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<1…13141516171819…34>
  • Anyone interested in any of this before it goes on eBayI'm having a clearout, and am going to put this lot on ebay tonight. But as its basically my childhood I'm selling I thought I'd check here and see i…

    ... />
    See here for background on the keyboard, including reviews from ... other keyboard in its price range. The stepped keys and space ... , boxes, circles and freehand on your TV screen. Everything is ... as well as modify the memory of running games, and includes ...
    teamemark teamemark June 2010 Sales
  • 48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…

    ... a bit of a tangled memory map at a chip ... high or low depending on what batch of chips ... a working ULA (subsequently tested on another speccy), a working ... loci in the upper address range and got the same ... attempt to isolate where the break was, it is probably ...
    Womble Womble August 2010 Hardware
  • I think I just blew my big break...I got this offer to re-write a TV show, 8 episodes mini-series... and suposedly I should have finished the treatments of all 8 episodes till this wen…

    ... got this offer to re-write a TV show, 8 episodes ... excuse that I'm working on another project for the same ... and just blew my big break as a script writer...
    VanTammen VanTammen October 2010 Chit chat
  • Loading a screen in to memory...Hi Folks, I want to load a SCREEN$ in to memory and save it out to RAM disk without it being displayed on the screen. I am worried about over writi…

    ... load a SCREEN$ in to memory and save it out to ... displayed on the screen. I am worried about over writing BASIC memory ... [/B] with [B]CODE[/B] break that link?

    Or ...
    Paddy Coleman Paddy Coleman December 2010 Sinclair Basic
  • SpecBAS 0.646 now available.Yay! Here's another round of bugfixes and additions to the Program. Not so much of the extract coding features, but more back-to-basics this time: […

    ... the whole program or a range of lines, with GOTO/GOSUB ... at the next statement after BREAK was detected.
    READ ... in size) from and to memory banks.
    Inline ascii characters ... and miss.
    Thread affinity on windows - SpecBAS was running both ...
    Dunny Dunny May 2011 Sinclair Miscellaneous
  • Sandbox games (Speccy and non-Speccy)A subject that came up today was what does the term 'sandbox' game mean? I'd originally thought that a sandbox game was one where you built thing up …

    ... with the pedestrians, etc. Your range of actions are very limited ... sandbox game. I suppose that on the Spectrum, the closest would ... vice versa, attack people, and write on black boards). Fairlight had a ... game? The lack of computer memory of the 8bits no doubt ...
    ewgf ewgf September 2011 Chit chat
  • Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …

    ... possibility of paging blocks of memory to and from disk. Imagine ... OS would compare process memory bitmask to the memory track from OS ... by IPC. If you can write your software into multiple modules ... have 500 KB software executing on ZX Spectrum. Thoughts?
    tstih tstih October 2011 Development
  • Football Director - Staying on easy levelUsing Spin load the tzx file from the WOS archive. Wait for the game to load fully and the main menu appears. From the emulator's tools menu select p…

    ... 's tools menu select poke memory.
    Enter the address as ... finish
    You can now break into the program using shift ... /> The game will now stay on easy level!
    You can ...
    Rebelstar without a cause Rebelstar without a cause March 2012 Games
  • What if there was no memory or space limitation?What if there was no memory or space limitation? We've had topics about the limitations of the Speccy's hardware, topics where we discussed how good …

    ... something on a computer which such a low amount of memory, how ... had an extreme amount of memory, paginated, at the disposal of ... ESXDOS and freedom to read/write files to mass storage without ... have a virtual amount of "memory" at our disposal. How better ...
    zxbruno zxbruno May 2012 Sinclair Miscellaneous
  • Imperica Horizons - The whole weekend :-)So now it's all over, I'll do a quick writeup... It all started for me at 5.20 am. Getting to London from Devil's Island isn't so easy now that Aer …

    ... chosen, with a wide range of talks, some deeply ... using tracker software running on a Speccy. Someone in ... check over the lunch break. I had tested absolutely ... need to do to write a really good looking ... hardware during the proceedings on Sunday (and also finally ...
    Winston Winston May 2012 Sinclair Miscellaneous
  • Quick question regarding contended memoryIf I've read the documentation correctly, the following applies: 128k/+3 "Memory banks 1,3,5 and 7 are contended" +2A/B/+3 "RAM banks 4, 5, 6 and 7…

    ... :

    128k/+3
    "Memory banks 1,3,5 and ... want to write code that runs at full speed on all machines ...
    Sdw Sdw May 2012 Development
  • L Break Into Program, 0:1 BlogThis is very much a work-in-progress but it's got a load of Z80 code I'm in the progress of writing, including some fast vector graphics primitives (…

    ... 've also got some info on the hardware based upon my ... and write for clarity then optimise for speed. The code on the ... ://wordpress.animatez.co.uk"]L Break Into Program, 0:1[/URL ... is to update the blog on a regular basis. Enjoy!
    d1n0 d1n0 July 2012 Announcements
  • How to check the whole memory on a +2 greyHi everybody!!! I suspect that i have a bad memory chip on my +2 Grey. Does anybody know if exist any utility to check the whole memory? Thanks a …

    Hi everybody!!!

    I suspect that i have a bad memory chip on my +2 Grey.

    Does anybody know if exist any utility to check the whole memory?

    Thanks a lot!!!
    ehontecillas ehontecillas January 2013 Hardware
  • 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…

    ... partition [ Data-003 ] on the left and then ... header, we could just write one from scratch, however ... quite simple, but I will break this down.

    memory and sets RAM TOP, ... the VERIFY command (more on this in another tutorial ...
    Zetr0 Zetr0 January 2013 Games
  • Contended Memory woes...Hello All, An iccle problem I have and was hoping one of you fine WoSers could bail me out again... :) I've noticed that my emulator is running sli…

    ... an issue with the contended memory not working as it should ... ]

    I implemented contended memory simplistically but I'm wondering ... read (by byte)
    RAM write (by byte)
    Port read ... and if so I slap on the appropriate amount from the ...
    Korinel Korinel June 2013 Emulators
  • Hardware description - BETA DISK interfaceExist more versions and clones of BETA DISK interface. Beta disk 48, beta disk 128, brasilian clones of beta disk 48, russian clones of beta disk 128…

    ... with own external rom memory 16kB, based on FDC controller WD1793. ... jump to rom area in range #3D00 - #3DFF then ... tr-dos rom memory)
    BETA128 use on throught connector ... /> Control port #FF(255) for write
    ------------------------------
    bit 0 + ...
    velesoft velesoft August 2013 Hardware
  • Toastrack/Grey +2 physical memory layoutI'm looking to extend the functionality of the test ROM used with Winston's diagnostic board to also properly test the RAM of toastrack and grey 128K…

    ... be able to able to write to screen the specific IC ... (once the base 16K tests on any machine pass, we can ... clear to me how the memory is physically laid out.
    memory.

    Could anyone fill ...
    balford balford February 2014 Hardware
  • TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…

    ... the BASIC program in memory to a TAP file. ... need of an assembler re-write.

    Anyhoo ... /> Features:[list]
    [*]Works on any Spectrum emulator model which ... of commands in the range DEF FN (206) ... to match any original on-screen formatting.
    ...
    Battle Bunny Battle Bunny March 2014 Sinclair Basic
  • Timex contended memory timings, the TS2068 kludge board and EXROM at $4000 - $7FFFI haven't seen this documented anywhere yet so I thought I'd share my findings. I've been investigating contended memory timings on the Timex Sinclai…

    ... I've been investigating contended memory timings on the Timex Sinclair 2068 ... the Timex SCLD still applies memory contention at these locations ... in port F4 when applying memory contention; contention is applied ... the CPU would read or write to the VRAM at those ...
    rga24 rga24 May 2014 Hardware
  • New from Paul Farrow, the ZXC4This is exciting stuff!!!! Sorry if ive stepped on your toes Paul, wanted people to hear about it!!! [QUOTE]Hi I?m happy to announce the release o…

    ...
    Sorry if ive stepped on your toes Paul, wanted people ... next evolution of the ZXC range of ROM cartridges. There ... character set bitmaps down in memory (hence improving program compatibility).< ... preventing the need to write a whole compilation in one ...
    Macc Macc July 2014 Hardware
  • Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…

    ... will write the ASM for me based on a ... bufferStr
    for i in range(self.bufferHeight):
    self. ... br /> for i in range(self.numRowsToCopy):
    ... the registers to populate screen memory
    numRegs = ...
    KrazyKattapilla KrazyKattapilla August 2014 Development
  • Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…

    ... BucScan[/code]

    On the other hand, the algorithm ... 1,0, and so on (The C64 has 40 ... Y1 Y0

    Memory address (ZX Spectrum arrangement)

    Memory address (C64 arrangement)
    ... and this is why I write this post, I have ...
    mcleod_ideafix mcleod_ideafix September 2014 Development
  • Creating a ZX Spectrum Development Environment on Mac OS XI’ve been using a Macbook for a while now and am so impressed with it I decided shift my ZX Spectrum development from PC. It took me a little while t…

    ... and install this first, instructions on website.

    After ... simplify but I prefer to write my own.

    The ... FUSE, hopefully you’ve turned on fast load.

    [ ... what went wrong or what memory position the labels are at ...
    TomD TomD July 2015 Development
  • Removal of "reset on break" protection (old basic program)Hi, Long time lurker, here! This is hopefully quite simple but there's an old basic game in the I'd like to bring up to date / take a look at …

    ... try to caps shift+space = break into it, it causes a ... a bit of looking around on this subject in some old ...
    briscaF1 briscaF1 August 2015 Sinclair Basic
  • Why do we have to live with colour clash on the Spectrum Next - if it ever gets sold!I can fully sympathize with those who would like to see a 'new' Spectrum, presumably modelled on the last and best version with perhaps the option to…

    ... a 'new' Spectrum, presumably modelled on the last and best version ... the extras, more memory, more speed, SD card read/write, various color ... it isn't a problem on todays machines and since ... the ingenuity expended on graphics is probably based on the necessity to ...
    mik3d3nch mik3d3nch November 2016 Chit chat
  • HILOW Interfaces informationHi recently i came across the HiLow tape interfaces, this units where build and sold on Uruguay by the same team that developed games like NarcoPoli…

    ... units where build and sold on Uruguay by the same team ... .

    They break the plastic posts on the tape drive so ... " do a memory snapshot when the red button on the drive is ... metod any speccy software can write to the tape drive.
    soviet9922 soviet9922 November 2016 Hardware
  • ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…

    ... /> I did originally write the compressor in ASM ... br /> // allocate enough memory for screen
    if(( ... ); // move dictionary check pos on one
    }
    ... }
    //
    // break out checks
    if((buffer_sc ...
    TomD TomD April 2017 Development
  • 128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…

    I've been pondering on the 128k memory thing a bit, ... />
    The 64k memory space is divided in four ... Third is fixed to usable memory. Fourth is the bankable ... be in the always-resident memory (the fixed 16k + ... this means I could write those sub-programs as ...
    Sol_HSA Sol_HSA May 2017 Development
  • z88dk : FIle Handling in C on the +3e environment under Win 764bitHello my fellow WoSers! I am wondering if someone can help me solve this little pickle of z88dk / Windows using +3e Filesystem. So a little inf…

    ... ("Error Cannot open FILE to Write\n");
    }
    ... br />
    I can write to and read from this ... lump the bin in the memory of the system but ... So the program prints out on the screen "Writing text to ... BASIC - sadly no output on the disk at all... not ...
    Zetr0 Zetr0 June 2017 Development
  • Memory Contention: A Hypothetical Fix?I have just had this crazy thought: If one were to wire an additional memory chip, say a 6264 8Kx8 SRAM, in parallel with the main memory so that it …

    ... to wire an additional memory chip, say a 6264 ... main memory so that it sits in the range starting ... Z80 reads from main memory, it might be ... reduce the effect of memory contention considerably. Possibly with ... the address is the same on both memories.

    The_Bert The_Bert September 2017 Hardware
<1…13141516171819…34>

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