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From: mikew50@aol.com (MikeW50)
Newsgroups: comp.sys.apple2.programmer
Subject: Re: New Apple IIGS BASIC
Date: 4 Feb 1997 03:41:58 GMT
Organization: AOL http://www.aol.com
Lines: 64
Message-ID: <19970204034100.WAA10955@ladder01.news.aol.com>
References: <19970122020001.VAA09303@ladder01.news.aol.com>
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Part 4

Control		
-------			
DO [ UNTIL | WHILE ] expression
LOOP [ UNTIL | WHILE ] expression

FOR identifier '=' expression TO expression [ STEP expression ]
NEXT [ identifier [ ',' [ identifier ] ]* ]

IF expression [ THEN | GOTO | THEN GOTO ] line

IF expression THEN statement [ ':' statement ]*

IF expression THEN
ELSE IF expression THEN
ELSE
END IF

SELECT CASE expression
CASE expression [ TO expression ] [ ',' expression [ TO expression ] ]*
END SELECT

WHILE expression
WEND

END
GOSUB line
GOTO line
[ LET ] l-value = expression
ON GOSUB line [ ',' line ]*
ON GOTO line [ ',' line ]*
ONERR GOTO line
POP
REM any character sequence
RESUME
RETURN
STOP

Named Subroutines
-----------------				
CALL	identifier parameter-list
DECLARE subroutine-declaration
FUNCTION name parameter-list
SUB name parameter-list

Error Handling					
--------------
ERL                         (returns error line)
ERROR expression            (flags an error)
ERR                         (returns error number)

Strings					
-------
ASC '(' string-expression ')'
CHR$ '(' expression ')'
LEFT$ '(' string-expression ',' expression ')'
LEN '(' string-expression ')'
MID$ '(' expression ')'
RIGHT$ '(' expression ')'
STR$ '(' expression ')'
VAL '(' string-expression ')'