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Search Again :: Adv Search 1000 results in 0.204s
<1234567…34>
  • New version: APULIJA-13 V2.0Hello everyone! [i]Apulija-13,[/i] the game that Jonathan Caldwell himself listed among those better showing what you can do with AGD, is back - a…

    ... there is:

    ld bc,#FFFD
    ld a,254
    out (C),a

    and ... just a little bit further ... is:

    ld bc,#FFFD
    ld a,255
    out (C),a

    Cannot ...
    Hood Hood February 2018 Brand new software
  • Idk>le me browsing through some game's code >..... [code]61A8 F5 push af 61A9 3EFF ld a,FF 61AB D37F out (7F),a 61AD D33F ou…

    ... D37F out (7F),a
    61AD D33F out (3F),a
    61AF 3E3F ld a,3F ... ED57 ld a,i
    61DA 67 ld h,a
    61DB ED5F ld a,r ...
    6237 01FD7F ld bc,7FFD
    623A ED59 out (c),e
    623C ...
    Hikaru Hikaru June 2013 Development
  • Beeper octave range...A dumb question, I know, but I've found two conflicting sources of information on the octave range of the Sinclair beeper. I suppose I'm being a lit…

    ... /> ld bc,#7FFD
    ld a,8
    out (c),a
    ld bc,#07FE
    ld a,#1F
    out (#FD),a ...
    Woody Woody April 2008 Sinclair Miscellaneous
  • 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 out of range
    ld bc, ay_reg ; register port
    out (c), a ; write ... sound_2:
    ld bc, ay_128dat ; 128 data port
    out (c), a ; write value ... to port
    ld e, a ; store ...
    chev chev October 2013 Development
  • DEC BC/LD A,B/OR C/JP NZ,loopyesterday i saw nice trick:[code] dec bc ld a, b or c jp nz, loop can be replaced (bc starts >255, short jump) by: dec bc inc b djnz loop [/code] …

    yesterday i saw nice trick:[code]

    dec bc
    ld a, b
    or c
    jp nz, loop

    can be replaced (bc starts >255, short jump) by:

    dec bc
    inc b
    djnz loop
    [/code]
    ..nice
    Fikee Fikee February 2005 Development
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... DTR)
    ld a,00000000b ; Output
    out (c),a

    ld bc,65533
    ld a,14 ; ... AY I/O
    out (c),a

    ld a,127 ; Keyboard bail out
    in a,(254)
    and 1 ...
    ASM ASM October 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... DTR)
    ld a,00000000b ; Output
    out (c),a

    ld bc,65533
    ld a,14 ; ... AY I/O
    out (c),a

    ld a,127 ; Keyboard bail out
    in a,(254)
    and 1 ...
    ASM ASM October 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... /> dl57600 ld bc,65533
    ld a,7 ; Mixer
    out (c),a
    ld bc,49149
    xor a,a ; Input ... -1
    ld a,e
    exx
    out (254),a
    ld de,8 ; 39 ... (sync)

    bit in a,(c) ; 12 ...
    ASM ASM October 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... ld bc,65533
    ld a,7 ; Mixer
    out (c),a

    exx
    ld bc,49149
    ld a ... ; Length -1
    ld a,e
    out (254),a
    or a,d
    exx ... ; 58

    ld de ...
    ASM ASM October 2010 Hardware
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... out (254),a

    space ld a,127 ; Key?
    in a,(254)
    and a,1 ...
    ld bc,65533
    ld a,7 ; Mixer
    out (c),a
    exx

    ld bc,49149 ...
    ASM ASM November 2010 Hardware
  • sound effect code causing crash[FONT=Courier New]I have just written this piece of code to produce a lazer sound effect but for some reason it is causing a crash and I can't figure…

    ... /> LD BC,65533: LD A,1: OUT (C),A
    LD BC,49149: LD A,0: OUT (C),A
    LD BC,65533: LD A,0: OUT (C),A
    …
    dmsmith dmsmith July 2007 Development
  • converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …

    ... 's getting better, just needs a magical sound chip... I wonder ... in 0-16383 (or just a routine there to bank in ... /> 49009 LD BC,65533
    49012 OUT (C),A
    49014 LD B,191
    49016 OUT (C),H ...
    Jmk Jmk September 2010 Games
  • Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…

    ... DTR)
    ld a,00000000b ; Output
    out (c),a

    ld bc,65533
    ld a,14 ; AY ... I/O
    out (c),a
    ASM ASM October 2010 Hardware
  • New tool: ZXBOOT.EXE[B]ASM[/B] is proud to present the first release of ZXBOOT.EXE: [url]http://www.4shared.com/file/NP-FVOSf/zxboot__beta_.html[/url] ZXBOOT is a comma…

    ... /> ld bc,01FFDh ; Page 4 5 6 3
    ld a,00000101b
    out (c),a
    ld ... b,07Fh ; Disable paging
    ld a,00100000b
    out (c),a ... />
    db 223
    db 254
    db 13

    ASM ASM November 2010 Announcements
  • Gigascreen - programming guideDoes anyone know of a programming guide for the 128K gigascreen screen mode, specifically a persistence colours table, some code (pref. C level or BA…

    ... /> LD A,0 ;A = 0
    LD BC,254 ;BC = 254. I know OUT only says C, but it uses BC ... .
    OUT (C),A ;OUT 254 ...
    joefish joefish February 2011 Development
  • First new game of 2013: Apulija-13[center]Corporal Jonlan is on a dangerous mission. Under a false identity, he must gain access to an Omni Corporation base, steal the plans for some…

    ... ld bc,65533
    ld a,0
    out (c),a
    ld b,191
    ld a,64
    out (c),a
    ld ...
    SoftLight SoftLight January 2013 Brand new software
  • Tile routinesHi all, Please does anyone have any examples of tile routines in pure asm to set up maptile screens. I would like to try and understand them and ti…

    ... printing which reads jump out of range on line ... of tile
    ld bc,(tile_x)
    inc c
    call ... a
    sra a
    sra a
    add a,88
    ld h,a
    ld a ... defb 0,254,254,254,254,254,254,0, 2
    defb 0,254,254,
    alienbanana alienbanana March 2014 Development
  • Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…

    ... /> outAYloop PUSH BC
    outAY LD BC,65533
    OUT (C),D
    LD BC,49149
    OUT (C),A
    MatGubbins MatGubbins October 2014 Development
  • Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…

    ... /> LD A,3

    Pulser
    Ponloop LD BC,65533
    LD D,(HL)
    OUT (C ... ),D
    LD BC,49149
    MatGubbins MatGubbins October 2014 Development
  • Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…

    ... Ponloop LD BC,65533
    LD D,(HL)
    OUT (C),D
    LD BC,49149< ... LD BC,65533
    LD D,12
    OUT (C),D ;
    LD BC,49149
    OUT (C),A< ...
    MatGubbins MatGubbins October 2014 Development
  • Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…

    ... /> pulsevolloop PUSH BC
    LD BC,65533
    OUT (C),D ;
    LD BC,49149
    OUT (C),A ; set volume ...
    MatGubbins MatGubbins October 2014 Development
  • Making noises with the AYHow do you go about making noises from the AY chip in machine code? I'm wanting to make a pulsating humming noise that increases in volume as you ge…

    ... /> pulsevolloop PUSH BC
    LD BC,65533
    OUT (C),D ;
    LD BC,49149
    OUT (C),A ; set volume ...
    MatGubbins MatGubbins October 2014 Development
<1234567…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

Word Docs Hits
ld 6.3K 67.3K
bc 3.6K 14K
65533 70 181
a 589.5K 1.7M
254 953 2.2K
out 128K 166.7K
c 20.3K 48.8K

Related Threads

  • DEC BC/LD A,B/OR C/JP NZ,loopyesterday i saw nice trick:[code]<br /> <br /> dec bc<br /> ld a, b<br /> or c<br /> jp nz, loop<br /> <br /> can be replaced (bc starts &gt;255, sho…
  • A Spectrum, a couple of felt tip pens and a lot of free time on Sunday afternoons...In my opinion the best part of having a Spectrum was drawing a game map of the latest Ultimate game in the back page of my geography text book thereb…
  • I NEED A HAND FINDING A 3D CHESS GAME......WITH A HAND IN ITOk.Firstly - It's not one of the chess games in the archive with the word chess in the title.<br /> ##(Although - The ChessMaster2000 LOOKS very fami…
  • HELP!!! i need help turning a .wav files into a .tzx. im a new beginnerhi there. i hope anyone doesnt think im thick or owt but im having trouble in find the right program or the know how to convert all my 8bit mono .wav…
  • Arrays in C and C++ from a Java Programmer.I have been looking arround the web and found many conflicting answers to this question so I thaught I'd ask you folkes.<br /> <br /> What is the C a…
  • Free to a good home - Anyone in South Wales want a pile of Spectrum Games and a +3?Bit of an emergency - I'm moving out in a hurry and I don't have time to sell these!<br /> <br /> Is there anyone in South Wales who wants a fairly b…
  • PoC for a ULA video generator described using Handel-C and a Basys FPGA board.Recently, I've taken a course about hardware design for video processing using FPGA's. The HDL used in the course was Handel-C, a C look alike langua…
  • A clever method of using a single 8-bit register to be used for two things at a timeI don't know if this is the way the SAVE routine in the Spectrum works. Anyway, this is what I've learned today.<br /> <br /> I've been commented the…
  • Sinclair QL: I'm searching for a Gold Card (or better a Super Gold Card) and a Super HermesIf someone here want to sell his Super Gold Card and Super Hemes I'm a big collector of QL stuff and I will pay very very well.<br /> <br /> Very tha…
  • Trying to find a magazine entry for a program I wrote as a child!Hi, <br /> <br /> Back when I was a child I wrote a program called "milkround" that we published in either your spectrum, your sinclair or sinclai…

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