of the screen using the ol' print #0 trick. Unfortunately, I require user INPUT which seems to wipe out the botto…
... just trawling through the Complete ROM Disassembly and I notice that the INPUT sub- ... I can CALL the necessary routine in ROM directly to take ... input without clearing the lower ... I'm not sure how the input would be transferred to ... -
ZX81 tape formatIs there a description of it somewhere? The TZX format doesn't give it but can it be worked out from what it says about block 19? There is a good d…
... /> -----------------------------------------------------------------------
ZX Spectrum 2168, (1) 667 ... />
(1) The Spectrum uses different Pilot Lengths for ... ]
And the ZX81 rom disassembly:
[url ... -
File formatsAll this format talk has got me thinking, what's the difference between them all? you know SNA, Z80, Tap, Tzx etc.
... . They store what's in the Spectrum's RAM, registers, etc. When ... to SNA as the latter doesn't preserve the complete state and can ... run through the loading sequence. TZX is the better of the two in ... well as blocks loaded by the normal ROM code.
... -
Duplicates, what should I do with them?Some games, couple of books.
[quote=karingal;335966]and the books?[/quote]
The Complete Rom Dissassembly in good ... -by-Step Programming ZX Spectrum and ZX Spectrum+ Graphics book 3& ... think it's Supercharge your Spectrum it's in good condition ... -
Spectrum product lineAlthough I was pretty into Sinclair machines back in the day, that was a long time ago, and I'm in the USA so I was never real familiar with the Spec…
... was developed for the Spectrum, so I have a ROM switch im my ... after they bought Sinclair'), the 128K is the most complete Sinclair machine. I ... have all of them, but I prefer the ... -
ML routines from BASICCan anyone tell me which registers should be saved and restored when calling a ML routine from BASIC? How can one know which registers are modified …
... make unconventional use of the machine stack then ... and restore the pointer too.
The only ... read the routines.
You can load the complete disassembly from the documentation ... Kramer wrote a book "The Spectrum Operating System" that documents ... -
TZX SuitabilityHi All, Firstly thanks for a wealth of info been a long time since Ive seen those set of rubber keys and symbol-shift and now it back around and we d…
... ]Ok this could be a complete waiste of time, but im ... , the tightness of the winding of the tape spool, the current azimuth alignment etc. The spectrum ROM ... loading routines probe the ... -
Spectrum 128 ROM disassembly - updatedPaul Farrow has done a brilliant job in updating the disassembly of the Spectrum 128 ROM. Updates here: [url]http://www.mjwilson.demon.co.uk/rom/[/u…
Plenty more updates in both the disassembly and PDF formatting.
Now at [url]http://matthew-wilson.net/spectrum/rom/[/url] -
Spectrum 128 ROM disassembly - updatedPaul Farrow has done a brilliant job in updating the disassembly of the Spectrum 128 ROM. Updates here: [url]http://www.mjwilson.demon.co.uk/rom/[/u…
[QUOTE=mjwilson;345922]Plenty more updates in both the disassembly and PDF formatting.
Now at [url]http://matthew-wilson.net/spectrum/rom/[/url][/QUOTE]
Good work. And ROM1 will also disassembly ? -
Successor to the SpeccyBased on the rambling on the other thread it would be interesting to see what people felt was the 'spiritual' successor to the speccy. Amiga here....
... it's got the entirety of its circuitry, bar the ROM, RAM and ... many years.
The Amiga is the complete opposite of that philosophy ... was quite so minimalist as the Spectrum, but the QL would probably be ... -
Multiface 128 Disassembly questionI was looking at a disassembly from a Multiface 128 rom, now I'm not a coder so I have a question, am I correct in understanding the code starts at #…
... looking at a disassembly from a Multiface 128 rom, now I'm ... read after the NMI might come from the Spectrum ROM rather than the Multiface ROM, and ... therefore had to be kept the ... -
Travel with Trashmanits appears there were 2 versions released of "travel with trashman" although the physical cassettes look pretty much idenetical, 1 was a fast load (…
... for console clean-rom checksums and notice the public spectrum tape collection really ... for the tape files (at pressent tzx) should contain tape sides complete ... , many of the tzx files dont, for ...
