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 0.005s
<1…17181920212223…34>
  • Address of monitor to load emulator files into real SpeccyI have a monitor/debugger that can load data over serial port really fast. Now I would like to extend it to load standard emulator files over the ser…

    ... , with processor context (i.e. register values) attached. Even if I ...
    tstih tstih September 2011 Development
  • ZX80 and 81 hardware questionsI'm finding a lot of the documentation that is ostensibly about the hardware of the ZX80 and 81 to be primarily about the software. I was hoping some…

    ... load of the video shift register, which is loaded from an ...
    Thommy Thommy September 2011 Hardware
  • saving part of a BASIC programHere's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to …

    Here's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to be combined or merged into other programs. It's sort of a slow version of copy & paste. The two line ...
    Battle Bunny Battle Bunny September 2011 Sinclair Basic
  • a bit of coding helphi all over the past few weeks i have been busy getting to grips with recracking tr-dos stuff for the plus-d and was after a little bit of help what…

    ... is read the contents of register "de" and depending on its ...
    djgarf djgarf October 2011 Development
  • Lord Of The Rings; Files skipped ?Hi folks, Does anyone know what blocks 8~13 are for in the Lord of The Rings: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006601[/url] I…

    ... DE,00017
    61460 LD IX,00000
    61464 CALL ... DE,06912
    61473 LD IX,16384
    61477 CALL ... DE,00005
    61486 LD IX,00000
    61490 CALL ... ,00005
    61496 LD IX,00000
    61500 CALL ... ,00005
    61506 LD IX,00000
    61510 CALL ...
    Andrew Barker Andrew Barker October 2011 MIA/STP/SDP
  • AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…

    ... it only changes the Flags register so I couldn't return ...
    Battle Bunny Battle Bunny October 2011 Sinclair Basic
  • ZX-Preview 2.0 out nowDear forum readers, I've had published a new version of ZX-Preview today, we have version 2.0 now. :-) You find it on my homepage at [url]http://www…

    ... /> =============
    [LIST]
    [*]Implementing new register tab "block info", which shows ... color pattern.
    [*]Implementing new register tab "debug info", which shows ... ", "hex editor" and "debug info" register tabs. [/LIST]

    September ...
    clausjahn clausjahn October 2011 Sinclair Miscellaneous
  • Sinclair related post on The Register[url]http://www.reghardware.com/2011/11/15/heroes_of_tech_jim_westwood/[/url]

    [url]http://www.reghardware.com/2011/11/15/heroes_of_tech_jim_westwood/[/url]
    MrCheese MrCheese November 2011 Chit chat
  • Indirect Variable AssignmentHere's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in var…

    Here's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in variables (or expressions which evaluate to variables). Some of this can already be done with VAL or VAL$, ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • A 30th Anniversary ProjectHappy new year (belatedly...) So with the 30th anniversary approaching, I've decided to do a hardware project to celebrate it. Something hands-on (o…

    ... for the counters and the register that holds the result, the ...
    Winston Winston January 2012 Hardware
  • Undefine functionHere's a routine to selectively remove variables from the VARS area and reclaim the space. This can be done partially from BASIC already by assigning…

    ... br /> call SCANNING
    inc ix
    rst $18
    ... jr z,GETARG
    push ix
    pop bc
    ... djnz NXTARG
    ld (CH_ADD),ix
    rst $18
    ret ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
  • Using the ROMs PRINT routineI really am starting from scratch again it seems, but how do you utilize the ROM routine to print characters, I think you point te BC register to an …

    ... think you point te BC register to an address containing the ...
    daveysludge daveysludge January 2012 Development
  • 2nd OpCode question.... pretty please...Whats 0xED 0x70 please? Sean's doc says: IN F,(C)* / IN (C)* That doesn't mean much to me :( Lower down in Sean's doc it says: ED 70 is IN F,(n) so…

    ... ,(n) but with the flag register?

    Is (C) = BC ...
    Korinel Korinel February 2012 Emulators
  • Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…

    ...
    xor a
    ld ix, 48460
    ld de, 17 ... /> ld a, 255
    ld ix, 48500
    ld de, 3072 ...
    xor a
    ld ix, 48460
    ld de, 17 ... /> ld a, 255
    ld ix, 56768
    ld de, 8515 ...
    Timmy Timmy March 2012 Development
  • AVG nukes stalking ads at press of BIG SHINY BUTTONEl Reg reports that users of AVG Free edition like me and 109 million others are in for a package that stops advertisers tracking us and also prote…

    ... way the cookies crumble" - The Register :-)
    Geoff Geoff March 2012 Chit chat
  • 28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…

    ... only used PUSHes of three register pairs, HL, BC and DE ... check) add AF to the register pairs that could be PUSHed ... an EXX to swap the register values that were being PUSHed ...
    AMW AMW April 2012 Development
  • Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …

    ... to high, using the HL register pair as a pointer. For ...
    Zorn Zorn April 2012 Hardware
  • NVG RevisitedEl Reg (The Register) currently has a nice front-page vortex effect illustrating one of their articles on Cookie Law [url]http://www.theregister.co.…

    El Reg (The Register) currently has a nice front- ...
    Geoff Geoff April 2012 Sinclair Miscellaneous
  • Overflow Detection while Scanning a Number from a StringI've got some strange behaviour from a subroutine that reads a number from a string and converts it to a 32-bit long. It's C's strtol if it helps to…

    ... X number in a binary register? Does multiplying by 10 mean ...
    Alcoholics Anonymous Alcoholics Anonymous April 2012 Development
  • Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code: [CODE] ;; ram-check L11DA: LD H,D ; Transfer the top value to the HL register LD L,E …

    ... top value to the HL register
    LD L,E ; pair ...
    antoniovillena antoniovillena April 2012 Development
  • Help pleeease "Proving Emulator OpCode flags are correct"So I had a cunning plan... I wanted to write a test harness for Emulators that could "prove" that all opcode flags were correct. I wanted something m…

    ... ,0x7000 //mcAddr, lAddr
    LD IX,0x8000 //xAddr
    LD B ... /> LD (HL),D
    LD (IX+0),E
    RET
    Korinel Korinel April 2012 Emulators
  • This week is 'Retro Week' on The Register[QUOTE][B]Retro Week[/B] Thirty years ago today, a pre-knighthood Sir Clive Sinclair launched his first colour computer, the ZX Spectrum, and the ea…

    [QUOTE][B]Retro Week[/B]

    Thirty years ago today, a pre-knighthood Sir Clive Sinclair launched his first colour computer, the ZX Spectrum, and the early 1980s home computing revolution got a good a shove forward like no other before it.
    < ...
    Dave_C Dave_C April 2012 Chit chat
  • Authored with FourspriterI suggest adding an "authored with this tool" register in [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0023858"]Fourspriter[/URL] referenci…

    ... an "authored with this tool" register in [URL="http://www.worldofspectrum ...
    Einar Saukas Einar Saukas April 2012 Infoseek database
  • Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …

    ... /> push hl
    push ix
    push iy
    ld ix, attributes + 768 - 16 - ( ... /> REPT 2, line
    ld ix, bitmap + 6144 - 16 - ( ... /> pop iy
    pop ix
    pop hl
    ld sp, ix
    pop af ; read ...
    chev chev April 2012 Development
  • Ten 8-bit ClassicsThe Register's Retro Week continues with these ten classics from Lucy Orr [url]http://www.reghardware.com/2012/04/25/retro_week_ten_eight_bit_classi…

    The Register's Retro Week continues with ...
    Geoff Geoff April 2012 Games
  • Big Sinclair Hardware saleHi folks, I am pruning some of my collection down to 1 boxed mint and 1 to use of each machine and as such I have the following (all working and com…

    ... be going on Ebay so register your interest quick.
    ADJB ADJB May 2012 Sales
  • JSpeccy v0.90Hi4all, A new JSpeccy version has been released at my project webpage. This new release have many corrections, some optimizations and a few new feat…

    ... model resets when the I register is loaded with a value ...
    zx81 zx81 May 2012 Emulators
  • Inside Xbox no more!I noticed a while ago that there seemed to be no new "Sent You A Message" video on the Xbox dashboard, so I looked it up yesterday and found out that…

    ... that Microsoft had cancelled the IX channels worldwide! One of the ... weeks ago to confirm that IX is no more, as were ...
    Bermondsey Bob Bermondsey Bob May 2012 Chit chat
  • AY-3-8912 emulationI am trying to improve the emulation of the AY-3-8912 in FBZX wii. I studied the code of some emulators and read some documents. I would like to be…

    ... volume.
    8 ) If the register 13 (envelope shape) is written ...
    Oibaf Oibaf June 2012 Emulators
  • Is there a DD40 instruction?On this page: [URL="http://mdfs.net/Software/Z80/Exerciser/Spectrum/zexall.src"]Z80 instruction set exerciser for Spectrum[/URL] I noticed the belo…

    ... see it:
    DD39 ADD IX,SP
    DD44 LD B ...
    Korinel Korinel June 2012 Emulators
<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
ix 1.5K 6.5K
register 4.2K 6.1K

Related Threads

  • IX register woes - or is SPIN buggy?Or am I missing something? <br /> <br /> I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to…
  • IX register - using/problemsAre there any rules on using the IX register? Are there any restrictions on the memory <br /> locations that it can access? Yes, I know it's slower t…
  • IX register wonderings...***noob alert***<br /> <br /> I'm doing a lot of these in my program:<br /> <br /> <br /> ld a,(ix+n)<br /> cp 0<br /> jp z<br /> <br /> I know you c…
  • The point of IX+1 IX+2 ?the numbers that you can add-on to IX and IY seem hardcoded, so I dont see the use of that feature?<br /> any examples of the use of IX and IY plus …
  • Index register questionDoes anyone know whether the DD / FD prefix works on the ex de,hl instruction, ie. modifying it to ex de,ix or ex de,iy.<br /> <br /> Derek
  • Index register subtractionHi,<br /> <br /> Just wondering if there a way to perform SBC HL,BC on the IX or IY registers. I can't find an op code for it, and my assembler doesn…
  • Is the IY register used by the spectrum rom?Hi<br /> <br /> I've been writing a sprite routine and have noticed that the sprite data gets corrupted at some points. I have no idea why and can on…
  • Z80 register decoding document error?Hi, <br /> <br /> I've been working on a disassembler using the following document written by Cristian Dinu (aka GOC?). <br /> <br /> [url="http://w…
  • R Register, Contended RAM and ClonesHi.<br /> I've had a quick look at the CSS FAQ but didn't spot quite what I'm looking for (also the CSS FAQ doesn't have much detail of the clones - …
  • which domain to register?I'm about to register a domain under my country's top domain. almost all of the keywords are available to buy and I'm a bit indecisive person.<br /> …

Related Searches

  • ld ix
  • ftp register
  • register error
  • forum register error
  • ix registers
  • fuse register i
  • reset register
  • add ix
  • add constant value to ix
  • call address held in register
  • ay register selection
  • register
  • register to site
  • how to register
  • r register
  • q register
  • ix 0
  • i register
  • reset ix
  • register r write

Copyright © 2024 World of Spectrum