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 0.127s
<1…15161718192021…34>
  • Seeing the code/In emulatorHello, Here is my Noob question. Is it possible to see the code for these games in an emulator? To be able to study the code? I am using the Sp…

    ... %[/quote]

    Windows has a zoom tool, use that.

    Each pixel is a byte of RAM.

    [quote ...
    Dunny Dunny December 2013 Sinclair Basic
  • Mine CraftWould a mine craft type game be possible on a zx spectrum. Ant Attack and more to the point Zombie Zombie are already good starts. Ant attack on a …

    AntAttack used a byte vertically for the blocks. One ... thats why there's only a certain max height. Off the ... wouldn't get much of a depth to the land scape ... remember one where you were a robot?
    cole cole December 2013 New game ideas
  • 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 …

    ... own head, then putting together a really good system where the ... tower could be represented by a byte.

    It worked fine ... . I did what you said, a back-to-front approach, so ...
    Farflame Farflame January 2014 Development
  • Calculating screen address to alternative ATTR area?I'm using this small snippet of code to convert a screen address to an attribute cell address... [CODE]AttrDE: ld a, d ; get the hig…

    ... 2 respectively), which can represent a number up to 3 ( ... />
    Now I have a question, should the and be ... mistakenly assume that it is a byte hence the confusion. I thought ... bit 0 of the high byte not bit 7 of the ... low byte.

    So AND ...
    Basher Basher January 2014 Development
  • 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…

    ... store the background as a series of 1-byte UDG identifiers. The ... be using INK black. A separate byte gives the designer that control ... clever, how about having a single byte that has 2 control bits ... in the draw list, POKE a byte that will simply be ORed ...
    joefish joefish January 2014 Brand new software
  • DIM DATA and the likeSo...I'm trying to work out arrays in BASIC a bit more and have knocked up the following quick test bed to fiddle about with before trying anything m…

    ... : Fiddle with the bits in a byte using boolean logic
    cp ... but still pretty nifty), write a primitive sprite routine and do ... />
    And then there are a few arithmetic instructions like add ... move the bits sideways in a byte. There aren't any multiply ...
    David Jones David Jones January 2014 Sinclair Basic
  • Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…

    ... , they've even provided a very fast, masked sprite ... library, with a tiled background, a library to handle keyboard ... there is even a multicolour library or a proportional font library ... data can you store in a byte, etc.

    Currently ...
    Timmy Timmy January 2014 Development
  • Outputting debug trace to RS232 (assembly)Hi Guys, I'm working on a game at the moment (written in assembly) but I am really needing to write out a debug trace of what is going on with the p…

    ... know this defeats the point a bit but someone must have ... RS232 line before and after a byte transmit (due to opposite idle ...
    BloodBaz BloodBaz January 2014 Development
  • 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 …

    ... can work on byte at a time demands, then ... LDI[/B] writes a single literal byte to output. Change ... state and simply return this byte instead.

    < ... state and return a single byte. Next invocation should ... still need to access a byte that was extracted " ...
    Einar Saukas Einar Saukas January 2014 Brand new software
  • 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 …

    ... may still need to access a byte that was extracted "up to ... used now -- by decompressing a block to a fixed address. Then decompress ... the random access stuff, with a lower compression ratio.
    < ... can leave the necessary 2176 byte buffer as an option. If ...
    Alcoholics Anonymous Alcoholics Anonymous January 2014 Brand new software
  • How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…

    ... ?

    Well its a lot more complicated than that ... to learn is to use a compiler that allows you ...

    To print a line to the top left ... br /> LD 16384,A

    255 is a byte with all 8 ... /> LD means load
    A is a register, part of the z80 ...
    slenkar slenkar February 2014 Development
  • Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…

    ... 8x8 would speed up multiplication a lot if one could ... for dividend < divisor for a quick exit. Both test multiplicands ... size of the operation by a byte at a time.

    ... overflow). The divisions will have a larger margin than that. Eventually ...
    Alcoholics Anonymous Alcoholics Anonymous February 2014 Development
  • Is Fred Harris the BBC Presenter DeadI've just remember Fred Harris who used to present on BBC, I wondered if he's dead. Yeah or Neah?

    flip a coin, heads and tails
    thx1138 thx1138 February 2014 Chit chat
  • Is ESXDOS flexible enough to incorporate e.g. Spectranet commands?I was just discussing the idea with someone about the wish some people have to be able to combine interfaces such as DivIDE (Plus) / DivMMC EnJOY! wi…

    ... lots and lots of one byte READs.
    I ... involve reading the whole 512 byte sector 5 times :lol: ... converting them to INTs a byte at a time would mean making ... reading the bytes to a buffer somewhere then going ... before copying them to a final destination.
    ...
    guesser guesser February 2014 Hardware
  • Is ESXDOS flexible enough to incorporate e.g. Spectranet commands?I was just discussing the idea with someone about the wish some people have to be able to combine interfaces such as DivIDE (Plus) / DivMMC EnJOY! wi…

    ... qualified read by reading one byte at a time from spectranet but ... , converting them to INTs a byte at a time would mean making 5 ... the top bits to identify a (512-byte) sector and see if ... allocate another one, read a 512 byte sector in and then satisfy ...
    Alcoholics Anonymous Alcoholics Anonymous February 2014 Hardware
  • LDI questionWhen using LDI (or LDD) is it possible to access the value that is transfered from (HL) to (DE), or does the Z80 use an internal data cache to store …

    ... flags in a strange way. At every
    iteration, a byte is copied ... . Take that byte and add the ... if you are looking for a certain byte?

    But as ... indicate if the byte is the same as A. It looks to ...
    Basher Basher March 2014 Development
  • PC to +3 communicationsHi I'm going to explore the abilities of my +3 to communicate with a PC. The "natural" ways to do that would be via serial or parallel link. I've b…

    ... communication (timings, grouping bits into a byte, those things) or everything ... are both just connected to a general purpose I/O ... only, and there is only a input bit (BUSY). Is ... ? Can I only get a bit from the outside?
    A -> pin 2 of ...
    guesser guesser March 2014 Hardware
  • Pentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…

    ... reads memory without generating a delay is as follows ... ULA" attempts reading a byte from raster and a byte from the attributes ... every t-state (one byte ... one read of a raster byte and one read ... of an attr byte per 4 t-states, ...
    introspec introspec March 2014 Emulators
  • Pac-Land: can be coloured?All versions of this game are full coloured, but not the Spectrum version. It has large sprites, but maybe the scroll is too fine to make a coloured …

    ... assumed it was just a matter of reading the ... eight pixels are packed into a byte. It means you often ... "flipped" version of the byte looks like and doing that ... know and I was possibly a bit grumpy. I just ... pretty sure Pacland was basically a quick port to the ...
    AndyC AndyC March 2014 Games
  • Pentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…

    ... "ULA" attempts reading a byte from raster and a byte from the attributes every ... t-state (one byte per ... be one read of a raster byte and one read of ... would keep information about which byte is actually currently stored ...
    Patrik Rak Patrik Rak March 2014 Emulators
  • Help with 1-bit sampled soundHi all, I've been sent over this way from the CPC Wiki forums as you guys may be able to help me more specifically with a programming query. Firstly…

    ... the spectrum scene has a high concentration of active ... 4-bit samples into a byte, the time to unpack ... chosen to use a whole byte to store a sample. If ... approximation to D/A conversion for a 1-bit speaker. ... waveforms when changing samples. A 50% sample might be ...
    Alcoholics Anonymous Alcoholics Anonymous March 2014 Development
  • Help with 1-bit sampled soundHi all, I've been sent over this way from the CPC Wiki forums as you guys may be able to help me more specifically with a programming query. Firstly…

    ... two 4-bit samples into a byte, the time to unpack that ... have chosen to use a whole byte to store a sample.[/QUOTE]
    byte into a pulse-density bitstream representing that ... 4 bits and combine with a high byte to get the table ...
    joefish joefish March 2014 Development
  • writing incrementally to tape without leadersI want to be able to write intermittently & incrementally to some sequential medium which is supported on any Spectrum (emulator, ie. tape); eg. [cod…

    ... to call some code with a byte, and have just that ... one byte output to tape, *and* ... emulators to output that byte to an emulated tape file ... if you're calling byte by byte you don't know ... Every 128 bytes it writes a 128 byte data block to tape ...
    Jonathan Harston Jonathan Harston March 2014 Development
  • Routine for handling large scores?[FONT=Calibri][SIZE=3]I want to store various numbers for scores and levels etc. Some of these can be very large so will need to be held in multiple …

    ... one byte per digit. It makes them a hell of a ... , working from the bottom byte up, and accounting for ... the additive score into a temporary buffer (which should ... you only set one byte to set a score, e.g. ... you might need is a byte-by-byte comparison that can tell ...
    joefish joefish March 2014 Development
  • Routine for handling large scores?[FONT=Calibri][SIZE=3]I want to store various numbers for scores and levels etc. Some of these can be very large so will need to be held in multiple …

    ... to increment numbers held in a byte array:[/FONT][/SIZE]
    ...
    add a, (hl)
    ld (hl), a
    cp ... DoDecTen
    ld (hl), a
    dec hl
    ...
    Mr Millside Mr Millside March 2014 Development
  • Routine for handling large scores?[FONT=Calibri][SIZE=3]I want to store various numbers for scores and levels etc. Some of these can be very large so will need to be held in multiple …

    ... as 3 bytes and write a bit of code that can ... else you might consider with a byte-per-digit system is, instead ... of adding or subtracting a number of the same length ...
    joefish joefish March 2014 Development
  • Multiply by 48Is there a 'cheat' to multiply by 48 in Z80? I have a table of sprites 48 bytes each entry, and I want to be able to offset my pointer with a simpl…

    ... ->192 which is still a byte)

    If you have ... l,a
    add a,a
    add a,l
    add a,a
    add a,a ...
    add a,a
    add a,a
    ld ...
    seedy1812 seedy1812 March 2014 Development
  • Multiply by 48Is there a 'cheat' to multiply by 48 in Z80? I have a table of sprites 48 bytes each entry, and I want to be able to offset my pointer with a simpl…

    ... the sprites at 256 byte boundaries and just add ... address in the hi-byte of the address pointer ... ->192 which is still a byte)[/QUOTE]

    ... counter cannot jump in 48 byte segments. (good idea still ... :

    Having a table of pointers to your ...
    Atari_Jetman Atari_Jetman March 2014 Development
  • FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…

    ... />
    Does anyone have a sample on the PC side ... that sends and receives a byte to and from fuse ... & test phase; while a sample on both sides (PC ... at least when using a printer without a large buffer.
    ... code is written in a way that assumes the ...
    zub zub March 2014 Development
  • FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…

    ... /ram/srecv115k.s"]Receive a byte at 115.200[/URL]< ... /ram/ssend115k.s"]Send a byte at 115.200[/URL]< ... waiting when reading or sending a byte at this speed. So ... , there's such a thing as a PTY (Pseudo TeleType!) ... emulators use to provide a virtual serial port. The ...
    tstih tstih March 2014 Development
<1…15161718192021…34>

Latest Posts

  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade 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
  • 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

HitBox

Word Docs Hits
flip 1.6K 2K
a 589.5K 1.7M
byte 7.3K 15.2K

Related Threads

  • A Spectrum, a couple of felt tip pens and a lot of free time on Sunday afternoons...In my opinion the best part of having a Spectrum was drawing a game map of the latest Ultimate game in the back page of my geography text book thereb…
  • I NEED A HAND FINDING A 3D CHESS GAME......WITH A HAND IN ITOk.Firstly - It's not one of the chess games in the archive with the word chess in the title.<br /> ##(Although - The ChessMaster2000 LOOKS very fami…
  • HELP!!! i need help turning a .wav files into a .tzx. im a new beginnerhi there. i hope anyone doesnt think im thick or owt but im having trouble in find the right program or the know how to convert all my 8bit mono .wav…
  • Free to a good home - Anyone in South Wales want a pile of Spectrum Games and a +3?Bit of an emergency - I'm moving out in a hurry and I don't have time to sell these!<br /> <br /> Is there anyone in South Wales who wants a fairly b…
  • A clever method of using a single 8-bit register to be used for two things at a timeI don't know if this is the way the SAVE routine in the Spectrum works. Anyway, this is what I've learned today.<br /> <br /> I've been commented the…
  • Sinclair QL: I'm searching for a Gold Card (or better a Super Gold Card) and a Super HermesIf someone here want to sell his Super Gold Card and Super Hemes I'm a big collector of QL stuff and I will pay very very well.<br /> <br /> Very tha…
  • Trying to find a magazine entry for a program I wrote as a child!Hi, <br /> <br /> Back when I was a child I wrote a program called "milkround" that we published in either your spectrum, your sinclair or sinclai…
  • im looking for a basic routine that adds a numerical character to a stringim looking for a basic routine that adds a numerical character to a string. so a=1, "1", then a=0 "10", then a=1 "101......" and so on
  • How to separate a character from a number in a string?Hi <br /> I've been writing a kind of logo type program in BASIC that takes a string a$ from INPUT and then draws according to what you give it. Say…
  • A TZX, a MIA and a previously unknown title from QLSThe Spanish website [url="http://trastero.speccy.org/"]El Trastero del Spectrum[/url] has a TZX of [url="http://www.worldofspectrum.org/infoseekid.cg…

Related Searches

  • byte scan
  • print a char in asm
  • divmmc 3 a
  • testing a microdrive
  • create a batch file screen
  • ebug byte
  • bug byte
  • change a letter
  • parity byte block
  • is there a system test for the spectrum
  • is there a system test tape for the spectrum
  • how to do a tzx file
  • how to create a tzx file
  • how to make a tzx file
  • composite screen goes yellow after a while
  • screen goes yellow after a while
  • validate input is a number
  • how to code a 256 byte aligned look up table
  • how to align a 256 byte look up table
  • align a 256 byte look up table

Copyright © 2024 World of Spectrum