This module is part of the original MMBasic library. It is reproduced here with kind permission of Hugh Buckle and Geoff Graham. Be aware it may reference functionality which has changed or is deprecated in the latest versions of MMBasic.
This program plays the game of Towers of Hanoi for you. It is a programming exercise in recursion, that is, where a subroutine, in this case “TOWER”, calls itself.
It plays on a MicroMite using a VT100 terminal .eg Tera Term. It does NOT play in the chat window of MMEdit prior to V3.4.18
'''''''''''''''''''''''''''''''''''''' '''''''''''TOWERS of HANOI'''''''''''' '''''''''''''''''''''''''''''''''''''' ''''''''''''By H W Holmes''''''''''''' '''''''''''''''''''''''''''''''''''''' ''''''''''''July 31, 2014''''''''''''' '''''''''''''''''''''''''''''''''''''' 'This program plays the game of Towers of Hanoi for you. 'It is a programing exercise in recursion, that is, 'where a subroutine, in this case "TOWER", calls itself. 'It plays on a MicroMite using a VT100 terminal .eg Tera Term. 'It does NOT play in the chat window of MMEdit prior to V3.4.18 INFO: ''''''''''''''''''''''' '''Display Constants''' ''''''''''''''''''''''' Delay = 500 ' Change for speed of play TopRow = 8 ' CHANGE THIS TO MOVE Game UP OR DOWN THE SCREEN! '''''''''''''''' ''Tower Pieces'' '''''''''''''''' Dim TP$(9) TP$(0) = " M " ' Empty Peg TP$(1) = " 1M1 " ' Level 1 TP$(2) = " 22M22 " TP$(3) = " 333M333 " TP$(4) = " 4444M4444 " TP$(5) = " 55555M55555 " TP$(6) = " 666666M666666 " TP$(7) = "7777777M7777777" ' level 7 TP$(8) = "TTTTTTTTTTTTTTT" ' Base TP$(9) = " " ' ERASE disk Dim PL(3) 'Pin Level HMD: 'How many disks? ClearScreen HOME ' c 1.1 Print "This program plays the game of Towers of Hanoi for you." Print "Object: To Move Disks from 1 Pin To Another, 1 pin at a time," Print " never puting a larger Disk on a smaller one." ''''''''''''''' ''''Display'''' ''''''''''''''' D=0:S=0:E=0 ScreenBuild Print DK: Print "How many Disks (1-7) " ; : GetDig D : Print D If D<1 Or D>7 Then Print "Disk Count Out of Range! -> "; : GoTo DK SP: Print "Starting on Pin (1-3)"; : GetDig S : Print S If S<1 Or S>3 Then Print "Pin # Out of Range! -> "; : GoTo SP EP: cnt = 0 Print "Move to Pin ("; If S<>1 Then Print "1";: cnt = 1: Print" OR "; ' 1 was not chosen to start If S<>2 Then ' 2 was not chosen to start Print "2"; : cnt = cnt + 1 If cnt = 1 Then Print " OR ";: Print "3"; 'must be the other not chosen Else Print "3"; 'must be the other not chosen EndIf Print ") "; : GetDig E : Print E' get end destination pin If E<1 Or E>3 Then Print "Pin # Out of Range! -> "; : GoTo EP If E=S Then Print "Pin # Same as Start Pin! -> "; : GoTo EP Print SUMARY: Print "Move" D " Disks From Pin" S " TO Pin" E " " ; Print "Correct? (Y,N) ";: GetKey A$ ' Did you type your choices correctly? Print A$; : If (A$ = "N") Or (A$ = "n") Then GoTo HMD If (A$ <> "Y") And (A$ <> "y") Then Print : Print "Press Y or N - "; : GoTo Sumary : EndIf SETUP: 'c y,x notes below indicate cursor position for calulating page layout ClearScreen HOME Print " T O W E R S O F H A N O I" ' c 2.1 Print "Object: To Move" D " Disks from Pin" S " To Pin" E ' c 3,1 Print "1 pin at a time, never puting a larger Disk on " Print "a smaller one." Print ' c 6,1 1 2 3 ' 123456789012345678901234567890123 Print "Moving Disk _ From Pin _ To Pin _." ' c 6,1 SHOW_MOVE Sub SHOW_MOVE d,s,e 'fills in the above blanks for disk and pins yx 6,13: dS d: cr 10: dS s: cr 8: dS e Pause Delay End Sub ' c 5,33 PLAY: ScreenBuild Sub ScreenBuild yx (toprow + 2,1) For I = 0 To 7 ' 8 peg levels - 0-7 Level = MAX(0,(I+D-7)) ' negative disk levels use empty peg (0) For J = 1 To 3 ' 3 pegs If Not (J = S) Then Print TP$(0); ' empty peg Else Print TP$(Level); ' Empty peg if Level = 0 EndIf Next J Print Next I For iI = 1 To 3: Print TP$(8);: Next: Print ' 3 wide base Print " PIN 1 PIN 2 PIN 3" ' ID labeling End Sub '''''''''''''''''''''''''' '''''''''THE GAME''''''''' '''''''''''''''''''''''''' 'set pin current relative levels of top disk down from top of pin INIT: PL(s) = 7-d PL(e) = 7 PL(6-e-s) = 7 TOWER d,s,e yx TopRow+12, 1 FINI: Print "Play Again (Y,N) "; : GetKey A$ : Print A$ If (A$ = "N") Or (A$ = "n") Then Print " I Hope you liked chalenging me to play the game!": End : EndIf If (A$ <> "Y") And (A$ <> "y") Then Print "Press Y or N - "; : GoTo FINI : EndIf Pause 1000: GoTo HMD End Sub TOWER d,s,e Local Nd,Ns,Ne 'Next values for d,s,e If d <> 1 Then Nd = d-1: Ns = s: Ne = 6-s-e TOWER Nd,Ns,Ne EndIf MOVE d,s,e If d <> 1 Then Ns = Ne: Ne = e TOWER Nd,Ns,Ne EndIf End Sub Sub MOVE d,s,e SHOW_MOVE d,s,e ' Update the header line describing the current move 'Empty Current Pin Level & Move Up yx (toprow + 3 + PL(s),15*(S-1)+1): Print TP$(0); 'clear old pin position PL(s) = PL(s)+1 ' Adjuist Pin Level yx (toprow,15*(S-1)+1): Print TP$(d); 'place pin above to move sideways Pause Delay 'Clear Position & move Across yx (toprow,15*(s-1)+1): Print TP$(9); 'erase current disk position ' Do long move in two steps; comment out the whole if structure to speed up If Abs(s-e)=2 Then ' is this a long move? dir = Sgn(e-s) 'which way? 'place disk in intermediate position yx (toprow,15*(e-dir-1)+1): Print TP$(d); Pause Delay ' let disk settle 'erase disk from intermediate position yx (toprow,15*(s+dir-1)+1): Print TP$(9); EndIf ' Place Disk above destination pin yx (toprow,15*(e-1)+1): Print TP$(d); Pause Delay 'Clear position and Place Disk yx (toprow,15*(e-1)+1): Print TP$(9); 'Clear disk from top yx (toprow + 2 + PL(e),15*(e-1)+1): Print TP$(d); 'Place disk at end PL(e) = PL(e)-1 ' Adjuist Pin Level compensate pin level for new disk Pause Delay End Sub ''''''''''''''''''''''''''''''''''''' ''''''Cursor Control Subrouines'''''' ''''''''''''''''''''''''''''''''''''' Sub CU n ' UP Print Chr$(27)+"["+Str$(n)+"A"; End Sub Sub CD n ' Down Print Chr$(27)+"["+Str$(n)+"B"; End Sub Sub CR n ' Right (This is the only one I used once I wrote Sub YX) Print Chr$(27)+"["+Str$(n)+"C"; End Sub Sub CL n ' Left Print Chr$(27)+"["+Str$(n)+"D"; End Sub Sub YX n, m ' Move cursor to Y,X - (VT100 is 1,1 based Local s$ Print Chr$(27)+"["+Str$(n)+";"+Str$(m)+"H"; End Sub Sub HOME ' Equivalent to YX 1,1 Print Chr$(27)+"[1;1H"; End Sub Sub ClearScreen Print Chr$(27)+"[2J"; End Sub '''''''''''''''''''''' '''SIMPLE FUNCTIONS''' '''''''''''''''''''''' Sub dS S 'Display Numeric String and leave cursor where it stops. Print Str$(S); 'Print Char Data - don't use automatic space padding End Sub Sub GetDig D GD: D$ = Inkey$ If (d$<"0") Or (d$>"9") Then GoTo GD D = Asc(d$)-48 End Sub Sub GetKey A$ GK: A$ = Inkey$ If (A$ >= " ") And (A$ <= "z") Then Exit Sub 'If (a$ = "Y") Or (a$ = "y") Or (a$ = "N") Or (a$ = "n") Then Exit Sub GoTo GK End Sub Function MAX(a,b) 'self explained If a>= b Then: MAX=a:Else: MAX=b: EndIf End Function
'''''''''''''''''''''''''''''''''''''' '''''''''''TOWERS of HANOI'''''''''''' '''''''''''''''''''''''''''''''''''''' ''''''''''''By H W Holmes - Modified by Hugh Buckle''''''''''''' '''''''''''''''''''''''''''''''''''''' ''''''''''''Aug 9, 2014''''''''''''' '''''''''''''''''''''''''''''''''''''' ' TOWERS1.BAS 'This program plays the game of Towers of Hanoi for you. 'It is a programing exercise in recursion, that is, 'where a subroutine, in this case "TOWER", calls itself. 'It plays on a MaxiMite with PC keyboard and VGA screen 'It does NOT play in the chat window of MMEdit (I think) INFO: ''''''''''''''''''''''' '''Display Constants''' ''''''''''''''''''''''' Delay = 500 ' Change for speed of play - Not used a user is asked for speed TopRow = 8 ' CHANGE THIS TO MOVE Game UP OR DOWN THE SCREEN! '''''''''''''''' ''Tower Pieces'' '''''''''''''''' Dim TP$(9) TP$(0) = " M " ' Empty Peg TP$(1) = " 1M1 " ' Level 1 TP$(2) = " 22M22 " TP$(3) = " 333M333 " TP$(4) = " 4444M4444 " TP$(5) = " 55555M55555 " TP$(6) = " 666666M666666 " TP$(7) = "7777777M7777777" ' level 7 TP$(8) = "TTTTTTTTTTTTTTT" ' Base TP$(9) = " " ' ERASE disk Dim PL(3) 'Pin Level HMD: 'How many disks? ClearScreen HOME ' c 1.1 Print "This program plays the game of Towers of Hanoi for you." Print "Object: To Move Disks from 1 Pin To Another, 1 pin at a time," Print " never puting a larger Disk on a smaller one." ''''''''''''''' ''''Display'''' ''''''''''''''' D=0:S=0:E=0 ScreenBuild Print DL: Print "Game speed (1-5 1=fast) ?" ; : GetDig P : Print P If P<1 Or P>5 Then Print " Speed out of range! -> "; : GoTo DL Delay = p*100 DK: Print "How many Disks (1-7) ?" ; : GetDig D : Print D If D<1 Or D>7 Then Print "Disk Count Out of Range! -> "; : GoTo DK SP: Print "Starting on Pin (1-3) ?"; : GetDig S : Print S If S<1 Or S>3 Then Print "Pin # Out of Range! -> "; : GoTo SP EP: cnt = 0 Print "Move to Pin ("; If S<>1 Then Print "1";: cnt = 1: Print" OR "; ' 1 was not chosen to start If S<>2 Then ' 2 was not chosen to start Print "2"; : cnt = cnt + 1 If cnt = 1 Then Print " OR ";: Print "3"; 'must be the other not chosen Else Print "3"; 'must be the other not chosen EndIf Print ") "; : GetDig E : Print E' get end destination pin If E<1 Or E>3 Then Print "Pin # Out of Range! -> "; : GoTo EP If E=S Then Print "Pin # Same as Start Pin! -> "; : GoTo EP Print SUMARY: Print "Move" D " Disks From Pin" S " TO Pin" E " " ; Print "Correct? (Y,N) ";: GetKey A$ ' Did you type your choices correctly? Print A$; : If (A$ = "N") Or (A$ = "n") Then GoTo HMD If (A$ <> "Y") And (A$ <> "y") Then Print : Print "Press Y or N - "; : GoTo Sumary : EndIf SETUP: 'c y,x notes below indicate cursor position for calulating page layout ClearScreen HOME Print " T O W E R S O F H A N O I" ' c 2.1 Print "Object: To Move" D " Disks from Pin" S " To Pin" E ' c 3,1 Print "1 pin at a time, never puting a larger Disk on " Print "a smaller one." Print ' c 6,1 1 2 3 ' 123456789012345678901234567890123 Print "Moving Disk _ From Pin _ To Pin _." ' c 6,1 SHOW_MOVE Sub SHOW_MOVE d,s,e 'fills in the above blanks for disk and pins yx 5,12: dS d: cr 10: dS s: cr 8: dS e Pause Delay End Sub ' c 5,33 PLAY: ScreenBuild Sub ScreenBuild yx (toprow + 2,0) For I = 0 To 7 ' 8 peg levels - 0-7 Level = MAX(0,(I+D-7)) ' negative disk levels use empty peg (0) For J = 1 To 3 ' 3 pegs If Not (J = S) Then Print TP$(0); ' empty peg Else Print TP$(Level); ' Empty peg if Level = 0 EndIf Next J Print Next I For iI = 1 To 3: Print TP$(8);: Next: Print ' 3 wide base Print " PIN 1 PIN 2 PIN 3" ' ID labeling End Sub '''''''''''''''''''''''''' '''''''''THE GAME''''''''' '''''''''''''''''''''''''' 'set pin current relative levels of top disk down from top of pin INIT: PL(s) = 7-d PL(e) = 7 PL(6-e-s) = 7 TOWER d,s,e yx TopRow+12, 1 FINI: Print: Print "Play Again (Y,N) "; : GetKey A$ : Print A$ If (A$ = "N") Or (A$ = "n") Then Print " I Hope you liked chalenging me to play the game!": End : EndIf If (A$ <> "Y") And (A$ <> "y") Then Print "Press Y or N - "; : GoTo FINI : EndIf Pause 1000: GoTo HMD End Sub TOWER d,s,e Local Nd,Ns,Ne 'Next values for d,s,e If d <> 1 Then Nd = d-1: Ns = s: Ne = 6-s-e TOWER Nd,Ns,Ne EndIf MOVE d,s,e If d <> 1 Then Ns = Ne: Ne = e TOWER Nd,Ns,Ne EndIf End Sub Sub MOVE d,s,e SHOW_MOVE d,s,e ' Update the header line describing the current move 'Empty Current Pin Level & Move Up yx (toprow + 3 + PL(s),15*(S-1)): Print TP$(0); 'clear old pin position PL(s) = PL(s)+1 ' Adjuist Pin Level yx (toprow,15*(S-1)): Print TP$(d); 'place pin above to move sideways Pause Delay 'Clear Position & move Across yx (toprow,15*(s-1)): Print TP$(9); 'erase current disk position ' Do long move in two steps; comment out the whole if structure to speed up If Abs(s-e)=2 Then ' is this a long move? dir = Sgn(e-s) 'which way? 'place disk in intermediate position yx (toprow,15*(e-dir-1)): Print TP$(d); Pause Delay ' let disk settle 'erase disk from intermediate position yx (toprow,15*(s+dir-1)): Print TP$(9); EndIf ' Place Disk above destination pin yx (toprow,15*(e-1)): Print TP$(d); Pause Delay 'Clear position and Place Disk yx (toprow,15*(e-1)): Print TP$(9); 'Clear disk from top yx (toprow + 2 + PL(e),15*(e-1)): Print TP$(d); 'Place disk at end PL(e) = PL(e)-1 ' Adjuist Pin Level compensate pin level for new disk Pause Delay End Sub ''''''''''''''''''''''''''''''''''''' ''''''Cursor Control Subrouines'''''' ''''''''''''''''''''''''''''''''''''' Sub CU n ' UP Print Chr$(27)+"["+Str$(n)+"A"; End Sub Sub CD n ' Down Print Chr$(27)+"["+Str$(n)+"B"; End Sub Sub CR n ' Right (This is the only one I used once I wrote Sub YX) Print @(MM.HPos+n*6,MM.VPos) ""; End Sub Sub CL n ' Left Print Chr$(27)+"["+Str$(n)+"D"; End Sub Sub YX n, m ' Move cursor to Y,X - (VT100 is 1,1 based 'Multipliers (6 & 12) are for the standard font Print @(m*6,n*12); End Sub Sub HOME ' Equivalent to YX 1,1 Print @(0,0); End Sub Sub ClearScreen Cls End Sub '''''''''''''''''''''' '''SIMPLE FUNCTIONS''' '''''''''''''''''''''' Sub dS S 'Display Numeric String and leave cursor where it stops. Print Str$(S); 'Print Char Data - don't use automatic space padding End Sub Sub GetDig D GD: D$ = Inkey$ If (d$<"0") Or (d$>"9") Then GoTo GD D = Asc(d$)-48 End Sub Sub GetKey A$ GK: A$ = Inkey$ If (A$ >= " ") And (A$ <= "z") Then Exit Sub 'If (a$ = "Y") Or (a$ = "y") Or (a$ = "N") Or (a$ = "n") Then Exit Sub GoTo GK End Sub Function MAX(a,b) 'self explained If a>= b Then: MAX=a:Else: MAX=b: EndIf End Function
'''''''''''''''''''''''''''''''''''''' '''''''''''TOWERS of HANOI'''''''''''' '''''''''''''''''''''''''''''''''''''' ''''''''''''By H W Holmes - Modified by Hugh Buckle''''''''''''' '''''''''''''''''''''''''''''''''''''' ''''''''''''Aug 9, 2014''''''''''''' '''''''''''''''''''''''''''''''''''''' ' TOWERS2.BAS 'This program plays the game of Towers of Hanoi for you. 'It is a programing exercise in recursion, that is, 'where a subroutine, in this case "TOWER", calls itself. 'It plays on a MaxiMite with PC keyboard and VGA screen 'It does NOT play in the chat window of MMEdit (I think) 'It is the same as TOWER1.BAS except that it uses 'Towers.fnt to display pins and disks as graphics. INFO: ''''''''''''''''''''''' '''Display Constants''' ''''''''''''''''''''''' Delay = 500 ' Change for speed of play TopRow = 8 ' CHANGE THIS TO MOVE Game UP OR DOWN THE SCREEN! Font Load "Towers2.fnt" As 4 '''''''''''''''' ''Tower Pieces'' '''''''''''''''' Dim TP$(9) TP$(0) = "zzzzzzz|zzzzzzz" ' Empty Peg TP$(1) = "zzzzzz{|}zzzzzz" ' Level 1 TP$(2) = "zzzzz{~|~}zzzzz" TP$(3) = "zzzz{~~|~~}zzzz" TP$(4) = "zzz{~~~|~~~}zzz" TP$(5) = "zz{§§(admin,2016/12/17 18:39:15)§§|§§(admin,2016/12/17 18:39:15)§§}zz" TP$(6) = "z{§§(admin,2016/12/17 18:39:15)§§~|§§(admin,2016/12/17 18:39:15)§§~}z" TP$(7) = "{§§(admin,2016/12/17 18:39:15)§§~~|§§(admin,2016/12/17 18:39:15)§§~~}" ' level 7 TP$(8) = "§§(admin,2016/12/17 18:39:15)§§§§(admin,2016/12/17 18:39:15)§§§§(admin,2016/12/17 18:39:15)§§~~~" ' Base TP$(9) = "zzzzzzzzzzzzzzz" ' ERASE disk Dim PL(3) 'Pin Level HMD: 'How many disks? ClearScreen HOME ' c 1.1 Print "This program plays the game of Towers of Hanoi for you." Print "Object: To Move Disks from 1 Pin To Another, 1 pin at a time," Print " never puting a larger Disk on a smaller one." ''''''''''''''' ''''Display'''' ''''''''''''''' D=0:S=0:E=0 ScreenBuild Print DL: Print "Game speed (1-5 1=fast) ?" ; : GetDig P : Print P If P<1 Or P>5 Then Print " Speed out of range! -> "; : GoTo DL Delay = p*100 DK: Print "How many Disks (1-7) ?" ; : GetDig D : Print D If D<1 Or D>7 Then Print "Disk Count Out of Range! -> "; : GoTo DK SP: Print "Starting on Pin (1-3) ?"; : GetDig S : Print S If S<1 Or S>3 Then Print "Pin # Out of Range! -> "; : GoTo SP EP: cnt = 0 Print "Move to Pin ("; If S<>1 Then Print "1";: cnt = 1: Print" OR "; ' 1 was not chosen to start If S<>2 Then ' 2 was not chosen to start Print "2"; : cnt = cnt + 1 If cnt = 1 Then Print " OR ";: Print "3"; 'must be the other not chosen Else Print "3"; 'must be the other not chosen EndIf Print ") "; : GetDig E : Print E' get end destination pin If E<1 Or E>3 Then Print "Pin # Out of Range! -> "; : GoTo EP If E=S Then Print "Pin # Same as Start Pin! -> "; : GoTo EP Print SUMARY: Print "Move" D " Disks From Pin" S " TO Pin" E " " ; Print "Correct? (Y,N) ";: GetKey A$ ' Did you type your choices correctly? Print A$; : If (A$ = "N") Or (A$ = "n") Then GoTo HMD If (A$ <> "Y") And (A$ <> "y") Then Print : Print "Press Y or N - "; : GoTo Sumary : EndIf SETUP: 'c y,x notes below indicate cursor position for calulating page layout ClearScreen HOME Print " T O W E R S O F H A N O I" ' c 2.1 Print "Object: To Move" D " Disks from Pin" S " To Pin" E ' c 3,1 Print "1 pin at a time, never puting a larger Disk on " Print "a smaller one." Print ' c 6,1 1 2 3 ' 123456789012345678901234567890123 Print "Moving Disk _ From Pin _ To Pin _." ' c 6,1 SHOW_MOVE Sub SHOW_MOVE d,s,e 'fills in the above blanks for disk and pins yx 5,12: dS d: cr 10: dS s: cr 8: dS e Pause Delay End Sub ' c 5,33 PLAY: ScreenBuild Sub ScreenBuild Font 4 yx (toprow + 2,0) For I = 0 To 7 ' 8 peg levels - 0-7 Level = MAX(0,(I+D-7)) ' negative disk levels use empty peg (0) For J = 1 To 3 ' 3 pegs If Not (J = S) Then Print TP$(0); ' empty peg Else Print TP$(Level); ' Empty peg if Level = 0 EndIf Next J Print Next I For iI = 1 To 3: Print TP$(8);: Next: Print ' 3 wide base Font 1 Print " PIN 1 PIN 2 PIN 3" ' ID labeling End Sub '''''''''''''''''''''''''' '''''''''THE GAME''''''''' '''''''''''''''''''''''''' 'set pin current relative levels of top disk down from top of pin INIT: PL(s) = 7-d PL(e) = 7 PL(6-e-s) = 7 TOWER d,s,e yx TopRow+12, 1 FINI: Print: Print "Play Again (Y,N) "; : GetKey A$ : Print A$ If (A$ = "N") Or (A$ = "n") Then Print " I Hope you liked chalenging me to play the game!": End : EndIf If (A$ <> "Y") And (A$ <> "y") Then Print "Press Y or N - "; : GoTo FINI : EndIf Pause 1000: GoTo HMD End Sub TOWER d,s,e Local Nd,Ns,Ne 'Next values for d,s,e If d <> 1 Then Nd = d-1: Ns = s: Ne = 6-s-e TOWER Nd,Ns,Ne EndIf MOVE d,s,e If d <> 1 Then Ns = Ne: Ne = e TOWER Nd,Ns,Ne EndIf End Sub Sub MOVE d,s,e SHOW_MOVE d,s,e ' Update the header line describing the current move Font 4 'Empty Current Pin Level & Move Up yx (toprow + 3 + PL(s),15*(S-1)): Print TP$(0); 'clear old pin position PL(s) = PL(s)+1 ' Adjuist Pin Level yx (toprow,15*(S-1)): Print TP$(d); 'place pin above to move sideways Pause Delay 'Clear Position & move Across yx (toprow,15*(s-1)): Print TP$(9); 'erase current disk position ' Do long move in two steps; comment out the whole if structure to speed up If Abs(s-e)=2 Then ' is this a long move? dir = Sgn(e-s) 'which way? 'place disk in intermediate position yx (toprow,15*(e-dir-1)): Print TP$(d); Pause Delay ' let disk settle 'erase disk from intermediate position yx (toprow,15*(s+dir-1)): Print TP$(9); EndIf ' Place Disk above destination pin yx (toprow,15*(e-1)): Print TP$(d); Pause Delay 'Clear position and Place Disk yx (toprow,15*(e-1)): Print TP$(9); 'Clear disk from top yx (toprow + 2 + PL(e),15*(e-1)): Print TP$(d); 'Place disk at end PL(e) = PL(e)-1 ' Adjuist Pin Level compensate pin level for new disk Pause Delay Font 1 End Sub ''''''''''''''''''''''''''''''''''''' ''''''Cursor Control Subrouines'''''' ''''''''''''''''''''''''''''''''''''' Sub CU n ' UP Print Chr$(27)+"["+Str$(n)+"A"; End Sub Sub CD n ' Down Print Chr$(27)+"["+Str$(n)+"B"; End Sub Sub CR n ' Right (This is the only one I used once I wrote Sub YX) Print @(MM.HPos+n*6,MM.VPos) ""; End Sub Sub CL n ' Left Print Chr$(27)+"["+Str$(n)+"D"; End Sub Sub YX n, m ' Move cursor to Y,X - (VT100 is 1,1 based 'Multipliers (6 & 12) are for the standard font Print @(m*6,n*12); End Sub Sub HOME ' Equivalent to YX 1,1 Print @(0,0); End Sub Sub ClearScreen Cls End Sub '''''''''''''''''''''' '''SIMPLE FUNCTIONS''' '''''''''''''''''''''' Sub dS S 'Display Numeric String and leave cursor where it stops. Print Str$(S); 'Print Char Data - don't use automatic space padding End Sub Sub GetDig D GD: D$ = Inkey$ If (d$<"0") Or (d$>"9") Then GoTo GD D = Asc(d$)-48 End Sub Sub GetKey A$ GK: A$ = Inkey$ If (A$ >= " ") And (A$ <= "z") Then Exit Sub 'If (a$ = "Y") Or (a$ = "y") Or (a$ = "N") Or (a$ = "n") Then Exit Sub GoTo GK End Sub Function MAX(a,b) 'self explained If a>= b Then: MAX=a:Else: MAX=b: EndIf End Function