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<1…78910111213…34>
  • Keyboard mapping...Hi Folks, This is probably going to be one of those daft questions but... On the emulators (Spectrum and CPC) why are the keyboards not mapped to t…

    ... is fine. Do not use DEF FN though as it seems to ...
    Rebelstar without a cause Rebelstar without a cause September 2010 Emulators
  • 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…

    ... quicksort implementation...
    [code] 1 DEF FN t()=(PEEK 23672+256*PEEK ... 1000
    30 LET t1=FN t(): LET fr=1: LET ... : GO SUB 4000: LET t2=FN t()
    40 GO SUB ...
    mcleod_ideafix mcleod_ideafix 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…

    ... " method):

    [code]10 DEF FN b$(n)=("0000" AND n ...
    30 PRINT FN b$(INT (n/16));FN b$(n-16 ...
    mcleod_ideafix mcleod_ideafix 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…

    ... /> [code] 5 RANDOMIZE
    10 DEF FN b$()=STR$(INT (RND*2 ... n$=FN b$()+FN b$()+FN b$()+FN b$()+FN b$()+FN b$()+FN b$()+FN b$()
    mcleod_ideafix mcleod_ideafix 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…

    ... it... :)

    [code]10 DEF FN b$(n,d)=VAL$ "STR ... $(INT (n/d),d/2)+FN b$(n-d*INT (n ... -255): ";n
    30 PRINT FN b$(INT (n/16),4 ... );FN b$(n-16*INT (n/ ...
    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…

    ... i: PRINT : RETURN
    9000 DEF FN t()=(PEEK 23672+256*PEEK ... 5000
    9030 LET t1=FN t(): LET a=1: LET ... : GO SUB 4000: LET t2=FN t()
    9040 GO SUB ...
    Einar Saukas Einar Saukas 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…

    ... i: PRINT : RETURN
    9000 DEF FN t()=(PEEK 23672+256*PEEK ... 5000
    9030 LET t1=FN t(): LET a=1: LET ... : GO SUB 4000: LET t2=FN t()
    9040 GO SUB ...
    Einar Saukas Einar Saukas 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]STEP 3 -[/B] Now let's take a look at the quicksort algorithm, since we will need to properly understand it in order to find further improvements.

    The basic idea behind the quicksort algorithm can be represented by the following pseudo-code ...
    Einar Saukas Einar Saukas October 2010 Sinclair Basic
  • variable variable names with VAL$It's possible to make the RH-side variable names in a LET statement be themselves variable by using VAL$. Thus, if v$ holds the [b]name[/b] of anothe…

    [QUOTE=Dr BEEP;483699][code]
    1 let b$="hello"
    2 let v$="b$"
    3 let a$=VAL$ v$
    4 print a$
    [/code][/QUOTE]

    Very nice - scope for a [B]DEF FN[/B] there ?!
    jp jp 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…

    ... i: PRINT : RETURN
    9000 DEF FN t()=(PEEK 23672+256*PEEK ... 5000
    9030 LET t1=FN t(): LET a=1: LET ... : GO SUB 4000: LET t2=FN t()
    9040 GO SUB ...
    Einar Saukas Einar Saukas October 2010 Sinclair Basic
  • ForthTrying to search for FORTH programs and FORTH articles within the forum is proving to be a complete nightmare!! If I search for FORTH in Infoseek I …

    ... that's because it uses DEF FN and FN). "Mined Out", "Derby Day ... ] [INT] 1000
    OP /
    FN INT
    OP -
    OP ...
    Jimmy Jimmy October 2010 Sinclair Miscellaneous
  • inverting graphics using basic?just curious if it could be done by poking screen memory ? and what's the structure. (foreground / background for each char ? ) reason I ask is I'd …

    ... bit long funciton):

    DEF FN O(x,y)=(128 AND ... AND INT (FN V(FN V(FN V(FN V(FN V(FN V(FN V(x ... ) OR INT FN V(FN V(FN V(FN V(FN V(FN V(FN V(y ... , this is AND:

    DEF FN A(x,y)=(128 AND ... AND INT FN V(FN V(FN…
    Arda Arda December 2010 Sinclair Basic
  • inverting graphics using basic?just curious if it could be done by poking screen memory ? and what's the structure. (foreground / background for each char ? ) reason I ask is I'd …

    ... bit long funciton):

    DEF FN O(x,y)=(128 AND ... AND INT (FN V(FN V(FN V(FN V(FN V(FN V(FN V(x ... ) OR INT FN V(FN V(FN V(FN V(FN V(FN V(FN V(y ... , this is AND:

    DEF FN A(x,y)=(128 AND ... AND INT FN V(FN V(FN
    bigjon bigjon December 2010 Sinclair Basic
  • inverting graphics using basic?just curious if it could be done by poking screen memory ? and what's the structure. (foreground / background for each char ? ) reason I ask is I'd …

    ... bit long funciton):

    DEF FN O(x,y)=....

    FN, but how, can please somebody ... are depend on another function (FN V) and that is dependant ... itself on yet another function (FN T from memory)!
    BloodBaz BloodBaz December 2010 Sinclair Basic
  • Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…

    ... area used by user-defined FN evaluations. I'd often used ... first I tried using a DEF FN to assign the display file ... I could use LET s$=FN s$(), but I got nowhere ... was using a user-defined FN by POKEing DEFADD with an ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…

    ...
    10 DIM s$(length): DEF FN p(a)=PEEK a+256 ... +1):
    DEF FN l(v)=v-256*FN h(v): DEF FN h(v ... )=INT (v/256):
    LET udg=FN ...
    chev chev April 2011 Sinclair Basic
  • Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…

    ... uses this technique with a DEF FN to handle copies from string ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…

    ... .

    [code]
    10 DEF FN p(a)=PEEK a+256 ... +1):
    DEF FN l(v)=v-256*FN h(v): DEF FN h(v ... )=INT (v/256)
    20 DEF FN ... PEEK a>127):
    DEF FN m$(a$,a,b$,b ... $(b$,b,l,1)+")":
    DEF FN d$(a$,a,l,o ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…

    ... value:

    [code] 10 DEF FN D(o,n)=n-VAL ... /> For example [b]BEEP 1, FN D(4, C)[/b] would ...
    chev chev April 2011 Sinclair Basic
  • Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…

    ... .

    [code]
    2 DEF FN p(a)=PEEK a+256 ... +1):
    DEF FN l(v)=v-256*FN h(v): DEF FN h(v ... )=INT (v/256):
    DEF FN d ... a>127)
    3 DEF FN m$(a$,a,b$,b ... ,INT(l/256),1)+")":
    DEF FN d$(a$,a,b,l ...
    Battle Bunny Battle Bunny April 2011 Sinclair Basic
  • That thing on ZX_Beccy's shelfI am sure I am not the only one who thinks ZX_Beccy has the most amazing Sinclair collection but has anyone else been curious about that white spectr…

    [QUOTE=murtceps;534043]there's also two < Symbols and two > Where = ended up.[/QUOTE]

    Also, no CIRCLE, DRAW, DEF FN, FN, OPEN#, CLOSE#, CAT, MOVE, ERASE, FORMAT :)
    memrah memrah May 2011 Chit chat
  • Storing and displaying attributes...Hi Folks, I have a requirement to store and then redisplay a line of attributes from the screen. For example: 100 DIM a$(1,32) 110 LET line=10 120…

    ... delimiter character for a DEF FN definition, telling the FN variable search routine ...
    Battle Bunny Battle Bunny June 2011 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…

    1 def fn b$(d)=val$ (("str$ d" and d1))
    Dr BEEP Dr BEEP June 2011 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…

    ... /> 5 CLEAR 26000
    9 DEF FN b$(n,b)=(STR$ (n ... -2^b>=0)+FN b$(n-(2^b AND ... '"a$=";
    25 LET a$=FN b$(a,15): PRINT a ...
    Dr BEEP Dr BEEP June 2011 Sinclair Basic
  • 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…

    ... $[/B]
    [code]
    1 def fn b$(d)=val$ (("str$ d ...

    [code]
    1 DEF FN b$(d)=VAL$ ((CHR$ 19 ...
    Dr BEEP Dr BEEP June 2011 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…

    [code]
    1 DEF FN b$(d)=VAL$ ((CHR$ 19
    3+"d" AND d1))
    [/code]
    Dr BEEP Dr BEEP June 2011 Sinclair Basic
<1…78910111213…34>

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