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BASIC-80
Commands
and
Statements
As can be seen,
PRINT
USING
"!"
prints a string consisting of the first letters
of
each string.
PRINT
USING \ 2 spaces \ prints a string consisting
of
four
characters from X$
(3
plus a space) and four from
Y$
(also 3 plus a space).
If
Y$="SEVEN",
the result printed when line
40
is
executed would be:
ONE SEVE
and if
X$="SEVEN"
and
Y$="EIGHT",
the results of line 40 would be:
SEVEEIGH
Numeric fields
The
PRINT
USING formatting characters specify right justification, leading dollar
signs, plus or minus signs, exponentiation, asterisk fills, or insertion
of
commas.
Each
of
the BASIC-80 format characters
is
explained in the following section.
I The number
or
sharp sign
(H)
indicates the position of digits.
If
the number to
be printed
is
too small to fill all
of
the digit positions specified
to
the left
of
the decimal point, leading spaces print to fill the entire field. An integer can
print as up to five digits, single precision floating-point up
to
seven digits,
and double precision floating-point up to fifteen digits.
• The decimal point can be inserted in any position in the field.
If
the format
specifies
that
a digit follows the decimal point, the digit always prints,
whether it
is
a 0 or another number. Numbers are rounded as necessary.
PRINT USING
"IH.II";
41.287
41.29
PRINT USING
"IH.HI";
71/100
0.71
+ The plus sign
(+)
is
used
at
the beginning or end of the field
of
format
characters. Insertion of this character prints a plus or minus sign, depending
on the sign
of
the number,
at
the beginning or end of the number,
respectively.
**
The minus sign
(-)
is
used
at
the right
of
the format character field to force
printing
of
a trailing minus sign if the number
is
negative.
If
it is positive, a
space
is
printed.
If
neither
(+)
or
(-)
is
included in the format, a negative
number
is
printed with a leading
(-).
PRINT
USING"
+H.IH";
4.89; -2.6689
+4.89
-2.67
PRINT USING
"IH.H-";
-5.8;
96.2
5.8-
96.2
The double asterisk (**) fills any leading blank spaces in the number format
with asterisks. This symbol also specifies positions for two more digits.
PRINT USING "**HH.H"; 4.8;
243.3
***4.8 *243.3
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