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  • I found some games...I was clearing out my loft yesterday, and found some speccy games - are they worth anything (probably not):- Batman (Original isometric one). Stunt …

    ... how). Would this up their value?

    Cheers ...
    MurrMurr MurrMurr June 2004 Games
  • Decimals, bcd etc in z80...Working bloody full-time on my Ragnar Revival game right now - just finished the basic sprite engine and before I go on coding the actual 3d engine (…

    ... however easy to display the value in decimal format on the ...
    ekoman ekoman July 2004 Development
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... 34 tstates; the exact value for the 48K machines ... 3 tstates: write the modified value back to (HL).
    ... PC is set to this value. On an unexpanded Spectrum ... will be the idle bus value (0xff), coincidentally the ... would jump to the value in the NMIADD system ...
    Philip Kendall Philip Kendall July 2004 Development
  • ScanlinesHere's an excerpt from the FAQ: [quote] Now for the timings of each line itself: define a screen line to start with 256 screen pixels, then border, …

    ... two: a screen and an ATTR byte). The border is 48 ...
    GOC GOC July 2004 Development
  • Character SetAlright, this may not be the right forum for this question (it does sort of relate to a game which I'm trying to get working properly - long story) -…

    ... up, there is a 2byte value somewhere that normally points to ... you could poke a different value in there and make it ...
    Neil^P Neil^P August 2004 Games
  • what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…

    ... those bits to a different value than the one after machine ... port into a single hex value.

    So my question ...
    secarica secarica September 2004 Sinclair Miscellaneous
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ... from 8
    RLA ; double value (include mask)
    LD E ...
    robpearmain robpearmain September 2004 Development
  • Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …

    ... from 8
    RLA ; double value (include mask)
    LD E ...
    robpearmain robpearmain September 2004 Development
  • Techy Z80 questions****** Question 1 ****** Take the instruction SET b, (HL). This is broken down (in machine cycles) as follows (according to Microprocessor Technolo…

    ... /> M4: MemoryRead(4T) [definitely the value to be affected by the ...
    GOC GOC September 2004 Development
  • The ZX80 lives againI have often wondered if there was ever *any* commercially released software for the ZX80. I have never seen any, or even seen any info about it. Bu…

    ... ground that I'd need string arrays, which the ZX80 doesn ...
    The Mighty Dopethrone The Mighty Dopethrone September 2004 Games
  • The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…

    ... hl,table-1 ; Use JR value for high B-reg
    Dr BEEP Dr BEEP September 2004 Development
  • OT: Where should I go on Holiday? Tell me about where you live.Right, I need a holiday, I haven't been away for 2 and a half years and Im getting fed up of Burnley.Trouble is I don't know where to go. Seening as …

    ... .
    So come on, I value your opinions.
    Sharopolis Sharopolis September 2004 Sinclair Miscellaneous
  • Totally totally off-topic javascript questionEvenin' people - can anybody help me here? Internet Explorer will just not work for me with a bit o' script that works fine in Moz/Firefox. This is …

    ... is parsing characters from a string, testing to see if they ... adding it to a new string, or it just plainly routes ... them to the new string if they're non-alpha ... non-alpha characters to the string correctly. Any ideas? THe bit ...
    b00mzi11a b00mzi11a October 2004 Sinclair Miscellaneous
  • Most pointless type-in?I think it was one I saw, probably in Program Pitstop(which mag did that?), to evaluate a string as a full expression, a la the Beeb: spend hours typ…

    ... did that?), to evaluate a string as a full expression, a ...
    robert@fm robert@fm October 2004 Games
  • SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result. - pause the game - debugger - hex numbers - fill memory block - fill wi…

    ... fill the screen with 00 value, but I don't get ...
    secarica secarica October 2004 Emulators
  • sound sample rangesIf 0 is the midpoint for a range such as 127 to -128 then should the value -128 not be used for the sake of symmetry? Is this the way it is done wit…

    If 0 is the midpoint for a range such as 127 to -128 then should the value -128 not be used for the sake of symmetry? Is this the way it is done with CD music? Obviously they are not 8bit samples but the principle is the same.
    Fraser Fraser October 2004 Development
  • Free Listing Day on eBay this Thursday.Just a reminder for those that missed it. [url="http://pages.ebay.co.uk/sell/1tnov04/"]http://pages.ebay.co.uk/sell/1tnov04/[/url] They can be a ri…

    ... odds and ends of low value, you can save ?15 in ...
    thx1138 thx1138 November 2004 Sinclair Miscellaneous
  • Few games on eBay[url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=8144330869&ssPageName=STRK:MESE:IT"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&r…

    ... .

    From Beau Jolly, Value Pack, a compilation of six ...
    sdaonline sdaonline November 2004 Sales
  • BASin Release 11 out nowBASin has been updated once again, for your BASIC programming pleasure! Get it at: [url="http://homepage.ntlworld.com/paul.dunn4/BASin_r11.exe"]htt…

    ... you type "COPY" into a string, you can tokenise it to ... - The Editor will now display string literals using the characters pointed ... where you are in the string, and every 32 characters a ... . Just type a numeric or string expression at the editor, and ...
    Dunny Dunny November 2004 Emulators
  • Spectaculator Cassette RecorderOn the misc section, someone asked about options to play back tzx files apart from TAPER. I gave him the answer that there aren't many. The best I ha…

    ... , then that isn't great value.
    I admit that I ...
    Spector Spector November 2004 Emulators
  • New Functions for Sinclair BasicA total of 52 new functions can be added to Sinclair BASIC; 26 numeric functions (A-Z) and 26 string functions (A$-Z$). Owing to the internal structu…

    ... hex4$[/i] = 4 digit hex string ("0000"-"FFFF")
    [i]posint8 ... [/i] = non-null 1 character string
    [i]string2[/i] = ... 2 character string
    [/code]

    [b ... />
    [b]LEFT$[/b]([i]string,number[/i])
    [code]
    chev chev November 2004 Sinclair Basic
  • Is the IY register used by the spectrum rom?Hi 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 only guess tha…

    ... need to hold a certain value if interupts are enabled, and ...
    dmsmith dmsmith November 2004 Development
  • rip off or value for moneyhello everyone I am slowly starting to get my sinclair spectrum collection together again when i noticed this auction on ebay 8154099500 are these g…

    hello everyone

    I am slowly starting to get my sinclair spectrum collection together again when i noticed this auction on ebay 8154099500 are these games as rare as the seller makes out or are they just trying there luck. I thought ultimate ...
    ape ape December 2004 Sinclair Miscellaneous
  • Elite RZX filesHi there, I'm thinking ahead to the 1985 chapter of the documentary, and one thing I want to concentrate on (well, dedicate 32 secs to anyway) is El…

    ... everything just for the inspiration value :)

    Please email them ...
    NickH NickH December 2004 Games
  • Michael Jackson - RARE GAME! [url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=50224&item=8164647292&rd=1"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&category=…

    ... person dosen't know the value of this game, snap it ...
    Adventurer Adventurer January 2005 Games
  • Sinclair QL infoAnother of Sir Clive's failed experiments, but while I know this machine is a collectible, does it have any real value as a machine ie. was there any…

    ... , does it have any real value as a machine ie. was ...
    Spector Spector January 2005 Sinclair Miscellaneous
  • Anyone help re-factoring a tile functionI had some excellent feedback for re-factoring my function that displays the colour for my screen tiles. Can anyone offer some help to improve the fu…

    ... /> MAPLUMODIFY LD HL,(MAPLOOKUP) ; This value is modified by the code ...
    Mr Millside Mr Millside February 2005 Development
  • Write to ROM=crash?I've read in quite a few places that writing to the ROM causes a crash but on the assembly listing the comments for poke say: "Happily no check is ma…

    I've read in quite a few places that writing to the ROM causes a crash but on the assembly listing the comments for poke say:
    "Happily no check is made as to whether ROM or RAM is addressed."

    Does this mean that pushing a value when SP
    Unique Unique February 2005 Development
  • Can't tune into spectrumHi - I recently discovered an old ZX Spectrum in amongst a load of junk (it's the 48K version). Not sure whether it works yet because when I try to t…

    ... -ve, without actually displaying any value other than 0). This oscilation ...
    IglooGuy IglooGuy February 2005 Sinclair Miscellaneous
  • PLATFORM GAME DESIGNER - and about bloody time tooPlease feel free to raid Roger's Profanisaurus for rude names to call me for taking so long to get this sorted... PLATFORM GAME DESIGNER is now ava…

    ... it's still damned good value for money. The majority of ...
    chaosmongers chaosmongers April 2005 Games
<1…18192021222324…34>

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