Rockwell Automation 1771-DB BASIC MODULE - Manual (Page 360)

Quick Reference
Appendix E
E –4
Page Description BASIC
CTRL Q restart a LIST or PRINT interrupted by CTRL-S 10 -5
CTRL S interrupt the scrolling of code during a LIST or
PRINT 10 -6
DATA specify the expressions that you can retrieve with a
READ 11 -6
DBY retrieve/assign data to/from internal data memory 9 -18
DIM reserve storage for arrays 11 -7
DIVIDE (/) divide first expression by second expression 9 -5
DO-UNTIL set up loop control 11 -8
DO-WHILE set up loop control 11 -9
EDIT access the BASIC line editor 10 -7
END terminate program execution 11 -10
EOF test for empty input buffer 9 -17
ERASE delete BASIC program stored in EEPROM through
a PROG 10 -8
EXP raise e to power of argument 9 -13
** raise first expression by the power of the second
expression 9 -5
FREE list available bytes in RAM 9 -17
FOR-TO-(STEP)-NEXT set up loop control 11 -11
GET read console input device 11 -12
GOSUB transfer control to a subroutine 11 -13
GOTO transfer control to line specified 11 -14
IDLE forces module to wait for an interrupt 11 -14
IF-THEN-ELSE set up a conditional test 11 -15
INPL read entire line from program port buffer 11 -16
INPS read an entire string from program port buffer 11 -16
INPUT enter data from consoled device 11 -17
INT return integer portion of expression 9 -12
LEN list amount of bytes in current program 9 -17
LOG ( ) return the natural log of the argument 9 -13
LD@ retrieve floating point numbers stored with ST@ 11 -18
LET assign a variable to the value of an expression 11 -19
LIST list the program code 10 -9
MODE set port parameters for PRT1, PRT2, and DH485 11 -20
MTOP return last valid memory address 9 -18
MULTIPLY (*) multiply expressions together 9 -5
– negation 9 -6
NEW delete program and all variables currently stored in
RAM 10 -10
NEXT returns FOR-TO-NEXT loop to beginning of loop 11 -21
NOT returns the one’s complement or inverse of the
number 9 -11
NULL set number of null characters to output after a
carriage return in a print statement 10 -10
ONDF1 enable or disable the DF1 packet interrupt capability 11 -22
ONERR handle arithmetic errors during program execution 11 -23