-
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... 8012 | 8090 | 7689
code-3 | 8406 | 8524 | 8273 | 8135 ... 4144 | 4173 | 4030
scrv-3 | 3604 | 3688 | 3670 | 3684 ... 7549 | 7470 | 6525
text-3 | 10252 | 10681 | 9184 | 10887 ... here, because Old MegaLZ data format may be a better ... -
How to align head in +3 drive?Hello! I am still struggling to make my +3 drive format disks. After a short email discussion with Steve from DataServe Retro i am ready to admit th…
... was formatted in +3 understandable format elsewhere and has data on it - i ... can read it. If i format it ... (cat gives trak 0,.format gives "no data"). For readable disks a ... head alignment described on the data serve site. To check indexing ... -
RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... /> Today I tested a new data format, that I called [B]"RLE7 ... first bit in the compressed format indicates if the original file ... | 5443 | 5306 | 5018
scrh-3.scr | 6912 | 4269 | 5184 | 5099 ... -
RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... | 11 | 010 | 1
3 | 111 | 011 | 0
...
10 | 1111111111 | 0001010 | -3
11 | 11111111111 | 0001011 | -4 ... refer to this new data format as "RLE0-bit". ... -
RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... the algorithm that uses TIFF format. I think that you need ... reference I found about this data format is [URL="http://www.fileformat ... in a compression ratio of 3:1 or even lower, and ... -
RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... as '0001001', thus making it 3 bits longer (instead of "RLE0 ... could not figure out any data format using it that seemed good ... -
RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... next test is based on data format "RLE0-bit" instead of MHC ... | 4940 | 4939 | 4767
scrh-3.scr | 6912 | 6434 | 6437 | 6506 ... /> According to these results, RCS format still provides better compression than ... -
Help needed restoring PCBs from scans/picturesSee below post. [url]http://www.worldofspectrum.org/forums/showpost.php?p=692138&postcount=15[/url] I have all the skills needed for such a task, but…
... .dxf[/B] - above in vector format
[B]dfc42d4937ab.jpg[/B ... [/B] - both layers in photoshop format (bitmap) with an additional scale ... the vectorized top layer (Eagle Pro 6.3.0)
[B]top ... .dxf[/B] - above in vector format
[B]ver22_e.pdf[/B ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... a pain, here's a data format for characters:
8 ... mask, one byte is OR data
The pixels are ... characters from a list of data pointers and X/Y character ... they've moved, then the 3 or 5 character squares they ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... a pain, here's a data format for characters:
... mask, one byte is OR data
The ... , therefore even the current btiles format could support it.
... from a list of data pointers and X/Y ... 've moved, then the 3 or 5 character squares they ... -
external drive +3I recently bought an external drive kit for my +3 [url]http://www.ebay.co.uk/itm/111267120287?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649[/ur…
... . I could be able to format only one side of the ... floppy with the +3 BASIC FORMAT command. The data from the formatted floppy ... tell me how can I format DS-DD floppies to 720K ... at least double sided from +3 BASIC? ... or this feature exists ... -
external drive +3I recently bought an external drive kit for my +3 [url]http://www.ebay.co.uk/itm/111267120287?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649[/ur…
... could be able to format only one side of the ... floppy with the +3 BASIC FORMAT command. The data from the formatted ... me how can I format DS-DD floppies to ... at least double sided from +3 BASIC? ... or this ... feature exists only in +3 DOS API level...[/QUOTE]< ... -
Questions about Vortex Tracker II exported songsHi, I have been experimenting with Vortex Tracker II lately and have a couple of questions. By exporting the song to TAP format, a file is generated…
The PT3 format used by Vortex II is ... . And also the routine contains data for different types of machines ... come up with the ProTracker 3 Extreme format (P3X) which removes the ... -
New from Paul Farrow, the ZXC4This is exciting stuff!!!! Sorry if ive stepped on your toes Paul, wanted people to hear about it!!! [QUOTE]Hi I?m happy to announce the release o…
... emulator to support an enhanced data format that allows a single ... 4MB to store / retrieve data using the standard SAVE and ... loading typically takes only 2-3 seconds, saving is slightly ... inside the Spectrum +2B/+3, inside the ZX Interface ... used with the +2B/+3. -
Help for beginner with z80Hi chaps, I'm reasonably new with z80, but had a fair amount of experience with 68000, so decided to give a few things a go. One little thing I'm t…
... really a music data format as such - it' ... embeds the music data and playback code from ... for the .AY format. It's not ... Tracker, on the other hand, supports a dozen or so music data ... data in a known format, rather than just being binary blobs, Vortex Tracker ... -
AYFX .afb files<p>I've been creating sound effects using AYFX v 0.4. How do you go about implementing these files into .asm to use in a game?</p><p>I cant make…
... are storted in LSB, MSB format.
... changes.
bit0..3 Volume
bit4 Disable T ... =absolute address of effect data
Data:
... +n (m bytes) The effects data, format is the same as in ... -
Look whats possible in 924 bytesSo, finally after over a year of development and nearly 25 years since I first designed the graphics, I've actually made it to the point where this i…
[u]Part 1. Graphics data format.[/u]
[url="https ... instance.
The format is as follows;
3) and if it has an additional standard data type ... mystery surrounding this rather complex data format.
it was ... -
ZX-Paintbrush and global palette and ula+ supportHello, I think I need some help for the palette issue of ZX-Paintbrush. I want to check whether the way I'm about to clear the palette handling i…
... depending on the source 'Image format'.
As I ... change the activated palette 0..3 when files are opened.< ... and does not change the data format of the source image. ... /> Extends the source image format with 'ULAPlus palette data'.
... -
1k Chess (was the 924 bytes thing!)Hi, I've decided to do a major rewrite of large parts of the code for the isometric Chess thing that I've been messing with. It got to the point, …
... br /> I know the graphics data format is a little complex to ...
ret ;24 bytes (+17 data)
index_data:
... br /> rrd ;bits 0-3 of (HL) into A< ... -
Printing text, part MMXIIXI'm pretty sure there's been a zillion threads about this already, and I don't think it's the first one by myself either, but here goes. Proportiona…
... 'm down to about 1/3 of a frame for the ... . Thankfully it only took you 3 posts to explain that this ... changed the algorithm and the data format mid-way. In other words ... they generated from the font data/or whether this must be ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
Now I have your level data format I can update my code ( ... types and what is the data for those?
I ... space, 2 = exit, 1 = wall, 3 = box, 22 = key, 23 = gem ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... "]Now I have your level data format I can update my code ... types and what is the data for those?
I ... space, 2 = exit, 1 = wall, 3 = box, 22 = key, 23 = gem ... mockup of how the level data could be stored and loaded ... -
getting files onto disks for +3sI'm starting to get exasperated now! How can I get spectrum programs onto 3.5" disks to use with my +3. I used to have a sure fire method, that worke…
... I get spectrum programs onto 3.5" disks to use with ... my +3. I used to have a ... the disk images are of 3" +3 standard format disks, I want to ... write to 3.5" disks formatted with ... -
Zetr0's Catchup Time (hardware / software)Hello there my fellow ZX'ers I have been soaking myself into the "world of spectrum" and more I do, the more I realize I have to play catchup.... a …
... Spectrum 128 and my Spectrum +3
I would like ... /> [/indent]
[B]3. IDE devices on Spectrum's ... have a +2A(recently) and +3, both are now running +3e ... to only 32MB?
3. What Format is the card in, can ... -
I converted Blitzkrieg Bop onto the Speccy......using Beepola in the space of 5 hours. I was looking through Morcar and Mr Beep's threads on their tunes, looking for ideas for my "Duke Savage" t…
... the advantage of having used Pro-tracker on the Amiga in the ... -
more on storing mazesPrompted by Wookiee's escapades, I've been pondering on how to use DATA statements directly for displaying background graphics, thus avoiding the dup…
... on how to use DATA statements directly for displaying ... printed;
* the background DATA can be referenced & modified ... da< TAB ??>"
3 DATA "n","PAPER ? AT b? ... REM calculate & store the DATA parameters
LET m(m ... -
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... , planning to work on data compression. Although I quickly ... about improving existing packers (data compressors) for the ZX- ... 1977") algorithm, using a data format very similar to Bitbuster. In ... always find the best data compression) and nearly instantaneous ... -
48k Music Software?Hi Guys, I need to create a short soundtrack for an art project, and Id like to use my 48k Speccy - Is there any music production software that w…
... />
I tried to use 'pro-tracker 1.1', but it doesn ... -
MindshadowHaving seen the RZX of this game, I was inspired to work out its internal data format: http://www.seasip.info/ZX/mindshadow.html . The internal la…
... to work out its internal data format: http://www.seasip.info/ZX ... -
what would you?.................hi everybody, what games would you have liked to have done the programming, graphics etc for and why? :)
I worked out all the room data format etc. for Knight Lore then found it all already done here :-/
[url="http://www.icemark.com/dataformats/knightlore/"]http://www.icemark.com/dataformats/knightlore/[/url]
