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P/+mtext2

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_User_Group » EUG_34.ADF
Filename: P/+mtext2
Read OK: ✔
File size: 1672 bytes
Load address: 2B206576
Exec address: 7865746D
File contents
10 MODE4
20 FOR A=2 TO 6:PRINTTAB(1,A)STRING$(39,"_"):NEXT

That's one staff drawn. The notes need to be defined and for this  we need
to resort to some paper. Or you may have a character defining program. I
have one somewhere, I'll take a look at it and see if it can be published
in EUG.

Draw a grid, 8 x 8 boxes. fill in the boxes which will make the shape you
want. Now working horizontaly, the first box has a value of 128, the 2ed =
64, the 3rd = 32, 4th = 16, 5th = 8, 6th = 4, 7th = 2 and 8th = 1.

Start from the first horizontal row at the top. check which boxes have
been filled in and add those values together. 

         ________________________________
        |___|___|___|___|___|___|_ _|___| no boxes = 0
        |___|___|___|_X_|_X_|___|___|___| 4th and 5th = 16+8=24
        |___|___|_X_|___|___|_X_|___|___| 3rd and 6th = 32+4=36
        |___|_X_|___|___|___|___|_X_|___| 2ed and 7th = 64+2=66
        |___|_X_|___|___|___|___|_X_|___| 2ed and 7th = 64+2=66
        |___|___|_X_|___|___|_X_|___|___| 3rd and 6th = 32+4=36
        |___|___|___|_X_|_X_|___|___|___| 4th and 5th = 16+8=36
        |___|___|___|___|___|___|___|___| no boxes = 0
         128  64  32  16  8   4   2   1

Now type in VDU23,224, 0 , 24, 36, 66, 66, 36, 36, 0
                      1st,2ed,3rd,4th,5th,6th,7th,8th

Check the character by typing PRINT CHR$226 <ret>

These numbers are different from those used for this character in the
program, these numbers were used for clarity.

The number after 24 in this case 226 is the ASCII code for the character
just defined. You can use any number between 224 and 255 so the next
character you define might be VDU24,225,ect..

To call this character I used a procedure.

DEF PROCs(h,v):PRINTTAB(h,v)CHR$226:ENDPROC

DEF means define a procedure or function. Immediately following DEF comes
the name of the procedure PROCs. In this case PROCs is followed by two
variables within brackets. When this procedure is called the call will
include definations for these two variables. The procedure itself is
simply a PRINTTAB statement, the parameters for PRINTTAB are the variables
sent by the procedure call. Remenber in a PRINTTAB statement, two numbers
must be included which will dictate the horizontal and vertical position
on the screen of where the character to be printed is to be.

This character is fine for between the lines F, A, C, and E but for the
notes on the lines we need something else. If we define 2 semicircles, one
facing up, the other facing down, then program them to be placed into
position together the effect will be acheved. 

This is a lot easier that you might think.

The characters were defined as CHR$224 for the lower half of the circle
and CHR$225 for the upper half.

I'm not going to describe again how a character is defined but for the
lower semicircle the cup side sits on the top row of the grid and the
curve sits 3 rows down. The other semicircle ofcourse is the exact
opposite.

VDU24,224,66,66,60,0,0,0,0,0 and VDU24,225,0,0,0,0,0,60,66,66

The procedure was defined as:

DEF PROCl(h,v,v1):PRINTTAB(h,v)CHR$225:PRINTTAB(h,v1)CHR$224:ENDPROC

Here the procedure name had three variables, h,v  and v1. In the PRINTTAB
statements both shared h which is the horizontal position but one used v
for its vertical while the other used v1.

The a%=INSTR( line which was used above and in the EUG menu is used in
this program. This line has a REPEAT UNTIL loop, the REPEAT is before
a%=INSTR( and UNTIL is at the end. The loop will cycle indefinately so
that when a key is pressed, the relevant action is taken then the cycle
will continue testing for another key press and so on.

The procedures are called by:

IF a%=1PROCl(h%,v%,(v%+1)):c%=88

c% is the value for the pitch in the SOUND command.

Now I said that when the procedure is called it will include values for
the variables defined in the procedure name. What I've done here is to use
other variables to define those variables. The reason is that when this
key is pressed it will place a character (2 in fact, this note sits on a
line) onto the staff in a particular place. But the next note will need to
be further along so the TAB positions will need to be altered each time.
This is done by using some surprisingly simple arithmetic to produce the
values h% and v%. The third value is simply v% with 1 added.

h% is the number of spaces away from the left hand side of the screen. It
must change by 2 each time and also if the right hand side of the screen
is reached it will need to be brought back to the start. h% will take the
printing down to the next staff.

I defined another variable to take care of h% and v%. Surprisingly it's
called b%.

Initially b% was given the value 0 from outside the REPEAT UNTIL loop. It
will keep this value until the end of the loop a line:

b%=b%+2

will add 2 to it. It won't get to the end of the loop until a key has been
pressed. So for the first key press b% will = 0, for the second b% will =
2 and so on.

Back at the start of the loop were 3 lines:

IF b%<38v%=a%:ELSE v%=a%+8
IF b%>75v%=a%+16
IF b%>112END

b% will be less than 38 while printing on the first staff. So here v% will
be equal to a%. So in the example line printed above the second two v%
variables  (h%,v%,(v%+1)) will equal 1 and 2. 

If b% was more than 38 v% would be equal to a% plus 8, so in our example
a%=1, a%+8=9. v%=9 v%+1=10. This is to print onto the second staff. 

If b% was more than 75 v% would be equal to a%+16

Now there is an important point here. Pressing the first key, a%=1 so the
vertical printing positions will be 1 for the top half and 2 for the
bottom.

Pressing the second key a%=2 so the vertical printing positions will be 2
for the top half anf 3 for the bottom.


00000000  0d 31 30 20 4d 4f 44 45  34 0d 32 30 20 46 4f 52  |.10 MODE4.20 FOR|
00000010  20 41 3d 32 20 54 4f 20  36 3a 50 52 49 4e 54 54  | A=2 TO 6:PRINTT|
00000020  41 42 28 31 2c 41 29 53  54 52 49 4e 47 24 28 33  |AB(1,A)STRING$(3|
00000030  39 2c 22 5f 22 29 3a 4e  45 58 54 0d 0d 54 68 61  |9,"_"):NEXT..Tha|
00000040  74 27 73 20 6f 6e 65 20  73 74 61 66 66 20 64 72  |t's one staff dr|
00000050  61 77 6e 2e 20 54 68 65  20 6e 6f 74 65 73 20 6e  |awn. The notes n|
00000060  65 65 64 20 74 6f 20 62  65 20 64 65 66 69 6e 65  |eed to be define|
00000070  64 20 61 6e 64 20 66 6f  72 20 74 68 69 73 20 20  |d and for this  |
00000080  77 65 20 6e 65 65 64 0d  74 6f 20 72 65 73 6f 72  |we need.to resor|
00000090  74 20 74 6f 20 73 6f 6d  65 20 70 61 70 65 72 2e  |t to some paper.|
000000a0  20 4f 72 20 79 6f 75 20  6d 61 79 20 68 61 76 65  | Or you may have|
000000b0  20 61 20 63 68 61 72 61  63 74 65 72 20 64 65 66  | a character def|
000000c0  69 6e 69 6e 67 20 70 72  6f 67 72 61 6d 2e 20 49  |ining program. I|
000000d0  0d 68 61 76 65 20 6f 6e  65 20 73 6f 6d 65 77 68  |.have one somewh|
000000e0  65 72 65 2c 20 49 27 6c  6c 20 74 61 6b 65 20 61  |ere, I'll take a|
000000f0  20 6c 6f 6f 6b 20 61 74  20 69 74 20 61 6e 64 20  | look at it and |
00000100  73 65 65 20 69 66 20 69  74 20 63 61 6e 20 62 65  |see if it can be|
00000110  20 70 75 62 6c 69 73 68  65 64 0d 69 6e 20 45 55  | published.in EU|
00000120  47 2e 0d 0d 44 72 61 77  20 61 20 67 72 69 64 2c  |G...Draw a grid,|
00000130  20 38 20 78 20 38 20 62  6f 78 65 73 2e 20 66 69  | 8 x 8 boxes. fi|
00000140  6c 6c 20 69 6e 20 74 68  65 20 62 6f 78 65 73 20  |ll in the boxes |
00000150  77 68 69 63 68 20 77 69  6c 6c 20 6d 61 6b 65 20  |which will make |
00000160  74 68 65 20 73 68 61 70  65 20 79 6f 75 0d 77 61  |the shape you.wa|
00000170  6e 74 2e 20 4e 6f 77 20  77 6f 72 6b 69 6e 67 20  |nt. Now working |
00000180  68 6f 72 69 7a 6f 6e 74  61 6c 79 2c 20 74 68 65  |horizontaly, the|
00000190  20 66 69 72 73 74 20 62  6f 78 20 68 61 73 20 61  | first box has a|
000001a0  20 76 61 6c 75 65 20 6f  66 20 31 32 38 2c 20 74  | value of 128, t|
000001b0  68 65 20 32 65 64 20 3d  0d 36 34 2c 20 74 68 65  |he 2ed =.64, the|
000001c0  20 33 72 64 20 3d 20 33  32 2c 20 34 74 68 20 3d  | 3rd = 32, 4th =|
000001d0  20 31 36 2c 20 35 74 68  20 3d 20 38 2c 20 36 74  | 16, 5th = 8, 6t|
000001e0  68 20 3d 20 34 2c 20 37  74 68 20 3d 20 32 20 61  |h = 4, 7th = 2 a|
000001f0  6e 64 20 38 74 68 20 3d  20 31 2e 0d 0d 53 74 61  |nd 8th = 1...Sta|
00000200  72 74 20 66 72 6f 6d 20  74 68 65 20 66 69 72 73  |rt from the firs|
00000210  74 20 68 6f 72 69 7a 6f  6e 74 61 6c 20 72 6f 77  |t horizontal row|
00000220  20 61 74 20 74 68 65 20  74 6f 70 2e 20 63 68 65  | at the top. che|
00000230  63 6b 20 77 68 69 63 68  20 62 6f 78 65 73 20 68  |ck which boxes h|
00000240  61 76 65 0d 62 65 65 6e  20 66 69 6c 6c 65 64 20  |ave.been filled |
00000250  69 6e 20 61 6e 64 20 61  64 64 20 74 68 6f 73 65  |in and add those|
00000260  20 76 61 6c 75 65 73 20  74 6f 67 65 74 68 65 72  | values together|
00000270  2e 20 0d 0d 20 20 20 20  20 20 20 20 20 5f 5f 5f  |. ..         ___|
00000280  5f 5f 5f 5f 5f 5f 5f 5f  5f 5f 5f 5f 5f 5f 5f 5f  |________________|
00000290  5f 5f 5f 5f 5f 5f 5f 5f  5f 5f 5f 5f 5f 0d 20 20  |_____________.  |
000002a0  20 20 20 20 20 20 7c 5f  5f 5f 7c 5f 5f 5f 7c 5f  |      |___|___|_|
000002b0  5f 5f 7c 5f 5f 5f 7c 5f  5f 5f 7c 5f 5f 5f 7c 5f  |__|___|___|___|_|
000002c0  20 5f 7c 5f 5f 5f 7c 20  6e 6f 20 62 6f 78 65 73  | _|___| no boxes|
000002d0  20 3d 20 30 0d 20 20 20  20 20 20 20 20 7c 5f 5f  | = 0.        |__|
000002e0  5f 7c 5f 5f 5f 7c 5f 5f  5f 7c 5f 58 5f 7c 5f 58  |_|___|___|_X_|_X|
000002f0  5f 7c 5f 5f 5f 7c 5f 5f  5f 7c 5f 5f 5f 7c 20 34  |_|___|___|___| 4|
00000300  74 68 20 61 6e 64 20 35  74 68 20 3d 20 31 36 2b  |th and 5th = 16+|
00000310  38 3d 32 34 0d 20 20 20  20 20 20 20 20 7c 5f 5f  |8=24.        |__|
00000320  5f 7c 5f 5f 5f 7c 5f 58  5f 7c 5f 5f 5f 7c 5f 5f  |_|___|_X_|___|__|
00000330  5f 7c 5f 58 5f 7c 5f 5f  5f 7c 5f 5f 5f 7c 20 33  |_|_X_|___|___| 3|
00000340  72 64 20 61 6e 64 20 36  74 68 20 3d 20 33 32 2b  |rd and 6th = 32+|
00000350  34 3d 33 36 0d 20 20 20  20 20 20 20 20 7c 5f 5f  |4=36.        |__|
00000360  5f 7c 5f 58 5f 7c 5f 5f  5f 7c 5f 5f 5f 7c 5f 5f  |_|_X_|___|___|__|
00000370  5f 7c 5f 5f 5f 7c 5f 58  5f 7c 5f 5f 5f 7c 20 32  |_|___|_X_|___| 2|
00000380  65 64 20 61 6e 64 20 37  74 68 20 3d 20 36 34 2b  |ed and 7th = 64+|
00000390  32 3d 36 36 0d 20 20 20  20 20 20 20 20 7c 5f 5f  |2=66.        |__|
000003a0  5f 7c 5f 58 5f 7c 5f 5f  5f 7c 5f 5f 5f 7c 5f 5f  |_|_X_|___|___|__|
000003b0  5f 7c 5f 5f 5f 7c 5f 58  5f 7c 5f 5f 5f 7c 20 32  |_|___|_X_|___| 2|
000003c0  65 64 20 61 6e 64 20 37  74 68 20 3d 20 36 34 2b  |ed and 7th = 64+|
000003d0  32 3d 36 36 0d 20 20 20  20 20 20 20 20 7c 5f 5f  |2=66.        |__|
000003e0  5f 7c 5f 5f 5f 7c 5f 58  5f 7c 5f 5f 5f 7c 5f 5f  |_|___|_X_|___|__|
000003f0  5f 7c 5f 58 5f 7c 5f 5f  5f 7c 5f 5f 5f 7c 20 33  |_|_X_|___|___| 3|
00000400  72 64 20 61 6e 64 20 36  74 68 20 3d 20 33 32 2b  |rd and 6th = 32+|
00000410  34 3d 33 36 0d 20 20 20  20 20 20 20 20 7c 5f 5f  |4=36.        |__|
00000420  5f 7c 5f 5f 5f 7c 5f 5f  5f 7c 5f 58 5f 7c 5f 58  |_|___|___|_X_|_X|
00000430  5f 7c 5f 5f 5f 7c 5f 5f  5f 7c 5f 5f 5f 7c 20 34  |_|___|___|___| 4|
00000440  74 68 20 61 6e 64 20 35  74 68 20 3d 20 31 36 2b  |th and 5th = 16+|
00000450  38 3d 33 36 0d 20 20 20  20 20 20 20 20 7c 5f 5f  |8=36.        |__|
00000460  5f 7c 5f 5f 5f 7c 5f 5f  5f 7c 5f 5f 5f 7c 5f 5f  |_|___|___|___|__|
00000470  5f 7c 5f 5f 5f 7c 5f 5f  5f 7c 5f 5f 5f 7c 20 6e  |_|___|___|___| n|
00000480  6f 20 62 6f 78 65 73 20  3d 20 30 0d 20 20 20 20  |o boxes = 0.    |
00000490  20 20 20 20 20 31 32 38  20 20 36 34 20 20 33 32  |     128  64  32|
000004a0  20 20 31 36 20 20 38 20  20 20 34 20 20 20 32 20  |  16  8   4   2 |
000004b0  20 20 31 0d 0d 4e 6f 77  20 74 79 70 65 20 69 6e  |  1..Now type in|
000004c0  20 56 44 55 32 33 2c 32  32 34 2c 20 30 20 2c 20  | VDU23,224, 0 , |
000004d0  32 34 2c 20 33 36 2c 20  36 36 2c 20 36 36 2c 20  |24, 36, 66, 66, |
000004e0  33 36 2c 20 33 36 2c 20  30 0d 20 20 20 20 20 20  |36, 36, 0.      |
000004f0  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000500  31 73 74 2c 32 65 64 2c  33 72 64 2c 34 74 68 2c  |1st,2ed,3rd,4th,|
00000510  35 74 68 2c 36 74 68 2c  37 74 68 2c 38 74 68 0d  |5th,6th,7th,8th.|
00000520  0d 43 68 65 63 6b 20 74  68 65 20 63 68 61 72 61  |.Check the chara|
00000530  63 74 65 72 20 62 79 20  74 79 70 69 6e 67 20 50  |cter by typing P|
00000540  52 49 4e 54 20 43 48 52  24 32 32 36 20 3c 72 65  |RINT CHR$226 <re|
00000550  74 3e 0d 0d 54 68 65 73  65 20 6e 75 6d 62 65 72  |t>..These number|
00000560  73 20 61 72 65 20 64 69  66 66 65 72 65 6e 74 20  |s are different |
00000570  66 72 6f 6d 20 74 68 6f  73 65 20 75 73 65 64 20  |from those used |
00000580  66 6f 72 20 74 68 69 73  20 63 68 61 72 61 63 74  |for this charact|
00000590  65 72 20 69 6e 20 74 68  65 0d 70 72 6f 67 72 61  |er in the.progra|
000005a0  6d 2c 20 74 68 65 73 65  20 6e 75 6d 62 65 72 73  |m, these numbers|
000005b0  20 77 65 72 65 20 75 73  65 64 20 66 6f 72 20 63  | were used for c|
000005c0  6c 61 72 69 74 79 2e 0d  0d 54 68 65 20 6e 75 6d  |larity...The num|
000005d0  62 65 72 20 61 66 74 65  72 20 32 34 20 69 6e 20  |ber after 24 in |
000005e0  74 68 69 73 20 63 61 73  65 20 32 32 36 20 69 73  |this case 226 is|
000005f0  20 74 68 65 20 41 53 43  49 49 20 63 6f 64 65 20  | the ASCII code |
00000600  66 6f 72 20 74 68 65 20  63 68 61 72 61 63 74 65  |for the characte|
00000610  72 0d 6a 75 73 74 20 64  65 66 69 6e 65 64 2e 20  |r.just defined. |
00000620  59 6f 75 20 63 61 6e 20  75 73 65 20 61 6e 79 20  |You can use any |
00000630  6e 75 6d 62 65 72 20 62  65 74 77 65 65 6e 20 32  |number between 2|
00000640  32 34 20 61 6e 64 20 32  35 35 20 73 6f 20 74 68  |24 and 255 so th|
00000650  65 20 6e 65 78 74 0d 63  68 61 72 61 63 74 65 72  |e next.character|
00000660  20 79 6f 75 20 64 65 66  69 6e 65 20 6d 69 67 68  | you define migh|
00000670  74 20 62 65 20 56 44 55  32 34 2c 32 32 35 2c 65  |t be VDU24,225,e|
00000680  63 74 2e 2e 0d 0d 54 6f  20 63 61 6c 6c 20 74 68  |ct....To call th|
00000690  69 73 20 63 68 61 72 61  63 74 65 72 20 49 20 75  |is character I u|
000006a0  73 65 64 20 61 20 70 72  6f 63 65 64 75 72 65 2e  |sed a procedure.|
000006b0  0d 0d 44 45 46 20 50 52  4f 43 73 28 68 2c 76 29  |..DEF PROCs(h,v)|
000006c0  3a 50 52 49 4e 54 54 41  42 28 68 2c 76 29 43 48  |:PRINTTAB(h,v)CH|
000006d0  52 24 32 32 36 3a 45 4e  44 50 52 4f 43 0d 0d 44  |R$226:ENDPROC..D|
000006e0  45 46 20 6d 65 61 6e 73  20 64 65 66 69 6e 65 20  |EF means define |
000006f0  61 20 70 72 6f 63 65 64  75 72 65 20 6f 72 20 66  |a procedure or f|
00000700  75 6e 63 74 69 6f 6e 2e  20 49 6d 6d 65 64 69 61  |unction. Immedia|
00000710  74 65 6c 79 20 66 6f 6c  6c 6f 77 69 6e 67 20 44  |tely following D|
00000720  45 46 20 63 6f 6d 65 73  0d 74 68 65 20 6e 61 6d  |EF comes.the nam|
00000730  65 20 6f 66 20 74 68 65  20 70 72 6f 63 65 64 75  |e of the procedu|
00000740  72 65 20 50 52 4f 43 73  2e 20 49 6e 20 74 68 69  |re PROCs. In thi|
00000750  73 20 63 61 73 65 20 50  52 4f 43 73 20 69 73 20  |s case PROCs is |
00000760  66 6f 6c 6c 6f 77 65 64  20 62 79 20 74 77 6f 0d  |followed by two.|
00000770  76 61 72 69 61 62 6c 65  73 20 77 69 74 68 69 6e  |variables within|
00000780  20 62 72 61 63 6b 65 74  73 2e 20 57 68 65 6e 20  | brackets. When |
00000790  74 68 69 73 20 70 72 6f  63 65 64 75 72 65 20 69  |this procedure i|
000007a0  73 20 63 61 6c 6c 65 64  20 74 68 65 20 63 61 6c  |s called the cal|
000007b0  6c 20 77 69 6c 6c 0d 69  6e 63 6c 75 64 65 20 64  |l will.include d|
000007c0  65 66 69 6e 61 74 69 6f  6e 73 20 66 6f 72 20 74  |efinations for t|
000007d0  68 65 73 65 20 74 77 6f  20 76 61 72 69 61 62 6c  |hese two variabl|
000007e0  65 73 2e 20 54 68 65 20  70 72 6f 63 65 64 75 72  |es. The procedur|
000007f0  65 20 69 74 73 65 6c 66  20 69 73 0d 73 69 6d 70  |e itself is.simp|
00000800  6c 79 20 61 20 50 52 49  4e 54 54 41 42 20 73 74  |ly a PRINTTAB st|
00000810  61 74 65 6d 65 6e 74 2c  20 74 68 65 20 70 61 72  |atement, the par|
00000820  61 6d 65 74 65 72 73 20  66 6f 72 20 50 52 49 4e  |ameters for PRIN|
00000830  54 54 41 42 20 61 72 65  20 74 68 65 20 76 61 72  |TTAB are the var|
00000840  69 61 62 6c 65 73 0d 73  65 6e 74 20 62 79 20 74  |iables.sent by t|
00000850  68 65 20 70 72 6f 63 65  64 75 72 65 20 63 61 6c  |he procedure cal|
00000860  6c 2e 20 52 65 6d 65 6e  62 65 72 20 69 6e 20 61  |l. Remenber in a|
00000870  20 50 52 49 4e 54 54 41  42 20 73 74 61 74 65 6d  | PRINTTAB statem|
00000880  65 6e 74 2c 20 74 77 6f  20 6e 75 6d 62 65 72 73  |ent, two numbers|
00000890  0d 6d 75 73 74 20 62 65  20 69 6e 63 6c 75 64 65  |.must be include|
000008a0  64 20 77 68 69 63 68 20  77 69 6c 6c 20 64 69 63  |d which will dic|
000008b0  74 61 74 65 20 74 68 65  20 68 6f 72 69 7a 6f 6e  |tate the horizon|
000008c0  74 61 6c 20 61 6e 64 20  76 65 72 74 69 63 61 6c  |tal and vertical|
000008d0  20 70 6f 73 69 74 69 6f  6e 0d 6f 6e 20 74 68 65  | position.on the|
000008e0  20 73 63 72 65 65 6e 20  6f 66 20 77 68 65 72 65  | screen of where|
000008f0  20 74 68 65 20 63 68 61  72 61 63 74 65 72 20 74  | the character t|
00000900  6f 20 62 65 20 70 72 69  6e 74 65 64 20 69 73 20  |o be printed is |
00000910  74 6f 20 62 65 2e 0d 0d  54 68 69 73 20 63 68 61  |to be...This cha|
00000920  72 61 63 74 65 72 20 69  73 20 66 69 6e 65 20 66  |racter is fine f|
00000930  6f 72 20 62 65 74 77 65  65 6e 20 74 68 65 20 6c  |or between the l|
00000940  69 6e 65 73 20 46 2c 20  41 2c 20 43 2c 20 61 6e  |ines F, A, C, an|
00000950  64 20 45 20 62 75 74 20  66 6f 72 20 74 68 65 0d  |d E but for the.|
00000960  6e 6f 74 65 73 20 6f 6e  20 74 68 65 20 6c 69 6e  |notes on the lin|
00000970  65 73 20 77 65 20 6e 65  65 64 20 73 6f 6d 65 74  |es we need somet|
00000980  68 69 6e 67 20 65 6c 73  65 2e 20 49 66 20 77 65  |hing else. If we|
00000990  20 64 65 66 69 6e 65 20  32 20 73 65 6d 69 63 69  | define 2 semici|
000009a0  72 63 6c 65 73 2c 20 6f  6e 65 0d 66 61 63 69 6e  |rcles, one.facin|
000009b0  67 20 75 70 2c 20 74 68  65 20 6f 74 68 65 72 20  |g up, the other |
000009c0  66 61 63 69 6e 67 20 64  6f 77 6e 2c 20 74 68 65  |facing down, the|
000009d0  6e 20 70 72 6f 67 72 61  6d 20 74 68 65 6d 20 74  |n program them t|
000009e0  6f 20 62 65 20 70 6c 61  63 65 64 20 69 6e 74 6f  |o be placed into|
000009f0  0d 70 6f 73 69 74 69 6f  6e 20 74 6f 67 65 74 68  |.position togeth|
00000a00  65 72 20 74 68 65 20 65  66 66 65 63 74 20 77 69  |er the effect wi|
00000a10  6c 6c 20 62 65 20 61 63  68 65 76 65 64 2e 20 0d  |ll be acheved. .|
00000a20  0d 54 68 69 73 20 69 73  20 61 20 6c 6f 74 20 65  |.This is a lot e|
00000a30  61 73 69 65 72 20 74 68  61 74 20 79 6f 75 20 6d  |asier that you m|
00000a40  69 67 68 74 20 74 68 69  6e 6b 2e 0d 0d 54 68 65  |ight think...The|
00000a50  20 63 68 61 72 61 63 74  65 72 73 20 77 65 72 65  | characters were|
00000a60  20 64 65 66 69 6e 65 64  20 61 73 20 43 48 52 24  | defined as CHR$|
00000a70  32 32 34 20 66 6f 72 20  74 68 65 20 6c 6f 77 65  |224 for the lowe|
00000a80  72 20 68 61 6c 66 20 6f  66 20 74 68 65 20 63 69  |r half of the ci|
00000a90  72 63 6c 65 0d 61 6e 64  20 43 48 52 24 32 32 35  |rcle.and CHR$225|
00000aa0  20 66 6f 72 20 74 68 65  20 75 70 70 65 72 20 68  | for the upper h|
00000ab0  61 6c 66 2e 0d 0d 49 27  6d 20 6e 6f 74 20 67 6f  |alf...I'm not go|
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00001670  0d 0d                                             |..|
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