PROCgraphics(1100,400)      res$=""      res=0      ls= 0      LET rs= 24      counl%=290      counr%=2110      REM setup buttons before use      res$=FNabutton(100,100,"black","fill"):REM keeping it efficient      res$=FNabutton(200,100,"black","fill")      PROCcolor("f","black")      REM TRACKING STARTS HERE      REPEAT        res$=""        IF FNabutton(100,100,"green","left")="left" THEN res$="left"        IF FNabutton(200,100,"blue","right")="right" THEN res$="right"        PROCsbox(250,700,2150,600,"15")        MOVE 260,650:PRINT res$        WAIT 10      UNTIL FALSE      END      DEFFNabutton(x,y,c$,com$):REM x,y is lower left and c$=fillcolor:com$-command      MOUSE mx,my,mb      LOCAL ret$      PROCcolor("f","4")      PROCrect(x,y,x+50,y+50)      IF com$="fill" THEN        PROCpaint(x+5,y+5,c$)      ENDIF      IF mx>x AND mx<x+50 AND my>y AND my<y+50 THEN        PROCcolor("f","15"):PROCrect(x,y,x+50,y+50)        IF mb=4 THEN ret$=com$      ENDIF      =ret$      DEFPROCarrowu(x,y)      PRIVATE xx,yy      PROCcolor("f","black")      LINE xx,yy,xx-20,yy-20      LINE xx,yy,xx+20,yy-20      PROCcolor("f","15")      LINE x,y,x-20,y-20      LINE x,y,x+20,y-20      xx=x:yy=y      ENDPROC      DEFPROCarrowd(x,y)      PRIVATE hh,vv      PROCcolor("f","000,000,000")      LINE hh,vv,hh-20,vv+20      LINE hh,vv,hh+20,vv+20      PROCcolor("f","15")      LINE x,y,x-20,y+20      LINE x,y,x+20,y+20      hh=x:vv=y      ENDPROC      REM  GRAPHICS(x,y)      DEF PROCgraphics(x,y)      VDU 23,22,x;y;8,15,16,1      OFF      VDU 5      ENDPROC      REM SBOX **********************      DEF PROCsbox(x%,y%,w%,h%,c$)      LOCAL ry%,sx%,sy%      sx%=x%:sy%=y%      IF x%>w% THEN x%=w%:w%=sx%      IF y%>h% THEN y%=h%:h%=sy%      ry%=y%      PROCcolor("f",c$)      REPEAT        LINE x%,y%,w%,y%        y%=y%+1      UNTIL y%=h%      y%=ry%      IF c$<>"0" THEN PROCcolor("f","000,000,000") ELSE PROCcolor("f","white")      LINE x%+2,y%+2,w%-2,y%+2      LINE w%-2,y%+2,w%-2,h%-4      LINE w%-2,h%-4,x%+2,h%-4      LINE x%+2,h%-4,x%+2,y%+2      PROCresetrgb      ENDPROC      REM RECT **********************      DEFPROCrect(x%,y%,w%,h%)      LOCAL sx%,sy%      sx%=x%:sy%=y%      IF x%>w% THEN x%=w%:w%=sx%      IF y%>h% THEN y%=h%:h%=sy%      LINE x%,y%,w%,y%      LINE w%,y%,w%,h%      LINE w%,h%,x%,h%      LINE x%,h%,x%,y%      ENDPROC      REM pixel *******************      DEFPROCpixel(x%,y%,c$)      PROCcolor("f",c$)      MOVE x%,y%:DRAW x%,y%      ENDPROC      REM SET  c$ can be colors like blue or 1 or a R,G,B color      DEF PROCset(x%,y%,c$)      LOCAL h%      PROCcolor("f",c$)      FOR h%=0 TO 20        LINE x%+h%,y%,x%+h%,y%+20      NEXT      MOVE 0,0      ENDPROC      DEFPROCpaint(x%,y%,co$)      PROCcolor("b","0"):PROCcolor("f",co$)      FILL x%,y%      ENDPROC      REM restore default color palettes      DEFPROCresetrgb      COLOUR 0,0,0,0 :COLOUR 1,200,0,0 :COLOUR 2,000,200,000      COLOUR 3,200,200,000:COLOUR 4,000,000,200:COLOUR 5,200,000,200      COLOUR 6,000,200,200:COLOUR 7,200,200,200:COLOUR 8,056,056,056      COLOUR 9,248,056,056:COLOUR 10,056,248,056:COLOUR 11,248,248,056      COLOUR 12,056,056,248:COLOUR 13,248,056,248:COLOUR 14,056,248,248      COLOUR 15,248,248,248      ENDPROC      DEF PROCcolor(fb$,rgb$)      PRIVATE assemble$,br%,bg%,bb%      IF rgb$="0" OR rgb$="black" THEN rgb$="000,000,000"      IF rgb$="1" OR rgb$="red" THEN rgb$="200,000,000"      IF rgb$="2" OR rgb$="green" THEN rgb$="000,200,000"      IF rgb$="3" OR rgb$="yellow" THEN rgb$="200,200,000"      IF rgb$="4" OR rgb$="blue" THEN rgb$="000,000,200"      IF rgb$="5" OR rgb$="magenta" THEN rgb$="200,000,200"      IF rgb$="6" OR rgb$="cyan" THEN rgb$="000,200,200"      IF rgb$="7" OR rgb$="white" THEN rgb$="200,200,200"      IF rgb$="8" OR rgb$="grey" THEN rgb$="056,056,056"      IF rgb$="9" OR rgb$="light red" THEN rgb$="248,056,056"      IF rgb$="10" OR rgb$="light green" THEN rgb$="056,248,056"      IF rgb$="11" OR rgb$="light yellow" THEN rgb$="248,248,056"      IF rgb$="12" OR rgb$="light blue" THEN rgb$="056,056,248"      IF rgb$="13" OR rgb$="light magenta" THEN rgb$="248,056,248"      IF rgb$="14" OR rgb$="light cyan" THEN rgb$="056,248,248"      IF rgb$="15" OR rgb$="light white" THEN rgb$="248,248,248"      assemble$=rgb$      br%=VAL(MID$(assemble$,1,3)):bg%=VAL(MID$(assemble$,5,3)):bb%=VAL(MID$(assemble$,9,3))      IF fb$="f" OR fb$="F" THEN COLOUR 0,br%,bg%,bb% : GCOL 0      IF fb$="b" OR fb$="B" THEN COLOUR 1,br%,bg%,bb% : GCOL 128+1      ENDPROC      a      REM buttonz      DEFFNbuttonz(X,Y,msg$)      LOCAL initialx%,fi%,reduction%,tx,ty,mx%,my%,mb%,ad%,ady%,c$      PRIVATE st$      IF msg$<> "clearitall" THEN        initialx%=LEN(msg$)        LET tx= X+initialx%+25        LET ty= Y:reduction%=0        reduction%=initialx%/2        reduction%=reduction%*6        IF initialx%<20 THEN reduction%=reduction%/2        initialx%=initialx%*22-reduction%        MOUSE mx%,my%,mb%        ad%=initialx%+8:ad%+=X:ady%=Y-28        IF mx% >X AND mx%<ad% AND my%<Y+8 AND my%>ady% THEN          c$="255,255,255"          IF mb%=4 THEN st$=msg$        ELSE c$="200,200,200"        ENDIF        IF FNrgb(X,Y)="000,000,000" THEN c$="200,200,200"        PROCcolor("f",c$)        IF FNrgb(X,Y)<>c$ THEN          FOR fi%=12 TO 48            LINE X-3,Y+20-fi%,X+initialx%+8,Y+20-fi%          NEXT          PROCcolor("f","000,000,000")          MOVE tx,ty          PRINT msg$        ENDIF      ENDIF      IF msg$="clearitall" THEN st$=""      =st$