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 0.010s
<1…18192021222324…34>
  • 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…

    ... _vdu_flag) ; main screen?
    jr z, cl_line_3 ; jump if so< ... ; than 256?
    jp nz, report_k ; error if ...
    chev chev November 2013 Development
  • Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…

    ... D=$ff
    jr z,Next1 ;skip leading zeroes ... 7, h
    jp nz, SEARCH ;finished when ... ;indicate single digit
    jp DONE

    ... e
    jr nz, PRINTL
    jp PRINTR
    ...
    Einar Saukas Einar Saukas December 2013 Development
  • Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…

    ... br /> dec h
    jr z, eight_bit

    ... djnz no_leading_zeroes

    jp write1s


    ld bc,-100
    jp nc, no_leading_zeroes

    ... inc de

    jp leading_zeroes

    # ...
    Alcoholics Anonymous Alcoholics Anonymous December 2013 Development
  • Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …

    ... cp d ;4
    jp nz, repet2 ;10 25
    cp e ;4
    jr z, repet4 ;7
    djnz ... repet3 ;13 35
    jr repet1
    repet4
    ...
    antoniovillena antoniovillena December 2013 Development
  • Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …

    ...
    LD A,233 ;= JP (HL)
    LD (nwentr ... .3 sec
    JR Z,x2 ;Z=end count
    ...
    roko roko December 2013 Hardware
  • mirroring bitsIf I have a string of 1408 bytes, each of which has one bit 'b' set, what's the shortest way of mirroring that string, so that each bit set at positi…

    ... ,(de)
    and 0fh
    jr z,upper
    ld l,a ...
    ldi
    jp pe,loop

    ; (7 ... l,a
    ldi
    jp pe,loop

    ; avg ...
    Kweepa Kweepa January 2014 Development
  • ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …

    ... right one bit
    jp nc, SPHuffDecode
    inc ... ; mask off bit
    jr z, goleft ; if code bit ... ; hl = root.right
    jp nextcodebit

    .goleft ... ; hl = root.left
    jp nextcodebit
    [/code]
    ...
    Alcoholics Anonymous Alcoholics Anonymous January 2014 Brand new software
  • Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…

    ... call 23296 ; call unpack
    jp 41200 ; run game

    inc c
    jr z,n2
    ld bc,$33f ... br /> inc c
    jr nz,m4
    ld ... ldir
    pop hl
    jr m0
    end_dec40
    [/code ...
    FrankT FrankT January 2014 Development
  • Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…

    ... call dec40 ; call unpack
    jp 63972 ; run game

    inc c
    jr z,n2
    ld bc,$33f ... br /> inc c
    jr nz,m4
    ld bc ... ldir
    pop hl
    jr m0
    end_dec40[/code]
    Speccy_James Speccy_James January 2014 Development
  • z80 less than and greater thanI am writing a keyboard routine where the pressed key code number is held in A. I only want to action the number key presses 1 to 9 (codes 49-57) so …

    ... the CP and then use JP C
    2) If ... LD A,49: CP B: JP C,loop
    3) Simulate ... the condition with JP NC (jump if greater or ... loop
    dec a
    jr z,key50
    ;likewise, key 51 ... keycode=57[/code]

    JP P executes if the result ...
    Hikaru Hikaru February 2014 Development
  • z80 less than and greater thanI am writing a keyboard routine where the pressed key code number is held in A. I only want to action the number key presses 1 to 9 (codes 49-57) so …

    ... the CP and then use JP C
    2) If ... LD A,49: CP B: JP C,loop
    3) Simulate ... the condition with JP NC (jump if greater or ... loop
    dec a
    jr z,key50
    ;likewise, key 51 ... keycode=57[/code]

    JP P executes if the result ...
    Speccy_James Speccy_James February 2014 Development
  • Interface 1bis updateSupport for connecting a standard PC keyboard to the interface?s PS/2 socket, in place of a mouse, has been added. The external keyboard?s output is …

    ... LD (TMP_HL),HL
    ;000D JP MAIN_E
    ; *
    ; Reset ... External keyboard?
    38b7 : 2807 JR Z,NO_BRK; Inactive!
    38b9 : fea0 ...
    Dan Antohi Dan Antohi April 2014 Hardware
  • Interface 1bis updateSupport for connecting a standard PC keyboard to the interface?s PS/2 socket, in place of a mouse, has been added. The external keyboard?s output is …

    ... LD (TMP_HL),HL
    ;000D JP MAIN_E
    ; *
    ; Reset ... External keyboard?
    38b1 : 2807 JR Z,NO_BRK; Inactive!
    38b3 : fea0 ...
    Dan Antohi Dan Antohi April 2014 Hardware
  • Unusual custom turbo loaders - with sourcesI have always been fascinated by turbo loaders; my games all feature a TZX version with one of such schemes implemented, and I have been experimentin…

    ...
    CALL 65502
    JR NC,65378
    LD HL ...
    CALL 65498
    JR NC,65378
    LD B ... AF,AF'
    JR NZ,65450
    JR NC,65460
    ... /> LD B,210
    JP NC,65473
    LD A ... C
    AND 032
    JR Z,65508
    LD A,C ...
    Alessandro Grussu Alessandro Grussu May 2014 Development
  • Unusual custom turbo loaders - with sourcesI have always been fascinated by turbo loaders; my games all feature a TZX version with one of such schemes implemented, and I have been experimentin…

    ...
    CALL 65500
    JR NC,65380
    LD B ... br /> LD B,176
    JP NC,65475
    LD A ... C
    AND 032
    JR Z,65510
    LD A,C ... br /> LD B,176
    JP NC,65475
    LD A ... C
    AND 032
    JR Z,65510
    LD A,C ...
    Alessandro Grussu Alessandro Grussu May 2014 Development
  • Unusual custom turbo loaders - with sourcesI have always been fascinated by turbo loaders; my games all feature a TZX version with one of such schemes implemented, and I have been experimentin…

    ...
    CALL 65499
    JR NC,65380
    LD B ...
    CALL 65499
    JR NC,65380
    LD A ... AF,AF'
    JR NZ,65451
    JR NC,65461
    ... /> LD B,224
    JP NC,65474
    LD A ... C
    AND 032
    JR Z,65509
    LD A,C ...
    Alessandro Grussu Alessandro Grussu May 2014 Development
  • Unusual custom turbo loaders - with sourcesI have always been fascinated by turbo loaders; my games all feature a TZX version with one of such schemes implemented, and I have been experimentin…

    ...
    CALL 65499
    JR NC,65375
    LD HL ...
    CALL 65495
    JR NC,65375
    LD B ... AF,AF'
    JR NZ,65447
    JR NC,65457
    ... /> LD B,176
    JP NC,65470
    LD A ... C
    AND 032
    JR Z,65505
    LD A,C ...
    Alessandro Grussu Alessandro Grussu May 2014 Development
  • ZX-Assembler file handling concept[QUOTE=clausjahn;777075]Dear readers, At this time, it's a good time to ask you, the future users, how to implement the file usage. Let's suggest so…

    ... )
    or a
    ret z
    ld b,a
    inc ix
    jr Cycle

    CallR ld ... /> ld l,a

    jp (hl)
    [/code]

    Alcoholics Anonymous Alcoholics Anonymous September 2014 Emulators
  • Game of Life.Last year (I think) or maybe the year before, I entered a Game of Life simulator into the CSS CGC compo but for the Sinclair ZX81. I decided to port…

    ... br /> call $28B2 ;LOOK_VARS
    jp c,$0670 ;"2 - Variable not ... br /> cp l ;and
    jr nz,DeadC ;if live count ... br /> cp (ix+0)
    jr z,NextC ;if live count = 2 ...
    Battle Bunny Battle Bunny September 2014 Sinclair Basic
  • Issue 6 repair with a twist...(Starting with a slight grump - the forum ate my first attempt at this so this'll probably end up being a bit terse :)) I got a Issue 6 48K machine …

    ... br /> jr z, .marchtest2.next

    MARCHBORKED
    jp .marchtest.done ... (hl)
    cp 0xff
    jr z, .marchtest3.next

    ... br /> jr z, .marchtest4.next

    MARCHBORKED
    jp .marchtest.done ...
    balford balford September 2014 Hardware
  • Chuckie Ess 2 tap doesnt work[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0000959[/url] It loads, you press a key and it returns to Basic! Anyone any idea why or got a …

    ... 28
    JR Z, L_FF33 ; 65335 40 250
    JP 23296 ; 65337 195 ...
    Battle Bunny Battle Bunny September 2014 Infoseek database
  • Simple text scrolling routine...I'm having trouble writing a very simple text scroller, the idea is to use the ROM printer routine to print 32 characters each time the routine is ca…

    ... /> in a,(c)
    rra:jr c,demo
    ret
    dec b
    jp nz,scroll_text

    ;out ... ,(ix)
    or a
    jr nz,noloop
    ;if zero ... )
    bw:and #80
    jr z,nobit
    set 0,(hl ...
    g0blinish g0blinish October 2014 Development
  • Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…

    ... 8f 65 $0ats
    jp $8200 ; 5b0e c3 00 ... OR E
    00150 JR Z,DONE
    00160 ; ...
    jp jp November 2014 Announcements
  • 64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…

    ... /> BIT 0,A
    JR Z,Start3
    LD D,255 ... />
    AND 00000100b
    JP NZ,L2

    LD ... br /> LD L,A
    JP C,L4

    ... ,H
    CP 88
    JP NZ,L2

    ... ,(StoreSP)
    EI
    L5 JP L5

    StoreSP ...
    Ralf Ralf December 2014 Development
  • Double height text...<p>Is here any good routines for printing a font double height?</p><p>I've concocted this ridiculous routine but I'm sure it can be done much better.…

    ... ve finished
     ret z
     cp 24  ;numbers ... are yx cords
     jp c,findyx
     call ... new row yet?
     jr nz,print_string
     dec ...  ld d,a
     jr print_string
     ;
    findyx ; ... br />  inc ix
     jp print_string
     ;
    get_char ...
    R-Tape R-Tape June 2015 Development
  • Games not compatible with the 128+ & grey +2Like the +2A & +3 thread, there are a few games that do not work correctly on the original 128+ and the grey +2. Two games that I know of that wil…

    ... a c3, ie a jp?
    jr nz,type3 ; go forward ... at hl a ae?
    jr z,patch ; if so, crack ... is it a aa?
    jr z,type8 ; go forward if it ... a,244 ; offset for jp nz
    jr dodcr ; do the ... a c3, ie a jp?
    jr nz,notjp ; go forward ...
    jp jp October 2015 Games
  • Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…

    ... /> ret nz
    jp segdown ;if Z we have overclocked the ... br /> bit 7,c
    jr z,prighthalf
    plefthalf: ;left ... )
    ld l,a
    jp (hl)
    ;
    print_jp_table ... cpl
    and 31
    jr z,aklp
    ret
    ;
    R-Tape R-Tape December 2015 Development
<1…18192021222324…34>

Latest Posts

  • I bought an accoustic guitar. How do you play it?
    dm_boozefreek on 7:51PM
  • Goodbye Z80
    zx1 on 7:11PM
  • Happy 40th Birthday to the Amstrad CPC464!
    AndyC on 6:29PM
  • Another Birthday! The Game Boy Is 35!
    dm_boozefreek on 6:17PM
  • I am currently watching.....
    Antiriad2097 on 5:05PM
  • 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
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21

HitBox

Word Docs Hits
jp 4.7K 8.4K
z 4.6K 11.6K
vs 4.1K 5K
jr 3.2K 12.2K

Related Threads

  • metallica vs. anthrax vs. megadeth vs. slayera/k/a "the big four". lets face it we're all from the 80's (ish), they used to tour every year as "the big four"...who was the greatest? - non-metal …
  • Tekken 6 Vs Street Fighter 4 Vs Virtua Fighter (is it 4?) Vs Soul CalibourI really miss playing a cool fighting game... the last one I bought was soul calibour for PS2, and I've tried the demo for ps3 and didn't see that mu…
  • Speccy vs C64 vs Amstrad - Make your vote count![url]http://www.retrofusiononline.com/fusion/[/url]<br /> <br /> You know it makes sense. We're winning at the moment, too...<br /> <br /> D.
  • Q. on copyrights vs. walkthroughs vs. "derivative work"I remember quite a while ago I asked for assistance on this topic and the only thing I do remember (and has held me back somewhat since then) is the …
  • Wii vs 360 vs PS3Wii takes the lead<br /> <br /> Wii = 10.57 mil sales<br /> 360 = 10.51 mil sales<br /> PS3 = 4.11 mil sales
  • XBox vs. PS2 vs. GamecubeWhich of the three machines did you prefer? Personally I prefer the XBox, with the PS2 second and the Gamecube third, for the following reasons.<br …
  • Playstation vs. N64 vs. SaturnIn another thread ( [URL]http://www.worldofspectrum.org/forums/showthread.php?t=20482&amp;highlight=xbox+360[/URL] ) we discussed the virtues and q…
  • Google Chrome vs IE8 vs Firefox 3.5Hi experts<br /> <br /> It's time for me to upgrade my browser. Which of these three should I go for? Is there one in particular that I should avoid?…
  • Cartridges vs. Discs vs. Digital downloadFollowing a discussion in another thread, I thought a poll about cratridge vs. disc vs. digital download might be interesting (well, compared to the …
  • Screenshots May Vary book - ZX vs C64 vs CPC[IMG]http://www.parkproductions.btinternet.co.uk/images/bookpreview1.jpg[/IMG]<br /> <br /> [URL="http://www.youtube.com/watch?v=94jpuWsOdns"]http://…

Related Searches

  • jp peter
  • divmmc vs divide
  • compliment z flag
  • fast jp table
  • x y z
  • donkey kong jr corrected jump tap
  • jp
  • jp nz
  • donkey kong jr
  • pets vs aliens
  • z exemplar
  • pets vs aliens prelude
  • dogs vs aliens
  • jp impossible mission
  • jp impossible mission tweak
  • tweak jp
  • midi play z
  • ice slider z
  • head over heels jp
  • jr z integer out of range

Copyright © 2024 World of Spectrum