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<1…3456789…34>
  • How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…

    ... rom font of 256 are 32 (space) to 127 so 95 characters ... . Does this apply to udgs too? It also says ... it's 21 characters (144 to 164).

    Yes, on ... font in RAM and pointing to it via the System Variables ...
    rich_chandler rich_chandler February 2014 Development
  • Another scam emailJust got another one of 'those' emails. Love email addy 'Frank Smith [fex.courier.company@gmail.com ]' Anyway... I want to inform you that the …

    For anyone with some time to kill over a coffee, I ... a shining example of how to string along these 419 scammers:
    to scam. Some even end up ...
    Amfoot Amfoot March 2014 Chit chat
  • Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …

    ... POKE 22528 + 1 + ( 2 * 32 ) , 255 to be the equivalent of a ... character, is include a space to the left or right of ... two characters you're printing, to over-write the previous position ...
    joefish joefish June 2014 Sinclair Basic
  • Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …

    ... POKE 22528 + 1 + ( 2 * 32 ) , 255 to be the equivalent of a ... 'd structure the code not to need that. E.g. you ... you just need to add or subtract 32 to move up or down ... a line, or 1 to move ...
    ccowley ccowley June 2014 Sinclair Basic
  • UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…

    ... 15616. Character codes run from 32 (SPACE) to 143 (the last graphics ...
    Now re-direct CHARS to 64216 with:
    [CODE]POKE ... character set.

    Now to address a character, use 64216 ... characters right through from code 32 to code 164 since they're ...
    joefish joefish June 2014 Sinclair Basic
  • Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…

    ... I found was it failed to process AND and OR within ... />
    Fix for AND is to string together IF ... THEN IF .... THEN ... /> Fix for memory issues was to compile multiple smaller programs, eg ... one to draw the screen, one for ...
    Pobbit Pobbit June 2014 Sinclair Basic
  • Latin-1 font for FZXI'm currently creating some [URL="http://en.wikipedia.org/wiki/Latin-1"]Latin-1[/URL] (ISO 8859-1) characters to be added into [URL="http://www.world…

    ... font. Zaibatsu has characters from 32 (space) to 127 (copyright) only, but ... the 160 (non-breaking space) to 255 (?) range.

    [QUOTE ... matters. The later refers to characters added to the 7-bit ASCII ...
    TK90XFan TK90XFan July 2014 Development
  • clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…

    Assuming you want to clear both bitmap pixels and ... zeroes
    ld bc,32 ; dist to next pixel line or attrib ... ]

    If you want to clear attributes only, change the ... />
    Or if you want to erase bitmap pixels only, change ...
    Einar Saukas Einar Saukas October 2014 Development
  • clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…

    ... column
    add a,32 ;next row
    ld ... /> 20 FOR r=0 TO 23: PRINT "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@": NEXT r ... 798454]Assuming you want to clear both bitmap pixels ...
    ld bc,32 ; dist to next pixel line or ...
    Atari_Jetman Atari_Jetman October 2014 Development
  • clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…

    ... Saukas;798454]Assuming you want to clear both bitmap pixels and ... zeroes
    ld bc,32 ; dist to next pixel line or attrib ... rows
    ld bc,32 ; dist to next pixel line or attrib ...
    Mr X Mr X October 2014 Development
  • Microdrive usageAnyone here know about microdrive files? Had a few carts in, all have stuff on, heres an example cat 1 with the error message i get for every single …

    ... three routines from pages 16,32,35 of Andy Pennell's ... Microdrive book which combine to provide an extended Microdrive CAT ... PRINT INVERSE 1;"Title: ";z$( TO 10)
    5030 LET z ... $=z$(13 TO )
    5040 IF LEN z ...
    Battle Bunny Battle Bunny November 2014 Sinclair Miscellaneous
  • Speccy Vs Amstrad CPC Vs C64I hope no one minds me posting this here as well as in the announcements section. I'll delete it if there is a problem. It's childish fun but can I …

    ... tune at the beginning to encourage people to Load the thing. There ... very little gameplay, never much to engage the player - or promise ... . You never know what to expect from a Speccy game ... />
    Even the Dragon 32 manages to achieve greatness with it's ...
    Graz Graz November 2014 Games
  • 64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…

    ... /> then push other 3 lines (32 bytes) to screen
    char char December 2014 Development
  • Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…

    ... L:254 Warning:#8:Converting integer to pointer without cast
    ... L:261 Warning:#8:Converting integer to pointer without cast
    ... L:294 Warning:#8:Converting integer to pointer without cast
    integer to pointer without cast
    slenkar slenkar February 2015 Development
  • RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…

    Well, this was dumb.
    [quote="JamesD;834985"]...
    [spoiler][code]
    lda #32 ;point to next line
    tay
    ...
    lda #64 ;point to next line
    tay
    etc...
    [/code][/spoiler]
    [/quote]
    JamesD JamesD September 2015 Development
  • Why were there no SN76489-based sound interfaces for the Speccy?I’ve been wondering for a while now why there were no SN76489-based sound interfaces for the Spectrum. Does anyone here have an explanation? There…

    ... ]

    You might have to look at price and availability ... ports that could be used to interface other things and writes ... exceedingly slow -- it took 32 cycles to perform a single write operation ... which had 4 cycle writes to achieve 8 cycles at 1MHz ...
    Alcoholics Anonymous Alcoholics Anonymous October 2015 Hardware
  • Why were there no SN76489-based sound interfaces for the Speccy?I’ve been wondering for a while now why there were no SN76489-based sound interfaces for the Spectrum. Does anyone here have an explanation? There…

    ... a high clock rate to execute instructions to generate the timing for ... it takes 32 cycles to write a byte to this part. To interface you ... cpu and the part to buffer io to generate correct timing ... but io writes are stretched to 32 cycles this way. Maybe this ...
    Alcoholics Anonymous Alcoholics Anonymous October 2015 Hardware
  • Why were there no SN76489-based sound interfaces for the Speccy?I’ve been wondering for a while now why there were no SN76489-based sound interfaces for the Spectrum. Does anyone here have an explanation? There…

    ... a high clock rate to execute instructions to generate the timing for ... it takes 32 cycles to write a byte to this part. To interface you ... have to either slow ... cpu and the part to buffer io to generate correct timing ...
    cbmeeks cbmeeks October 2015 Hardware
  • 1986-2016.I'm early, but I'm tired of 1985. So here's the annual thirty-years after topic about Speccy games.

    ... b]Paul Hargreaves[/b] seems to be a great programmer, ... the gameplay is reduced to an endless wandering in ... it's very rare to find the elements that ... to end the game [[b]32 locks to be destroyed[/b] to ... . So, anyway, thanks to the technical prowess in display ...
    WhenIWasCruel WhenIWasCruel December 2015 Games
  • Three versions of ZubWhile watching this week's Chinnyvision video on Zub I found myself frowning when he came to look at the Speccy version because despite having owned …

    But what about the inlay artwork, that would've taken time and money to alter - they then would have time to punch in 32 bytes to make the O a U.
    MatGubbins MatGubbins December 2015 Games
  • Three versions of ZubWhile watching this week's Chinnyvision video on Zub I found myself frowning when he came to look at the Speccy version because despite having owned …

    ... then would have time to punch in 32 bytes to make the O ... tape was being sent off to Mastertronic for final approval and ...
    chinnyhill10 chinnyhill10 December 2015 Games
  • Problem with BC corrupting after DJNZJust for fun, I'm messing around trying to get the level maps from Lemmings to display on the screen with machine code. It's been ages since I did an…

    ... /> LD BC,32 ; SET THE COUNTER FOR 32 CHARS
    ... br /> LD BC,32 ; 32 CHARS TO THE NEXT MAP LINE ... ; 511 MORE CHAR SQUARES TO GO
    LDIR ; ...
    Includes the code to load Lemmings levels from the ... />
    I started to doing this because I was ...
    mulder mulder January 2016 Development
  • Which peripheral listened on port $9f from back in 1984 (Chuckie Egg related)Hi Apologies if this is in the wrong section, please feel free to move it to the correct one if so. I've been looking through the Chuckie Egg c…

    ... of these, to build a word you need to string the phonetic parts ... together.

    10 FOR a=1 to ...
    kenwonders kenwonders March 2016 Hardware
  • Which peripheral listened on port $9f from back in 1984 (Chuckie Egg related)Hi Apologies if this is in the wrong section, please feel free to move it to the correct one if so. I've been looking through the Chuckie Egg c…

    ... of these, to build a word you need to string the phonetic parts ... together.

    10 FOR a=1 to ... it is I've managed to find a review of the ...
    cmonkey cmonkey March 2016 Hardware
  • LED STORM - problem with infy energy poke (128k version)Hi guys, I'm having a little trouble with this infinite energy multiface poke found on Tipshop (POKE 37422,182) for the 128k version of Led Storm, it…

    ... /> I need an invincibility poke to do it.
    [/quote]< ... /> This may help you to finalize level 32 ?!
    [/quote]
    < ... br /> Thanks mate, yeah it was enough to ... get me past level 32 but to my annoyance ...
    ZEUS ZEUS April 2016 Games
  • LED STORM - problem with infy energy poke (128k version)Hi guys, I'm having a little trouble with this infinite energy multiface poke found on Tipshop (POKE 37422,182) for the 128k version of Led Storm, it…

    ... was enough to get me past level 32 but to my annoyance ... it could possibly go up to 99???
    Have you ... 3 Hours last night to find the superzapper Poke.< ... I´ll find time to play this that further.< ...
    But I could try to ask the original author Boris ...
    Luzie Luzie April 2016 Games
  • LED STORM - problem with infy energy poke (128k version)Hi guys, I'm having a little trouble with this infinite energy multiface poke found on Tipshop (POKE 37422,182) for the 128k version of Led Storm, it…

    ... was enough to get me past level 32 but to my annoyance ... it could possibly go up to 99???
    Have you ... 3 Hours last night to find the superzapper Poke ...
    But I could try to ask the original author Boris ... ´ll write a email today to him.

    [/ ...
    ZEUS ZEUS April 2016 Games
  • Unseen Gargoyle images etcI have some stuff which is not archived including a few advertising posters including for games never made, some images, test play copies of some gam…

    ... that one has taken you 32 years to crack...
    Cernos Cernos September 2016 Publishers
  • Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…

    ... unsigned 16-bit value to an ascii string using any radix. (choosing ... , compute_lp

    ; write digits to string

    ; ix = char *buf ... remainder and the remaining number to convert to string in the dividend. Keep ...
    Alcoholics Anonymous Alcoholics Anonymous September 2016 Development
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