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Z80 internal compressionThis isn't exactly a ZX Spectrum problem, but since WOS probably has some of the best Z80 coders in the world, I thought I might ask anyway. For my …
... to generate the same compressed data format as ZX7, so you will ... -
LZ4 decoderI encountered the [URL="http://code.google.com/p/lz4/"]LZ4 compressor[/URL] a few weeks ago. Reading the [URL="http://fastcompression.blogspot.co.uk…
... /> LZ4 always stores control data as entire bytes. Since it ... s much faster interpreting this data during decompression.
< ... /> ZX7 stores most control data as individual bits, thus minimizing ... possible compression for its data format. According to the ... -
LZ4 decoderI encountered the [URL="http://code.google.com/p/lz4/"]LZ4 compressor[/URL] a few weeks ago. Reading the [URL="http://fastcompression.blogspot.co.uk…
... Saukas]ZX7 stores most control data as individual bits, thus ... best possible compression for its data format.[/quote]
Ah, ... s compact, bit-oriented file format is part of the reason ... packer to LZ4's file format; that might yield better compression ... -
Isometric GamesAs a longer term project I'm thinking of attempting an isometric game, along the lines of Alien8, but with Magic Knight. No promises though, because …
... ="http://www.icemark.com/dataformats/"]data format layouts[/URL] and [URL="http ... -
Isometric GamesAs a longer term project I'm thinking of attempting an isometric game, along the lines of Alien8, but with Magic Knight. No promises though, because …
... ="http://www.icemark.com/dataformats/"]data format layouts[/URL] and [URL="http ... -
Is the +3b a myth or just rare?I have a few speccies, one of them being a +3 with terrible sound (terrible that is, until I did a minor mod to replace some resistors, now the sound…
... the photos I have of +3 and +3Bs have a ceramic ... /> If anyone wants to research +3 data separator circuitry and see if ... -
Transferring soft from PC to +3?Hi. A friend of mine has bought the +3 after longer break in Spectrum using. Which is good. He would like, however, to use it with real 3" diskette…
... fellow with a real +3 sector-copy real discs ... mostly comprehending attachment of a 3" disc drive to the ... like CPCWiki, as the 3" Hitachi drive is actually ... %22_drive_to_a_CPC6128/664"]Link: mount 3" drive to PC[/URL ... do too, as the +3 floppy format is (afaik) the ... -
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…
... use this disk in your +3 to format disks to 704K (readable ... -
Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…
... />
[B]1) store only data of things actually present on ... />
In that case the data format will be something like
You go through these data, read coordinates and draw tiles ... tiles = 160 tiles. So your data have 160 bytes, one per ... -
Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... moment you've decoded the 3 data bits into 8 joystick select ... -
Everyone's A Wally - Full disassemblyHi everyone, I've recently been playing with [url=http://pyskool.ca/?page_id=177]SkoolKit[/url], and decided to pull a game to pieces to see how it …
... it's possible to reconstruct data format from src. i'll publish ... -
New Game: Sun Bucket[IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/loader_zpsbc757e08.gif[/IMG] [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhugh…
... />
Or just publish the data format for El Stompo and SunBucket ... -
Upgrade ZX Spectrum 128,+2,+2a/b,+3[B]1. Debugging RD #7FFD ZX Spectrum 128,+2:[/B] [url]http://zx.clan.su/forum/8-121-1#795[/url]
... of paging ports because low 3 data bits is always ZX128 page ... number and next 3 bits sign value for extended ... -
Upgrade ZX Spectrum 128,+2,+2a/b,+3[B]1. Debugging RD #7FFD ZX Spectrum 128,+2:[/B] [url]http://zx.clan.su/forum/8-121-1#795[/url]
... of paging ports because low 3 data bits is always ZX128 page ... number and next 3 bits sign value for extended ... -
THE HOBBIT loading screenHello again, thought I'd have a go at an alternative loading screen for The Hobbit. [IMG]https://dl.dropboxusercontent.com/u/61658082/THE%20HOBBIT%…
... game and documentation about the data format
[url]http://www.lysator ... , a sub-program recreating the data documentation to include more content ... -
Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…
... /> LD A,12 ; data to read
JR ... HL,pulseoffdata
LD A,3 data to read
DEFB 3,30 ; channel 2, coarse ... DEFB 5,10 ; channel 3, coarse pitch (0-255 ... -
Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…
... /> LD A,12 ; data to read
JR ... AY sound
LD A,3 ; data to read
DEFB 3,30 ; channel 2, coarse ... )
PulseVolume LD B,3 ; loop counter
... -
.DSK format documentation?Unfortunately the web page at WOS points to a broken link for documentation on the .DSK format for +3 discs, and the FAQ wiki doesn't have any docume…
The standard +3 disc format is identical to the Amstrad ... ://www.cpcwiki.eu/index.php/Format:DSK_disk_image_file_format
Depending on what ... -
Beepola v1.08 AvailableA new version of Beepoa, v1.08, is now available for download from:- [url]http://freestuff.grok.co.uk/beepola/[/url] (1.76MB zipped exe, no installe…
... -- I'm assuming the song data format is the same, so presumably ... the "Compile Song->Song Data Only (.bin/.asm)" option in ... -
is there a wire frame version of total eclipse, 3d construction kit, etc?is there a wire frame version of total eclipse, 3d construction kit, etc? this would mean the game would run faster. total eclipse, etc is too slow.
... this excellent description of the data format used in Driller, Darkside and ... -
Opus DiscoveryWould anyone have any materials about programming the Opus Discovery disk? I know it overrides ROM and uses microdrive commands, but I am more into b…
... /> sector reg .... 10242 #2802
data reg ....... 10243 #2803
3. data register is (I assume) where ... or timing to pick up data from data byte?
5. What ... that the actual transport of data bytes to/from the ... -
Elite - Galaxy Creator Pokes.So 8 meagre galaxies are not enough for you? Tired of visiting the same old 2048 planets over and over? Say no more, these "Galaxy Creator" pokes wil…
... quick look to c64 save data format. Do not know about BBC ... -
Elite - Save data complete map[code] $0000 Commander Name $0001 Commander Name $0002 Commander Name $0003 Commander Name $0004 Commander Name $0005 Commander Name $00…
'The Lords of Midnight' save data format is already pretty well documented ... .html[/url] :) Interestingly the save data can also be modified to ... -
Elite - Save data complete map[code] $0000 Commander Name $0001 Commander Name $0002 Commander Name $0003 Commander Name $0004 Commander Name $0005 Commander Name $00…
... "]'The Lords of Midnight' save data format is already pretty well documented ... .html[/url] :) Interestingly the save data can also be modified to ... -
PS2 megathreadRight i was searching for ps2 discussions, couldnt even find the one id previously done about retro collection packs so thought id start a new one :)…
... Hero 2.
Guitar Hero 3: Legends of Rock.
Guitar ... Thing.
Tony Hawk's Pro Skater 3.
Tony Hawk's ... Pro Skater 4.
Total Overdose.< ... -
Bored of the Rings coded messageI was browsing [url="https://tcrf.net/"]The Cutting Room Floor[/url] recently and stumbled upon the entry for [url="https://tcrf.net/Bored_of_the_Rin…
... help?
[code]
1 DATA 208,212,123,42,200 ... ,203,35,204,32
3 DATA 54,204,63,203,32 ...
4 DATA 135,131,133,149,132 ... ,149,132,32
5 DATA 50,37,99,132,33 ... -
Bored of the Rings coded messageI was browsing [url="https://tcrf.net/"]The Cutting Room Floor[/url] recently and stumbled upon the entry for [url="https://tcrf.net/Bored_of_the_Rin…
[code]3 DATA 54,204,35,63,203,32[/code]
Error in line 3... -
Bored of the Rings coded messageI was browsing [url="https://tcrf.net/"]The Cutting Room Floor[/url] recently and stumbled upon the entry for [url="https://tcrf.net/Bored_of_the_Rin…
... 'd missed out in line 3.
I thought ... a sentence - unless it's 3 & 5 and the ... 0 REM Decode words in DATA based upon multiples of base ... REM For extra words, add DATA on lines 6-15 and ... invalid strings.
1 DATA 10: DATA 208,212,123,42, ... -
You thoughts on... MASKYou[U][B]r[/B][/U] thoughts on MASK. Mask from GremlinGraphics. The first game of the three. Just curious about opinions.. [url]http://www.worldofsp…
... to use the ROM loader data format, but the actual loader is ...
