Width Statements - Epson LX-86TM User Manual

the maximum number of dots you can reserve on the IX86, then, is:
C H R $ ( 2 7 ) " Z " C H R $ ( 1 2 8 ) C H R $ ( 7 ) ;
or, in the other format:
C H R $ ( 2 7 ) " * " C H R $ ( 3 ) C H R $ ( l 2 8 ) C H R $ ( 7 ) ;
which is 128
row.
Once you have chosen the number of columns you want to use,
you can have your program do the calculations for you with the
following format:
CHR$ (27) "L" CHR$ (N MOD 256) CHR$ (INT(N/256));
N is the total number of columns you want to specify. The MOD
(modulus) function calculates the value for n
function calculates the value for n
than BASIC, consult your manual for the proper form for these
functions.
This format can be used with any graphics density and with any
value of N up to the maximum number of columns per line for that
density.

WIDTH Statements

Many computer systems automatically insert the control codes for
a carriage return and a line feed after every 80 characters. This inser-
tion is usually no problem with text, but it can spoil your graphics. In
the graphics mode they may insert the control codes after 120 col-
umns, which could be in the middle of a line.
You can usually prevent these unwanted control codes with a
WIDTH statement such as the one below:
WIDTH LPRINT 255
The format for your system may be different. Consult your computer
or computer language manual to find the correct format for your
system. Then put a WIDTH statement in one of the first lines of all
your graphics programs. It is easier to put a WIDTH statement in all
but the simplest of your programs than to examine each one to see
whether or not such a statement is necessary.
80
dots plus 7 times 256 dots, for a total of 1920 dots in one
, and the INT (integer)
l
. For programming languages other
2