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Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... the entire memory (including the ROM), starting at 32902, and jumping ... /> For more details, see the disassembly of the Skool Daze [url ... -
Microdrives load & save routinesHello everybody! Who knows where i can find the machine language routines to load/save from/to ZX Microdrives? Many thanks in advance.
... first version of the IF1 rom. It could be adapted to ... with the second version of rom, though.
In this ... also excellent disassembly listings of both versions of the IF1 rom over ... -
Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... at the stage where the ROM images should be loaded. Either ... a card and stored the ROM/SHADOW ROM then I could hold ... to waste any time with disassembly.
Fact is the ... -
Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
... ; for the Spectrum ROM, the Logan/O'Hara disassembly - that'll give ... I wouldn't recommend the disassembly for beginners, it will become ... Ian Logan, which explains the ROM routines and how to use ... -
Outputting debug trace to RS232 (assembly)Hi Guys, I'm working on a game at the moment (written in assembly) but I am really needing to write out a debug trace of what is going on with the p…
... the IF1 ROM is the "START-4" routine, the disassembly says that ... -
Outputting debug trace to RS232 (assembly)Hi Guys, I'm working on a game at the moment (written in assembly) but I am really needing to write out a debug trace of what is going on with the p…
... the IF1 ROM is the "START-4" routine, the disassembly says that ... returning from a IF1 main ROM call (it is not) and ... isn't ready to calling ROM routines. -
PlusDlite problems with 128K modelsLast year I developed the PlusDlite, and already shipped out a couple of them. Only recently I discovered some problems with 128K models. I remember…
... the 128k models have two ROM banks. Is it possible that ... the other ROM bank is using addresses 58 ... .biehold.nl/rudy/"]the PlusD disassembly[/URL] (click) that the routine ... -
How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... code from Dave Jones game disassembly, I managed to piece the ... /> loadfont:
ld hl,font ; ROM font.
ld de,60000 ... -
Help with 1-bit sampled soundHi all, I've been sent over this way from the CPC Wiki forums as you guys may be able to help me more specifically with a programming query. Firstly…
... posted seems to contain a disassembly of the Sharp's monitor ... away at the Monitor (kernal) ROM code for a short while ... -
OPUS Discocery DriveHi, since I am new here pls. excuse my bad English. I have a problem with 2 OPUS DISK Drive. One of them is working fine the other not. So I decided…
... data that is copied from ROM. During a Format the 'current ... can be found in the disassembly in the WOS archive.
ROM 2.2)?[/QUOTE]
The ... .
Will bring a combined ROM to Mahlerts. -
Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... />
because there is a disassembly available here so I can ... . Acording to the Atic Atac disassembly this is just after the ... first. That way the basic rom plot routine can be encouraged ... -
Help with 1-bit sampled soundHi all, I've been sent over this way from the CPC Wiki forums as you guys may be able to help me more specifically with a programming query. Firstly…
... comes with a complete disassembly of the rom and circuit diagrams. Go ... program but nothing on the rom and no circuit diagram. Fast ... -
Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... />
For example the basic ROM writes to the attribute file ... the Hobbit, which uses the ROM plot routine, and it works ... /> Even though I have a disassembly of atic atac to work ... -
BAS-ROM for HarlequinSince it is very easy for everybody to plug a new BAS-ROM into his Harlequin there is the question, what kind of ROM and what additional functions sh…
... there exist a well documented disassembly of SE-Basic? The point ... are based on the Sinclair ROM routines. I expect that in ... between the Sinclair ROM and the IF1Bis BASIC ROM without crashes, since ... -
BAS-ROM for HarlequinSince it is very easy for everybody to plug a new BAS-ROM into his Harlequin there is the question, what kind of ROM and what additional functions sh…
... there exist a well documented disassembly of SE-Basic?[/quote]
ROM routines. I expect that in ... between the Sinclair ROM and the IF1Bis BASIC ROM without crashes, since ... patched version of the original ROM. I think it should be ... -
Is there an SNA halt bug?Hello all, I noticed that some SNAs don't work on my emulator but they do work in almost everyone else's, SPUD fails with them too which is a tad sp…
... . On reflection, looking at my disassembly, it seems saving of snapshots ... least with the older Microdriver ROM) is done in three separate ... /> I'll put my partial disassembly up on the net (assuming ... -
Is there an SNA halt bug?Hello all, I noticed that some SNAs don't work on my emulator but they do work in almost everyone else's, SPUD fails with them too which is a tad sp…
... . On reflection, looking at my disassembly, it seems saving of snapshots ... least with the older Microdriver ROM) is done in three separate ... /> I'll put my partial disassembly up on the net (assuming ... ] . Also how to decode the ROM chip. -
Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.
... .worldofspectrum.org/ldbytes.html"]disassembly of the ROM loading routine here[/URL ... you're just copying the ROM into RAM, as the routine ... -
Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.
... .worldofspectrum.org/ldbytes.html"]disassembly of the ROM loading routine here[/URL ... -
+128 with usr0 in menu screenIve just watched a video of a guy with a spectrum and on the loader menu i think under calculator the menu had an entry for usr0,anyone aware of this…
... compile your own ROM from Paul Farrow's disassembly.
The ... the version of the BASIC ROM with the original from the ... change to the 128 editor ROM. You lose the test screen ... games that checksum the original ROM, like some versions of [i ... -
Multi Multiface: the projectI posted some updates on Facebook yesterday about the development of the Multi Multiface, but here is the right place to share all technical findings…
Is there a disassembly of the Multiface 3 ROM available? -
Multi Multiface: the projectI posted some updates on Facebook yesterday about the development of the Multi Multiface, but here is the right place to share all technical findings…
... ]Is there a disassembly of the Multiface 3 ROM available?[/QUOTE]
ZX-Assembler in progress...Dear readers, I just want to announce that ZX-Assembler is not longer only an idea in my mind. It's just alive. Unfortunately, it's too early to mak…
... to work on a SkoolKit disassembly could first use ZX-Assembler ... />
[*] BTW calls to ROM routines should be automatically identified ... to the middle of a ROM routine like address $0e9e ( ... a pre-defined list of ROM labels (defined with a separate ...Is bank 7 usable at all?Can you assemble stuff and page bank 7 in and out? I've encountered nothing but problems so far, where does it page to? 49152?
... /> As per the 128 ROM 0 Disassembly PDF at [URL="http://www ... .matthew-wilson.net/spectrum/rom/"]http ... ://www.matthew-wilson.net/spectrum/rom/[/URL]
"Editor Workspace ...Rom questionHi Can .rom files be viewed? I am curious to what the .rom file looks like. I saw some versions that have been modified and have source code to vie…
... or scroll through to the ROM area in the debugger/monitor ... look for a commented disassembly of the ROM you are interested in ...How to get the current line position of a +3e's text window?Does anybody know how to get the current line position of a [url=http://www.worldofspectrum.org/zxplus3e/]ZX Spectrum +3e[/url]'s text window? I've r…
... /Spectrum128ROMDisassembly.htm]ZX Spectrum+ 128k ROM 0 disassembly[/url] at the ZX ...Serial comms - duzzit work?Has anyone ever successfully got two 128K Speccies (of any variant) to communicate with each other over the SERIAL / RS232 / MIDI / AUX ports? I can'…
... ?
The disassembly of the 48K ROM is well-known, but ... IF1 paged in its own ROM to do the actual low ...Serial comms - duzzit work?Has anyone ever successfully got two 128K Speccies (of any variant) to communicate with each other over the SERIAL / RS232 / MIDI / AUX ports? I can'…
... =joefish;821861]The disassembly of the 48K ROM is well-known, but ...ZX81 SP ROM Disassembly<div>Hi All,</div><div><br></div><div>For anyone who is interested in ZX81 Assembler and ASZMIC ROM...</div><div><br></div><div>I have created a disa…
A new version of the SP ROM .asm and binary .rom files have been posted containing a couple of fixes for erroneous bytes in the disassembly.
There are also two new demo programs added.
See above links for more information.
Regards,Derek.Basic SAVE and ZX Printer supportIs there a list of emulators that support any of these two features (basic SAVE and print to printer port)? Is there a emulator comparison some wh…
... to implement printing support through ROM only, at least for a ... isn't a protocol - the ROM outputs on/off signals to ... program. You can get a disassembly, but that's not the ...
