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 0.015s
<1234567…34>
  • Z80 assemblerIf I do this [code] LD BC, 0002h [/code] is B=0 and C=2, or the other way around? does it disassemble to 01 00 02 does it disassemble to 01 02 00

    ... order, but in the core memory it's saved the other ... -byte quantities are stored in memory. There are two ways to ... $02 is stored in the lowest memory location and the most siginificant byte ... stored at the next higher memory location. So LD BC,$0002 assembles ...
    Alcoholics Anonymous Alcoholics Anonymous December 2009 Chit chat
  • Data at the top of memoryWhilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available m…

    Whilst viewing memory locations on the "Spin" emulator I noticed data starting at 65336. Does a "real" ZX Spectrum 48k use the top end of available memory ? If so, what is the last memory location that is safe to use ?
    Mr Millside Mr Millside February 2005 Development
  • What should be the base address to set for my codeHi, I am new here and I have a simple question but one which I have not found an answer to. When I am developming my programs what should I set th…

    ... information I have for the memory map for the spectrum and ... that the area of the memory assigned to machine code can ... I start it at the lowest fixed location that I can to ...
    Scrapheap Scrapheap April 2006 Development
  • MemoryWhat is the highest memory location on a 16k spectrum ?

    What is the highest memory location on a 16k spectrum ?
    Mr Millside Mr Millside December 2009 Development
  • Loading the display with data from memoryTrying to load part of the screen(4k's worth) with data from memory location 53000, I've written this routine, but it doesnt work... [I]ld b,4000 ld…

    ... 's worth) with data from memory location 53000, I've written this ...
    daveysludge daveysludge January 2012 Development
  • 48k Memory MapIs there a link or info anywhere that explains the 48k memory layout? My game uses double buffering and I'm trying to decide where the best memor…

    Is there a link or info anywhere that explains the 48k memory layout?

    My game uses double buffering and I'm trying to decide where the best memory location should be.
    Atari_Jetman Atari_Jetman September 2015 Development
  • Divide by 16 problem...I think.I *think* I have a problem with division. Now, this is not for the Spectrum but it [i]is [/i]for another Z80 platform. I'm converting [b]Speccies …

    ... under certain conditions or the memory location for spr_x being zeroed or ... approach below to combine the lowest 4 bits (Lo nybble) of ...
    dbolli dbolli July 2015 Development
  • Help! I'm learning Machine Code...Having decided to take the plunge and learn to machine code a while ago, I have started in earnest using the much recommended 'Mastering Machine Code…

    ... low byte found in that memory location are the value you just ... with is changed. [b]From lowest address up:[/b]
    [code ...
    RetroTechie RetroTechie February 2016 Development
  • Line DemoI was looking in the source code of another game (that Akalabeth game), with lots of line drawings. The difference was that they don't use the PL…

    ... working on, is at the lowest possible memory location.
    The_Bert The_Bert September 2016 Sinclair Basic
  • AY musicThis is a format I'm proposing for an AY music player. If anyone can see any problems or anywhere it can be improved please say so. An AY music form…

    ... 2byte values containing the instrument memory loaction offsets plus a final ... at the bottom of the memory 16k in the top page ... can be used at any memory location. Thus all the information regarding ...
    cyborg cyborg October 2001 Sinclair Miscellaneous
  • BASin Release 6 available for DownloadHi all - It's another cut'n'paste from CSS :) I've been tapping away again, and seeing as a couple of people have recently seen BASin's latest bits…

    ... them).
    Added a simple memory viewer - readonly atm, but will ... (faster than an expression) and memory location bytes, words and DWords.
    Dunny Dunny June 2003 Emulators
  • Deduggers in emulatorsI've used several emulators with build-in debuggers, and now I want to share my opinion. Debugger in Spectaculator 6.0 is great! The interface is nic…

    ... easy. I very like that memory addresses are hyperlinks. "Go ... allow to return to previous location, very usefull. But I ... scrollbar to get to some memory location. "run to selected" function ... breakpoint, but still fine. "memory hex display" and "hardware info ...
    kmatveev kmatveev February 2004 Emulators
  • Setting the borderCan someone tell me best way to set the border to a given colour using machine code. Its there an operating system call or can I load up a memory loc…

    Can someone tell me best way to set the border to a given colour using machine code. Its there an operating system call or can I load up a memory location. Thanks.
    Mr Millside Mr Millside February 2005 Development
  • Spectrum Key Codes?Hi guys, I have just been reading up about the Sinclair Keypad that was released to accompany the 128K. I read this on the a website, this was refe…

    ... System Variable named LAST_K at memory location 5C08h'.

    Now I ... ? And is there a specific location they are held? Like noted ...
    KeepGood KeepGood October 2005 Sinclair Basic
  • Calling ROM routinesFirstly, sorry if this is the wrong forum to post this in, but I wasn?t quite sure under which heading is best fitted. I?m trying to figure out how…

    ... variable in any random memory location, and put that location into CH ADD ...
    trellis trellis July 2006 Development
  • Patch for Platform Game DesignerTwo minor bugs in the block designer have recently come to light in the Linear Game Designer, version 1.2. It appears that blocks 0 - 127 appear cor…

    ... code is testing the wrong memory location and consequently doesn't work ...
    jonathan jonathan December 2006 Development
  • Printing UDGs in BASICAfter looking a little through Winer Milly's code, it struck me that I might be able to speed up my Cybernoid editor by replacing: FOR a=0 TO 31: PR…

    ... the tile graphics stored in memory location in a UDG type format ... it points to the relevant memory location. I then PRINT CHR$ 32 ...
    48K 48K March 2007 Sinclair Basic
  • A New 21 UDG Plotter BASIC ProgramHello All, Here goes... My first proper Spectrum program for 20 years! And the reason why I've been asking about multiple banks of UDGS recently. …

    ... Shift+5678=Plot
    M=Memory location I=Ink G=Define Graphics ...
    Phil2 Phil2 June 2007 Sinclair Basic
  • How does the Speccy deal with the Character Set?Hi All, Can anyone spare a little time to explain to me the basic Assembly method of how the Speccy interprets and retrieves Characters to print on …

    ... character set is accessed via memory location 23606. Here the 'pointing' register ... each character within the character memory area and jump around the ... " to a typical screen display location such as 16384?

    Jagd Tiger Jagd Tiger February 2009 Development
  • DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…

    ... /draw command eats too much memory.

    So I want ... insert converted jpeg graphics into memory, however after reading the +3 ... idea how to print the memory to screen (Graph mode will ... to call print on a memory location range in a for loop ...
    brownb2 brownb2 May 2009 Sinclair Basic
  • Z80 'EXX' ConfusionI was working on a little Z80 routine last evening, and, having run out of registers, resorted to sticking one of the values into a memory location a…

    ... of the values into a memory location and doing a little pushing ... swapped my use of a memory location and the stack for some ... a few bytes to a memory buffer, deliberately using HL as ... both a memory buffer pointer and as a ...
    RoseCotton RoseCotton November 2009 Development
  • Chase HQ Pseudo 3d road algorithm ?Hello, I'm new to that forum and to the spectrum. I'm developping games for Colecovision (may be you hear about : Ghost'n Zombie and Smurf challe…

    ... some value at some specific memory location.

    So does somebody ...
    youki youki February 2011 Development
  • Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …

    How do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and ink but can't figure it out.

    Sincerely,

    Ooze48k
    ooze48k ooze48k June 2011 Development
  • Move objectHi again, I am using paper colors to represent game objects. I have a "paddle" that is 4 pixels wide. I save its position as a 2 byte word in memory…

    ... a 2 byte word in memory location 32992. When the game is ... pixel is set to screen location 23248. A loop draws the ...
    ooze48k ooze48k June 2011 Development
  • Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…

    ... ;LOAD HL WITH STACK POINT LOCATION
    LD SP, HL ... ;LOAD HL WITH ADDRESS STRING LOCATION
    CALL ASCII ;PRINT ... /> POP HL ;RETRIVE THE ADDRESS LOCATION

    NEW_ADDRESS
    LD (HL), B ;LOAD MEMORY LOCATION (HL) WITH DATA IN B ...
    Robin Robin August 2011 Announcements
  • 4116 SRAM replacement (and ULA timings).As mentioned in another thread, I have spent quite a lot of time experimenting with different circuits and components for using a static RAM IC to re…

    ... , but once a particular location has started flickering it tends ... a different, but related memory location when the incorrect pixels are ... I can only suppose that memory access timings for the 5C112E ... ULAs that may affect their memory access. I rather suspect ...
    Zorn Zorn February 2012 Hardware
  • 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. …

    ... and modifying each possible RAM location, from low to high, ... it did then the tested memory location must be faulty and ... starts again, testing the next memory location. Otherwise, the loop terminates. ... be the highest working RAM location.

    I ...
    Zorn Zorn April 2012 Hardware
  • Vote for the Timesplitters (if you like great games!)Since it's looking less and less likely that we're going to see a new Timesplitters game ([URL="http://www.edge-online.com/news/free-radical-execs-sl…

    ... , so they wrote for the lowest memory pool (the PS2). With a ...
    ewgf ewgf November 2012 Chit chat
  • Adding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…

    ... code]This command clears the memory and sets RAM TOP, this ... change this to a "location:filename" for it to ... change this to a "location:filename" for it to ... to jump to the memory location of 28672 and execute ... I have not declared a location i.e. "C:filename" ...
    Zetr0 Zetr0 January 2013 Games
  • JSW1 - Changes Between ReleasesHere is a list I'm working on of differences between JSW versions. I'm not currently 100% sure what all the changes do although by using one of the J…

    ... sensible to read:

    Memory Location (decimal) *** Pre-Release Version *** Normal ...
    spider spider September 2013 Sinclair Miscellaneous
<1234567…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
lowest 873 966
memory 21.8K 32.5K
location 3.5K 4.8K

Related Threads

  • Location, Location, Location.Guys,<br /> <br /> Quick question.<br /> <br /> Im starting to plan my game (as stated in a previous post). You are trapped in a house with zoombies …
  • 32k memory Italian memory expansionNot mine but its an [URL="http://www.ebay.co.uk/itm/TENKOLEK-32K-RAM-Expansion-Sinclair-ZX-Spectrum-/320861810075?pt=UK_VintageComputing_RL&amp;hash=…
  • Basic listings memory occupationI remember readong someplace that due to basic's representation of number, in a program, in order to save space, it was better to represent integers …
  • What's you happiest speccy related memory?Mine would have to be coming home from school at lunchtime with a couple of friends, loading up manic miner or commando for a quick 30 minute game-pl…
  • Funniest Speccy related memoryOkay, there maybe won't be that many, but I have a couple that might conjour up some jolly jape memories.<br /> <br /> 1. Walking home from school wi…
  • What is your worst Speccy related memory?We've had the good times, but there were bad times too. I will give you two choice cuts from my back catalogue...<br /> Over at a friends house, want…
  • Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency.<br /> As we all know the start of the RAM is at 16384 which …
  • 128 Memory PagingI'm having a problem getting my brain around paging. Well, actually the bit I don't understand is how reading I/O ports works! I hope the collective …
  • ZX80/81 memory expansion and 48k + Lightpen for saleAll are in original packaging and the lightpen has it's software and manual.<br /> <br /> The memory expansion is a 16k one.<br /> <br /> E-mail me a…
  • memory is filled up under Win XP when opening many filesDear friends,<br /> <br /> I have the big and strange problem that ZX-Rainbow's game scanner is not working properly under Windows XP. I figured out …

Related Searches

  • lowest memory for code
  • lowest memory position for machine code
  • lowest memory position machine code
  • lowest memory machine code
  • lowest memory code
  • lowest memory
  • memory map
  • led storm memory
  • room location
  • game location code
  • location updating
  • 128 memory
  • z88 read memory
  • 128k memory
  • memory refresh
  • graphics set high in memory messing up
  • graphics high in memory messing up
  • stack pointer location
  • stack pointer location asm
  • lowest clear location

Copyright © 2024 World of Spectrum