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  • Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…

    ...
    jr nz,p_print2
    ;Rotate the Character Data Byte D ...
    Turkwel Turkwel June 2010 Development
  • Sprite RotatingI was looking (actually at Everyone's a Wally), and noticed that all the graphics for the main characters are left facing, and two characters wide. …

    ... much faster than using shift/rotate instructions.
    AndyC AndyC June 2010 Development
  • Sprite RotatingI was looking (actually at Everyone's a Wally), and noticed that all the graphics for the main characters are left facing, and two characters wide. …

    Oh, NOW I see what you mean.

    Of course. When you said use it as a lookup value, I didn't quite follow. Yes, I see - a table of numerical alternatives. The 4th value in the table is the mirror or rotate of "4".

    Got you.
    Gedlion Gedlion June 2010 Development
  • Sprite RotatingI was looking (actually at Everyone's a Wally), and noticed that all the graphics for the main characters are left facing, and two characters wide. …

    ... either, just the core Shift\Rotate equivalent, but if you don ...
    Turkwel Turkwel June 2010 Development
  • Sprite RotatingI was looking (actually at Everyone's a Wally), and noticed that all the graphics for the main characters are left facing, and two characters wide. …

    ... either, just the core Shift\Rotate equivalent, but if you don ...
    Fikee Fikee June 2010 Development
  • Your sinclair magazine All issuesYour sinclair magazine All issues here: [url]http://www.seedpeer.com/details/2776851/your-sinclair-all-issues.html[/url]

    its really hard work to convert to ocr ...
    Where in the cover page the "your sinclair" its not aligned(in the older issues), then all the pages rotate...
    landex landex June 2010 Sinclair Miscellaneous
  • Your sinclair magazine All issuesYour sinclair magazine All issues here: [url]http://www.seedpeer.com/details/2776851/your-sinclair-all-issues.html[/url]

    ... issues), then all the pages rotate...[/QUOTE]

    Yes - what ... YSRnRY (link in sig) was rotate sections of the page so ...
    NickH NickH June 2010 Sinclair Miscellaneous
  • Your sinclair magazine All issuesYour sinclair magazine All issues here: [url]http://www.seedpeer.com/details/2776851/your-sinclair-all-issues.html[/url]

    ... YSRnRY (link in sig) was rotate sections of the page so ...
    landex landex June 2010 Sinclair Miscellaneous
  • Die RollerOkay, technically it's in machine code - but it's all compiled in a basic compiler. (you know, the one that people keep telling us is impossible to …

    ... die graphic doesn't really rotate all that well..
    Gedlion Gedlion July 2010 Sinclair Basic
  • Optimize this assembly?Aiming for Variable*192 -> HL In the first case, I came up with the obvious method - *128 +*64: [code] ld a, (variable) ;13 ld h,0 ; 7 ld l,…

    ... power of two, I could rotate bits around with impunity, and ...
    ajmoss ajmoss August 2010 Development
  • Did the average Spectrum programmer really even try?I've been thinking about this recently, I'm always hearing Amstrad, and MSX users moaning about how unfair it was that they got "lazy Spectrum ports"…

    ... loop round like the 5 UDGs do.


    Level ...
    mulder mulder August 2010 Games
  • Knight Lore 128kHello everyone. The other day i got a VERY nice version of Knight Lore with hacked in AY music. This was not an ordinary hack like many others with …

    ... idea. Imagine being able to rotate the camera around to see ...
    Spector Spector August 2010 Games
  • Developing on Linux (Ubuntu 10.04)Ok, so I decided to install Ubuntu as my main OS, but keep XP as a bootable partition just in case I err mess up Ubuntu, :) I also have XP VM in Virt…

    ... and half-width fonts and UDGs. While working on my Spectrum ...
    chev chev August 2010 Development
  • +3 assembler questionI was wondering if anyone could give any suggestions as to how to get this bit of code working on the +2A/+3 in 128k mode. It works on the +128k/+2 i…

    ... and display the last two UDGs as tokens if it was ...
    chev chev August 2010 Sinclair Basic
  • BITWISE operators...Hi Folks, Another question - is there a way (fast) to do bitwise operations in Sinclair BASIC? Many thanks Paddy

    You might be able to implement XOR by writing UDGs using OVER 1, and then PEEKing the screen buffer.
    ajmoss ajmoss August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    Rotate right the contents of A. i.e bit 7 into bit 6, bit 6 into bit 5 and so on. The contents of bit 0 go into bit 7 AND the Carry flag.

    0 0 1 1 0 1 1 1 - Carry flag = ?

    becomes

    1 0 0 1 1 0 1 1 - Carry flag = 1
    rich_chandler rich_chandler August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... remember how the different shift/rotate instructions work. See the diagrams ...
    GReW GReW August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... mnemonics mean.

    Rotate logical, rotate circular, with carry, without carry ...
    Ralf Ralf August 2010 Sinclair Basic
  • Z80 RRCA instruction...Hi Folks, Well my exploration of Z80 MCODE continues apace! I am struggling to understand how the RRCA instruction works. The official Zilog manua…

    ... /> (R)otate or (S)hift - Rotate carries in, shift doesn't ... , (D)ecimal or blank for rotate

    However, there are ...
    Matt_B Matt_B August 2010 Sinclair Basic
  • 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…

    ... great to be able to rotate it like in Alien Breed ...
    VincentAC VincentAC August 2010 Chit chat
  • ZXDS 0.9.1 beta 1Hi! After way too much time, new [URL="http://zxds.raxoft.cz/"]ZXDS[/URL] version is available. Doesn't add much stunning features (although the dis…

    ... an option in ZXDS to rotate the D-Pad "virtual orientation ...
    Marcelo Marcelo August 2010 Emulators
  • ZXDS 0.9.1 beta 1Hi! After way too much time, new [URL="http://zxds.raxoft.cz/"]ZXDS[/URL] version is available. Doesn't add much stunning features (although the dis…

    ... an option in ZXDS to rotate the D-Pad "virtual orientation ...
    Patrik Rak Patrik Rak August 2010 Emulators
  • Games that stood out because of playabilityThey might have had horrendous blinking graphics and non existent sound but some games just [B]oozed [/B]gameplay. I would like to nominate a few ga…

    ... /> [B]Viking Raiders[/B]
    UDGs and slow screen-build, but ...
    Graz Graz August 2010 Games
  • Infoseek as a web serviceFollowing up from [URL="http://www.worldofspectrum.org/forums/showthread.php?t=30438"]this thread[/URL], what sort of abilities would emulator and ot…

    ... ?title=20charactersetfonts"]Utility: Fonts & UDGs[/URL] ('&')

    In ...
    mheide mheide August 2010 Sinclair Miscellaneous
  • SpecOS progressOk, As you can all see, I'm back - and I've been working away on SpecOS for a while now. There's a few videos, which you can see on my blog: [url]h…

    ... a string, a command to rotate everything... You'd be able ... a string, and then simply rotate the lot with a simple ...
    kgmcneil kgmcneil September 2010 Sinclair Miscellaneous
  • SpecOS progressOk, As you can all see, I'm back - and I've been working away on SpecOS for a while now. There's a few videos, which you can see on my blog: [url]h…

    ... a string, a command to rotate everything... You'd be able ... a string, and then simply rotate the lot with a simple ...
    Dunny Dunny September 2010 Sinclair Miscellaneous
  • ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…

    ... where you've stored your UDGs and do the same thing ...
    Turkwel Turkwel September 2010 Sinclair Miscellaneous
  • ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…

    ... Spectrum screen layout.

    UDGs are stored in RAM, and ...
    Turkwel Turkwel September 2010 Sinclair Miscellaneous
<1…22232425262728…34>

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