World of Spectrum
  • Categories
  • Discussions
  • FAQ
  • Sign In
Home › Search
Title Search
@title beer Word 'beer' in title
User Search
  • @user admin Only posts by Admin
Text Search
  • @body beer Word 'beer' in the text
Phrase Search
"Hello World" Exact phrase match
Exclude Terms
  • car -red Search cars that are not red
"Or" Searches
  • honda | bmw 'honda' or 'bmw' results
Multi-Field
@(title,body) hello Both contain 'hello'
WildCard
  • hond* civ* Match all with an astrix
Combination
  • @title bmw @user admin
See more supported syntax examples
Search Again :: Adv Search 1000 results in 0.004s
<1…16171819202122…34>
  • IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…

    ... to 0056 in ROM
    jp 56 ;for smooth return to ...

    ORG 0FDFDH
    JP MainLoop

    END
    robpearmain robpearmain August 2004 Development
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    ... a
    cp -1
    jp z,dosomething
    [/code]
    [code]
    dec a
    jp c,dosomething
    [/code]
    AndyC AndyC September 2004 Development
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    [code]
    dec a
    jp c,dosomething
    [/code]




    [/quote]


    DEC A
    won't give a carry, only Zero flag.
    Dr BEEP Dr BEEP September 2004 Development
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    ... /> [code]
    dec a
    jp m,dosomething
    [/code]
    AndyC AndyC September 2004 Development
  • I need ASM for random numberI need to generate a random pair of coardinates in asm so that x=random no between 0 and 31, y=random no between 0 and 23. Any ideas on how to code …

    Hi,

    You could use this one if someone founds out why it returns with a Integer Out of Range error. :(

    [code]

    ORG 32768
    LD HL, (23672)
    LD (_RANDOM_SEED), HL ; Initialize the seed for random ...
    horace horace September 2004 Development
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ... LD (COUNT),A
    JP NZ,go2



    JP MAIN

    RET
    CP 0
    JP Z,INTEND

    ORG 0FDFDH
    JP MAINLOOP


    robpearmain robpearmain September 2004 Development
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ...
    LD (COUNT),A
    JP NZ,go2
    [/code]
    Alcoholics Anonymous Alcoholics Anonymous September 2004 Development
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ... br />


    JP MAIN

    RET
    CP 0
    JP Z,INTEND


    JP NZ,goa

    ... />
    ORG 0FDFDH
    JP MAINLOOP


    ...
    robpearmain robpearmain September 2004 Development
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ... LD (OKTOFLIP),A
    JP MAIN

    RET ... )
    CP 0
    JP Z,INTEND


    JP NZ,goa

    ... />
    ORG 0FDFDH
    JP MAINLOOP


    ...
    robpearmain robpearmain September 2004 Development
  • Smooth Screen ScrollingHi Everyone, Any suggestions on what is the best way to do horizontal scrolling ie. in Zynaps fashion. I am working on a routine at the moment, whi…

    ... ; merge with low byte.
    jp nz,scrol0 ; repeat until both ...
    jonathan jonathan September 2004 Development
  • flying sharkHi, I'm looking for a tap or disked version of Taito's Flying shark, the original loader is a protected bleepload and I'm not very good in asm hackin…

    ... . It did various flavours of Speedlock too.

    But I ...
    Lee Tonks Lee Tonks September 2004 Games
  • flying sharkHi, I'm looking for a tap or disked version of Taito's Flying shark, the original loader is a protected bleepload and I'm not very good in asm hackin…

    ... . It did various flavours of Speedlock too.

    But I ... it? I know that did Speedlock, but I can't remember ...
    darkman darkman September 2004 Games
  • the happiest days of your life-pt2hello,again i have come up with 2 solutions to the problem of solving this game:- 1.the more people that try to solve this game (by combining diffe…

    ... /> #DB52 CP #35 ;
    #DB54 JP C, #DE4C ;
    #DB57 CP ... no jumps are
    #DB59 JP C, #DC1E ; made and program ... /> #DB5C CP #66 ;
    #DB5E JP NC, #DC1E ;
    #DB61 LD ... already performed this
    #DB68 JP NZ, #DC1E ; task and exit ...
    Mr. Anonymous Mr. Anonymous September 2004 Games
  • TZXs speed loadingIs it possible to write a program that will play back tzx files at double speed, the way that TAPER can play back z80 files at 3000 baud? The Z802TZX…

    ... ROM loader, had custom (usually speedlock) loading routines. Once you'd ...
    Dunny Dunny September 2004 Sinclair Miscellaneous
  • Can Anyone explain sprites in Jet Pac/Atic Atac etcJet Pac was 16k, and yet the sprites were impressively fast. I notice they had a slight flicker at times, but were notmally pretty flicker free. W…

    ... br />
    halt

    jp lp4



    and 7
    jp nz, draw_wide_attr

    and 7
    jp z, done_draw_attr
    ld ... /> ld (hl),a
    jp done_draw_attr

    draw_wide_attr ...
    robpearmain robpearmain October 2004 Development
  • Loading games via CD on a real SpectrumWhen I went to the Back In Time Live show in Brighton last year and at this years Retro Gamer expo in London I was fascinated to see this guy using a…

    ... to be able to get Speedlock games to work.

    WhizzBang WhizzBang October 2004 Games
  • Loading games via CD on a real SpectrumWhen I went to the Back In Time Live show in Brighton last year and at this years Retro Gamer expo in London I was fascinated to see this guy using a…

    ... can convert a lot of Speedlock 1 games to normal speed ...
    darkman darkman October 2004 Games
  • SpeedloadersSince I read Lee Tonks' post about the speedloaded version of MM3 he did, I've been playing around with various speedload routines I found on TTFn & …

    ... it, some speedloaders - such as Speedlock 1 - load in as part ...
    darkman darkman October 2004 Sinclair Miscellaneous
  • Savage 3Very popular game Savage (part 3 ) have some firm bug. You score always zero. I find mistake in the code and fixed it. !!!

    ... A LD A,(58114)
    JP Z,54932 ;hl=????? OR A ...
    DEC A JP Z,54932
    (58114),A ...
    g00db0y g00db0y October 2004 Games
  • Reading the keyboardDoes anyone have a code sample to read the keyboard in machine code ?

    ... ; is this key pressed?
    jp c, nopress
    or a ... index
    dec l
    jp nz, keyrowloop

    .nextscanrow ... the next key row
    jp c, scanloop

    inc ...
    Alcoholics Anonymous Alcoholics Anonymous November 2004 Development
  • Programming Sound EffectsHi guys, Have decided, probably due in some way to my midlife crisis, to tart up and re-release (or even just re-lease) the old 48K Speccy games I w…

    ... , d
    or e
    jp nz, s2

    ld ...
    ld d, h
    jp s3 ;timing (*)
    s3 rlc ...
    or e
    jp nz, s3
    jp s1 ;(*)
    [/code ...
    Fikee Fikee November 2004 Development
  • Bomberman ClonesHas anyone or any company tried to make a Bomberman clone for the Speccy? A European company had made a Bomberman clone for the Amstrad CPC called M…

    ... [url="http://www.hudson.co.jp"]Hudson's web site[/url ...
    robert@fm robert@fm November 2004 Games
  • Z80 register decoding document error?Hi, I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). [url="http://www.z80.info/decoding.htm…

    ... is suppose to decode to JP (HL), but according to your ... algorithm it decodes to JP HL. If I force it ... to be JP (HL) how does this effect ... out to be JP (IX+d) instead of JP (IX) (what it ...
    vreddy vreddy December 2004 Development
  • Z80 register decoding document error?Hi, I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). [url="http://www.z80.info/decoding.htm…

    ... suppose to decode to JP (HL), but according ... algorithm it decodes to JP HL. If I force ... br /> Instructions of the form "JP (*)", where * is anything you ... Z80 instruction set. The "JP (HL)" notation is an ... using the correct notation, JP HL, which corresponds to ...
    GOC GOC December 2004 Development
  • Z80 register decoding document error?Hi, I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). [url="http://www.z80.info/decoding.htm…

    ... is JP HL
    DDE9 is JP IX
    FDE9 is JP IY ... [/url]

    uses JP(HL), JP(IX), JP(IY), but describe their ...
    vreddy vreddy December 2004 Development
  • Z80 register decoding document error?Hi, I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). [url="http://www.z80.info/decoding.htm…

    ... is JP HL
    DDE9 is JP IX
    FDE9 is JP IY ... [/url]

    uses JP(HL), JP(IX), JP(IY), but describe their ...
    GOC GOC January 2005 Development
  • Z80 register decoding document error?Hi, I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). [url="http://www.z80.info/decoding.htm…

    ... :48, GOC wrote:
    The "JP (HL)" notation is an error ... /> "Somehow" of course being because JP (HL) is the official notation ...
    Philip Kendall Philip Kendall January 2005 Development
  • Announce Pasmo 0.5.1Hello. New release 0.5.1 of Pasmo, multiplatform Z80 cross-assmbler. The main news are related to macros: the MACRO parameters now are expanded ins…

    ... something like this:

    jp nc, _uniqLabel_72ndg1
    add hl ... , bc
    rla
    jp _uniqLabel_h39sf3
    _uniqLabel_72ndg1
    ld ...
    Erlstoned Erlstoned January 2005 Development
  • Announce Pasmo 0.5.1Hello. New release 0.5.1 of Pasmo, multiplatform Z80 cross-assmbler. The main news are related to macros: the MACRO parameters now are expanded ins…

    ... cc' will be replaced with jp ~cc, label1.
    2) You ... 'else' will be replaced with 'jp label2 \n label1:'.
    3 ...
    Erlstoned Erlstoned January 2005 Development
  • Announce Pasmo 0.5.1Hello. New release 0.5.1 of Pasmo, multiplatform Z80 cross-assmbler. The main news are related to macros: the MACRO parameters now are expanded ins…

    ... cc' will be replaced with jp ~cc, label1.
    2) You ... 'else' will be replaced with 'jp label2 n label1:'.
    3 ... miss. Using JR instead of JP, for a start. Maybe it ... a RET instead of the JP label2.

    OK, it ...
    gasman gasman January 2005 Development
<1…16171819202122…34>

Latest Posts

  • European Software Titles with an English version
    harriusherbartio on 12:06PM
  • How Do You Categorize Your Speccy Software and Games?
    harriusherbartio on 11:21AM
  • Fixed Speccy Software. And which games remained unfixed?
    harriusherbartio on 11:01AM
  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade 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
  • 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

HitBox

Word Docs Hits
jp 4.7K 8.4K
speedlock 901 1.3K

Related Threads

  • Speedlock 5 & 6Is it really possible to convert a working VOC of a speedlock 5 or 6 game into a TZX ?<br /> <br /> The reason I ask this is because I have a couple …
  • Speedlock & Spin (again)Following on from the Vixen thread, I've come across another game which crashes during the decryption beeps - Imagine's "Ping Pong". With Vixen, a ne…
  • 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…
  • happy birthday jpyup<br /> <br /> happy birthday
  • Super Hang On (Speedlock deprotector program needed)Hello all,<br /> <br /> I been looking into finding a way of decrypting the speedlock on Super Hang On. I want to create a deprotected tap version of…
  • Happy Burfday jp!Happy Burfday!<br /> <br /> Drink Beer (your avatar implies you may already be ;))<br /> <br /> Have a Gudden!
  • Speedlock - a loader or a virus?Believe it or not, my rubber refuses to load 100% anything Speedlock related. At least the later ones used in 1988-1990 games. I was using the output…
  • Jet Set Willy and the Speedlock loaderHi everybody,<br /> <br /> I'm building a Manic Miner/JSW tribute site (yes, another one) and I was missing my original copy of Jet Set Willy. It's b…
  • Speedlock builderI've seen the Alcatraz dev cartridges although I could not figure out how to use them, only knowing a tiny bit of Z80 probably did not help, but I ca…
  • Speedlock and Games questionI have found that games such as [url=http://www.worldofspectrum.org/infoseekid.cgi?id=0004564]Slap Fight[/url] and the others, e.g. [url=http://www.w…

Related Searches

  • speedlock
  • jp peter
  • remove speedlock
  • fast jp table
  • jp
  • jp nz
  • jp impossible mission
  • jp impossible mission tweak
  • tweak jp
  • speedlock 2
  • head over heels jp
  • speedlock 2 jetpac
  • bleepload jp
  • alkatraz jp
  • speedlock loading
  • speedlock source code
  • skate crazy jp
  • speedlock macro dos
  • king valley jp
  • speedlock 5

Copyright © 2024 World of Spectrum