| Word |
Purpose |
Example |
| ABS |
Computes absolute value |
Y=ABS(5) |
| ASC |
Returns ASCII code of first
character of specified string |
A=ASC(T$) |
| CHR$ |
Returns character for ASCII,
control, or graphics code.
P$=CHR$(T) |
? CHR$(191) |
| CLEAR |
Reserves bytes of string storage
space. Initializes variables. |
CLEAR
CLEAR 500 |
| CLOAD |
Loads specified program file
from cassette. If filename is not
specified, first file encountered
is loaded. Filename must be
eight characters or less. |
CLOAD
CLOAD "PROGRAM" |
| CLOAD* |
Loads numeric data into an
array from a cassette file which
has been created using the
CSAVE* statement. |
CLOAD*A, DATAFILE |
| CLS |
Clears display to specified
color. If color is not specified,
green is used. |
CLS
CLS(3) |
| CONT |
Continues program execution
after pressing [BREAK] or using
STOP statement. |
CONT |
| COS |
Returns cosine of angle
measured in radians. |
Y=COS(7) |
| CSAVE |
Saves program on cassette
(program name must be eight
characters/spaces or less. |
CSAVE "PROGRAM" |
| CSAVE* |
Saves contents of a numeric
array on cassette for later use
by CLOAD*. |
CSAVE*B,"MOREDATA" |
| DATA |
Stores data in your program.
Use READ to assign this data
to variables. |
DATA 5,3,PEARS |
| DIM |
Dimensions one or more
arrays. |
DIM R(85),W(40)
DIM AR$(8,25) |
| END |
Ends program. |
END |
| EXP |
Returns natural exponential of
number number (e number). |
Y=EXP(7) |
| ^ |
Exponentiation. Raises
number to specified power. |
? 3^2 |
FOR...TO
STEP/NEXT |
Creates a loop in program
which the Computer must
repeat from the first number to
the last number you specify.
Use STEP to specify how
much to increment the number
each time through the loop. If
you omit STEP, one is used. |
FOR X=2 TO 5:
NEXT X
FOR A=1 TO 5
STEP 5: NEXT A
FOR M=10 TO 5
STEP -5
NEXT M |
| GOSUB |
Sends the Computer to subroutine
beginning at specified line
number. |
GOSUB 500 |
| GOTO |
Sends the Computer to
specified line number. |
GOTO 300 |
| IF/THEN |
Test the relationship. If it is
true, the Computer executes
the instruction following THEN. |
IF A=5 THEN 30 |
| INKEY$ |
Strobes the keyboard and
returns the key being pressed. |
A$=INKEY$ |
| INPUT |
Causes the Computer to stop
and await input from the
keyboard. |
INPUT X$
INPUT "NAME";N$ |
| INT |
Converts a number to an
integer. |
X=INT(5.2) |
| LEFT$ |
Returns left portion of string. |
P$=LEFT$(M$,7) |
| LEN |
Returns the number of
characters in a string. |
X=LEN(SEN$) |
| LET |
Assigns value to a variable. |
LET A$="JOB" |
| LIST |
List specified lines or entire
program on Screen. |
LIST
LIST 50-85
LIST 30
LIST -30
LIST 30- |
| LLIST |
List specified program line(s)
or entire program to printer. |
LLIST
LLIST 50-85
LLIST 30
LLIST -30
LLIST 30- |
| LOG |
Returns natural logarithm. |
Y=LOG(353) |
| LPRINT |
Prints an item or list of items
on the printer. |
LPRINT, CAP$ |
| MEM |
Returns amount of free
memory. |
PRINT MEM |
| MID$ |
Returns a substring of another
string. If length option is
omitted, the entire string right
of position is returned. |
? MID$(A$,3) |
| NEW |
Erases memory contents. |
NEW |
| ON...GOSUB |
Multi-way branch to specified
subroutines. |
ON Y GOSUB
50,100 |
| ON...GOTO |
Multi-way branch to specified
lines. |
ON X GOTO
190,200 |
| PEEK |
Returns the contents in the
memory location you specify. |
A=PEEK(32076) |
| POKE |
Puts value into specified RAM
(memory). Value must be
between 0-255 and location
between 16384-20479. |
POKE 16390,0 |
| POINT |
Tests whether specified graphics
cell is on or off. The value
returned is -1 if the cell is in
the character mode, 0 if off, or
the color code if it is on. |
IF POINT
(13,35)THEN |
| PRINT |
Prints specified message on
TV Screen. |
PRINT "HI"
PRINT A$
? A$ |
| PRINT TAB |
Moves cursor to specified
column. |
PRINT TAB(5) "NAME" |
| PRINT@ |
Prints specified message at
specified Screen location. |
PRINT @256, "HI"
PRINT @ 256, A$ |
| READ |
Reads the next item in DATA
line and assigns it to specified
variable. |
READ A$
READ C,B |
| REM |
Allows insertion of comment in
program line. Everything after
REM is ignored by the
Computer. |
REM THIS IS
IGNORED
10 PRINT X:REM
THIS IS IGNORED |
| RESET |
Erases dot SET at specified
location. |
RESET (14,15) |
| RESTORE |
Sets the Computer's pointer
back to first item on the DATA
lines. |
RESTORE |
| RETURN |
Returns the Computer from
subroutine to the BASIC word
following GOSUB |
RETURN |
| RIGHT$ |
Returns a right portion of
string |
ZIP$=RIGHT$(AD$,5) |
| RND |
Returns a pseudo-random
integer between one and specified
number which must be
greater than one. |
A=RND(10) |
| RUN |
Executes a program. |
RUN |
| SET |
Sets a dot at specified Screen
location to specified color. |
SET(14,13,3) |
| SGN |
Returns sign of specified
numeric expression.
-1 if argument is negative
0 if argument is 0
+1 if argument is positive |
X=SGN(A*B) |
| SKIPF |
Skips to end of next program
on cassette tape, or to end of
specified program. |
SKIPF "PROGRAM" |
| SIN |
Returns sine of angle
measured in radians. |
Y=SIN(5) |
| SOUND |
Sounds specified tone for
specified duration. |
SOUND 128,3 |
| STOP |
Stops execution of a program. |
STOP |
| STR$ |
Converts a number expression
to a string. |
S$=STR(X) |
| SQR |
Returns the square root of a
number |
Y=SQR(5+3) |
| TAN |
Returns tangent of angle
measured in radians. |
Y=TAN(45.7) |
| VAL |
Converts a string to a number. |
A=VAL(B$) |
