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  • Free sinclair SoftwareWhat is the name(s) of the free software given away with each spectrum? 16k, 48k, + ..etc

    ... my 48+

    Chequered Flag
    Planetoids
    Vu-3d ...
    Bluce_Ree Bluce_Ree February 2005 Games
  • Need help with my P flag!Not sure if I've emulated the P flag correctly when its comes to overflows. Here's what I've done: LD A,123 LD B,16 ADD A,B Twos Complement of 123 …

    ... are talking about P/V flag (tests PE/PO) but he ... was talking about S flag (tests P/M).
    [/quote ... talking about the P/V flag - the V (oVerflow) aspect of ... , to be precise. The sign flag is easy - it just picks ...
    Fikee Fikee February 2005 Development
  • Sinclair branded softwareI am very interested in the Sinclair branded range of software and plan on creating a website on this at some point in the future. First I need to d…

    ... - Cookie
    G31/S - Chequered Flag
    G32/S - Bubble Buster ...
    RichB RichB February 2005 Sinclair Miscellaneous
  • ADCI'm a little confused about how the Z80 manages the ADC instruction. I'm assuming two ADD instructions are performed (am I wrong?!) I can think of 3 …

    ... but how is the Overflow flag set?
    If overflow is ...
    Unique Unique February 2005 Development
  • Sinclair branded softwareI am very interested in the Sinclair branded range of software and plan on creating a website on this at some point in the future. First I need to d…

    ...
    G31/S 4030 Chequered Flag
    G32/S 4031 Bubble ...
    woodcock88 woodcock88 February 2005 Sinclair Miscellaneous
  • ADCI'm a little confused about how the Z80 manages the ADC instruction. I'm assuming two ADD instructions are performed (am I wrong?!) I can think of 3 …

    ... A7/B7) is the carry flag. If Cin for the least ... but how is the Overflow flag set?
    If overflow is ... ):(0)))!=s)
    set overflow flag;
    [/code]

    Maybe ... one operand. Save the carry flag and OR that with carry ...
    Alcoholics Anonymous Alcoholics Anonymous February 2005 Development
  • ADCI'm a little confused about how the Z80 manages the ADC instruction. I'm assuming two ADD instructions are performed (am I wrong?!) I can think of 3 …

    ... to produce errors (my overflow flag emulation has been corrected about ...
    Unique Unique February 2005 Development
  • ADCI'm a little confused about how the Z80 manages the ADC instruction. I'm assuming two ADD instructions are performed (am I wrong?!) I can think of 3 …

    ... was dodgy) for H flag if Operand=15 and Carry ... not detected. Flag H should be:
    Flag.H:=(Reg.A ... >$0F;

    Flag P also didn't like ... should have been:
    Flag.P:=(A and $80=Op ... $80);

    The Carry flag is ignored when comparing signs ...
    Unique Unique February 2005 Development
  • ADCI'm a little confused about how the Z80 manages the ADC instruction. I'm assuming two ADD instructions are performed (am I wrong?!) I can think of 3 …

    ... implementation with complete undocumented opcodes/flag operation. The only thing it ...
    Dunny Dunny February 2005 Development
  • (OT?) Windows colour cycling?Is it possible, in a Windows program, to get colour-cycling by the "proper" method?? That is, by changing the bitmap/window palette and having the sy…

    ... colour palette you have to flag certain colours as being reserved ...
    AndyC AndyC March 2005 Development
  • 1st Spectrum Game you ever played!I remember the very 1st spectrum game I ever played was Hunchback in my garage with a friend on a mini black and white TV in about 84... I was hooked…

    ... with it (also had Chequered Flag, Chess, Survival, Scrabble and Make ... while but eventually tried Chequered Flag and got hooked on racing ... - but all stemmed from Chequered Flag, Speed King 2, Pole Position ...
    enzo1701 enzo1701 March 2005 Games
  • 1st Spectrum Game you ever played!I remember the very 1st spectrum game I ever played was Hunchback in my garage with a friend on a mini black and white TV in about 84... I was hooked…

    ... , Jumping Jack, Pssst or Chequerred Flag... these were some of the ...
    de Vandemar Croup de Vandemar Croup March 2005 Games
  • TZX formatQuick question: What is the current pulse level at the start of a TZX file? Difficult question: Why does the format say that the final pulse shoul…

    ... the last bit of the parity byte. However the SA/LD ...
    Luca Luca March 2005 Development
  • Games Club Week 3Hi Everyone, another week another game This weeks game is Derek Brewster's 'Jasper' You will find the game here [url="http://www.worldofspectrum.org…

    ... not picking up the red flag means I can jump over ...
    Mikal Mikal March 2005 Games
  • evolution of Speccy gamesA thought hit me the other night when I was playing Rome - Total War! I remembered the classic Ancient Battles by CSS, myself and my cousin would si…

    ... when playing Chase HQ, Chequered Flag, Pole Position, etc.
    enzo1701 enzo1701 March 2005 Games
  • New Compo IdeaI've had this idea and would like to know what do you think about it. I think that most of us here know how to code in BASIC. The problem with Specc…

    ... pressed.
    Bit 7: Syntax flag.

    These will be ...
    na_th_an na_th_an April 2005 Development
  • Looking for rare TZX blocksBy rare I mean out of the hundreds of TZX I have non of the following blocks exist. I need to test my loading/handling/saving code. Are there any TZX…

    ... . However we can reserve a flag bit in future blocks to ...
    Luca Luca April 2005 Emulators
  • Preservation QuestionsHi, I went reminiscing of the past recently and found this site, and firstly can I say thank you VERY much, this is by far one of the best Spectrum s…

    ... I think, they have load "flag" "example" and "vu3d" on them ...
    David Bates David Bates April 2005 MIA/STP/SDP
  • Activision mailed me and I'm free to distribute...my diseases all over the world. Check your self for flakey bits now!

    ...
    CANNON FODDER
    CHECKERED FLAG
    CLUB DRIVE
    CRESCENT ...
    chaosmongers chaosmongers April 2005 Chit chat
  • plus3dos headersThe plus 3 manual states that bytes 15...22 contain +3 BASIC header data. Which on the whole seems to be true, however I've never seen bit 22 being a…

    ... and byte 2 is a flag byte. Are these present on ... . The ROM code saves the flag byte. Other code might not ...
    Philip Kendall Philip Kendall April 2005 Development
  • What Was YOUR First Speecy GameI Never owned a speccy, I never heard of it until i saw a peice on it in a book called "Supercade" by Van Burnham. When i first started playing via e…

    ... Horizons... or something like Chequered Flag, or the James Bond light ... Skiing, quickly followed by Chequered Flag. First game I bought was ...
    enzo1701 enzo1701 May 2005 Games
  • What Was YOUR First Speecy GameI Never owned a speccy, I never heard of it until i saw a peice on it in a book called "Supercade" by Van Burnham. When i first started playing via e…

    ... the machine (Flight Simulator, Chequered Flag, Survival, Make A Chip and ...
    The Starglider The Starglider May 2005 Games
  • Preservation QuestionsHi, I went reminiscing of the past recently and found this site, and firstly can I say thank you VERY much, this is by far one of the best Spectrum s…

    ... because they have the same flag in the name logo)
    David Bates David Bates May 2005 MIA/STP/SDP
  • Game endings..which are your best / worst ones?I'm not sure how valid this is on a spectrum site considering the memory capacity of the machine,but were there any games out there with any good gam…

    ... /> blown up and the white flag is waved. Just right.)
    jil jil May 2005 Games
  • What was the first game/program you wrote?Mine: ZX81 - a centipede clone with just one piece to shoot at - I called it Monopede :D Spectrum - a Basic game co-designed with a friend. I prog…

    ... program to draw the Indian flag (my dad's idea - him ...
    Arjun Arjun May 2005 Games
  • The BIGGEST Speccy ebay auction everdon't believe me? go looksy [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8176797909"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&i…

    ... Destroyer x2
    Sinclair - Chequred Flag x5
    Sinclair - Chess x3 ...
    usspeccyfan usspeccyfan May 2005 Sales
  • The BIGGEST Speccy ebay auction everdon't believe me? go looksy [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8176797909"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&i…

    ... Destroyer x2
    Sinclair - Chequred Flag x5
    Sinclair - Chess x3 ...
    Lee Fogarty Lee Fogarty May 2005 Sales
  • VU-3D Where are they now?Does anyone know where the programmers of VU-3D are now? Maybe there are some websites that talk about this. Thank you, Greg

    ... several Psion games - Backgammon, Chequered Flag and Match Point for example ...
    Ian Hamilton Ian Hamilton May 2005 Games
<1…15161718192021…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

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parity 143 226
flag 3K 4.8K

Related Threads

  • Outrun vs Chequered FlagIn the latest issue of Retro Gamer its stated that Out Run was the first racer to have undulating hills etc. I reckon Chequered flag was, however cra…
  • Need help with my P flag!Not sure if I've emulated the P flag correctly when its comes to overflows. Here's what I've done:<br /> <br /> LD A,123<br /> LD B,16<br /> ADD A,B<…
  • Tap file creation, parity error.Hi, I didn't know where to post this question so I've put it here :)<br /> <br /> I'm writing a program to convert an ascii file into a Spectrum .tap…
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  • Union flag on Sabre Wulf game boxLooking at this pic, I noticed that the Sabre Wulf box has a Union flag style sticker on it:<br /> <br /> [url]http://www.digitalarcade.co.uk/speccy/…
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