Sharp MZ-800 User Manual

IF ~ THEN ~ :ELSE
Format IF { <relational expression> | THEN { <statement>
\ <logical expression > } <line number >
<label>
(:ELSE {<statement> )]
<line number >
<label>
Abbreviated Format
IF ~TH.~:EL.
IF ~ THEN ~:ELSE statements are used to control branching of program execu-
tion according to the result of a logical or relational expression. When the result
of such an expression is true, statements following THEN are executed. If a line
number is specified following THEN, program execution jumps to that line of the
program.
If the result of the logical or relational expression is false, statements following ELSE
are executed. If a line number is specified following ELSE, program execution jumps
to that line.
If :ELSE is omitted and the result of expression is false, execution continues with
the next program line after the IF~ THEN statement.
Explanation
(When ELSE is not used) (When ELSE is used)
‘onditional
expression
atistiod?
NO ‘onditional
‘expression
satisfied?
YES YES
[ THEN THEN
Wa line number [if a statement || |if'aline number [I a statement
of label is is specified, it is|| | or labet is ified, it is
specified executed specified. executed.
J
Execution jumps
to the specified
line oF label.
Execution jumps Afterwards, pro-
to the specified — gram execution
line or label. advances to the
next line.
Afterwards, pro- |
gram execution
advances to the
ext line
ELSE
If a line number |If # statement
is specified, it is
executed.
To next line
6-20
Execution jumps
to the specified
line oF label.
Afterwards, pro-
gram execution
advances to the
next line.

Sharp MZ-800 Specifications

General

Brand	Sharp
Model	MZ-800
Category	Desktop
Language	English