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 0.013s
<1…17181920212223…34>
  • Places of Speccy interest in Google Street ViewI've noticed that there are a few cities in the UK where Street View is available on Google Maps. No idea since when, I haven't used this feature muc…

    ... =q&source=s_q&hl=en&geocode=&q ... =q&source=s_q&hl=en&geocode=&q ... the corner and we still call Faraday St "Timex Brae" even ...
    evilpaul evilpaul April 2010 Chit chat
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... br />
    [CODE];Call Routine with HL pointing to the start ... a ;
    add hl,hl ;
    add hl,hl ;multiply the Character by ... hl,de ;is made up of 8 bytes
    ;
    p_main: call ... Character to the Screen
    call p_print ;
    pop bc ...
    Turkwel Turkwel April 2010 Development
  • Some TR-DOS technical questionsHi forum, I sincerelly hope this was the right section of yours to ask this kind of stuff in. (else return facepalm;) Anyway, here's a couple of que…

    ... LD C,#7F ;
    CALL TODOS ;write to #7f ... ;positioning comm.
    CALL CMD_RDY ;write to #1f ... of retries
    ERR PUSH HL ;
    PUSH BC ;
    pop hl ;
    JR NZ,ERRCHK ;< ...
    Hikaru Hikaru April 2010 Development
  • Changing the look of the 48K editor cursor?I've read many books and mags since 1987 but never saw it done, and a wos forum search revealed nothing. If I wanted to customize the cursor and, let…

    ... br /> ORG 2Bh
    LD HL, (5C8Fh) ; ATTR_T
    JR ... /> ORG 5Fh
    PUSH HL ; Save original ATTR_T
    ... While displaying the "?"
    CALL 25h ; Select red/white ... call to 18C1h

    ORG 18C6h
    LD HL, ...
    John Elliott John Elliott April 2010 Sinclair Miscellaneous
  • +3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…

    ... . The result of the USR call is 1 if the file ...
    pop hl ;HL = entry address
    inc hl
    inc hl ;HL = filename parameter ... if it does not
    call 0106h ;DOS OPEN
    ld ... , 0 ;Close file 0
    call 0109h ;DOS CLOSE
    ld ...
    John Elliott John Elliott May 2010 Sinclair Basic
  • +3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…

    ... to setup an environment to call the DOS routines.
    48928 LD HL,28659 ;Address of the ... error is!)
    48931 CALL 262 ;call DOS_OPEN ($106)
    < ... DOS channel #3
    48988 CALL 265 ;call DOS_CLOSE

    ...
    spodula spodula May 2010 Sinclair Basic
  • Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…

    ... /> ; add hl,hl
    ; add hl,hl
    ; add hl,hl
    ; add hl,de
    ; call p_print ... *256+10
    ; ld hl,xxxx
    ; call p_print
    ;
    ...
    Turkwel Turkwel June 2010 Development
  • Assembly OUT commandHello, im trying to send a signal to the output using this command. LD A,2 OUT (0FEh),A ---> This will set the border colour to RED The problem i…

    ... PUSH BC
    PUSH HL
    CALL 949 ;beeper, A=lost= ... /> INC HL
    INC HL ;inc frequency
    INC HL
    ... else exit
    so2 DEC HL ;dec frequency
    CP ...
    roko roko June 2010 Development
  • Rom Routines list ?Exist some document that show detailled the routines on the spectrum ROM ? Ad for the Spectrum +3 ? are they the same or exist more ? Example i was …

    ... /y values in COORDS
    CALL L22AA ; routine PIXEL-ADD gets ... address in HL,
    ; count from left 0 ... follow operations before and after call the routines:

    push ...
    arfgh arfgh June 2010 Sinclair Basic
  • Rom Routines list ?Exist some document that show detailled the routines on the spectrum ROM ? Ad for the Spectrum +3 ? are they the same or exist more ? Example i was …

    but always when i call a ROM routine i must do the same pushes and pops ? The same ?

    push bc
    ld bc,#5d70
    arfgh arfgh June 2010 Sinclair Basic
  • 'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…

    ... /> [code] ld bc,#0205
    call getScrAddr
    ld de,textStr ...
    call printStr
    jp $

    ret z
    call printChr
    inc de
    add hl,hl
    add hl,hl
    add hl,hl
    ld bc ...
    Shiru Shiru June 2010 Sinclair Basic
  • 'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…

    ...
    call #1601 select upper screen
    ld hl,text point ... textstring
    loop ld a,(hl) fetch next character
    ... next character
    ld a,(hl)
    or a is ...
    Dr BEEP Dr BEEP June 2010 Sinclair Basic
  • How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…

    ... that the routine destroy the HL.
    Anyways i saved. The ... ,1
    push hl
    call $24b7
    pop hl
    [/QUOTE]
    arfgh arfgh June 2010 Sinclair Basic
  • How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…

    ... that the routine destroy the HL.
    Anyways i saved. The ... last post.
    Before the call to MC make a PLOT ...
    Dr BEEP Dr BEEP June 2010 Sinclair Basic
  • How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…

    ... address you're using to call LINE-DRAW isn't ... /> exx
    push hl ; preserve value of HL'
    exx
    ... e,1

    call $24BA ;call LINE-DRAW (skipping initial stack ... instructions)
    exx
    pop hl ...
    GReW GReW June 2010 Sinclair Basic
  • How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…

    ... address you're using to call LINE-DRAW isn't ... /> exx
    push hl ; preserve value of HL'
    exx
    ... e,1

    call $24BA ;call LINE-DRAW (skipping initial stack ... instructions)
    exx
    pop hl ...
    Dr BEEP Dr BEEP June 2010 Sinclair Basic
  • How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…

    ... into the stack just to call the main line-draw address ... explain more about the alternate hl' register ? what difference with the ... main hl ?

    thx in advance
    arfgh arfgh June 2010 Sinclair Basic
  • How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…

    ... into the stack just to call the main line-draw address ... ]
    EXX ; switches BC,DE,HL with their alternates
    EXX ...
    GReW GReW June 2010 Sinclair Basic
  • How works the Line-Draw ROM routine ?The 'complete spectrum rom dissasembly.pdf' show info related to the draw rom subroutine. The Line-Draw require two sets of parameters: X,Y coordinat…

    ok shiru, and this is the case of the line-draw routine, that change the value of the hl' when return. For this reasson we must preserrve it from the call that make our program.

    So these alternate registers are used internally by the Z80 ?
    arfgh arfgh June 2010 Sinclair Basic
  • 'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…

    ...
    call #1601 select upper screen
    ld hl,text point ... textstring
    loop ld a,(hl) fetch next character
    ... next character
    ld a,(hl)
    or a is ...
    Dr BEEP Dr BEEP June 2010 Sinclair Basic
  • 'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…

    ... 2
    call #1601 select upper screen
    ld hl,text point ... textstring
    loop ld a,(hl) fetch next character
    rst ... /> ld a, 2
    call 0x1601
    ld hl, text
    .loop ...
    Winston Winston June 2010 Sinclair Basic
  • +3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…

    ... br /> add hl, de ; 49072 25 ;HL=location of f ... f$ address
    inc hl ; 49074 35
    ... br /> ex de, hl ; 49076 235 ;HL=f$ address
    ... =file ID 3
    call 265 ; 49097 205 9 ...
    Battle Bunny Battle Bunny June 2010 Sinclair Basic
  • Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …

    ... /> add hl,hl
    add hl,hl
    add hl,hl
    add hl,hl
    add hl,hl ;y ... in hl

    pop bc
    push bc

    call ... edge
    pop hl
    pop bc
    call downHL
    djnz ...
    Shiru Shiru June 2010 Sinclair Basic
  • Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…

    ... 32ff5b LD (5bff),A ;save HL at top of printer buffer ... 3ecd LD A,cd ;put CALL 29770 at 28187
    7558 ... 3aff5b LD A,(5bff) ;restore HL
    756a 67 LD H ...
    Battle Bunny Battle Bunny June 2010 Development
  • Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …

    ... /> add hl,hl
    add hl,hl
    add hl,hl
    add hl,hl
    add hl,hl ;y ... in hl

    pop bc
    push bc

    call ... edge
    pop hl
    pop bc
    call downHL
    djnz ...
    Shiru Shiru June 2010 Sinclair Basic
  • Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…

    ... , making a DEC HL followed by a CP,(HL) at the start ... seeing what happens when I call the correct USR address. Of ...
    Battle Bunny Battle Bunny June 2010 Development
  • KING OF PONG: Pong revisitedHello everybody. I'm proud to announce you that my last personal project for the ZX Spectrum, "KING OF PONG" is available to download here at WOS si…

    ... br /> b8d3: ld hl, $0000
    b8d6: push hl
    b8d7: ld ... hl, $0000
    b8da: push ...

    org $c932
    call $5b00


    org ... $5b00
    ld ($fc93),hl
    push hl

    ld a ...
    Bandit Bandit June 2010 Development
  • Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …

    ... /> [code] ld a,2
    call #1601

    ld a ... /> .loop0
    ld a,(hl)
    inc hl
    or a
    add hl,hl
    add hl,hl
    add hl,hl
    add hl,hl
    add hl,hl ;Y ... *32
    ld d,#58
    add hl ...
    Shiru Shiru June 2010 Sinclair Basic
  • Arkos TrackerHi all, I'm proud to present you my Windows-based Tracker : Arkos Tracker, for you to compose for Spectrum, CPC and MSX. It requires .NET 3.5 at lea…

    ... mode
    ld hl,&8000 ; HL point to the IM2 ... /> inc a
    ld (hl),a
    ld de,& ... &4000
    ld hl,begin_music
    ld de,& ... /> ld de,&4000
    call Player_Address

    ei
    SyX SyX June 2010 Development
  • +3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…

    ... in the FN o(f$) call.

    If you want ... address of that entry in HL so it could be used ... before setting the address in HL.

    Using m/code ...
    Battle Bunny Battle Bunny June 2010 Sinclair Basic
<1…17181920212223…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
call 14.3K 24.3K
hl 6.2K 48K

Related Threads

  • Call for identificationDoes anyone here know for 100% sure which issue carried "The YS Trainspotters Guide to<br /> Playing Games" booklet?<br /> The SPOT*ON magazine datab…
  • OT: World Exclusive - US Election. I call Kerry.Yes folks, here it is another WOS world exclusive, <br /> John Kerry has won the US election! it's been a close race, but renouned one man news angen…
  • Permits - call for helpIt's time for the sort-of-annual ritual where I ask for help on the permissions project (and you all ignore it ;) )<br /> <br /> If you hold any Spec…
  • Call Of Duty I Can't Start New Server HELP pleaseHello my problem is when I want to start new server I get a box on screen that says <br /> <br /> Script compile error<br /> ( see console for detail…
  • Now That's What I Call An Arcade ConversionA couple of months ago I modded my Xbox so it can play all the old arcade games and other consoles. I was playing the arcade Commando and enjoying i…
  • Call of Cthulhu RPGI bought the game book many years ago but sadly, I could never find anyone to play it with.<br /> <br /> Has anyone here ever played it? I'd like to …
  • First Speccy game with gfx you can call realisticAt the beginning there were games with poor gfx. But later, one day you loaded a game and wow! what a difference - good, realistic gfx.<br /> So - te…
  • Roll Call for CGE UK 2005Despite everything conspiring against me to stop me from getting to Croydon a week on Saturday, like my specially bought-for-lugging-stuff-to-the-sho…
  • Call Of Cthulhu : Dark Corners Of The EarthIt's finally being released on Friday (assuming they don't put it back yet another few weeks). I really can't wait to get this. It both looks and sou…
  • Who's seen the silent Call of Cthulhu film?Just stumbled across it and thought it looked great. Should I purchase?<br /> <br /> Some Clark Ashton Smith films would be nice. Have any of his b…

Related Searches

  • ld hl de
  • return to basic hl
  • call address held in register
  • call address in bc
  • call me an asshole
  • call protect
  • ld a 0 call 5633
  • tr dos call
  • call 1378
  • slt format hl
  • 16 bit hl load
  • call 1366
  • call 8252
  • call 654
  • jp hl
  • 3 dos rom call page memory
  • call chaining
  • chain call
  • call 6683
  • ld bc hl

Copyright © 2024 World of Spectrum