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<1…12131415161718…34>
  • Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…

    ... /8
    ;
    sprite16x16caOR:
    ; zero A
    xor a
    adc h ; A = H + carry flag
    ld h, a ; write ... onto screen
    sprite16x16caXOR:
    ; zero A
    xor a
    adc h ; A = H + carry flag
    ld h, a ; write ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…

    ... h ; A = H + carry flag
    ld h, a ; write ...

    drawline_horz_left:
    ; zero A
    xor a
    flag
    ld h, a ; write ... h ; A = H + carry flag
    ld h, a ; write ... h ; A = H + carry flag
    ld h, a ; write ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…

    ... /> ;
    sprite8x8caAlwaysLookupRow:
    ; zero A
    xor a
    flag
    ld h, a ; ... h ; A = H + carry flag
    ld h, a ; ... br /> sprite16x16caXOR:
    ; zero A
    xor a< ... h ; A = H + carry flag
    ld h, a ; ...
    Paradigm Shifter Paradigm Shifter July 2022 Development
  • Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…

    ... h ; A = H + carry flag
    ld h, a ; write ...

    drawline_horz_left:
    ; zero A
    xor a
    flag
    ld h, a ; write ... h ; A = H + carry flag
    ld h, a ; write ... h ; A = H + carry flag
    ld h, a ; write ...
    Paradigm Shifter Paradigm Shifter July 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…

    ... /> inc a ; clear z flag
    ret
    .somethingpressed ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ld ... /> or a ; clear carry flag
    rra ; rotate right ... case we return with Z flag clear
    neg ; ...
    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…

    ... /> inc a ; clear z flag
    ret
    .somethingpressed ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ld ... /> or a ; clear carry flag
    rra ; rotate right ... case we return with Z flag clear
    neg ; ...
    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…

    ... /> inc a ; clear z flag
    ret
    .somethingpressed ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ld ... /> or a ; clear carry flag
    rra ; rotate right ... case we return with Z flag clear
    neg ; ...
    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…

    ... /> inc a ; clear z flag
    ret
    . ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ... or a ; clear carry flag
    rra ; rotate right ... br /> or a ; clear carry flag
    ret

    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…

    ... /> inc a ; clear z flag
    ret
    .somethingpressed ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ld ... /> or a ; clear carry flag
    rra ; rotate right ... case we return with Z flag clear
    neg ; ...
    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…

    ... /> inc a ; clear z flag
    ret
    .somethingpressed ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ld ... /> or a ; clear carry flag
    rra ; rotate right ... case we return with Z flag clear
    neg ; ...
    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…

    ... /> inc a ; clear z flag
    ret
    .somethingpressed ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ... or a ; clear carry flag
    rra ; rotate right ... or a ; ret with carry flag clear
    ret
    ...
    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…

    ... /> jr z, .errortoofewargs
    ; carry flag clear here
    ret
    SYM_TBL_ENTRY "zero?", iszero, 0
    SYM_TBL_ENTRY "bool ...
    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…

    ... /> inc a ; clear z flag
    ret
    .somethingpressed ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ld ... /> or a ; clear carry flag
    rra ; rotate right ... case we return with Z flag clear
    neg ; ...
    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…

    ... /> inc a ; clear z flag
    ret
    .somethingpressed ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ld ... /> or a ; clear carry flag
    rra ; rotate right ... case we return with Z flag clear
    neg ; ...
    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…

    ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ; carry flag clear here, since jumped to ... .errortoofewargs
    ; carry flag clear here
    ret
    flag clear
    ret
    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…

    ... .only1halflinepressed
    xor a ; zero A
    .shiftand1otherlinepressed
    ; carry flag clear here, since jumped to ... .errortoofewargs
    ; carry flag clear here
    ret
    flag clear
    ret
    Paradigm Shifter Paradigm Shifter September 2022 Development
  • A picture of me and my Spectrum circa 1984 8o)<a href="http://www.fotango.com/p/eba00132841f00000010.jpg From" target="_blank">[url]http://www.fotango.com/p/eba00132841f00000010.jpg[/url] From<…

    ... are;
    booty
    chequered flag
    *?????*
    dallas
    fighter ...
    thx1138 thx1138 December 2001 Games
  • Sports games for sale Anyone interested in sport on the Spectrum will probably find something of interest here. Original games available as follows:- Match Day II …

    ... Class Leader Board
    Chequered Flag Grand Prix
    2 Player ...
    Mike Jeanes Mike Jeanes November 2001 Games
  • What was the first thing you did with your spectrum?This is like an addition to Stuarts topic what made you buy your spectrum,,,,ok what i want to know from you lot is when you got your speccy home,or …

    ... the program to draw a flag and marvelled at them gorgeous ...
    Andy Gurr Andy Gurr August 2001 Games
  • Assembler code from tutorial, problem!I was wondering if anyone could help me decipher this z80 assembler code? ORG 60000 LOAD 60000 EA60 21BCEA LD …

    ... (HL),80H ;reset digit to zero
    EA6E 23 INC HL ...
    Duxbuz Duxbuz August 2001 Sinclair Miscellaneous
  • Original Spectrum SoftwareHello, I have a box of original Sinclair Spectrum software, mostly on cassette. I'd be interested in selling the stuff; I'm open to offers. …

    ... ??k Spectrum 1984
    Chequered Flag 48k Spectrum 1983
    Chess ...
    scott scott November 2001 Sales
  • Speccy Games for SaleI have the following Spectrum games for sale, all in original boxes, with original instructions: Elite (inc. Lenslok), Knight Lore, Alien 8, The Dam…

    ... 2, Formula 1 Simulator,Chequered Flag, 1985 The Day After, Spy ...
    Graeme Graeme May 2001 Sales
  • Blitz ZX81This game has had many incarnations. City Bomber, Ground Force Zero to name but a few. Is Blitz for the ZX 81 the original version of this game or …

    This game has had many incarnations. City Bomber, Ground Force Zero to name but a few.

    Is Blitz for the ZX 81 the original version of this game or is there another version before that?
    GeeKay GeeKay April 2002 Games
  • Magzine valuesCould any1 give me an idea of an old '80s computer magazine value? I've seen on ebay the prices going for old Crash magazines, and although the one …

    ... Issue 0 (that's right Zero). It is a dummy issue ...
    Vampyre Vampyre June 2002 Sinclair Miscellaneous
  • Randomize USR xxxxxA weird topic: When I was a kid I use to mess around with the RANDOMIZE USR xxxxx, sad I know!!! For instance RANDOMIZE USR 51234 would give me a loa…

    ... protection screen i.e a zero as your first line and ...
    Anonymous Anonymous June 2002 Sinclair Miscellaneous
  • Machine CodeOk i had a spectrum when i was younger and only used it for playin games and typing simple BASIC programs - i mean really simple! Things like 10 Pri…

    ... it was a line 0 (zero) - how did they do that ...
    alexsut alexsut July 2002 Sinclair Miscellaneous
  • The Quiz to end all quizzesHere it is - The Quiz To End All Quizzes. You will have a whole [B]month[/b) to answer the questions presented here. 1. All answers give 1 point un…

    ... if his karma points reaches zero?

    40. In which ...
    Alessandro Grussu Alessandro Grussu July 2002 Games
  • Music on Tour de Force (Gremlin)Has this game really a music somewhere ? Perhaps the 48K bzz-bzz at the beginning of any level and/or for game over is considered "music" ? The WOS …

    ... WOS archive has the "128" flag for this game, but I ...
    secarica secarica August 2002 Games
  • loads of Spectrum games for saleHi. I've got a load of Spectrum games for sale. I've recently moved from the UK to the US and have all my old software that I can no longer use so I'…

    ... .

    thanks

    Flag
    Dumbflag Dumbflag August 2002 Sales
<1…12131415161718…34>

Latest Posts

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