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Prime Scales and Chords



#2

Hello,

(I am affraid my English is worth than the Google translation, apologize :()

This is my very first Prime program, and I have not yet the real Prime,
so please be kind to me.

The prime in France just begin to be selled it is difficult to find and
very expensive : 274 dollars on Amazon.

The point 3 is, to me, the most important.

Questions :

-1- to be tested on the real Prime : have to call twice CHOOSE in the main function ;

-2- to be tested on the real Prime : MOUSE never returns 5 as type ;

-3- how to add scales in ScaleList by program and save it ?
At this time have to edit the progam and construct it half tone by half tone ;

-4- it is ready for use EVAL on function stocked in ListPos(ii,5) eg KEYB_CLICK(2) for D key;

-5- have to manage a generic use of touch object List, generic construction of buttons and so on ;

-6- manage sub menu for major and minor, like the MATH -> Numbers ;

- ...

Hope the musicians will enjoy, fell free to give us ScaleList with plenty of scales and chords.

I shall try to make a touch program to make scales and chords easily, but how to save it ?

PLEASE rerplace the 3 B→R by the B->R function in the prime, don't how to put it in the forum.
Don't know why I have to put 2 CRLF ?

START COPY TO THE PRIME

// Scales and Chords for the HP Prime

// Copyright Didier STEINMETZ

// not for commercial use

// didier.steinmetz@gmail.com

// Date : july 2013

// Version beta 0.0

// Almost all in the module scope, because I plane to use the EVAL of function, like object method

// the notes name, can change for DO RE MI, can use the language environement variable

NoteNameList:={"C","C#","D","Eb","E","F","F#","G","G#","A","Bb","B"};

// create here the scales, given in half tone

// Just an example, 2 is ridiculous

ScaleList:={

{"Major",{2,2,1,2,2,2}},

{"Penta Maj",{2,3,2,2}}

};


ScaleLibList:={}; // the lib list to be displayed by CHOOSE

ScaleIndx:=1; // the index of the scale in ScaleList

SOrg:=0; // the fondamental of trhe scale

// the positions and actions of the touch objects

ListPos:={};

// return what have been touched, according to the ListPos

TouchObj()

BEGIN

local ii:=0,ll:={},ll2:={},xx:=0,yy:=0,tt:=0,found:=0;

if size(ListPos)>0 then

WHILE NOT(found) DO

ll:=MOUSE();

if size(ll(1))<>0 then

ll:=ll(1); // could use ll[i,j]

xx:=B&#8594;R(ll(1));

yy:=B&#8594;R(ll(2));

tt:=B&#8594;R(ll(5)); // would like to use the value 5, but nevr returned it ?

ii:=1; found:=0; ll2:={};

// search object in the list position, the first found is the good one,

// hence have to manage what is in front of the others

//if tt==5 then // end of click

while ii<= size(ListPos) and NOT(found) do

ll2:=ListPos(ii);

if xx>=ll2(1) and xx<=ll2(3) and yy>=ll2(2) and yy<=ll2(4) then

found:=1;

end;

ii:=ii+1;

end;

//end;

end;

END;

// ListPos(ii,5) could contain the fonction to be called via EVAL,

// tha's why the variables are in the module scope

if found then return ll2(5); end;

end;

return -1; // default or error code ...

END;

// ret the scales in halftone mod 12, given the fondamental and the scales in halftone

ScaleBuilt(SOrg,SIntvl)

BEGIN

Local SclaRes:={};

Local ii:=0,note:=0;

// if nothing in the scale then nothing

if size(SIntvl)>0 then

note:=SOrg;

SclaRes(1):=note mod 12;

For ii from 1 to size(SIntvl) do

note:=(note+SIntvl(ii)) mod 12;

SclaRes(ii+1):=note;

end;

end;

return SclaRes;

END;

// All the display is in there, to be discussed

Draw_KeyB() // ret the list of the activ positions

BEGIN

Local ii:=0,jj:=0,kk:=0,Xorg:=0,KFill:=0,OnOff:=0,LigneT:="";

Local ll:={};

// the keys width in pixels

Local WKWidth:=22, BKWidth:=11;

// the keys height in pixels

Local WKHeight:=80, BKHeight:=45;

// the White keys colors

Local WKEdge:=RGB(255,0,0),WKFill:=RGB(255,255,255);

// the Black keys colors

Local BKEdge:=RGB(0,0,0),BKFill:=RGB(0,0,0);

// the selection color

local KSelFill:=RGB(20,0,200);

// the KB origin

Local LeftKB:=6, TopKB:=10;

// the white keys list

local WKList:={0,2,4,5,7,9,11};

// the black keys list

local BKList:={1,3,-1,6,8,10};

// notes liste given in half tone modulo 12

Local ScaleNotes:={};

// the scale to be displayed

local ScaleL:=ScaleList(ScaleIndx);

// clear the screen (G0):

RECT_P(0,0,319,239,RGB(255,0,0),RGB(200,200,200));

// compute the scale notes

ScaleNotes:=ScaleBuilt(SOrg,ScaleL(2));

// the Scale title and the notes

TEXTOUT_P(ScaleL(1)+" en " + NoteNameList(SOrg+1),LeftKB,15+TopKB+WKHeight);

LigneT:="";

for ii from 1 to size(ScaleNotes) do LigneT:=LigneT + " " + NoteNameList(ScaleNotes(ii)+1); end;

TEXTOUT_P("The notes = " + LigneT,LeftKB,30+TopKB+WKHeight);

// the white first because the black are over

// the white Keys draw

OnOff:=0;

for ii from 0 to 23 do // 2 octaves

ll:={};

jj:=ii mod 12;

kk:=pos(WKList,(ii mod 12))-1;

if (ii mod 12)==SOrg then OnOff:=OnOff+1; end;

if kk>=0 then

KFill:=WKFill;

if ((ii mod 12)==SOrg) or ((OnOff==1) and (pos(ScaleNotes,(ii mod 12))>0)) then

KFill:=KSelFill;

end;

kk:=kk+ip(ii/12)*7;

Xorg:=LeftKB+kk*WKWidth;

RECT_P(Xorg, TopKB, Xorg+WKWidth, TopKB+WKHeight, WKEdge, KFill);

ll(0):=Xorg;ll(0):=TopKB;ll(0):=Xorg+WKWidth;ll(0):=TopKB+WKHeight;

//ll(0):="Key_Clic(" +jj+")";

ll(0):=jj;

ListPos(0):=ll;

end;

end;

// the black Keys draw

OnOff:=0;

for ii from 0 to 23 do

ll:={};

jj:=ii mod 12;

kk:=pos(BKList,(ii mod 12))-1;

if (ii mod 12)==SOrg then OnOff:=OnOff+1; end;

if kk>=0 then

KFill:=BKFill;

if ((ii mod 12)==SOrg) or ((OnOff==1) and (pos(ScaleNotes,(ii mod 12))>0)) then

KFill:=KSelFill;

end;

kk:=kk+ip(ii/12)*7;

Xorg:=LeftKB+(kk+1)*WKWidth-FLOOR(BKWidth/2);

RECT_P(Xorg, TopKB, Xorg+BKWidth, TopKB+BKHeight, BKEdge, KFill);

ll(0):=Xorg;ll(0):=TopKB;ll(0):=Xorg+BKWidth;ll(0):=TopKB+BKHeight;

//ll(0):="Key_Clic(" +jj+")";

ll(0):=jj;

ListPos(0):=ll;

end;

end;

// the buttons, just for demo, has to be rewriten in a function, etc.

ll:={};
RECT_P(LeftKB, 200, 50, 230, rgb(0,0,0), rgb(220,200,200));

ll(0):=LeftKB;ll(0):=200;ll(0):=50;ll(0):=230;

ll(0):=-1;

ListPos(0):=ll;

TEXTOUT_P("Scales",LeftKB+5,200);

ll:={};

RECT_P(60, 200, 110, 230, rgb(0,0,0), rgb(220,200,200));

ll(0):=60;ll(0):=200;ll(0):=110;ll(0):=230;

ll(0):=-2;

ListPos(0):=ll;

TEXTOUT_P("Quit",60+5,200);

// the Score, just a demo, To Be Done

for ii from 0 to 4 do

LINE_P(LeftKB,50+3*ii+TopKB+WKHeight,319-LeftKB,50+3*ii+TopKB+WKHeight,BKFill);

end;

RECT_P(LeftKB+20, 50+3*2+TopKB+WKHeight, LeftKB+20+4, 50+3*2+4+TopKB+WKHeight,BKFill, BKFill);

RECT_P(LeftKB+27, 50+3*2+2+TopKB+WKHeight, LeftKB+27+4, 50+3*2+4+2+TopKB+WKHeight,BKFill, BKFill);

// return the reverse because the objects has been added at the end of the list,

// because of the use of list(0):=, to add.

// other solution begin the scan by the end

ListPos:=reverse(ListPos);

END;

// returns the list of the lib of ScaleList, to be used in CHOOSE

ScaleInitLib4Choose()

BEGIN

Local LibList:={};

Local ii:=0,ll:={};

// get the lib of the Scales

For ii from 1 to Size(ScaleList) do

ll:=ScaleList(ii);

LibList(ii):=ll(1);

end;

Return LibList;

END;

// entry point, init and loop for touch and display management

EXPORT Scale_KeyB()

BEGIN

Local ii:=0,go:=0;

// init the lib for the choose

ScaleLibList:=ScaleInitLib4Choose();

go:=1;

// init the display

Draw_KeyB(); // all parameters in module scope

// loop while not quit button is pressed

While go do

SOrg:=TouchObj();

if SOrg==-2 then

go:=0; // quit

else

if SOrg== -1 then

// change the scale

SOrg:=0; // fondamental is C


// BUG ??? have to call CHOOSE twice ???

choose(ii,"Scales",ScaleLibList);

choose(ii,"Scales",ScaleLibList);


if NOT ii then

go:=0; // no scale choosen then quit

else

ScaleIndx:=ii;


end;
end;

Draw_KeyB(); // display

end;

end;

END;


Edited: 22 Oct 2013, 8:14 a.m.


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