Welcome/Piano

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Welcome/Piano

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk:	Home » Personal collection » Acorn ADFS disks » Electron » PRES_E00_backup.ADF
Filename:	Welcome/Piano
Read OK:	✔
File size:	11F2 bytes
Load address:	FFFF1D00
Exec address:	FFFF8023

Duplicates

There are 5 duplicate copies of this file in the archive:

AEW website » acornsoft » acornsoft_3_5_discs_Electron_Welcome_Disc_HA-WELC.adf » Welcome/Piano
AEW website » acp_pres » acp_pres_3_5_discs_Electron-Adfs-E00_A-E00.adf » WELCOME/Piano
Personal collection » Acorn ADFS disks » Electron » PRES_E00.ADF » WELCOME/Piano
Personal collection » Acorn ADFS disks » Electron » PRES_E00_backup.ADF » Welcome/Piano
Personal collection » Acorn ADFS disks » Greaseweazled » adfs_E00.adf » WELCOME/Piano
Personal collection » Acorn ADFS disks » Greaseweazled » dfs_box04_disk01b_adfs_welcome_disk_interleaved.adf » WELCOME/Piano

File contents

   10VDU6
   20DIMM 255,B 8:*FX220,27
   30o=&FFF1:MODE4:PROCO:PROCI:ONERRORGOTO110
   40MODE4:PROCO:PROCD("Piano",2):PRINT''':PRINT"    Play the bottom two rows of keys":PRINT"    like  a  piano keyboard. The 'C'":PRINT"    key is middle C; the keys in the":PRINT"    second  row  represent the black":PRINT"    notes, as shown on the screen."'
   50PRINT"    Use  the up-arrow and down-arrow":PRINT"    keys  to  change the octave. Use":PRINT"    'P' and 'O'  to  turn on and off":PRINT"    the  display of musical notation":PRINT"    at the top of the screen.":PRINTTAB(8,29)"Press SPACE to continue";:*FX15,1
   60REPEATUNTILGET=32:MODE4:VDU19,0,7;0;:VDU19,1,0;0;:PROCO:*FX11,0
   70*FX4,1
   80PROCN:PROCM:PROCS:PROCC:PROCk:VDU4:PRINTTAB(15,18)"Octave ";F;:PRINTTAB(22,17)CHR$(250);TAB(22,19)CHR$(249);:PRINTTAB(1,18)"P  Print ON"TAB(1,19)"O  Print OFF"::ENVELOPE1,10,0,0,0,0,0,0,63,10,0,-63,63,126:ENVELOPE2,10,0,0,0,0,0,0,63,63,0,-63,63,126:ENVELOPE3,10,0,0,0,0,0,0,126,-8,-4,-1,126,100
   90ENVELOPE4,10,0,0,0,0,0,0,126,-10,-5,-2,126,126:REPEATPROCs:IFpANDn>0PROCP
  100UNTILFALSE:IFERR<>17REPORT:PRINT" at line ";ERL:GOTO190
  110REPEAT:MODE4:CLS:PROCE("Which do you want to do ?",10):PRINTTAB(10,VPOS+3)"";:PROCn("R"):PRINT"epeat this program":PRINTTAB(10,VPOS+1)"Go to ";:PROCn("N"):PRINT"ext program":PRINTTAB(10,VPOS+1)"Return to main ";:PROCn("M"):PRINT"enu":PRINTTAB(10,VPOS+1)"";:PROCn("E"):PRINT"xit from disc"
  120PRINTTAB(0,VPOS+3)"Choose from ";:PROCn("R"):PRINT"epeat, ";:PROCn("N"):PRINT"ext, ";:PROCn("M"):PRINT"enu or ";:PROCn("E"):PRINT"xit ";:A$=GET$:UNTIL(A$="R")OR(A$="N")OR(A$="M")OR(A$="E"):CLS:IFA$="R"THENGOTO20
  130IFA$="N"THENP%=5ELSEIFA$="M"THENP%=1ELSEP%=17
  140*FX4
  150*FX15,1
  160*FX201,1
  170VDU21:*FX220,0
  180CHAIN"BOOT"
  190END
  200DEFPROCn(A$):COLOUR0:COLOUR135:PRINTA$;:COLOUR7:COLOUR128:ENDPROC
  210DEFPROCP:LOCALY%,N%:IFC>1200THENPROCS
  220VDU5:PROCs:G=G+1:IFG>bTHENG=1
  230N%=E?G:n=n-1:IFN%>99ANDN%<128THENH=454+(N%-100)*84:ENDPROC
  240C=C+32:PROCs:Y%=H+(A?N%MOD128):IFA?N%>127MOVEC,Y%-24:PRINTCHR$(230):MOVEC,Y%+8:PRINTCHR$(231):C=C+32
  250PROCs:MOVEC,Y%:PRINTCHR$(224):IFY%>718MOVEC,Y%-24:DRAWC,Y%-72ELSEMOVEC+24,Y%-16:DRAWC+24,Y%+32
  260PROCs:IFY%<647THENFORJ%=646TOY%STEP-24:MOVEC-8,J%-20:DRAWC+36,J%-20:NEXTJ%:GOTO290
  270IFY%>789THENFORJ%=790TOY%STEP24:MOVEC-8,J%-20:DRAWC+36,J%-20:NEXTJ%
  280PROCs
  290C=C+32:VDU4:ENDPROC
  300DEFPROCM:VDU23,224,0,0,0,&3C,&7E,&FE,&FC,&78:VDU23,225,2,2,2,&3E,&42,&82,&84,&78:VDU23,226,2,2,2,2,2,2,2,2:VDU23,230,&27,&3F,&FF,&FC,&E4,&24,&20,0:VDU23,231,4,&24,&27,&3F,&FF,&FC,&E4,&24:VDU23,232,0,0,0,0,0,&3F,0,0:VDU23,233,0,0,0,0,0,&FC,0,0
  310VDU23,234,&38,&7C,&7C,&78,&30,&19,6,0:VDU23,235,&E6,&67,&33,&19,&F,3,0,0:VDU23,236,&38,&78,&71,&73,&E7,&E6,&E6,&C6:VDU23,237,1,1,1,3,7,6,&E,&1C:VDU23,238,1,1,1,1,1,1,1,1:VDU23,239,0,0,0,0,0,0,0,1:VDU23,240,&20,&20,&20,&20,&40,&80,0,0
  320VDU23,241,&43,&43,&46,&4C,&58,&E0,&20,&20:VDU23,242,&80,&F0,&F8,&FC,&4E,&47,&43,&43:VDU23,243,&C0,&C0,&80,&80,&80,&80,&80,&80:VDU23,244,&84,&0C,&0C,&18,&18,&38,&30,&60:VDU23,245,0,0,&10,&38,&6C,&C4,&C4,&84:VDU23,246,&10,&30,&70,&FF,&FF,&70,&30,&10
  330VDU23,247,8,&C,&E,&FF,&FF,&E,&C,8:VDU23,248,&FF,&FF,&FF,&FF,&FF,&FF,&FF,&FF:VDU23,249,&18,&18,&18,&18,&FF,&7E,&3C,&18:VDU23,250,&18,&3C,&7E,&FF,&18,&18,&18,&18:ENDPROC
  340DEFPROCS:VDU4,28,3,15,39,0:CLS:VDU26,5:PROCs:MOVE0,650:DRAW1279,650:PROCs:MOVE0,674:DRAW1279,674:PROCs:MOVE0,698:DRAW1279,698:PROCs:MOVE0,722:DRAW1279,722:PROCs:MOVE0,746:DRAW1279,746:PROCs:C=88:ENDPROC
  350DEFPROCC:LOCALX%,Y%,I%:VDU5:X%=8:Y%=638:FORI%=234TO245:MOVEX%,Y%:PRINTCHR$(I%):Y%=Y%+32:IFI%=239THENX%=40:Y%=638
  360NEXTI%:VDU4:C=88:ENDPROC
  370DEFPROCN:LOCALI%,J%:DIMK%(17):FORI%=0TO17:READK%(I%):NEXTI%
  380DATA-99,-98,-82,-67,-83,-68,-100,-84,-101,-86,-70,-102,-71,-103,-87,-104,-105,-73
  390DIMA 17:FORI%=1TO17:READA?I%:NEXTI%
  400DATA0,128,12,24,152,36,164,48,60,188,72,200,84,212,96,108,236
  410F=2:J=2*48-59:H=454+84*2:N%=0:v=-15:e=1:l=-99:b=20:DIME b:i=0:G=0:n=0:k$="ZSXCFVGBNJMK,L./:"+CHR$(139)+CHR$(138)+"PO":DIMc(7):FORI=1TO6:READc(I):NEXT
  420DATA5,0,4,1,2,3
  430p=TRUE:ENDPROC
  440DEFPROCk:GCOL0,1:MOVE160,16:DRAW160,350:DRAW1120,350:DRAW1120,16:DRAW160,16:VDU5:GCOL0,1:GCOL0,128:MOVE192,82:PRINT"Z  X  C  V  B  N  M  ,  .  /":FORI=256TO1024STEP96:MOVEI,16:DRAWI,350:NEXTI:PROCb(232):PROCb(424):PROCb(520):PROCb(712):PROCb(808):PROCb(904):PROCb(1096):GCOL0,0:VDU5:MOVE240,176:PRINT"S":MOVE432,176:PRINT"F":MOVE528,176:PRINT"G"
  450MOVE720,176:PRINT"J":MOVE816,176:PRINT"K":MOVE912,176:PRINT"L":MOVE1104,176:PRINT":":VDU4:GCOL0,1:ENDPROC
  460DEFPROCb(X%):MOVEX%,350:DRAWX%,125:DRAWX%+48,125:PLOT85,X%,350:DRAWX%+48,125:DRAWX%+48,350:PLOT85,X%,350:ENDPROC
  470DEFPROCs:LOCALN%:IFn<bGOTO500
  480*FX15,1
  490ENDPROC
  500n%=INKEY0:IFn%>=ASC"a"IFn%<=ASC"z"n%=n%AND&DF
  510IFn%=-1THENN%=0ELSEN%=INSTR(k$,CHR$n%)
  520IFn%=-1ANDINKEY(l)ENDPROC
  530IFN%<18THEN540ELSEIFN%=18THEN620ELSEIFN%=19THEN660ELSEIFN%=20THENp=TRUE:H=454+84*F:i=0:G=0:n=0:ENDPROCELSEIFN%=21p=FALSE:ENDPROC
  540SOUND&11,0,0,0:l=K%(N%):IFN%=0ENDPROC
  550K=N%*4+J:IFK>255ORK<1ENDPROC
  560IFp i=i+1:IFi>b i=1
  570GOTO600:IFi<>GGOTO600
  580l=-99:IFi=1i=bELSEi=i-1
  590ENDPROC
  600SOUND1,v,K,255:IFp n=n+1:E?i=N%
  610ENDPROC
  620F=F+1:IFF>4THENF=4
  630J=48*F-59:VDU19,1,c(F),0,0,0:VDU4:PRINTTAB(15,18)"Octave ";F;:VDU5:IFNOTpENDPROC
  640i=i+1:IFi>b i=1
  650n=n+1:E?i=100+F:ENDPROC
  660F=F-1:IFF<1THENF=1
  670GOTO630
  680DEFPROCY:Y%=-1
  690X%=GET:X%=X%AND&DF:IFX%<>78ANDX%<>89THEN690
  700Y%=1:IFX%=78THENY%=0
  710VDUX%,8:ENDPROC
  720DEFPROCE(A$,Y%)PRINTTAB(19-LENA$/2,Y%)A$;:ENDPROC
  730DEFPROCO:VDU23;8202;0;0;0;:ENDPROC
  740DEFPROCI$M=STRING$(255,CHR$0):M?255=0:D=224:ENDPROC
  750DEFPROCD(A$,y%)B$="":C$="":FORB%=1TOLENA$:K%=FNC(ASCMID$(A$,B%,1)):B$=B$+CHR$K%:C$=C$+CHR$(K%+1):NEXT:K%=19-LENA$/2:D$=CHR$31+CHR$K%+CHR$y%+B$+CHR$31+CHR$K%+CHR$(y%+1)+C$:PRINTD$;:ENDPROC
  760DEFFNC(C%)IFM?C%THEN=M?C%ELSEIFD>=256STOPELSEM?C%=D:?B=C%:A%=10:X%=B:Y%=BDIV256:CALLo
  770FORJ%=0TO1:VDU23,D+J%:FORI%=2TO9:VDUB?(J%*4+I%DIV2):NEXT,:D=D+2:=M?C%


�6
�M 255,B 8:*FX220,27
o=&FFF1:�4:�O:�I:��Dn@
(��4:�O:�D("Piano",2):�''':�"    Play the bottom two rows of keys":�"    like  a  piano keyboard. The 'C'":�"    key is middle C; the keys in the":�"    second  row  represent the black":�"    notes, as shown on the screen."'
2��"    Use  the up-arrow and down-arrow":�"    keys  to  change the octave. Use":�"    'P' and 'O'  to  turn on and off":�"    the  display of musical notation":�"    at the top of the screen.":�8,29)"Press SPACE to continue";:*FX15,1
<.���=32:�4:�19,0,7;0;:�19,1,0;0;:�O:*FX11,0
F
*FX4,1
P��N:�M:�S:�C:�k:�4:�15,18)"Octave ";F;:�22,17)�(250);�22,19)�(249);:�1,18)"P  Print ON"�1,19)"O  Print OFF"::�1,10,0,0,0,0,0,0,63,10,0,-63,63,126:�2,10,0,0,0,0,0,0,63,63,0,-63,63,126:�3,10,0,0,0,0,0,0,126,-8,-4,-1,126,100
Z8�4,10,0,0,0,0,0,0,126,-10,-5,-2,126,126:��s:�p�n>0�P
d#��:�<>17�:�" at line ";�:�t~@
n�:�4:�:�E("Which do you want to do ?",10):�10,�+3)"";:�n("R"):�"epeat this program":�10,�+1)"Go to ";:�n("N"):�"ext program":�10,�+1)"Return to main ";:�n("M"):�"enu":�10,�+1)"";:�n("E"):�"xit from disc"
x��0,�+3)"Choose from ";:�n("R"):�"epeat, ";:�n("N"):�"ext, ";:�n("M"):�"enu or ";:�n("E"):�"xit ";:A$=�:�(A$="R")�(A$="N")�(A$="M")�(A$="E"):�:�A$="R"��TT@
�#�A$="N"�P%=5��A$="M"�P%=1�P%=17
�*FX4
�*FX15,1
�*FX201,1
��21:*FX220,0
��"BOOT"
��
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���P:�Y%,N%:�C>1200��S
��5:�s:G=G+1:�G>b�G=1
�2N%=E?G:n=n-1:�N%>99�N%<128�H=454+(N%-100)*84:�
�NC=C+32:�s:Y%=H+(A?N%�128):�A?N%>127�C,Y%-24:�(230):�C,Y%+8:�(231):C=C+32
�E�s:�C,Y%:�(224):�Y%>718�C,Y%-24:�C,Y%-72��C+24,Y%-16:�C+24,Y%+32
>�s:�Y%<647��J%=646�Y%�-24:�C-8,J%-20:�C+36,J%-20:�J%:�TbA
4�Y%>789��J%=790�Y%�24:�C-8,J%-20:�C+36,J%-20:�J%
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"C=C+32:�4:�
,���M:�23,224,0,0,0,&3C,&7E,&FE,&FC,&78:�23,225,2,2,2,&3E,&42,&82,&84,&78:�23,226,2,2,2,2,2,2,2,2:�23,230,&27,&3F,&FF,&FC,&E4,&24,&20,0:�23,231,4,&24,&27,&3F,&FF,&FC,&E4,&24:�23,232,0,0,0,0,0,&3F,0,0:�23,233,0,0,0,0,0,&FC,0,0
6��23,234,&38,&7C,&7C,&78,&30,&19,6,0:�23,235,&E6,&67,&33,&19,&F,3,0,0:�23,236,&38,&78,&71,&73,&E7,&E6,&E6,&C6:�23,237,1,1,1,3,7,6,&E,&1C:�23,238,1,1,1,1,1,1,1,1:�23,239,0,0,0,0,0,0,0,1:�23,240,&20,&20,&20,&20,&40,&80,0,0
@��23,241,&43,&43,&46,&4C,&58,&E0,&20,&20:�23,242,&80,&F0,&F8,&FC,&4E,&47,&43,&43:�23,243,&C0,&C0,&80,&80,&80,&80,&80,&80:�23,244,&84,&0C,&0C,&18,&18,&38,&30,&60:�23,245,0,0,&10,&38,&6C,&C4,&C4,&84:�23,246,&10,&30,&70,&FF,&FF,&70,&30,&10
J��23,247,8,&C,&E,&FF,&FF,&E,&C,8:�23,248,&FF,&FF,&FF,&FF,&FF,&FF,&FF,&FF:�23,249,&18,&18,&18,&18,&FF,&7E,&3C,&18:�23,250,&18,&3C,&7E,&FF,&18,&18,&18,&18:�
T���S:�4,28,3,15,39,0:�:�26,5:�s:�0,650:�1279,650:�s:�0,674:�1279,674:�s:�0,698:�1279,698:�s:�0,722:�1279,722:�s:�0,746:�1279,746:�s:C=88:�
^X��C:�X%,Y%,I%:�5:X%=8:Y%=638:�I%=234�245:�X%,Y%:�(I%):Y%=Y%+32:�I%=239�X%=40:Y%=638
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����k:�0,1:�160,16:�160,350:�1120,350:�1120,16:�160,16:�5:�0,1:�0,128:�192,82:�"Z  X  C  V  B  N  M  ,  .  /":�I=256�1024�96:�I,16:�I,350:�I:�b(232):�b(424):�b(520):�b(712):�b(808):�b(904):�b(1096):�0,0:�5:�240,176:�"S":�432,176:�"F":�528,176:�"G"
�F�720,176:�"J":�816,176:�"K":�912,176:�"L":�1104,176:�":":�4:�0,1:�
�T��b(X%):�X%,350:�X%,125:�X%+48,125:�85,X%,350:�X%+48,125:�X%+48,350:�85,X%,350:�
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�&11,0,0,0:l=K%(N%):�N%=0�
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v>J=48*F-59:�19,1,c(F),0,0,0:�4:�15,18)"Octave ";F;:�5:�p�
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�n=n+1:E?i=100+F:�
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���D(A$,y%)B$="":C$="":�B%=1��A$:K%=�C(��A$,B%,1)):B$=B$+�K%:C$=C$+�(K%+1):�:K%=19-�A$/2:D$=�31+�K%+�y%+B$+�31+�K%+�(y%+1)+C$:�D$;:�
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00000000  0d 00 0a 06 ef 36 0d 00  14 18 de 4d 20 32 35 35  |.....6.....M 255|
00000010  2c 42 20 38 3a 2a 46 58  32 32 30 2c 32 37 0d 00  |,B 8:*FX220,27..|
00000020  1e 1c 6f 3d 26 46 46 46  31 3a eb 34 3a f2 4f 3a  |..o=&FFF1:.4:.O:|
00000030  f2 49 3a ee 85 e5 8d 44  6e 40 0d 00 28 e3 eb 34  |.I:....Dn@..(..4|
00000040  3a f2 4f 3a f2 44 28 22  50 69 61 6e 6f 22 2c 32  |:.O:.D("Piano",2|
00000050  29 3a f1 27 27 27 3a f1  22 20 20 20 20 50 6c 61  |):.''':."    Pla|
00000060  79 20 74 68 65 20 62 6f  74 74 6f 6d 20 74 77 6f  |y the bottom two|
00000070  20 72 6f 77 73 20 6f 66  20 6b 65 79 73 22 3a f1  | rows of keys":.|
00000080  22 20 20 20 20 6c 69 6b  65 20 20 61 20 20 70 69  |"    like  a  pi|
00000090  61 6e 6f 20 6b 65 79 62  6f 61 72 64 2e 20 54 68  |ano keyboard. Th|
000000a0  65 20 27 43 27 22 3a f1  22 20 20 20 20 6b 65 79  |e 'C'":."    key|
000000b0  20 69 73 20 6d 69 64 64  6c 65 20 43 3b 20 74 68  | is middle C; th|
000000c0  65 20 6b 65 79 73 20 69  6e 20 74 68 65 22 3a f1  |e keys in the":.|
000000d0  22 20 20 20 20 73 65 63  6f 6e 64 20 20 72 6f 77  |"    second  row|
000000e0  20 20 72 65 70 72 65 73  65 6e 74 20 74 68 65 20  |  represent the |
000000f0  62 6c 61 63 6b 22 3a f1  22 20 20 20 20 6e 6f 74  |black":."    not|
00000100  65 73 2c 20 61 73 20 73  68 6f 77 6e 20 6f 6e 20  |es, as shown on |
00000110  74 68 65 20 73 63 72 65  65 6e 2e 22 27 0d 00 32  |the screen."'..2|
00000120  ee f1 22 20 20 20 20 55  73 65 20 20 74 68 65 20  |.."    Use  the |
00000130  75 70 2d 61 72 72 6f 77  20 61 6e 64 20 64 6f 77  |up-arrow and dow|
00000140  6e 2d 61 72 72 6f 77 22  3a f1 22 20 20 20 20 6b  |n-arrow":."    k|
00000150  65 79 73 20 20 74 6f 20  20 63 68 61 6e 67 65 20  |eys  to  change |
00000160  74 68 65 20 6f 63 74 61  76 65 2e 20 55 73 65 22  |the octave. Use"|
00000170  3a f1 22 20 20 20 20 27  50 27 20 61 6e 64 20 27  |:."    'P' and '|
00000180  4f 27 20 20 74 6f 20 20  74 75 72 6e 20 6f 6e 20  |O'  to  turn on |
00000190  61 6e 64 20 6f 66 66 22  3a f1 22 20 20 20 20 74  |and off":."    t|
000001a0  68 65 20 20 64 69 73 70  6c 61 79 20 6f 66 20 6d  |he  display of m|
000001b0  75 73 69 63 61 6c 20 6e  6f 74 61 74 69 6f 6e 22  |usical notation"|
000001c0  3a f1 22 20 20 20 20 61  74 20 74 68 65 20 74 6f  |:."    at the to|
000001d0  70 20 6f 66 20 74 68 65  20 73 63 72 65 65 6e 2e  |p of the screen.|
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00000e30  38 2c 33 35 30 3a f0 38  35 2c 58 25 2c 33 35 30  |8,350:.85,X%,350|
00000e40  3a e1 0d 01 d6 15 dd f2  73 3a ea 4e 25 3a e7 6e  |:.......s:.N%:.n|
00000e50  3c 62 e5 8d 64 74 41 0d  01 e0 0b 2a 46 58 31 35  |<b..dtA....*FX15|
00000e60  2c 31 0d 01 ea 05 e1 0d  01 f4 25 6e 25 3d a6 30  |,1........%n%=.0|
00000e70  3a e7 6e 25 3e 3d 97 22  61 22 e7 6e 25 3c 3d 97  |:.n%>=."a".n%<=.|
00000e80  22 7a 22 6e 25 3d 6e 25  80 26 44 46 0d 01 fe 1b  |"z"n%=n%.&DF....|
00000e90  e7 6e 25 3d 2d 31 8c 4e  25 3d 30 8b 4e 25 3d a7  |.n%=-1.N%=0.N%=.|
00000ea0  6b 24 2c bd 6e 25 29 0d  02 08 10 e7 6e 25 3d 2d  |k$,.n%).....n%=-|
00000eb0  31 80 a6 28 6c 29 e1 0d  02 12 57 e7 4e 25 3c 31  |1..(l)....W.N%<1|
00000ec0  38 8c 8d 54 5c 42 8b e7  4e 25 3d 31 38 8c 8d 44  |8..T\B..N%=18..D|
00000ed0  6c 42 8b e7 4e 25 3d 31  39 8c 8d 74 54 42 8b e7  |lB..N%=19..tTB..|
00000ee0  4e 25 3d 32 30 8c 70 3d  b9 3a 48 3d 34 35 34 2b  |N%=20.p=.:H=454+|
00000ef0  38 34 2a 46 3a 69 3d 30  3a 47 3d 30 3a 6e 3d 30  |84*F:i=0:G=0:n=0|
00000f00  3a e1 8b e7 4e 25 3d 32  31 70 3d a3 3a e1 0d 02  |:...N%=21p=.:...|
00000f10  1c 1e d4 26 31 31 2c 30  2c 30 2c 30 3a 6c 3d 4b  |...&11,0,0,0:l=K|
00000f20  25 28 4e 25 29 3a e7 4e  25 3d 30 e1 0d 02 26 18  |%(N%):.N%=0...&.|
00000f30  4b 3d 4e 25 2a 34 2b 4a  3a e7 4b 3e 32 35 35 84  |K=N%*4+J:.K>255.|
00000f40  4b 3c 31 e1 0d 02 30 15  e7 70 20 69 3d 69 2b 31  |K<1...0..p i=i+1|
00000f50  3a e7 69 3e 62 20 69 3d  31 0d 02 3a 14 e5 8d 44  |:.i>b i=1..:...D|
00000f60  58 42 3a e7 69 3c 3e 47  e5 8d 44 58 42 0d 02 44  |XB:.i<>G..DXB..D|
00000f70  17 6c 3d 2d 39 39 3a e7  69 3d 31 69 3d 62 8b 69  |.l=-99:.i=1i=b.i|
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00000f90  76 2c 4b 2c 32 35 35 3a  e7 70 20 6e 3d 6e 2b 31  |v,K,255:.p n=n+1|
00000fa0  3a 45 3f 69 3d 4e 25 0d  02 62 05 e1 0d 02 6c 12  |:E?i=N%..b....l.|
00000fb0  46 3d 46 2b 31 3a e7 46  3e 34 8c 46 3d 34 0d 02  |F=F+1:.F>4.F=4..|
00000fc0  76 3e 4a 3d 34 38 2a 46  2d 35 39 3a ef 31 39 2c  |v>J=48*F-59:.19,|
00000fd0  31 2c 63 28 46 29 2c 30  2c 30 2c 30 3a ef 34 3a  |1,c(F),0,0,0:.4:|
00000fe0  f1 8a 31 35 2c 31 38 29  22 4f 63 74 61 76 65 20  |..15,18)"Octave |
00000ff0  22 3b 46 3b 3a ef 35 3a  e7 ac 70 e1 0d 02 80 12  |";F;:.5:..p.....|
00001000  69 3d 69 2b 31 3a e7 69  3e 62 20 69 3d 31 0d 02  |i=i+1:.i>b i=1..|
00001010  8a 15 6e 3d 6e 2b 31 3a  45 3f 69 3d 31 30 30 2b  |..n=n+1:E?i=100+|
00001020  46 3a e1 0d 02 94 12 46  3d 46 2d 31 3a e7 46 3c  |F:.....F=F-1:.F<|
00001030  31 8c 46 3d 31 0d 02 9e  09 e5 8d 44 76 42 0d 02  |1.F=1......DvB..|
00001040  a8 0d dd f2 59 3a 59 25  3d 2d 31 0d 02 b2 26 58  |....Y:Y%=-1...&X|
00001050  25 3d a5 3a 58 25 3d 58  25 80 26 44 46 3a e7 58  |%=.:X%=X%.&DF:.X|
00001060  25 3c 3e 37 38 80 58 25  3c 3e 38 39 8c 8d 74 72  |%<>78.X%<>89..tr|
00001070  42 0d 02 bc 14 59 25 3d  31 3a e7 58 25 3d 37 38  |B....Y%=1:.X%=78|
00001080  8c 59 25 3d 30 0d 02 c6  0b ef 58 25 2c 38 3a e1  |.Y%=0.....X%,8:.|
00001090  0d 02 d0 21 dd f2 45 28  41 24 2c 59 25 29 f1 8a  |...!..E(A$,Y%)..|
000010a0  31 39 2d a9 41 24 2f 32  2c 59 25 29 41 24 3b 3a  |19-.A$/2,Y%)A$;:|
000010b0  e1 0d 02 da 19 dd f2 4f  3a ef 32 33 3b 38 32 30  |.......O:.23;820|
000010c0  32 3b 30 3b 30 3b 30 3b  3a e1 0d 02 e4 22 dd f2  |2;0;0;0;:...."..|
000010d0  49 24 4d 3d c4 32 35 35  2c bd 30 29 3a 4d 3f 32  |I$M=.255,.0):M?2|
000010e0  35 35 3d 30 3a 44 3d 32  32 34 3a e1 0d 02 ee 87  |55=0:D=224:.....|
000010f0  dd f2 44 28 41 24 2c 79  25 29 42 24 3d 22 22 3a  |..D(A$,y%)B$="":|
00001100  43 24 3d 22 22 3a e3 42  25 3d 31 b8 a9 41 24 3a  |C$="":.B%=1..A$:|
00001110  4b 25 3d a4 43 28 97 c1  41 24 2c 42 25 2c 31 29  |K%=.C(..A$,B%,1)|
00001120  29 3a 42 24 3d 42 24 2b  bd 4b 25 3a 43 24 3d 43  |):B$=B$+.K%:C$=C|
00001130  24 2b bd 28 4b 25 2b 31  29 3a ed 3a 4b 25 3d 31  |$+.(K%+1):.:K%=1|
00001140  39 2d a9 41 24 2f 32 3a  44 24 3d bd 33 31 2b bd  |9-.A$/2:D$=.31+.|
00001150  4b 25 2b bd 79 25 2b 42  24 2b bd 33 31 2b bd 4b  |K%+.y%+B$+.31+.K|
00001160  25 2b bd 28 79 25 2b 31  29 2b 43 24 3a f1 44 24  |%+.(y%+1)+C$:.D$|
00001170  3b 3a e1 0d 02 f8 43 dd  a4 43 28 43 25 29 e7 4d  |;:....C..C(C%).M|
00001180  3f 43 25 8c 3d 4d 3f 43  25 8b e7 44 3e 3d 32 35  |?C%.=M?C%..D>=25|
00001190  36 fa 8b 4d 3f 43 25 3d  44 3a 3f 42 3d 43 25 3a  |6..M?C%=D:?B=C%:|
000011a0  41 25 3d 31 30 3a 58 25  3d 42 3a 59 25 3d 42 81  |A%=10:X%=B:Y%=B.|
000011b0  32 35 36 3a d6 6f 0d 03  02 3a e3 4a 25 3d 30 b8  |256:.o...:.J%=0.|
000011c0  31 3a ef 32 33 2c 44 2b  4a 25 3a e3 49 25 3d 32  |1:.23,D+J%:.I%=2|
000011d0  b8 39 3a ef 42 3f 28 4a  25 2a 34 2b 49 25 81 32  |.9:.B?(J%*4+I%.2|
000011e0  29 3a ed 2c 3a 44 3d 44  2b 32 3a 3d 4d 3f 43 25  |):.,:D=D+2:=M?C%|
000011f0  0d ff                                             |..|
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