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InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…
... at certain points in the Spectrum ROM, the paging in circuitry will switch ... an array that shadows the ROM (and RAM?) and assign ... the monitored addresses are documented in the I/F manual.< ...
Another thing to bear in mind, many "simpler" interfaces which ... -
InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…
General ROM paging is all done in hardware. Take a look at ... connector. Every memory chip in a Spectrum (both ROM and RAM) has ... asserted. In a 48K model, this will either be the ROM chip ... />
Concentrating purely on the ROM, when the Spectrum reads from ... -
How did games started with LOAD "" CODE auto-start?Some early games (l remember for example [B]Galaxians[/B] from 1982) was loaded with LOAD "" CODE, which in one single block first loaded the loading…
... loaded with LOAD "" CODE, which in one single block first loaded ... start by itself, without any BASIC loader with Randomize usr command? I ... directly above the display file in memory (due to the game ... included in these variables is the one for "jump to BASIC line ... -
Cannon BubbleHello! I would really like to transffer this game ( [url]http://cezgs.computeremuzone.com/eng/card.php?id=14[/url] ) to my REAL +3 disk drive. Becau…
In the basic loader there's a line containing ' ... the real values are stored in the 2 bytes after each ... loading routine that's stored in that REM.
The ... version also runs a disk loader in machine code. If you can ... -
Cannon BubbleHello! I would really like to transffer this game ( [url]http://cezgs.computeremuzone.com/eng/card.php?id=14[/url] ) to my REAL +3 disk drive. Becau…
[QUOTE=zxbruno;193860]In the basic loader there's a line containing ' ... the real values are stored in the 2 bytes after each ... -
Tapir feedback[QUOTE=jpablo]Are you planning to add support for decoding VOCs/WAVs from the tool as well?[/QUOTE] Since Luca offered help, we may together even so…
... with the real life floppy in the drive! There are files ... I can see the point in that.
What would ... program to search through the BASIC text (if a code file ... , 32, LOAD - effectievly converting the BASIC loader on disk to load from ... -
Tapir feedback[QUOTE=jpablo]Are you planning to add support for decoding VOCs/WAVs from the tool as well?[/QUOTE] Since Luca offered help, we may together even so…
... the real life floppy in the drive! There are ... I can see the point in that.
... LOAD - effectievly converting the BASIC loader on disk to load from ... WAV), file converters(bitmap, basic, text, asm), snapshot drivers( ... an extensible plug-in architecture. -
A New 21 UDG Plotter BASIC ProgramHello All, Here goes... My first proper Spectrum program for 20 years! And the reason why I've been asking about multiple banks of UDGS recently. …
... 's area 65200 that crashes in the basic and compiled programs.
in the basic loader to make space for ... ? I believe that causes Spectrum basic to relocate the stack, but ... -
A New 21 UDG Plotter BASIC ProgramHello All, Here goes... My first proper Spectrum program for 20 years! And the reason why I've been asking about multiple banks of UDGS recently. …
... you executing a CLEAR xxxx in the basic loader to make space for ... ? I believe that causes Spectrum basic to relocate the stack, but ... -
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…
... /> I would suggest the following (in no particular order):-
256 ... )
ZX BASIC compatible BASIC interpreter (with extra keywords) on ROM
Spectrum ... ?) and still have a ROM image in there that needs special licencing ... -
A challenge thats probably impossiblehere's a challenge for all you coders. Given a snapshot, is it possible to create a program to sniff out the original start address for the game that…
... wrong although), you can guess in some cases the start of ... , you must first load game loader written in Basic, which then loads game ... part of memory where this Basic loader is stored (it is usually ... -
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…
... , all source codes in are availible in AHDL.
[QUOTE ... come without ROM or with empty ROM, but in this case ... an end user would need a ROM ... to find a Sinclair ROM image somewhere and flash ... , i.e. 48K BASIC and 128K BASIC. TR-DOS (by ... -
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…
... 16 pixels of last letter in display
uchar *disp; // screen ...
m_ptr = message; // next letter in message, last to initialize (see ... /> asm("call\t56"); // call ROM isr so basic can coexist with scroller ... -
Hidden messages whilst loading gamesHi all, Was having a chat with my mate about old speccy games and remembered that pausing the loading on some games and then printing gave strange m…
... , Scooby Doo) contain messages in the Basic loader. Some guy who's crazy ... -
Hidden messages whilst loading gamesHi all, Was having a chat with my mate about old speccy games and remembered that pausing the loading on some games and then printing gave strange m…
... , Scooby Doo) contain messages in the Basic loader. Some guy who's crazy ... Stuart Middleton. [url=http://equ.in/ox/spectrum/eggs/stuart_middleton.php ... -
Help hacking Split PersonalitiesI`ve been hacking away at Split Personalities for the purpose of putting new screens and graphics (items). The current screen is at 41187 and is 160…
... hack and remade the saved basic loader. Now pressing 's' will save ... the whole game including the basic Program: . I left out ... with binary files, and saving basic loaders is not necessary. The ... whole tape saves in one go.
This ... -
Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …
... SPIN to load the BASIC as bytes (with both ... the leader tone of the BASIC loader block somewhat extended, even ... bar goes black and advances in a jiffy to -say- ... I need to remove the BASIC header altogether, dunno.
in the WAVs I did not ... -
Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …
... just load the original wav in spin and it loads fine ... made. The original loads fine in my Spin as well, but ... of it. The very first BASIC loader bit, I mean.
in telling me why it won ... -
Amaurote - help neededHow do I detonate a Supa Bomb in Amaurote? I have radioed to have one sent and picked it up, but pressing fire seems only activate the bouncing bombs…
... Amaurote and Zub floating around in computer shops.
< ... with a slightly different BASIC loader to the Dro Soft ... you start in a different place in TRAAL in the two ... different (green in one version, yellow in another). I ... t any music in that version; in v1.0 ... -
Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …
... . The original loads fine in my Spin as well, ... of it. The very first BASIC loader bit, I mean.
... if anyone is interested in telling me why it ... saved as .Z80 snapshot in an emulator and then converted ... all pages have proper bytes in them - because of Tapers ... -
A few questions about machine codeOh no... another noob. I'm giving my first steps in assembler (finally, after 20 years stuck in BASIC). I read a SU article explaining that if I wan…
... , after 20 years stuck in BASIC). I read a SU ... routine from the spectrum rom, because it's expecting ... still see registers as BASIC variables, and I want ... Every time you call a ROM routine, you can't ... very successful return to basic with the interrupts disabled. ... -
A few questions about machine codeOh no... another noob. I'm giving my first steps in assembler (finally, after 20 years stuck in BASIC). I read a SU article explaining that if I wan…
... (finally, after 20 years stuck in BASIC). I read a SU article ... a routine from the spectrum rom, because it's expecting it ... . I still see registers as BASIC variables, and I want to ... -
How can I view code from a game?Hi All, I had a Spectrum years ago and it is what started my love for playing games. I have recently been playing some of the old games I used to pl…
... Striker. It is written largely in basic. (with some m/c routines ... ). I have the listing in plain-text in front of me.
BASIC "loader" program).
4. I ... many emulators have dissasemblers built in nowadays, (oops, I just ... -
Disk problemsHello Spec-chums, we are producing a disk magazine called SCENE+ (for about 10 years now) and we distribute it for various disk systems (Opus, +D, MB…
... had to convert the Basic-Loader (also add disk loading ... did it last time in pure Basic. Using TAPER I did ... TAP File in Basic and SAVE to Disk also in Basic. Any ... work with it and exchange Basic Loaders.
... the systems not possible in another way as it ... -
Disk problemsHello Spec-chums, we are producing a disk magazine called SCENE+ (for about 10 years now) and we distribute it for various disk systems (Opus, +D, MB…
... /> Can you tell it in easier words? Can FUSE be ... I had to convert the Basic-Loader (also add disk loading ... did it last time in pure Basic. Using TAPER I did ... TAP File in Basic and SAVE to Disk also in Basic. Any ... However, it can be done in more "sneaky" ways - ... -
New versions of ZX-Editor and ZX-Preview publishedDear ZX-Spectrum Emulator fans, I want to announce that I published new versions of ZX-Editor Second Edition and ZX-Preview today. Refer to [url]www…
... /> Are you trying to find BASIC variables? If so, please check ... . If a game is written in machine code you won't ... game variables, only the ones in the BASIC loader (someone correct me if ... I'm wrong). Basin only shows BASIC ... -
Paging MemoryAny idea why this short piece of code doesnt work, just crashes. I am just messing with paging memory in and out (not achived this yet) and reading t…
Starting your Basic loader with CLEAR is standard practice - ... you're about to load in.
If you really ... want to do that from Basic (and you're confident ... that your code isn't in a place where it's ... you want to return to Basic afterwards, then you'll have ... -
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…
... The nice thing about BBC BASIC (this may have been ... underlying MOS rather than the BASIC itself) was that every ... to the MOS and BASIC, so a much higher ... about the Model B+ ? paging in a 12 KB window can ... with the built-in assembler... but OTOH, BASIC on the Beeb ...
