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<1…17181920212223…34>
  • Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…

    ... rocket science:

    LD BC,duration
    CALL 2D2B ; ROM ... routine to put value of BC on top of the calculator ...
    Philip Kendall Philip Kendall May 2005 Development
  • Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…

    ...
    org 50000
    LD BC,5
    CALL PUSH_BC
    LD BC,3
    CALL PUSH_BC
    AE.Vasconcelos AE.Vasconcelos May 2005 Development
  • saving to asmMy another question... I know I can save part of Spectrum memory to .bin file. However I would like to save it (or convert .bin file)into .txt file w…

    ... ]
    ORG 50000
    ld bc,6912
    ld de,16384 ...
    AE.Vasconcelos AE.Vasconcelos May 2005 Development
  • T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …

    ... br /> pop de
    pop bc ;38





    push bc
    push de
    push ... br />

    push bc
    push de
    push ... 6

    push bc
    push de
    ...
    Fikee Fikee May 2005 Development
  • Alphacom 32 printer with Spectrum +2Can the printer be made to work other than in 48 BASIC mode? When the +2 is in 128 BASIC, the printer won't seem to respond to LPRINT or LLIST. The…

    ... b,d 1
    inc bc 1
    ld d,(hl ...
    Dr BEEP Dr BEEP May 2005 Sinclair Miscellaneous
  • Capture Routine HelpData: ORG 32768 [ This Message was edited by: dalmudlee on 2005-08-10 01:57 ]

    ... ]
    ORG 32768
    LD BC,#0000
    LD DE,#FFFF ... /> JR NC,J2
    INC BC
    J3: DEC DE
    Metalbrain Metalbrain June 2005 Development
  • Hi-Score tableThe score in my game occupies 3 bytes. I want to create a hi-score but I'm not sure of the best way to work out where a new score would fit in the ta…

    ... DE,HL
    ADD HL,BC
    EX DE,HL
    Dr BEEP Dr BEEP June 2005 Development
  • Hi-Score tableThe score in my game occupies 3 bytes. I want to create a hi-score but I'm not sure of the best way to work out where a new score would fit in the ta…

    My first idea:

    The value of BC for LDDR might be calculated wrong!
    Dr BEEP Dr BEEP June 2005 Development
  • Hi-Score tableThe score in my game occupies 3 bytes. I want to create a hi-score but I'm not sure of the best way to work out where a new score would fit in the ta…

    ... :

    The value of BC for LDDR might be calculated ...
    Dr BEEP Dr BEEP June 2005 Development
  • Hi-Score tableThe score in my game occupies 3 bytes. I want to create a hi-score but I'm not sure of the best way to work out where a new score would fit in the ta…

    ... :

    The value of BC for LDDR might be calculated ...
    Dr BEEP Dr BEEP June 2005 Development
  • Hi-Score tableThe score in my game occupies 3 bytes. I want to create a hi-score but I'm not sure of the best way to work out where a new score would fit in the ta…

    ... =A008 and DE=A009 so BC ended up being FFFF (nice ...
    Mr Millside Mr Millside June 2005 Development
  • Controlling Sqij.I am trying to get this game to work but the bird doesn't want to move at all. According to the TXT file this should work : CONTROLS: Z - Left X - …

    ... me...how do you start BC Bill? I can't get ...
    Bermondsey Bob Bermondsey Bob July 2005 Games
  • worst game on the spectrumwhat in your opinion was the worse game on the spectrum ever. for me it would proberly be the game majik. i couldn't get very far with the puzzles …

    Me and my lil bro always thought Pedro was pretty rotten!

    Mind you, BC Bill was on the same Beau Jolly six-game-pack and that was ace.

    I think Alchemist and Zzoom were in there too, can't remember what else though.
    The Artificer The Artificer July 2005 Games
  • PRINT AT in assembler Hello everyone, I am very new to this forums. Like perhaps many others I had a Spectrum as a child and did pretty much simple BASIC programming, bu…

    Start with PRINT USR in stead of RANDOMIZE USR and you will print in upperscreen.

    On return you will however get the value of BC on the screen.

    You can avoid it with PRINT "" AND USR START
    Dr BEEP Dr BEEP July 2005 Development
  • PRINT AT in assembler Hello everyone, I am very new to this forums. Like perhaps many others I had a Spectrum as a child and did pretty much simple BASIC programming, bu…

    ... turned in to one LD bc,NN?

    (The x ...
    Rickard Rickard July 2005 Development
  • video problem with 128kHi. I bought a 128K (the one with the huge heat sink in the right side) some years ago. Everything seems to work properly except the screen. It doesn…

    ... junction voltages (i.e between BC and BE) for each one ...
    absorbentgnome absorbentgnome July 2005 Sinclair Miscellaneous
  • Spectrum IDE port addressesWith eight standard IDE ports to address and with the common access to information via the internet I would have thought that Spectrum IDE add-on har…

    ... INs and OUTs and preserve BC register.

    - Bits 5 ...
    baze baze July 2005 Development
  • Spectrum IDE port addressesWith eight standard IDE ports to address and with the common access to information via the internet I would have thought that Spectrum IDE add-on har…

    ... INs and OUTs and preserve BC register.

    - ZXCF and ...
    Jonathan Harston Jonathan Harston July 2005 Development
  • Spectrum IDE port addressesWith eight standard IDE ports to address and with the common access to information via the internet I would have thought that Spectrum IDE add-on har…

    ... more convenient not to waste BC register just for I/O ...
    baze baze July 2005 Development
  • Suggestion for EmulatorsHi, Could I make a suggestion as to a feature to be included in future emulator updates. Not so much an emulator feature, rather a feature of the b…

    ...

    ld bc, 10000
    .loop dec bc ; this is the ... /> ; loop

    label2 ld bc, 10000 ; another global label..
    .loop dec bc ; this is the 2nd loop ...
    Marko Marko July 2005 Emulators
  • 128 ramdisk loaderanyone got a program which will save the contents of ramdisk to tape in one go, rather than saving each file seperately then loading them and save!in…

    ... /> ld hl,banks
    ld bc,7FFDh
    loop:
    ld ... ),a
    ei
    push bc
    push hl
    ld ...
    inc hl
    pop bc
    jr loop

    John Elliott John Elliott July 2005 Sinclair Basic
  • Key press to ASCII valueI need a bit of code that will give me an ASCII value when the key is pressed. I only really need a-z. I tried using the following code but it only s…

    ... /> ; GetKey
    ;
    ; uses : af,bc,de,hl,af'
    ; exit ... .

    .SPGetKey
    ld bc,$fefe ; get ready to scan ...
    Alcoholics Anonymous Alcoholics Anonymous July 2005 Development
  • Programming MC challengeIn the 80-ies I got the following assignment for a programming course. 2 16-bit values stored in #8000 and #8002 must be added together and stored i…

    ... I only checked against LD BC,(xxxx), for which there's ...
    netraider netraider August 2005 Development
  • Programming MC challengeIn the 80-ies I got the following assignment for a programming course. 2 16-bit values stored in #8000 and #8002 must be added together and stored i…

    ... /> ld sp,#8000
    pop bc
    pop de
    ld ...
    AndyC AndyC August 2005 Development
  • Programming MC challengeIn the 80-ies I got the following assignment for a programming course. 2 16-bit values stored in #8000 and #8002 must be added together and stored i…

    ... /> ld sp,#8000
    pop bc
    pop de
    ld ... /> jr nc,.skip
    ld bc,0
    .skip
    push ... bc
    jp (hl)
    [/code]< ...
    AndyC AndyC August 2005 Development
  • FrameSyncIt was many many years ago since i programmed assembly on the spectrum but I just picked it up again for fun. Now this is one thing I can't remember…

    ... /> LD DE,49153
    LD BC,257
    LD (HL),193 ...
    dmsmith dmsmith August 2005 Development
  • Spectrum games based on comicsWhat games are based on comics? These are the ones I know so far: Asterix Batman (4 games) Superman (2 games) Dr Doom's Revenge Snoopy Garfield

    BC's Quest For Tires !!!
    Alessandro Tommasi Alessandro Tommasi August 2005 Games
  • Assembler Interest?Any interest in an assembler supporting ACS's UV? I've built an assembler that: supports UV's syntax. has more correct parsing. Microdrive based…

    ... 50000
    15 REM ld bc,10000
    17 REM ld ... evaluation, i.e. 50000, Label, bc,(ix+0) are all legal ...
    JHutcheson JHutcheson August 2005 Announcements
  • The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…

    ... ld b,d
    inc bc
    ld d,(hl)
    ret z ; on return BC=0
    defb #21
    ret z ; on return BC=0
    defb #21
    ret z ; on return BC=0
    defb #21
    Dr BEEP Dr BEEP August 2005 Development
  • ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…

    ... /> LD DE,16384
    LD BC,6912
    LDIR
    RET ...
    mulder mulder August 2005 Emulators
<1…17181920212223…34>

Latest Posts

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