-
statement following the
GOSUB,
either after a colon, or on the next line. This is used to
implement subroutines. ON ... GOTO/
GOSUB chooses where to jump...
- and
GOSUB could take an
expression rather than just a line number,
providing an ****igned GOTO
rather than the
switch statement of the GOTO/
GOSUB ... OF...
- and
GOSUB commands. For instance, a
subroutine that
clears the
screen can be
written as
GOSUB CLEARSCREEN,
which is
easier to
understand than
GOSUB 10000...
-
TRace ON. It was used
primarily for
debugging line-numbered
BASIC GOTO and
GOSUB statements. In text-mode
environments such as the TRS-80 or DOS, it would...
-
Defines labels in CONFIG.SYS as jump
targets for CHAIN, DRSWITCH, GOTO,
GOSUB and
SWITCH directives. ; (DOS 6.0 and DR DOS 6.0 and higher)
Similar to...
- are DATA, DEF, DIM, END, FOR..TO..STEP..NEXT,
GOSUB, GOTO, IF..THEN..ELSE, INPUT, LET, NEXT, ON..
GOSUB, ON..GOTO,
OPTION BASE, PRINT, RANDOMIZE, READ...
-
features in
addition to older-style programming.
Implicit variables, suffixes,
GOSUB / RETURN,
numeric labels and
other features are
allowed in this dialect...
-
identified with a number,
which could be used as the
target of a GOTO or
GOSUB transfer. Only line
editing commands were provided. It was
often beneficial...
-
subroutines via the
GOSUB and
RETURN statements Conditional flow-control via IF/THEN
statement Calculated flow-control via the GOTO/OF and
GOSUB/OF statements...
- to
return a
value and all
variables are global. It
provides the
command GOSUB where sub is
short for sub procedure,
subprocedure or subroutine. Control...
