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<1…12131415161718…34>
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... to be written. You'll note that this entire line involves integer ... () is used (C is always integer arithmetic unless there is a ... present in z88dk's string library) memopi() to copy the 6-byte ... can be identified by an integer from 0-9 (as documented ...
    Alcoholics Anonymous Alcoholics Anonymous September 2007 Development
  • What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…

    ... does* have separate float and integer types -- it's just ... it :D Integer types are automatically promoted to float when ... the better ones. The string slicing, syntax checking on ... go, powerful numerical (and string) expression evaluation are advantages ...
    Alcoholics Anonymous Alcoholics Anonymous September 2007 Sinclair Basic
  • What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…

    ... does* have separate float and integer types -- it's just ... it :D Integer types are automatically promoted to float when ... the better ones. The string slicing, syntax checking on ... go, powerful numerical (and string) expression evaluation are advantages ...
    na_th_an na_th_an September 2007 Sinclair Basic
  • What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…

    ... the Spectrum. To that it added amazing powerful string slicing, powerful ... br />

    Oh, string slicing, I'd forgotten about ... the BREAK functionality. Desirable to trap misplaced BREAK key ... faster than even Apple's Integer BASIC. That would mean ...
    ewgf ewgf September 2007 Sinclair Basic
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... 0"):
    the function to evaluate all commands. Also returning ... gt;"#")+a$(f,g,2 TO ))( TO 35-g*7) AND ... the formula and fill up to 32 when a formula is ... first 32/24/16/8 bytes frome the
    string as ... no letter pressed go back to cursor

    ...
    Dr BEEP Dr BEEP September 2007 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... , scans "move database string" repeatedly setting 'z' to where the CPU/player ... i=p TO 61:
    LET z=CODE (CHR$ (32+m+(40 ... ")(i)-32:
    [/code]
    Set our "found move" to 0, to indicate ... is prepended to the search string. (but it is forced to a dummy ...
    Digital Prawn Digital Prawn September 2007 Development
  • Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…

    ... , I will have to think carefully about how to fix this, since ... is found. I will have to somehow modify this behaviour. It ... (ii) validate all possible moves, to allow or deny a player ... /> Also I have a suggestion to simplify expression z. Add one ...
    Digital Prawn Digital Prawn October 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... -known functions found in "string.h"; if you need ... /wiki/doku.php/library:string"]z88dk wiki[/URL]. Although ... an integer at the end of the string passed to it. ... values must be restored to play properly. So, the ... will be added to the to-do list as something ...
    Alcoholics Anonymous Alcoholics Anonymous October 2007 Development
  • Starting on machine code - BASIC first?Howdy. If I wanted to start learning machine code for the speccy, from scratch, would you recommend I learn BASIC first or is it entirely possible to…

    ... IP addresses are just a 32 bit number. So most browsers ... , decimal and octal to a raw 32 bit unsigned integer, you could also ... .Exe)[/LIST]The trick is to prefix [B]0x[/B] for ...
    Marcelo Marcelo November 2007 Development
  • Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…

    ... ^y where y is an integer so "let a=a*a ... /> Atari basic employs string slicing as opposed to LEFT$,MID$,RIGHT$ used ... strings to be fixed size when declared. Sinclair basic performs string slicing ... ^y where y is an integer is a special case), whether ...
    Alcoholics Anonymous Alcoholics Anonymous December 2007 Sinclair Basic
  • DEF FN DirectivesI am looking at using some machine code functions from the DK Graphics Pack. They are machine code but they are called via Basic with the function de…

    ... B$ parameters get copied to somewhere in memory by ... BASIC and DEFADD set to point to that memory.
    ... traditional BASIC format. To set an integer number, just set ... character coz it's a string, then $0E, then a ... the address of the string (xxxx) and the ...
    icabod icabod December 2007 Development
  • z88dk - Plus 3 dos librariesdo they work? I looked in the cvs to try to piece together an idea of the syntax of the commands (the documentation is pretty sparse :-() and it loo…

    ... it should just work! To use it compile thusly:
    {
    fread(buf, 1, 32, in);
    buf[31] = ... it myself. Something to watch out for is ... dos requires certain registers to be preserved, as in ... it's probably best to isolate +3 disk access ...
    Alcoholics Anonymous Alcoholics Anonymous March 2008 Development
  • St. Michael Micromasters: Computer GamesHi, The [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000988"]St. Michael Micromasters: Computer Games[/URL] book doesn't currently have a…

    ... well. w$ needs to be DIMensioned with the string length as well ... for the listing to work correctly ... :
    120 dim w$(60,32):let td=200:gosub 2000
    c1541 c1541 March 2008 MIA/STP/SDP
  • A BASIC compiler projectHi, I started my own BASIC compiler for the ZX Spectrum (and Z80 machines) 3 months ago. It's still in ALPHA stage (when it is mature, I will write …

    ... two parameters
    - For 32 bits operands : HLDE ; HLDE, ... but imprecise decimals): 16.16 (32 bits). As above
    ... can be included within the string. String concatenation, LEN etc. are ... dynamic memory heap (similar to many implementations of memory pools ...
    boriel boriel April 2008 Development
  • Handling RST8 on a +3Well, I've come to that bit of my project that I wasn't really looking forward to (because I don't understand enough about the ZX BASIC ROM) - extend…

    ... need converting from a string to a 16 bit int ... dotted decimal into a 32 bit big endian int ... is going to have to parse this string and then ... make the necessary socket library calls - the code to ... socket is going to have to be associated with ...
    Winston Winston July 2008 Development
  • Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…

    ... into a VDU 25 string sequence. DRAW is just ...
    I intend to offer 32 cpl native screen, 40 cpl ... point which allows you to specify a parameter block. ... The WIP allows output to go to stream #3 if ... might have to 'plot' characters anyway to support windowing ...
    Jimmy Jimmy August 2008 Development
  • In ye olde days of computingI found this page about some of the the history of home-computing. Maybe not complete, but still: [URL]http://www.jaapan.de/jp/homecomputer.php?page=…

    ... user and any loaded programs to access specific subroutines, drivers ... more destructable scenery (thanks mainly to larger storage capacity rather than ... be great to be able to leave the PC to perform a string of ... .

    16-bit to 32-bit gave us the polgon ...
    ewgf ewgf October 2008 Chit chat
  • BASIC: Fast way of filling a string?Recently I decided to use string slicing to extract random numbers from a sequence in the one-liner Lottery picker: [quote] 20 RANDOMIZE : LET a$=""…

    Here's my latest:

    [quote]
    10 RANDOMIZE : LET a$=" !""#$%&'()*+,-./0123456789:;?\*ABCDEFGHIJKLMNOPQ": FOR g=1 TO 8: PRINT AT g,0;"Line ";STR$ (g);":": FOR f=1 TO 6: LET b=1+INT (RND*LEN a$): PRINT AT g,5+f*3;" "( TO CODE a$(b)-32
    Dunny Dunny November 2008 Development
  • Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…

    ... file systems based Spectrums allow 32 extensions, that on my Spectrum ... maximum file size of 512KB (32 extensions * 8 allocation units/extension ... (at offset 12) goes up to 31 but then the S2 ... a file, I wonder about string slicer syntax: LOAD "FILE" SCREEN ...
    John Elliott John Elliott November 2008 Development
  • BASin r14d - Final bugfix for the r14 seriesOk, there's not a great deal to "show" here, as most of the work has been going on "under the hood" so to speak. And there's been a [i]lot[/i] of wor…

    ... translation of BASIC to z80 - the best way to handle it, ... can convert expressions to RPN for compilation to z80 - that' ... .

    How should string slicing be handled? How about ... figuring out which should be integer?

    Optimisations?
    ...
    Dunny Dunny December 2008 Emulators
  • Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …

    ... />
    LD A,'1' ; Edit string to print on screen
    LD ... />
    ; We need (QP_SCREEN)+$1800+32*D+E in HL
    ; Simplifies to setting BC such that
    ; C=32*(D mod ... 0
    MyStackBot
    DS 32
    MyStack
    AlignmentByte
    Digital Prawn Digital Prawn January 2009 Games
  • Another idea: 3D models from your favourite Speccy games[FONT=Times New Roman][SIZE=3]Take a look at this.[/SIZE][/FONT] [FONT=Times New Roman][SIZE=3][URL]http://www.shapeways.com/[/URL][/SIZE][/FONT] …

    ... !

    I'm going to have a crack at making ... them. I'm just about to write some additional syntax handling ... been using which used NetPbm to split, scale, rotate, etc lots ... segments together to form each frame using one massive string of piped ...
    NickH NickH January 2009 Sinclair Miscellaneous
  • Home Computing WeeklyIssue 15 seems to have 4 extra images that are duplicates of the previous four. HomeComputingWeekly01500049.jpg HomeComputingWeekly01500050.jpg HomeC…

    ... type-ins in issues 40 to 59.

    YYMMDD,ISSUE ... ,ZX Spectrum
    831213,041,32-33,Salvage,Ray Elder,ZX81 ... ,ZX Spectrum
    840403,056,32-33,Bug Run,Jeff Lewellyn ... ,058,23-24,Converting BASIC (String Slicing),R A Houlton,ZX ...
    c1541 c1541 April 2009 Infoseek database
  • Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …

    ... it would be possible to save the entire data ... around it is useful to do all loading and ... /> compiled code sets some string or integer then "call" basic line ... error will cause return to machine code. as STOP ... returning from basic subroutine to mc. and this is ...
    Fikee Fikee May 2009 Development
  • Goldfinch - an open software stack for mass storageYep, another pet project of mine to compete with all the others I've started. But hey, if I didn't get distracted by things like this I'd just get di…

    ... two characters of the fopen string:

    [code]
    ... parity, etc from the filename string. In the latter case it ... the divide driver parses the string "1:hexdump" as the ... level direct interface to the driver embodied in an integer file descriptor ...
    Alcoholics Anonymous Alcoholics Anonymous June 2009 Announcements
  • Russian Translations...As i have once again been reminded (by the "Homebrew games" thread), there are some funky looking Russian games that I can't play due to not understa…

    ... /> DEFB 255
    DEFB 32, 32, 32, 32, 32[/CODE]
    22 means 'print ... '255' end marker with spaces '32'.
    [/QUOTE]

    ... introduced into the following string often get printed outside ... it into the next string in order to avoid the above ...
    Digital Prawn Digital Prawn June 2009 Games
  • Windows XP questionFor my mame cabinet I want to hide windows as much as I can. At the moment I have customised the motherboard bios splash screen so thats hidden, it t…

    ... the images that you want to eliminate (maybe by replacing them ... are the keys I used to set to prevent the light blue ... />
    String 'AutoAdminLogon', '1'
    String 'DefaultPassword', ''
    Integer 'DontDisplayLastUserName', 1
    Integer 'DisableCAD ...
    zxbruno zxbruno June 2009 Chit chat
  • Russian Translations...As i have once again been reminded (by the "Homebrew games" thread), there are some funky looking Russian games that I can't play due to not understa…

    ... br /> DEFB 22, 13, 5, 32, 32 ; prints 2 spaces over 1st ... encountered in a string they aren't actually written to the screen ... actual playing through the game to double check each and every ... version will always be open to possible further improvements, although I ...
    Digital Prawn Digital Prawn June 2009 Games
<1…12131415161718…34>

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