Intel 9800758-02 manual BASIC-80 Statements Contd, BASIC-80 Functions

BASIC-SO Language Elements

Table 2-2. BASIC-80 Statements (Cont'd.)

Statement			Description		Example
LINE INPUT		Enters entire line from a disk file.		LINE INPUT A$
lSET		left justifies text in random file buffer.		LSET A$ = B$
ON ERROR		Traps errors by branching to		ON ERROR GOTO 900
		error-resolving routines.
ON-GOTO		Transfers execution to Xth line number		ON X GOTO 460, 480
		for expression X.
ON-GOSUB		Transfers execution to Xth subroutine		ON X GOSUB 220, 240, 260
		for expression X.
OPEN		Creates sequential or random disk files.		OPEN "R", 1, ":F1:TRACE"
OPTION BASE		Starts arrays at 0 or 1.		OPTION BASEO
OUT		Writes values to I/O ports.		OUTOOFO,12
POKE		Writes byte to memory location.		POKE OA077, 72
PRINT		1.	Displays text on terminal.	PRINT A, B, C
		2.	Stores data in sequential	PRINT #4, A$, B$, C$
			disk file.
PRINT USING		Displays text according to given format.		PRINT USING "$$##,##;
				125.38,21.14.6.10
PUT		Stores data in random disk file.		PUT #3, A$, B$ C$
RANDOMIZE		Initializes random number generator.		RANDOMIZE
READ		Assigns values from DATA statements		READ A, K1, l%, Z
		to program variables.
REM		Comments in program text		10 REM THIS IS
				20 REM A REMARK
RESTORE		Resets pOinter for reading DATA		RESTORE
		statements.
RESUME		Restarts execution after errors.		RESUME
RETURN		Transfers control back to statement		RETURN
		following last GOSUB.
RSET		Right justifies text in random file buffer.		RSET l$ = MK$
STOP		Halts program execution.		STOP
SWAP		Exchanges values of two variables of		SWAP A1#, B2#
		similar type.
WAIT		Halts execution until port changes.		WAIT 1, 04H, OAH
			Table 2-3. BASIC-80 Functions
Functions			Returns		Example
ABS	Absolute value.				ABS(X)
ASC	ASCII code of the first character of the				ASC(A$)
	specified string.
ATN	Arctangent, in radians.				ATN(X)
COSl	Double-precision floating-point value.				CDSl (X)
CHR$	Character corresponding to the specified ASCII				CHR$ (X)
	code.
CINT	Integer value				CINT(X)
COS	Cosine, in radians				COS (X)
CSNG	Single-precision floating-point value.				CSNG (X)
CVD	Double-precision floating-point value equal to				CVD(X#)
	8-byte string A$
CVI	Integer value equal to 2-byte string A$				CVI (X%)
CVS	Single-precision floating-point value equal to				CVS(X!)
	4-byte string A$

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