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<1…14151617181920…34>
  • Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…

    ... address back
    call pm_do_it ; print the message
    ret
    print
    inc hl ; point to ... ; so exit
    rst 16 ; print the character
    jr pm_do_it ...
    polomint polomint September 2011 Development
  • The zxodus engineI've been playing around with this for a couple of days now. Its one of the best things I've seen for sinclair basic, and I've seen nothing about it …

    ... user a 6x8 'AT pixel' print driver. What makes this something ...
    p13z p13z September 2011 Sinclair Basic
  • checking bits in BASICThe question of manipulating bit patterns in BASIC was raised recently in this [thread=35728]Keys redefine routine and key check[/thread] thread. I s…

    ... /> 5 LET bc=0: PRINT bc;"=";: PRINT ,FN b$(bc,10,2 ... 0011000000111001) then:
    [code]
    PRINT FN b$(FN h(12345 ... the reverse:
    [code]
    PRINT FN b$(00110000,2,10 ...
    Battle Bunny Battle Bunny September 2011 Sinclair Basic
  • tap not workingI am trying to create my first spectrum game and am having problems running it. After i load the .tap file and do a PRINT USR 33000, all i get is a 9…

    ... .tap file and do a PRINT USR 33000, all i get ...
    ooze48k ooze48k September 2011 Development
  • fn bug in basin?Hi. I was just trying to make myself some functions in basin and when i tryed them, the progam stopped on call. So i've tryed this simple thing: 10 …

    ... (x)=x*10
    20 print fn a(10)

    rikokun rikokun September 2011 Sinclair Basic
  • Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…

    ...
    ld (position_var),hl ; Reset print position

    ret
    Zoltar Zoltar September 2011 Development
  • saving part of a BASIC programHere's a short routine to save part of a BASIC program. The idea is that it can be merged into a program and then used to save sub-routines, etc. to …

    ... $(2 TO 11)=" " THEN
    PRINT #0;"F Invalid file name ... +CHR$ 128+l$
    9994 PRINT #0; FLASH 1;"m/c ...
    Battle Bunny Battle Bunny September 2011 Sinclair Basic
  • Paint it blackI opened this professional Speccy keyboard and to my amazement there was no classic ZX PCB "in the basement". Just this - [IMG]http://3.bp.blogspot.…

    ... there a neat way to print labels on top of keys ...
    tstih tstih September 2011 Hardware
  • Sending PicturesCould anybody tell me if there is somewhere in the UK where you can email pictures and have them print physical copies and mail them to an address? …

    ... email pictures and have them print physical copies and mail them ...
    Klepto Klepto September 2011 Chit chat
  • Spectrum+ keys not responsiveHi all, apologies if this is in the wrong place or anything like that but I got told that any Spectrum woes should be posted here. Basically I bough…

    ... , ie delete is apparently 0. Print works, but then the "'s ...
    andaeeee andaeeee October 2011 Hardware
  • AND,XOR,OR,BIT,RES,SET,CPL,NEG,RLC,RRC,SLA,SRL,RL, RR,SRA for BASICAs this was drifting away from the original INKEY$ thread I thought that I'd create a new one. So here's a routine to provide all of the above mentio…

    ...
    19 PRINT "OpCd A"
    20 PRINT "CPL ";a,"= ... VAL "(,a"
    23 PRINT "RRC ";a,"= ";USR 40021 ... VAL "),a"
    24 PRINT "SLA ";a,"= ";USR 40021 ... VAL "{,a"
    33 PRINT "RR ";a,"= ";USR 40021 ... VAL "},a"
    34 PRINT "SRA ";a,"= ";USR ...
    Battle Bunny Battle Bunny October 2011 Sinclair Basic
  • FN nesting error?While playing with FN functions that call assembly, I've found something weird. Check out this code: [code]10 DEF FN f(a,b)=a+b 20 PRINT FN f(FN f(…

    ... 4): REM fail!
    40 PRINT FN f(FN f(2 ... )),4): REM works!
    50 PRINT FN f(FN g(2 ... )),4): REM works!
    60 PRINT FN f(FN g(2 ... 4): REM fail!
    70 PRINT FN g(FN f(2 ... 4): REM works!
    90 PRINT FN g(FN g(2 ... )),4): REM works!
    100 PRINT FN g(FN g(2 ...
    mcleod_ideafix mcleod_ideafix October 2011 Sinclair Basic
  • probably a stupid question about RST16I'm using the 'hello world' code borrowed from [url=http://equant-retrochallenge.blogspot.com/2008/07/zx-spectrum-assembly-programming-under.html]her…

    ... [code]
    ld hl,line ; Print line
    call printline

    printline: ; Routine to print out a line
    ld ... a,(hl) ; Get character to print
    cp 0 ; See ...
    sack sack October 2011 Development
  • cheap software labelsI don't mean budget etc.. I mean , cheap as in .. jeez are you lot that tight.. prime example being imagine v1.. they flooded the market full of ga…

    ... em ffs!! or black / white print etc..

    another one ...
    fog fog October 2011 Games
  • Find-Fill-Copy functions for BASICThere's not much going on here, so here's three m/code routines to provide some data manipulation functions which are otherwise slow to do from BASIC…

    ... each routine, using either:
    "PRINT USR r0,p1[,p2...,pn ...
    Battle Bunny Battle Bunny October 2011 Sinclair Basic
  • Arkanoid Hack - Your Sinclair Smash TipsRemember that Arkanoid hack in YS Smash Tips that didn't work? It does now... [CODE] 10 REM ARKANOID HACK 20 CLEAR 65535: LET C=1: LET D=23295 …

    ... /> 50 IF T+A THEN PRINT "DATA ERROR IN BLOCK ";C ...
    jp jp October 2011 Development
  • Is it possible to access the +3 disk drive via m/c in USR0 mode?Is it possible to access the disk drive of the +3 via m/c +3DOS calls when running in USR0 mode? I ask because I'm having an awful lot of trouble ge…

    ... doing a CLEAR 49050 before PRINT USR 48796)
    ei ; interrupts ... before calling it with a print usr 48796.

    Any ...
    cmonkey cmonkey October 2011 Development
  • Looking for a decent HP laser printer with ePrint technologyLooking for a decent HP laser printer. Must be able to print in colour, and have ePrint technology so I can print using the cloud (without needing th…

    ... printer. Must be able to print in colour, and have ePrint ... technology so I can print using the cloud (without needing ... , and allow me to wirelessly print too.

    I want ...
    Hercules Hercules October 2011 Chit chat
  • Empire "Mega" PatchI've been posting [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0001619"]Empire[/URL] related bits and pieces [URL="http://www.worldofspectr…

    ... /> 50 IF T+A THEN PRINT "DATA ERROR IN BLOCK ";B ... : PAPER 0: INK 0: CLS : PRINT #0; INK 7; BRIGHT 1 ...
    jp jp November 2011 Development
  • The short blocks loaded in Jet Pac(Hope this have not been previously discussed. If so, my apologies) Is there any reason why Jet Pac loads three short blocks after the main block? I…

    ... one single LOAD ""CODE 24572 : PRINT USR 25067, the game starts ... ""CODE 245772: POKE 23728,233: PRINT USR 25067

    Alternatively ... ""CODE 245772: POKE 25457,233: PRINT USR 25067
    mcleod_ideafix mcleod_ideafix November 2011 Games
  • Sports GamesHellp chaps :) I have got to get a load of print outs of sports games for a sort of 'Olympic Christmas Tree Competition' at work (its a long story -…

    ... to get a load of print outs of sports games for ...
    itsallgood itsallgood December 2011 Chit chat
  • For Sale Box no.20Morning all, another box of odd sized things. Box 20 Odd Shaped Things Laser Basic ? Ocean IQ 2 x Superchess 3.5 ? CP Software Superchess 3.0 ? CP …

    ... /> Cargo ? Sinclair & Macmillan
    Print Utilities ? Sinclair/Andrew Pennell
    jamorski jamorski December 2011 Sales
  • Incorrect joystick decoding in Fuse & SpectaculatorAccording to a test that a fellow member ([B]utopian[/B]) at the [url=http://www.speccy.org/foro/viewtopic.php?f=6&t=2475]speccy.org[/url] forum has …

    ... a real machine:
    10 PRINT AT 11,14; IN 254 ...
    mcleod_ideafix mcleod_ideafix December 2011 Emulators
  • Procrustean PrintingHere's a short routine to manage printing of text with command tokens, to avoid messing up the screen when they are expanded. It just prints as many …

    ... (hl) ;JP address

    ;PRINT USR stack,string_expression,max_length,substr ... /> inc b ;don't count print controls
    PRCHAR: rst $10 ... bit 7
    rst $10 ;print a character
    pop af ...
    Battle Bunny Battle Bunny December 2011 Sinclair Basic
  • Ultimate Adventure Magazine - by old Speccy Games WriterHello!! Yes, a little off-Spectrum topic but bear with me..... Below is the blurb for my new adventure magazine, which is a FREE download at [url]www…

    ... /issue1[/url]

    ? a print version, which can be purchased ...
    Andy Remic Andy Remic December 2011 Chit chat
  • Invalid combination of operands and opcodesIt says the error in the title, why is this?? [CODE] ORG 0000 LD HL, 63000 ;LOAD HL WITH STACK LOCATION LD SP, HL ;SET STACK POINTER TO HL LD A, …

    ... br />
    ;*********************************
    ;(PRINT ASCII WORD)
    ;> B ...

    ;*********************************
    ;(PRINT SINGLE HEX CHARACTER)
    ;> ...
    Robin Robin December 2011 Sinclair Miscellaneous
  • Trying to remember an old text based game I used to play...Hi all, hope u had a nice Christmas.. I've been scratching my head for some time now trying to remember the name of an old game I used to play on my …

    ... but rather than the standard linear nature of most text adventures ...
    RetroGamerUK RetroGamerUK December 2011 Games
  • Can someone shorten this line of BASIC for me?I think if Sinclair Basic had a modulo operation this line could be a lot shorter:[CODE]PRINT AT cy,cx; PAPER 7-((cx/2=INT (cx/2))*(cy/2=INT (cy/2)))…

    ... be a lot shorter:[CODE]PRINT AT cy,cx; PAPER 7 ...
    bigjon bigjon January 2012 Sinclair Basic
  • Indirect Variable AssignmentHere's another wacky routine. This allows assignment of values to variables where the source & destination variables can themselves be defined in var…

    ... $ (a+64),"=",v;
    11 PRINT USR id,v$,"=",v+VAL ... /> 20 NEXT a
    30 PRINT valA'valB'valC
    31 ... />
    The syntax is:
    ;PRINT USR indirect,arg1,op,arg2 ... />
    ;Indirect Variable Assignment
    ;PRINT USR indirect,arg1,op,arg2 ...
    Battle Bunny Battle Bunny January 2012 Sinclair Basic
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Latest Posts

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  • Fixed Speccy Software. And which games remained unfixed?
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