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IBM Floppy Disk Drive for Spectrum +3If I connect one up, will I be able to download roms and write them to a floppy with my PC, then play them natively on my Spectrum +3? What format di…
... exactly same)
Look for a zx spectrum/CPC464 to ... .
Also, check for +3e rom upgrade for your +3. it's ... -
Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…
... is 3 byte CALL of ROM routine.
To fill whole ... is short way without using ROM routines - 8 bytes (but it ... -
Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…
... is 3 byte CALL of ROM routine.
To fill whole ... is short way without using ROM routines - 8 bytes (but it ... />
Very nice (provided that ROM contains at least one non ... -
Playing 128k music with z88dk ?Hi, I'm amazed how easy seems to make things with z88dk to build spectrum asm programs. After my first approach I miss some way to play 128k music, s…
... , adding a machine code routine for playing music is really easy ... up an interrupt routine that calls that code for you from ... save registers (if the music routine doesn't do it itself ... at address 0xd4d4 (interrupt service routine entry)
wpoke(0xd4d5, ... -
ANN: Shadow of the Unicorn LROS cartridgeI have produced a Timex 2068 cartridge version of this Mikro-Gen title from 1985. The original was a 64K game provided as a 16K ROM and cassette. Thi…
... still help to have the ROM available for download separately from the ... a different ROM to be used with ZZ Spectrum for this title ... that could theoretically be done for the TZX image (which would ... -
+3 BASIC and RST 8I've been working on adding commands to the BASIC interpreter, in a similar style to how Interface 1 does it (catch the RST 8 error trap). This works…
[QUOTE=Winston;338300]Are the +3e ROMs the same?[/QUOTE]
Yes, they're compatible so long as you don't try calling any specific routines in the Syntax ROM (except for the restarts), since they'll have moved around. -
Detecting Spectrum modelsIs there any sure-fire way a program can detect the model of machine it's running on (48K, +, 128, +2, +2A, +3, clones) even when running in the 48K …
... ! But putting in a custom routine for each variant may cause problems ... at what I can do for the other machines.
for the 60hz clock. Not sure ... -
RLE source codeI'm considering tweaking my Des Des loader to cope with on the fly decompression (yeah I'm bored) I was wondering if anybody out there had a very ba…
An LZ routine for the Z80 would be fantastic to see -
RLE source codeI'm considering tweaking my Des Des loader to cope with on the fly decompression (yeah I'm bored) I was wondering if anybody out there had a very ba…
... =Yowl;344101]An LZ routine for the Z80 would be fantastic ...
general LZ packers exists for long time.
there are ... LZSS optimizing cross packers, BitBuster for example.
then excelent ... others
basically, for ZX, the RLE, Huffman and ... -
Detecting Spectrum modelsIs there any sure-fire way a program can detect the model of machine it's running on (48K, +, 128, +2, +2A, +3, clones) even when running in the 48K …
... 't be doing the synchronised routine for 100% of the time. ... will be good enough. For that I'd have to ... code synchronised to the sound routine (and no interrupts), and ... stage.
So, for now, I'll still be ... using this system for sound effects but I ... -
Amiga 600HDOk so I have an @*%#$&@*# Amiga 600HD (I shall avoid using the C word around here) and now a PSU. I have plugged it into my TV and it's telling me I …
... you need to upgrade the ROM chip too.[/QUOTE]
for big leaps in Windows or ... worked fine with the same rom...same for the 2s and 3s ... -
Interface 2 issueI have an Interface 2 that has a problem. When a joystick is hooked up to it the 'down' direction doesn't work, this is the same on both ports. It's…
... to the I/O requests for two particular rows and overriding ... its own (open-collector for key up, grounded for key down). What this behaviour ... means then is that the "down" key ... -
upgrades what you looking for?i start working for upgrades for ZX, but i'm Atari specialist and i don't know exactly what you need for ZX. On the moment i have DIVIDE in stock, an…
... or reverts to a normal ROM image. So although the ... Speccy first. Then use it for software testing and debugging.
ROM for a program that automatically copies ... gets paged in.
For example, that streaming video setup ... -
Tips on (dis-)assembling Z80 instructionsedit: Naturally I managed to post this in the wrong forum. I'd much appreciate it if any moderator would move it to the development section. For the…
... time and space efficient methods for parsing and decoding assembly opcodes ... optimizing the assembly routine for size and the disassembly routine for speed if that ... -
Tips on (dis-)assembling Z80 instructionsedit: Naturally I managed to post this in the wrong forum. I'd much appreciate it if any moderator would move it to the development section. For the…
... time and space efficient methods for parsing and decoding assembly opcodes ... optimizing the assembly routine for size and the disassembly routine for speed if that ... can write own bytecode interpret for running such machine, with carefull ... -
Reading from the 128 Serial PortDon't shout at me if this is a silly question. I have Googled extensively, and searched the forums, but I can't find anything discussing what seems t…
... if I can use it for these cartridges though.
Any 16kB ROM file for INTERFACE 2 can be used ... MB02+ interface. It's RS232 ROM for DivIDE:
[url]http://velesoft ... -
Reading from the 128 Serial PortDon't shout at me if this is a silly question. I have Googled extensively, and searched the forums, but I can't find anything discussing what seems t…
... he could create a small routine for +3 users to to receive ... app if possible) and another routine to send a complete 3 ... -
Reading from the 128 Serial PortDon't shout at me if this is a silly question. I have Googled extensively, and searched the forums, but I can't find anything discussing what seems t…
... he could create a small routine for +3 users to to receive ... app if possible) and another routine to send a complete 3 ... -
ANN: ResiDOS v2.25 and +3e ROMS v1.38 releasedA major new release of ResiDOS, v2.25, is now available! The most important new features are commands and functions allowing new extended streams an…
Congratulations! Well done! I guess I'll have to get Guesser's flash ROM doohickey for my +2A so I can give these a go. Any room left to put keypad support back into the 128 editor? -
ANN: ResiDOS v2.25 and +3e ROMS v1.38 releasedA major new release of ResiDOS, v2.25, is now available! The most important new features are commands and functions allowing new extended streams an…
... to get Guesser's flash ROM doohickey for my +2A so I ... -
ANN: ResiDOS v2.25 and +3e ROMS v1.38 releasedA major new release of ResiDOS, v2.25, is now available! The most important new features are commands and functions allowing new extended streams an…
... to get Guesser's flash ROM doohickey for my +2A so I ... find the few bytes required for the DATA pointer fix ;-) -
Back to Skool disassemblyAs mentioned in [url="http://www.worldofspectrum.org/forums/showthread.php?t=22841"]this thread[/url], I've been working on a disassembly of Back to …
... can use this for example to implement a multiplication routine for BCD numbers ... -
need MF128 ROM for use with PlusD interfacedoes anyone have this ROM? Can they read out the ROM as I want to use my Not The Plus D interface with a multiface 128. thanks in advance if anyone c…
... got both MF128 for Opus (v87.1 Rom), and for Disciple (which I ... D) and Opus (v87.2 Rom) in front of me. The ... more modification than just a Rom is in order...
The ... getting some pcb's made for my clone of the Plus ... -
divIDE & Joystick interface / other peripheralsHi, Anyone on here with a divIDE, managed to get the divIDE to play nice with a Kempston joystick interface; specifically - a RAM Turbo joystick int…
... is there a possible fix for making these incompatible device ... can disable access to rom area for other interfaces if MB02 ... connect any other interface. For example DivIDE,DivIDE+,BETADISC,D40 ... BOOSTER (HYPERFACE) is designed for connect up to four interfaces ... -
New BUZZSAW+ Demo, No.2OK everybody, here's the latest demo of [I]Buzzsaw[/I]. This includes the title screen I wrote in Corfu with control selection, some new sprites and…
... POP the target addresses off for each row of the sprite ... be in a front and for one frame you animate just ... can use a bit slower routine for drawing (say 10-11 blocks ... -
New BUZZSAW+ Demo, No.2OK everybody, here's the latest demo of [I]Buzzsaw[/I]. This includes the title screen I wrote in Corfu with control selection, some new sprites and…
... be in a front and for one frame you animate just ... can use a bit slower routine for drawing (say 10-11 blocks ... quite a bit of time for my game logic, but it ... -
Hidden routine in loading screenAs discussed in another thread, the loading screen for [B]Back To Skool[/B] seems to have a hidden routine (in blue INK and PAPER). It would be inter…
... can't be a loading routine for the reasons already exposed above ... snippets, along with some text (for example at $4600, $55F0, $56E2 ... also manages the yellow screen for joystick selection.
I ... -
Hacking a adventure gameHello folks, on the recent issue of SCENE+ Diskmagazin is a game called "By right of Birth",you can find this game also on WOS. Although this magaz…
... . so exit point of rom routine LD-BYTES is point where ... -
+2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …
Exist also three rom version for ZX128+2(grey)
... +2 with english keyboard+english rom
and ZX Spectrum 128 ... +2 with spanish keyboard+spanish rom.
Exist photo of french ... ]
FRENCH +2 (only rom)
[img]http://velesoft.speccy ...
