World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.006s
<1…13141516171819…34>
  • Can Anyone explain sprites in Jet Pac/Atic Atac etcJet Pac was 16k, and yet the sprites were impressively fast. I notice they had a slight flicker at times, but were notmally pretty flicker free. W…

    ... , (de)
    or (hl) ;not XOR but OR
    ld (hl ... z ;reutrn from sub
    xor a
    ld (DC5), A ... )
    ld c, a
    xor a
    ld (DC6), a ...
    Fikee Fikee October 2004 Development
  • Dave Perry InterviewI conducted this interview with Dave Perry, famous for games like Turtles, Trantor, Extreme and Dan Dare 3 to name but a few... Enjoy! Dave Perry wa…

    ... I can get some decent compression ratios, I got quite a ...
    CKay CKay October 2004 Sinclair Miscellaneous
  • Can Anyone explain sprites in Jet Pac/Atic Atac etcJet Pac was 16k, and yet the sprites were impressively fast. I notice they had a slight flicker at times, but were notmally pretty flicker free. W…

    ... br /> ld de,(_Sprite_ScreenAddr)
    xor a
    ret
    ... /> ld de,(_Sprite_LastScreenAddr)
    xor a
    ret
    ... hl,(_Sprite_ScreenAddr)

    xor (hl)
    ld (hl),a ... hl,(_Sprite_ScreenAddr)

    xor (hl)
    ld (hl),a ...
    robpearmain robpearmain October 2004 Development
  • How can I scroll a line of text and wrap perfectlyI know this is easy for most of you but for some reason I am messing it up. In Assembly Language I want to do the following: I have 1 line of text …

    ... C,L

    LOOP XOR A

    RL (HL ...
    dmsmith dmsmith October 2004 Development
  • Sprite Graphics TutorialHi everyone, Would like some feedback on the following: I am thinking of writing a Sprite Graphics Tutorial, ie. how to best program and implement …

    ... sprite types:

    1. XOR Remove (Check collision) Redraw
    2. XOR Remove and Draw same line ...
    robpearmain robpearmain October 2004 Development
  • Programming Sound EffectsHi guys, Have decided, probably due in some way to my midlife crisis, to tart up and re-release (or even just re-lease) the old 48K Speccy games I w…

    ... and come up with a compression scheme to make samples tenable ...
    Alcoholics Anonymous Alcoholics Anonymous October 2004 Development
  • Sprite Graphics TutorialHi everyone, Would like some feedback on the following: I am thinking of writing a Sprite Graphics Tutorial, ie. how to best program and implement …

    ... sprite types:

    1. XOR Remove (Check collision) Redraw
    2. XOR Remove and Draw same line ...
    Alcoholics Anonymous Alcoholics Anonymous October 2004 Development
  • New Turbo-Load version of Tales From A Parallel UniverseNot very interesting to most, but I know some of you still use 'real' Spectrums. While fiddling around with a program I created ages ago to build c…

    ... ? There's some kind of compression/decompression here. This gets more ... />
    update2: or is the compression handled by a seperate routine ...
    darkman darkman October 2004 Games
  • Sprite Graphics TutorialHi everyone, Would like some feedback on the following: I am thinking of writing a Sprite Graphics Tutorial, ie. how to best program and implement …

    ... enemy sprites using the traditional XOR method for drawing and collision ...
    robpearmain robpearmain October 2004 Development
  • New Turbo-Load version of Tales From A Parallel UniverseNot very interesting to most, but I know some of you still use 'real' Spectrums. While fiddling around with a program I created ages ago to build c…

    ... real tapes or not. The compression on Tales is handled separately ... 'll see that has the compression but not the speedloader. I ... already had. Because of the compression, the main code squishes down ...
    Lee Tonks Lee Tonks October 2004 Games
  • New Turbo-Load version of Tales From A Parallel UniverseNot very interesting to most, but I know some of you still use 'real' Spectrums. While fiddling around with a program I created ages ago to build c…

    Turbo Imploder. I'll check it 0ut. Thanks again. I'm not sure if I had an MM3 tap, but I noticed a lot of other tap files you did similarly used a compression routine.

    Oh, & I recreated my speedload version of Sweevo anyway.
    darkman darkman October 2004 Games
  • New Turbo-Load version of Tales From A Parallel UniverseNot very interesting to most, but I know some of you still use 'real' Spectrums. While fiddling around with a program I created ages ago to build c…

    ... and then just restore the compression code by loading that file ...
    Lee Tonks Lee Tonks October 2004 Games
  • SpeedloadersSince I read Lee Tonks' post about the speedloaded version of MM3 he did, I've been playing around with various speedload routines I found on TTFn & …

    ... - 32768 to 65535, so without compression or data shifting the turbo ... it just all falls apart. Compression is obviously the answer. ;)
    Lee Tonks Lee Tonks October 2004 Sinclair Miscellaneous
  • spectrum again(for me)...after all this years!!!!Don?t know why but decided to try an emulator, i thought i was just pass some minuts and then let go.., but, i don?t know if its only nostalgia, what…

    ... at least, along with room compression.
    ekoman ekoman October 2004 Games
  • spectrum again(for me)...after all this years!!!!Don?t know why but decided to try an emulator, i thought i was just pass some minuts and then let go.., but, i don?t know if its only nostalgia, what…

    [quote]
    On 2004-10-20 00:44, ekoman wrote:
    working now at least, along with room compression.
    [/quote]

    You made the walls smaller?

    D.
    Dunny Dunny October 2004 Games
  • Interesting Custom LoadersHi everyone, I was just thinking about custom loaders on the spectrum and I thought I'd ask you all what you thought was the best one. I'd have to …

    ... they do real-time RLE compression - it detects a stream of ...
    Tom-Cat Tom-Cat October 2004 Sinclair Miscellaneous
  • Compressed Loading ScreensHi everybody From my speccy memories I could swear I could remember games with loading screens that took less than normal time to load. But up until…

    ... . I remember learning to code compression algorithms and I noticed that ... of input data before the compression actually begins.

    Of ...
    Erlstoned Erlstoned November 2004 Sinclair Miscellaneous
  • Compressed Loading ScreensHi everybody From my speccy memories I could swear I could remember games with loading screens that took less than normal time to load. But up until…

    ... 'Turbo Imploder' a general data compression program (i.e. you can ...
    Lee Tonks Lee Tonks November 2004 Sinclair Miscellaneous
  • Compressing SCREEN$Guys I'm trying to find an MC type-in routine for the 48K which compressed the screen (including attributes) into an area of memory and also restored…

    ... to be honest) and the compression seems pretty good.

    sack sack November 2004 Development
  • Reading the keyboardDoes anyone have a code sample to read the keyboard in machine code ?

    ... ; d = max 1 keypress
    xor a ; a = current key index ... ),a

    .skip
    xor a
    ld (count),a ... ; zero state AND count
    xor a
    ret

    Alcoholics Anonymous Alcoholics Anonymous November 2004 Development
  • Dixons - and the "death of the video"MIKE: Right. That's it. "Your video is now ready for use. Insert cassette, rewind to beginning of tape, and press play. Happy viewing!" VYVYAN: Ha h…

    ... movement wise as well as compression artifacts. The recorders are a ...
    b00mzi11a b00mzi11a November 2004 Sinclair Miscellaneous
  • Key Redefine RoutineAnyone written a nice key redefine code snippet?

    ...
    JR REDEF
    KEY_PR XOR %11111
    LD L,A ...
    LD A,H
    XOR 255
    CALL COUNN
    aprisobal aprisobal December 2004 Development
  • There's a bug in my Speccy, Dear Liza, Dear Liza...Hi guys, Just me being annoying again - Can anyone out there in 'Internetland' help me with ideas about what could be causing a bug in my Speccy em…

    ... gave up at the first XOR A instruction...

    Had ...
    Speculator Speculator December 2004 Development
  • Ministry Of Sound MP3 playerI've just bought the Ministry Of sound 128k MP3 WMA player Argos ?59.99. Wow its fantastic it got 5 stars in What Hi Fi Ive put 70 WMA's on it + it h…

    I'm getting a HD Mp3 WMA player next year as well to put my WMA's on but I thought the IPOD didn't play MP3's, doesnt the apple have its own compression. Fogartylee is the Nomad WMA compatible and can u store data from the PC on it?????.
    swordheart swordheart December 2004 Sinclair Miscellaneous
  • Ministry Of Sound MP3 playerI've just bought the Ministry Of sound 128k MP3 WMA player Argos ?59.99. Wow its fantastic it got 5 stars in What Hi Fi Ive put 70 WMA's on it + it h…

    ... the apple have its own compression. Fogartylee is the Nomad WMA ...
    Lee Fogarty Lee Fogarty December 2004 Sinclair Miscellaneous
  • Ministry Of Sound MP3 playerI've just bought the Ministry Of sound 128k MP3 WMA player Argos ?59.99. Wow its fantastic it got 5 stars in What Hi Fi Ive put 70 WMA's on it + it h…

    ... the apple have its own compression.
    [/quote]

    It ...
    gasman gasman December 2004 Sinclair Miscellaneous
  • Sid Spider on WOS.Can we take it that the inclusion of Sid Spider on WOS is official confirmation that it is no longer being developed? :( :( :(

    I used 'Def64X' as zip compression method for this update, which ...
    mheide mheide December 2004 Games
  • Sid Spider on WOS.Can we take it that the inclusion of Sid Spider on WOS is official confirmation that it is no longer being developed? :( :( :(

    ... /> I used 'Def64X' as zip compression method for this update[/quote ... to do with the maximum compression of 7-Zip, or of ... said to give much better compression than older .ZIP utilities (including ...
    robert@fm robert@fm January 2005 Games
  • new release of winTZXHi all I released winTZX 0.4drc1 (04/02/2005) + Added CSW file support + Added block selection (replay and save) + Added reverse output + Added direc…

    ... have been given standard gzip compression instead. Its more difficult to ...
    Fraser Fraser January 2005 Emulators
  • New release of EmuZWinEmuZWin Version 2.6 Release 1.0 Beta? ? (30-Jan-2005): A lot of changes. Most important are: [+] Formats supported: RZX, SLT. [+] Sound devices sup…

    ... load it and try.
    ??? (+) Compression (UCL and LZip) also are ...
    Vladimir Kladov Vladimir Kladov February 2005 Emulators
<1…13141516171819…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
xor 1.9K 4.8K
compression 1.8K 2.4K

Related Threads

  • Text compressionI'm sure I remember seeing a short machine code routine published in a (very random) multi-machine listings magazine way back in the mists of time, w…
  • A logic game "XOR"I am a student from Sebastopol (Ukraine), - that's why sometimes my posts may sound funny or or something like that...<br /> 8 years ago (whan I was …
  • XOR - dodgy magazine referenceThe magazine reference section for Logotron's XOR has a link to a Spanish(?) magazine 'MicroHobby Especial'. All well and good, but the magazine arti…
  • New compression method: Exomizer 2After I finished working on optimizing aPLib's decoder, I was told that pucrunch did compress better, and while looking for info about pucrunch (it t…
  • Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
  • Simple text compressionI just checked one idea about text compression. Do not take it as recomendation but rather as info which can you save some time when you are solving …
  • packers / crunchers and general compressionI'm just curious where I would find such things, coming from a c64 background also , there is shedloads.<br /> <br /> I mean the obvious things like …
  • AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…
  • 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.<br /> <b…
  • Vertical XOR filler.. anyone?Hi,<br /> <br /> I was just wondering whether a vertical filler using XOR has ever been used on Speccy demos/games and if yes when for the first time…

Related Searches

  • xor sprite
  • xor erase
  • xor and or
  • xor sprites
  • compression map
  • xor masked sprite erase
  • sprite xor and
  • masked xor
  • xor sprite mask
  • snapshot compression
  • text compression
  • graphic compression
  • compression
  • text compression pairs
  • xor c
  • xor c loop
  • ld a b xor c loop
  • nirvana xor
  • attributes xor
  • xor

Copyright © 2024 World of Spectrum