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<1234567…34>
  • How to rotate an imageI'm working on an idea for a game and to test it I want to draw some graphics on the screen which are made up of 8x8 pixel squares (single characters…

    ... part, if I want to rotate the image (in 90 degree ...
    Mr Millside Mr Millside January 2008 Development
  • printing a fixed number of decimal placesDoes anyone have a bit of code that will print a number with a fixed two decimal places? The example below should demonstrate the function, but the S…

    ... number with a fixed two decimal places? The example below should ... print two digits after the decimal point.

    [code]
    Battle Bunny Battle Bunny September 2010 Sinclair Basic
  • Converting a decimal number to binary...Hi Folks, Been thinking about ways to convert a decimal number to 8 bit binary and came up with the following: [CODE]100 REM ----------------------…

    ... about ways to convert a decimal number to 8 bit binary ...
    Paddy Coleman Paddy Coleman February 2011 Sinclair Basic
  • Decimal to Binary stringHi all, Anyone got a less labour intensive BASIC routine than this? Example:- take 170 and convert to a string "10101010" take 4 and convert to a s…

    ... /> # SUB - Binary string conversion, A=decimal input, s$ is the output ...
    IanJ IanJ August 2014 Sinclair Basic
  • How can I make a UDG rotate?I designed a set of UDG's that can be used for making shapes or letters. Trouble is that my circle - for example - consists of 4 pieces and it would…

    ... 's if I could simply rotate one 90 degrees. This is ... -screen option to select and rotate any selected piece.

    mik3d3nch mik3d3nch November 2017 Sinclair Basic
  • how do i make a character rotate in very small degrees?so i would take the letter a and rotate it degree by degree until it has gone round 360 degrees. only 8x8 pixels is necessary. machine code or basic …

    ... take the letter a and rotate it degree by degree until ...
    digital digital September 2019 Development
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ... 3210 (bit positions)
    ;
    ; Decimal number =
    ; 16*(7654) + 3210 ...
    ld bc,$0300 ; 3 decimal digits, c=0
    xor ... (7654)
    xor a ; bcd rotate left is bcd*10
    Alcoholics Anonymous Alcoholics Anonymous November 2003 Development
  • How to convert hex bytes to .. in assembly?I hadn't a clue what to put in the title so..., I have in memory 3 hex bytes #10 #34 #50, e.g.,[code][size=2]#6400 10 , 34 , 50 ; hex 25600 16 , 52 …

    ... ) that does BCD->decimal conversion on the web, ... to extract a nibble (one decimal digit).

    ... If two decimal digits are stored in BCD ... to convert that to the decimal value "A*10+B". ... 10/16=5/8=rotate right 3 places then multiply ...
    Alcoholics Anonymous Alcoholics Anonymous July 2008 Development
  • Rotating Register PairsWhat's the best way to rotate left (or right) a register pair, so that (eg.) FE76 becomes E76F (or 6FE7)? I presume that passing the intermediate bit…

    ... storing pairs of 3-digit (decimal) numbers in 3 bytes as ... Z80; all the shift and rotate commands just work on single ...
    Battle Bunny Battle Bunny October 2010 Development
  • Rotating Register PairsWhat's the best way to rotate left (or right) a register pair, so that (eg.) FE76 becomes E76F (or 6FE7)? I presume that passing the intermediate bit…

    ... storing pairs of 3-digit (decimal) numbers in 3 bytes as ... Z80; all the shift and rotate commands just work on single ...
    Dr BEEP Dr BEEP October 2010 Development
  • Fastest way to mirror a byte?I.E. turning 01100000 into 00000110, in assembly. I'm trying but I suck at stuff with rotation and the carry bit. Any pointers?

    ... (1's complement).
    DAA Decimal adjust accumulator.
    DEC m ... through operand m.
    RLA Rotate left accumulator through carry.
    RRCA Rotate right circular accumulator.
    RRD ...
    Ralf Ralf October 2011 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... pf_bits:
    sla e ; rotate all
    rl d ; ... br /> rl d ; rotate D' to set carry< ... ld a, '.' ; decimal
    inc b ; include decimal

    ... pf_dec_0s:
    rst print_a ; print decimal
    ld a, '0' ...
    chev chev October 2013 Development
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... register set
    rl c ; rotate BC'
    rl b ; left ... /> cp '\' ; test for octal to decimal pseudo-function
    jr z ... /> cp '~' ; text for hex to decimal pseudo-function
    jr nz ...
    chev chev October 2013 Development
  • Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…

    ... through the carry (9 bit rotate) just check what is left ... (not trimmed multiple leading zeroes) decimal value (always signed, but I ...
    Paradigm Shifter Paradigm Shifter September 2022 Development
  • Good Isometric 3D GamesHi My fave game of all time was Head Over Heels, which I have now completed thanks to emulation. I have also now done Batman and recently discovere…

    ... I hate games where you rotate left and right and then ...
    Craig Craig August 2001 Games
  • Quiz V - the revenge of D`n`C Ok, 50 quick fire questions.. some cryptic - you`ll have un unravel the clues to get the game name, while others are description of the game. Ther…

    Ok, 50 quick fire questions.. some cryptic - you`ll have un unravel the clues to get the game name, while others are description of the game.
    There are 63 points available this time.

    You can either email your completed answers (along ...
    MatGubbins MatGubbins May 2002 Games
  • A question about the game \"Hostages\"Hello. I've finally managed to get a copy of "Hostages" running on my emulator, but I get stuck on the first level/scene, where you have to place th…

    ... don't remember how you rotate between snipers and thus can ...
    Hugo Hugo June 2002 Games
  • Retro Games for Mobile Platforms: Uztek Games Brings Nodes of Yesod to the Pocket PCLockwood, Calif. -- Aug.26, 2003 -- Uztek Games today announced the imminent release of Nodes of Yesod for the Pocket PC -- the first of their retro …

    ... an easy guided installation, screen-rotate, and save game features.
    mheide mheide August 2003 Announcements
  • ANN: Uztek Games Releases Nodes of Yesod for Pocket PCFor Immediate Release: Uztek Games Releases Nodes of Yesod for Pocket PC Lockwood, Calif.?Sept 5, 2003?Uztek Games today announced the release of N…

    ... the original, such as screen rotate, save game, and a mute ...
    uztekgames uztekgames September 2003 Announcements
  • ANN: Nodes Of Yesod Pocket PC Free Download!Attention all WOS surfers: As a gesture of seasonal goodwill, we're making Nodes Of Yesod for Pocket PC available for free for a limited time! Node…

    ... ), has save game functionality, screen rotate portrait/left/right handed landscape ...
    uztekgames uztekgames November 2003 Announcements
  • AssemblageCan any of you marvellous programmers out there recommend a Speccy assembler that even a complete dunce could use? At the risk of sounding thick, as…

    ...

    Is actually (in decimal values)
    1,99,0 ...
    The Mighty Dopethrone The Mighty Dopethrone November 2003 Sinclair Miscellaneous
  • [NEW]: Spectaculator 6.0Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/+…

    ... be switched between hex and decimal.

    - Register values can ...
    Jon Needle Jon Needle December 2003 Emulators
  • Does anyone remember this? (**Not Spectrum Related**)When I was very young, I was given a present of a word game. It consisted of a dark blue cylinder and 16 rings with letters printed on them. You had …

    ... on them. You had to rotate the rings to make up ...
    Ian Hamilton Ian Hamilton June 2004 Sinclair Miscellaneous
  • Decimals, bcd etc in z80...Working bloody full-time on my Ragnar Revival game right now - just finished the basic sprite engine and before I go on coding the actual 3d engine (…

    ... how to store and display decimal numbers in Z80, such ... of more than one decimal place). By storing each ... display the value in decimal format on the screen ... to convert this into decimal places and display it ... nicely too (that is, decimal format) - the bcd format ...
    ekoman ekoman July 2004 Development
  • Help identifying a game!Hello, Ive recently been going through all my past gems thanks to this amazing site, but theres one game that has avoided me and I cant remember for …

    ... had a time limit to rotate the joystick left and right ...
    David Bates David Bates June 2005 Games
  • guys, you gotta help me...Calling all old-school spectrum players out there! I REALLY need your help! i need to track down ANY information on a game i used to own on the sepc…

    ... little ship that you could rotate and steer through various maze ...
    zxdisciple zxdisciple July 2005 Games
<1234567…34>

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Related Threads

  • How to rotate an imageI'm working on an idea for a game and to test it I want to draw some graphics on the screen which are made up of 8x8 pixel squares (single characters…
  • printing a fixed number of decimal placesDoes anyone have a bit of code that will print a number with a fixed two decimal places? The example below should demonstrate the function, but the S…
  • Converting a decimal number to binary...Hi Folks,<br /> <br /> Been thinking about ways to convert a decimal number to 8 bit binary and came up with the following:<br /> <br /> [CODE]100 RE…
  • help needed :) how to rotate a 3 x 3 array 90 degreesI just cant seem to get this sorted in my head ( or on paper ) , I've found multiple examples in C , python , etc but cant find any z80 examples any …
  • Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
  • Decimal to Binary stringHi all,<br /> <br /> Anyone got a less labour intensive BASIC routine than this?<br /> <br /> Example:-<br /> take 170 and convert to a string "10101…
  • How can I make a UDG rotate?I designed a set of UDG's that can be used for making shapes or letters. Trouble is that my circle - for example - consists of 4 pieces and it would…
  • how do i make a character rotate in very small degrees?so i would take the letter a and rotate it degree by degree until it has gone round 360 degrees. only 8x8 pixels is necessary. machine code or basic …
  • converting decimal into binaryso like the opposite of the bin function. in basic if possible. it only needs to be an 8 bit number. like a dec$ function?

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