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<1234567…34>
  • 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…

    ... ; error if so
    rrca ; rotate
    rrca ; into position
    defw pos_4 ; of character
    defw pos_5 ; rotation and ... :
    rst get_char ; get current character
    cp ',' ; comma?
    jp ...
    chev chev October 2013 Development
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ... UDG definition with any character using a call to ... sp1_TileEntry(). Each character also specifies a background colour ... They can be NR (no-rotate) type, meaning the engine does ... that change between updates, at character resolution, are redrawn. You ...
    Alcoholics Anonymous Alcoholics Anonymous November 2013 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…

    ... be less efficient. For each character position on screen, we would ... the central column of the character would have its own ... to be transparent. Then you character can walk over green grass ... four 8x2 regions of the character. You rotate the control bits out ...
    joefish joefish January 2014 Brand new software
  • Block RoutineHi Folks, I want to draw a block on the screen dependent on providing the X,Y,W,H values. I came up with the following: [CODE]100 LET l$=" …

    ... A ;reset Carry
    RRA ;rotate 3 lo-bits of y ... B,8 ;8 bytes per character
    a63061: PUSH BC
    Battle Bunny Battle Bunny July 2014 Sinclair Basic
  • Block RoutineHi Folks, I want to draw a block on the screen dependent on providing the X,Y,W,H values. I came up with the following: [CODE]100 LET l$=" …

    Here's a much neater version of my previous post. Using IX for addressing the parameters simplifies the assembler code. The original routine needed all its parameters to be correct beforehand, as it was only doing a check on y, whereas all of x, y, x+w, y+ ...
    Battle Bunny Battle Bunny July 2014 Sinclair Basic
  • Simple text scrolling routine...I'm having trouble writing a very simple text scroller, the idea is to use the ROM printer routine to print 32 characters each time the routine is ca…

    ... )
    rst $10 ;print next character
    inc de
    push ... a,(dat2) ;save the first character ..
    ld hl,dat2+1 ... ,datz-dat2-1
    ldir ;rotate the text
    ld (de ...
    Battle Bunny Battle Bunny September 2014 Development
  • Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…

    ... , then load the screen and character set.

    Note that ... the first box is one character cell and to change that ... /> Press 1 or 2 to rotate through the render options.
    jp jp November 2014 Announcements
  • What is the Sinclair ZX Spectrum Vega and what does it mean?Just stumbled upon this Indiegogo page following a tweet from SpeccyNews [url]https://www.indiegogo.com/projects/sinclair-zx-spectrum-vega[/url] it…

    ... -Pad to make your character jump. Maybe that could ... 4 view angles
    SYMBOL - Rotate
    SHIFT clockwise
    ... M - Rotate anti
    clockwise
    V ...
    Muig Muig December 2014 Sinclair Miscellaneous
  • What is the Sinclair ZX Spectrum Vega and what does it mean?Just stumbled upon this Indiegogo page following a tweet from SpeccyNews [url]https://www.indiegogo.com/projects/sinclair-zx-spectrum-vega[/url] it…

    ... -Pad to make your character jump. Maybe that could ... 4 view angles
    SYMBOL - Rotate
    SHIFT clockwise
    ... M - Rotate anti
    clockwise
    V ...
    paranoid marvin paranoid marvin December 2014 Sinclair Miscellaneous
  • I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…

    ... use the shoulder buttons to rotate the screen and instead, they ... the camera behind the main character in dungeons. I'd like ...
    Grunaki Grunaki December 2014 Chit chat
  • Edge Grinder, how would YOU do it?I always meant to post about this and AndyC reminded me in the 'vs' thread in games. [QUOTE=AndyC;808887]The thing I love about threads like this is…

    ... ),HL

    ; calculate the character address
    LD H,0 ... ,BC

    ; copy the character letter to the screen

    skipdel RLA ; rotate A one bit left
    MatGubbins MatGubbins December 2014 Development
  • Help for beginner with z80Hi chaps, I'm reasonably new with z80, but had a fair amount of experience with 68000, so decided to give a few things a go. One little thing I'm t…

    ... ),HL

    ; calculate the character address
    LD H,0 ... ,BC

    ; copy the character letter to the screen

    skipdel RLA ; rotate A one bit left
    MatGubbins MatGubbins February 2015 Development
  • Multiplying. Again.Is there a faster way of hl=a*32 than doing add hl,hl 6 times?<div><br></div><div>I get the feeling that working with 8 bit registers for most of it …

    ... myself up. When I write character codes to the back-screen ... the CharAde engine I pre-rotate them right by 3 bits ...
    joefish joefish June 2015 Development
  • 40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…

    ... PrintProCh ; print the character
    pop bc ... /> inc de ; next character
    jr PrintProL1 ... PPC2: srl a ; rotate a
    rr c ...
    Kiwi Kiwi September 2015 Development
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    ... 8, 2015 - Created initial 6502 character generation code
    ;**************************************************
    #define ... but
    ;* prints at a character position.
    ;**************************************************
    print_64:
    JamesD JamesD September 2015 Development
  • Mr. Jido makes some noiseA little something to analyse and discuss for you. [code] ORG 60000 ; RND Generator: RND LD HL,EARTH LD A,(WIND) ADD A,L LD …

    ... work.
    - should avoid any Rotate and Shift Instructions.

    Character in a few month or ...
    Andy Schraepel Andy Schraepel December 2015 Development
  • Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…

    ... terms, SP1 breaks sprites into character squares. When it's drawing ... screen the engine has to rotate the sprite right by 0 ...
    Alcoholics Anonymous Alcoholics Anonymous April 2016 Development
  • Shadow of the Beast review:New review at Spectrum Paradise, it's turn for the impressive Shadow of the Beast, an excellent game with nice and neat graphics, smooth animations a…

    ... easier by being able to rotate the pixels in the tiles ... engine which can mimic a character-mapped screen, but realistically it ...
    joefish joefish October 2016 Games
  • Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…

    ... in memory for your own character map, then use codes on ... . (Note that 'RRC x' means rotate-right-[u]circular[/u], which ... within intself. 'RR x' is rotate-right, assuming with the carry ...
    joefish joefish November 2017 Development
  • printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…

    ... completely, but in practice each character would clear part of the ... previous character (except for the special case ... on character boundaries).

    It should be possible to rotate an ...
    colonel32 colonel32 September 2018 Development
  • 'Mike's' moon lander in SpecBAShttps://youtu.be/1mjwLD6juB8 As modified and turned into a video by Dunny. I put my name in single quotes because it really is only thanks to Dunn…

    ... too.
    3. Any font character (or UDG) can be placed ... a pixel location instead of character locations. If you read the ... as a bonus you can rotate the graphic by any amount ... needle, using SIN/COS to rotate the vertices...
    6. As ...
    Dunny Dunny September 2019 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 …

    ... Trace the outline of the character. If you don't ... ")
    2. Upscale the character by a reasonable amount. Odd ... easier later.
    3. Rotate the character by the desired angle. ( ... scale rotate"
    4. Draw the character
    5. Downscale the character ...
    JianYang JianYang September 2019 Development
  • 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 …

    ... COS to draw the rotated character.
    Nothing really difficult, to ... honest.
    You need to rotate every pixel but everyone who ...
    Timmy Timmy September 2019 Development
  • 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 …

    ... was used in dizzy to rotate the character. although this wouldnt work ...
    digital digital September 2019 Development
  • 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 …

    [quote="digital;956647"]
    there used to be a routine that was used in dizzy to rotate the character.[/quote]
    Nope. In [i]Dizzy I[/i] through [i]III[/i], the rotations are made up of individually drawn frames. Pretty conventional.
    Ast_A_Moore Ast_A_Moore September 2019 Development
  • 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 …

    ... was used in dizzy to rotate the character.[/quote]
    Nope. In ... sprites had the ability to rotate a frame, but it wasn ...
    AndyC AndyC September 2019 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…

    ... CAPSLOCK EQU #02 ; caps lock character code

    MACRO ... ENDIF

    ; put character at current scr_out position and ... position
    ; C = character code to display
    putc ... carry flag
    rra ; rotate right including carry
    jr ...
    Paradigm Shifter Paradigm Shifter August 2022 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…

    ... ENDIF

    ; put character at current scr_out position and ... position
    ; C = character code to display
    putc ... carry flag
    rra ; rotate right including carry
    jr ...
    ; get the decoded character
    ld a, c
    Paradigm Shifter Paradigm Shifter September 2022 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…

    ... ENDIF

    ; put character at current scr_out position and ... position
    ; C = character code to display
    putc ... carry flag
    rra ; rotate right including carry
    jr ...
    ; get the decoded character
    ld a, c
    Paradigm Shifter Paradigm Shifter September 2022 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…

    ... font)

    ; String/character escape codes
    ; \' #27 ... to enter a \ character in a character or string literal, ... ENDIF

    ; put character at current scr_out position and ... carry flag
    rra ; rotate right including carry
    jr ...
    Paradigm Shifter Paradigm Shifter September 2022 Development
<1234567…34>

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