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 0.017s
<1…14151617181920…34>
  • Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…

    ... ;number of trees
    LD HL,16384 ;first tree position
    PUSH HL
    CALL DrawOneTree
    POP HL
    POP BC ... values correctly:

    PUSH HL
    PUSH DE
    PUSH ...
    POP DE
    POP HL
    Ralf Ralf January 2009 Development
  • Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…

    ... POP DE
    LD A,(HL)
    AND D
    ... OR E
    LD (HL),A
    INC L
    HL points to an address in ... :
    [CODE]
    CALL 82 ; location of RET in ... first executable byte (ignoring the CALL) of this code, but ...
    Arjun Arjun January 2009 Development
  • Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…

    ... first executable byte (ignoring the CALL) of this code, but what ... ]
    SCREEN EQU #4000
    CALL 82 ; location of RET in ... DE
    LD HL,PROG-HERE
    ADD HL,DE
    LD ...
    Patrik Rak Patrik Rak January 2009 Development
  • Assembler snippetsI was just thinking that a thread for small but useful assembler snippets to do useful things would be cool for people learning z80 coding. Not to me…

    ... /> tl1 LD A,(HL) ; fetch min/sec
    CALL disp ; display them ...
    Dr BEEP Dr BEEP January 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... clear screen is 3 byte CALL of ROM routine.

    dec hl
    ld (hl),0
    or (hl)
    jr ...
    Shiru Shiru February 2009 Development
  • Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…

    ... clear screen is 3 byte CALL of ROM routine.

    dec hl
    ld (hl),0
    or (hl)
    jr ...
    baze baze February 2009 Development
  • Need a pointer to using the spectrum calculator from MCHi all, Can anyone point me to a good resource on using the spectrum calculator stack from machine code? I need to work out the number of seconds f…

    ... hl

    ld hl,Expression
    ld (0x5C5D),hl
    call 0x24FB
    call ...
    Bob Stains Bob Stains February 2009 Development
  • 128 ROM paging alternativeWould this work (with the appropriate code in each ROM)? [code] ; 128 rom paging routine ; use rst 28h with call address stored after restart ;;rom…

    ...
    [CODE]
    ex (sp),hl
    ld (SaveDE),de
    hl)
    inc hl
    ld d,(hl)
    inc hl
    ex (sp),hl ...
    call LoadDE
    baze baze February 2009 Development
  • Need a pointer to using the spectrum calculator from MCHi all, Can anyone point me to a good resource on using the spectrum calculator stack from machine code? I need to work out the number of seconds f…

    ... have remarked out the first call which means that these values ... RESULT
    DEFB 38H
    CALL FPPRINT

    What was ... 038H ; end calc
    LD (HL), 091H ; directly set exponent for ...
    Geoff Geoff February 2009 Development
  • Playing 128k music with z88dk ?Hi, I'm amazed how easy seems to make things with z88dk to build spectrum asm programs. After my first approach I miss some way to play 128k music, s…

    ...
    push de
    push hl

    XREF music_routine ; necessary ... not in this file
    call music_routine ; or a fixed memory ... it is

    pop hl
    pop de
    pop ...
    Alcoholics Anonymous Alcoholics Anonymous February 2009 Development
  • New game: Nanako Descends to HellJust a bit over two weeks after their first game, The Mojon Twins strikes again with a new game for Spectrum 128k and Amstrad CPC: [url]http://www.m…

    ... , _im2_vector_table_buffer
    ld hl, 61440
    ld bc ... , _im2_generic_isr_routine_buffer
    ld hl, 61937
    ld bc ... , 61937
    ld hl, _im2_generic_isr_routine_buffer
    ld bc ... /> ld b, 0
    call SetRAMBank
    #endasm
    ...
    na_th_an na_th_an March 2009 Games
  • New game: Nanako Descends to HellJust a bit over two weeks after their first game, The Mojon Twins strikes again with a new game for Spectrum 128k and Amstrad CPC: [url]http://www.m…

    ...
    push de
    push hl
    #endasm

    // insert ...

    #asm
    pop hl
    pop de
    pop ... -- if you only want to call the single ISR function, you ...
    Alcoholics Anonymous Alcoholics Anonymous April 2009 Games
  • Making Horace play fair!Hi again Has anyone created a new or twiddled version of Hungry Horace that has a more fair screen 3 and 4? Or a version of the spiders where the f…

    ... ,0
    ADD HL, HL
    ADD HL, HL
    ADD HL, HL
    LD DE ... , 6FD7h
    ADD HL, DE ... ; 6FD7h + 8 * level
    CALL 6A9Eh
    LD ...
    John Elliott John Elliott April 2009 Games
  • 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 …

    ... ]
    CLS

    call #daf

    10 LET ...
    push hl ; save original HL
    ld hl,23560 ; sysvar last ... xor a
    ld (hl),a ; reset last key ... again
    pop hl ; reclaim original HL
    ; A ...
    Dr BEEP Dr BEEP April 2009 Development
  • 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 …

    ... ]
    CLS

    call #daf

    10 LET ...
    push hl ; save original HL
    ld hl,23560 ; sysvar last ... xor a
    ld (hl),a ; reset last key ... again
    pop hl ; reclaim original HL
    ; A ...
    ASH-II ASH-II April 2009 Development
  • 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 …

    ...
    So, you can PUSH HL then POP DE if you ... way of moving data from HL to DE. In this ... to save the value of HL then restore it afterwards.
    HL with the address of my ... called, or someone uses the CALL instruction, the address of the ...
    joefish joefish April 2009 Development
  • 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 …

    ...
    ld hl,text ; the first textpart
    call doprint ; do the ... printing
    ld hl,text2 ; the ... second textpart
    call doprint ; do ... the mainprogram (after the CALL). If not then the ...
    Dr BEEP Dr BEEP April 2009 Development
  • Simple text compressionI just checked one idea about text compression. Do not take it as recomendation but rather as info which can you save some time when you are solving …

    ... /> EX DE, HL
    ADD HL, HL
    ADD HL, DE
    ... HL

    ; Set Cursor to start of string[0]
    CALL ... br /> EX DE, HL
    CALL GotoString0 ; (overwrites HL with (StringBase) and ... EX DE, HL
    ADD HL, HL
    EX DE, HL
    < ...
    BloodBaz BloodBaz May 2009 Development
  • Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…

    ... ; Draw a 4x4 block
    ; hl = Graphics address
    ; de = ... disable interrupts
    ld hl,gfx ; hl points to graphics
    ... screen (top left)
    call drawblock ; draw the block
    ex de,hl ; hl now has screen address
    robpearmain robpearmain May 2009 Development
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ... br /> call make_room ; call the MAKE_ROOM routine
    inc hl ; move HL up one ... add hl, hl ; x8
    add hl, hl ; x16
    add hl, hl ; x32
    add hl, hl ... ; x64
    add hl, hl ...
    chev chev May 2009 Development
  • Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …

    ...
    POP DE
    POP HL
    LD SP,IX ; IX ... = set before
    PUSH HL
    PUSH DE
    PUSH ... MC well.

    The call from BASIC would be:
    Dr BEEP Dr BEEP May 2009 Development
  • Which disk system to useimagine you are writting a software which really needs disk access and can not be loaded at once. which disk system is best choice (that is wide emul…

    ... in TRDOS:

    ld hl, address_in_memory_where_to_load
    ld de, #track ... (5 - load, 6 - save)
    call #3d13

    simple enough ... hl, WHERE
    ld de, (#5cf4)
    ld bc, #XX05
    call ...
    Shadow Maker Shadow Maker May 2009 Development
  • 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 …

    ...
    mainint ld hl,6417
    call delay_hl
    ld bc ... im 1
    ei
    call textout
    ret
    < ...
    Bob Stains Bob Stains May 2009 Development
<1…14151617181920…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