Apple II manual Statement SYNTAX/FUNCTION Example RUN, Statement SYNTAX/FUNCTION Example Save

POKE	POKE location, byte	357 POKE I,J
	The POKE statement stores the byte
	specified by its second argument (J) into
	the location given by its first argument (I).
	The byte to be stored must be =>0 and
	<=255, or an FC error will occur. The
	address (I) must be =>0 and <=65535, or
	an FC error result. Caution: Careless use
	of the POKE statement may cause your
	program, BASIC, or the Monitor functions
	to operate incorrectly, to hang up, and/or
	cause loss of your program. Note that
	Pages 0 and 1 in memory are reserved for
	use by BASIC and should not be used for
	user program variable storage. A POKE to
	a non-existent memory location is harmless.
	One of the main uses of POKE is to pass
	arguments to machine language subroutines.
	(See Appendix F.) You could also use
	PEEK and POKE to write a memory
	diagnostic or an assembler in BASIC.
STATEMENT	SYNTAX/FUNCTION	EXAMPLE
RUN	RUN line number	RUN 200
	Starts execution of the program currently in
	memory at the specified line number. RUN
	deletes all variables [does a CLEAR) and
	restores DATA. If you have stopped your
	program and wish to continue execution at
	some point in the program, use a direct
	GOTO statement to start execution of your
	program at the desired line, or CONT to
	continue after a break.
	Start program execution at the lowest	RUN
	numbered statement.
STATEMENT	SYNTAX/FUNCTION	EXAMPLE
SAVE	SAVE	SAVE
	Saves the current program in the AIM 65
	memory on cassette tape. The program in
	memory is left unchanged. More than one
	program may be stored on cassette using
	this command.
	See Appendix G for more information.

304 PROGRAM STATEMENTS

In the following description of statements, an argument of B, C, V or W denotes a numeric variable, X denotes a numeric expression, X$ denotes a string expression and an I or J denotes an expression that is truncated to an integer before the statement is executed. Truncation means that any fractional part of the number is lost, e.g., 3.9 becomes 3, 4.01 becomes 4.

An expression is a series of variables, operators, function calls and constants which after the operations and function calls are performed using the precedence rules, evaluates to a numeric or string value.

A constant is either a number (3.14) or a string literal ("FOO").

STATEMENT	SYNTAX/FUNCTION		EXAMPLE
DEF	DEF FNx [(argument	list)] = expression	100 DEF FNA(V)=V/B+C
	The user can define functions like the built-
	in functions (SQR,	SGN, ABS, etc.) through
	the use of the DEF	statement. The name
	of the function is	"FN" followed by any

legal variable name, for example: FNX,