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<1…16171819202122…34>
  • How do you work with fonts on speccy?just curious really.. I know c64 workings, and obv. the spec you draw direct to screen.. on 64 , you'd make what would be equivalent to UDG.. and sa…

    ... bottom. The program's print routine POKEd the CHARS system ... character set was stored at 32768 and the second ... 0 : POKE 23607,127 : PRINT AT X,Y;A$
    9010 ... 0 : POKE 23607,130 : PRINT AT X,Y;A$
    9020 ...
    The address stored at CHARS must be the address ...
    zxbruno zxbruno September 2010 Development
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... the imput command can only print at the bottom of the screen ... . Not so, you can use AT to position the input cursor ... as you can with the print command. I'm writing this ... ,5;"AGE";A$
    20 print AT 5,5;"YOU ARE ";A$
    Hercules Hercules September 2010 Sinclair Basic
  • Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …

    ... ,5;"AGE";A$
    20 print AT 5,5;"YOU ARE ";A ...
    Paddy Coleman Paddy Coleman September 2010 Sinclair Basic
  • Joystick interfaceHi everyone. I am back and i could not be happyer. Done my AS and got A in maths + futher maths Anyway, how do i use a joystick interface. As in h…

    ... event every time!
    30 PRINT AT y,x;"*"
    40 IF ... 20
    45 BORDER 1: PRINT AT y,x;" "
    46 IF ...
    Jonathan Harston Jonathan Harston September 2010 Development
  • ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…

    ... cleared, so you can Print a Character or UDG, ... as something else and Print it again somewhere else ... you Issue a Comand like PRINT AT 3,12;"Q" the ...
    Example: To print the letter "A" at the top left corner ... (which is equivalent to PRINT AT 0,0;"A" in ...
    Turkwel Turkwel September 2010 Sinclair Miscellaneous
  • Location of variableHi everyone When basic makes an array how to you find out the location in the ram of where the data is stored. :) Also, does it store the values in…

    ... VAR DEFS
    9075 PRINT AT 0,0; INK whi;"BASIC ... VARIABLES"
    9080 PRINT AT 2,0; INK whi;"NAME ... ";TAB 16;"VALUE"
    9085 PRINT AT 3,0; INK whi;"-------- ------ ----------------"< ... REM ** MULTI-DIMENSION
    9390 PRINT ")"
    9395 LET v0=v0 ...
    Paddy Coleman Paddy Coleman September 2010 Sinclair Basic
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... &postcount=715"]#715[/URL]. At last, here's the resulting ... =1 TO z(b):
    PRINT AT a,b; INK 2+2 ... ;r AND z(g)):
    PRINT AT z(g),g; INK 4 ... =c+(INKEY$="7")*(c0):
    PRINT AT 18,c; INK 5;" ";CHR ...
    Einar Saukas Einar Saukas September 2010 Development
  • Simultaneous key presses in BASICIs there a way to check for 2 simultaneous key presses in BASIC? I use if inkey$="z" then goto... but that only lets me check for 1 key press at a…

    ... AND IN 57342=189 THEN PRINT "q and o"

    10 PRINT AT 0,0; IN 254-191 ...
    FrankT FrankT September 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ...
    110 PRINT AT 0,0;"INSERTION SORT v1": PRINT AT 2,0;"Generating ... (t1-t2))/2
    160 PRINT AT 4,0;"Start : ";st
    270 PRINT AT 5,0;"Finish : ";ft: PRINT AT 6,0;"Duration ...
    Paddy Coleman Paddy Coleman September 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ...
    110 PRINT AT 0,0;"INSERTION SORT v1": PRINT AT 2,0;"Generating ... (t1-t2))/2
    160 PRINT AT 4,0;"Start : ";st
    270 PRINT AT 5,0;"Finish : ";ft: PRINT AT 6,0;"Duration ...
    Dr BEEP Dr BEEP September 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ...
    110 PRINT AT 0,0;"SHELL SORT v1": PRINT AT 2,0;"Generating ... (t1-t2))/2
    160 PRINT AT 4,0;"Start : ";st
    Paddy Coleman Paddy Coleman September 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    Hi Dr. Beep,

    Tried one of the tricks you said (move the code nearer the top) and a couple of other optimisations and the Shell Sort now averages 10.3 seconds rather than 11.57.

    [CODE]100 GO SUB 250
    110 REM SHELL SORT V2
    Paddy Coleman Paddy Coleman September 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... +ABS (t1-t2))/2:
    PRINT AT 5,0;"Finish : ";ft'"Duration ... i=1 TO n:
    PRINT v$(i);:
    NEXT i ... :
    PRINT : STOP
    90 LET t1 ...
    Battle Bunny Battle Bunny September 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    Hi Battle Bunny,

    Never ceases to amaze me the difference in performance between BASIC and MCODE. Sounds like you have a powerful routine there.

    I have modified my demo version so that it can be used (for future generations ;)) as ...
    Paddy Coleman Paddy Coleman September 2010 Sinclair Basic
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... y=2 TO 8:
    PRINT AT 20,y*3;y-1 ... ,12-a:
    PRINT PAPER a=0;AT a-1,b*3 ... y=2 TO 8:
    PRINT AT 20,y*3;y-1 ... :
    PRINT PAPER a>0;AT a-1,b;" ";AT a,b ... ;" "; PAPER p+1;AT a ... +2,b;" ";AT a+3,b;" ":
    Einar Saukas Einar Saukas September 2010 Development
  • Help! Reverse engineering a Spectrum game[deleted]

    ... 30000: INK 0: PAPER 0: PRINT AT 0,0;: LOAD ""CODE : RANDOMIZE ... block, and then start disassembling at 30000 to see what's ... code block, and start disassembling at 24104.
    SkoolKid SkoolKid September 2010 Development
  • New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…

    ... y=1 TO 7:
    PRINT AT y*3-2,23;CHR ... $ (64+y)," ";y;AT 0,y*3;CHR$ (71 ... +y);AT 21,y*3+1;CHR ... $ (78+y); PAPER 1; AT x*3-2,y*3 ... ;" ";AT x*3-1,y*3;" ":< ...
    Einar Saukas Einar Saukas October 2010 Development
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... />
    I have been looking at BBC Micro and Amstrad CPC ... b=INT (b/2):
    PRINT AT 5,11; PAPER 1;l ... LET b=1
    180 PRINT AT 5,11; PAPER 1;l ...
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... b=INT (b/2):
    PRINT AT 5,11; PAPER 1;l ... LET b=1
    180 PRINT AT 5,11; PAPER 1;l ...
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    Hi Dr Beep etc.

    Come on guys - you know more about Sinclair BASIC than is healthy! :smile: Surely you have some tips to optimise/speed up the following code.

    [CODE]100 GO SUB 250
    110 REM SHELL SORT V4
    120 LET b=INT (n ...
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • numbers to binaryHi everyone, I have looked through the manual and have found nothing. How do you change a number to binary easily? I know you can go binary to decim…

    ... POKE 16384,n
    30 PRINT AT 1,0;: FOR i=0 ... TO 7: PRINT POINT (i,175);: NEXT i ... 16385,PEEK 23670
    40 PRINT AT 1,0;: FOR i=0 ... TO 15: PRINT POINT (i,175);: NEXT i ...
    mcleod_ideafix mcleod_ideafix October 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    [QUOTE=JamesD;482918]If you can use ELSE it should look like this.
    [CODE]110 REM COMB SORT V2
    ...[/CODE][/QUOTE]

    Hi James,

    Coded up your V2 Comb Sort and got the following results:

    Paddy's original V1 Comb ...
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... /> LET f=a
    200 PRINT AT 6,0;"Finish : ";f;
    BORDER 0:
    CLS :
    PRINT AT 0,0;"COMB SORT v7 ... 25):
    NEXT a:
    PRINT AT 9,0;"Array Contents...":
    LET s=a:
    PRINT AT 4,0;"Start : ";s;
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... /> LET b=a+a:
    PRINT AT 0,0;b:
    NEXT ... LET b=a+a:
    PRINT AT 0,0;b:
    IF ...
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... a
    190 PRINT AT 6,0;"Finish : ";f;AT 7,0;"Duration ... /> BORDER 0:
    CLS :
    PRINT AT 0,0;"COMB SORT v4 ... 25):
    NEXT a:
    PRINT AT 9,0;"Array Contents...":
    PRINT AT 4,0;"Start : ";s;AT 5,0;"Progress ...
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…

    ... br /> LET f=a:
    PRINT AT 5,0;"Finish : ";f;
    BORDER 0:
    CLS :
    PRINT AT 0,0;"COMB SORT v4 ... br /> LET c=0:
    PRINT AT 8,0;"Array Contents...":
    LET s=a:
    PRINT AT 4,0;"Start : ";s:
    Paddy Coleman Paddy Coleman October 2010 Sinclair Basic
  • Print text in assemblyHello, a perhaps simple question: I would like to print a text string on the screen and I wonder how to do that in the most easy way? I seem to re…

    ... , RST 16 (?), but can that print more than one character? That ... . "Hello world of spectrum" and print at a position of choise?
    PRINT AT 5,10;"Hello", but in ... USR adres= lower screen
    PRINT "" AND USR adres = upper screen ...
    Dr BEEP Dr BEEP October 2010 Development
  • Print text in assemblyHello, a perhaps simple question: I would like to print a text string on the screen and I wonder how to do that in the most easy way? I seem to re…

    ... . Alternatively, there's a 'print string' routine at 0x203C which takes a ... / LD (0x5C3C),A.

    PRINT AT (and other modifiers like INK ...
    gasman gasman October 2010 Development
  • Print text in assemblyHello, a perhaps simple question: I would like to print a text string on the screen and I wonder how to do that in the most easy way? I seem to re…

    ... USR adres= lower screen
    PRINT "" AND USR adres = upper screen ... and undoing print of BC on return[/QUOTE ... />
    [QUOTE=gasman;485248]
    PRINT AT (and other modifiers like INK ...
    Rickard Rickard October 2010 Development
<1…16171819202122…34>

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