| AUTO |
Generate auto line number after each
AUTO [<line number>[,<increment>]] |
| CALL |
Call assembly language subroutine CALL <variable name>[(<arg list>)] |
| CHAIN |
Call a program and pass variables
CHAIN [MERGE] <filename>[,[<line #>] [,ALL] [,DELETE<range>]] |
| CLEAR |
Clear variables to zero/null, set memory end and amount of stack space.
CLEAR [,[<exp1>][,<exp2>]] |
| CLOAD[?|*] |
Load program from cassette
? – verify against prgm in memory
* - load array into variable |
| CLOSE |
Close disk file
CLOSE |
| COMMON |
Pass variables to CHAINed program
COMMON <list of variables> |
| CONT |
Continue program after Control-C, STOP or END CSAVE Save program to cassette
CSAVE <filename> (only first char is used) |
| DATA |
Store constants accessed by READ statement
DATA <list of constants> |
| DEF FN |
Define a user specified function
DEF FN<name>[(<params>)]=<function def> |
| DEF<type> |
Declare variable types beginning with a range of letters as a specific type
DEF<type> <range of letters>
Where type is INT, SNG, DBL, or STR< |
| DEF USR |
Specify starting address of assembly subroutine DEF USR[<digit>]=<integer expression> |
| DELETE |
Delete program lines
DELETE [<line number>][-<line number>] |
| DIM |
Specify maximum size of array variable
DIM <list of variables> |
| EDIT |
Edit a specified line
EDIT <line number> |
| END |
Terminate program execution. ERASE Eliminate arrays from a program. |
| ERASE |
<list of array variables> |
| ERR/ERL |
Variable containing error code and line number
IF ERR = <error code> THEN …. |
| ERROR |
Simulate error code or trap for error
ON ERROR GOTO … Trap error ERROR 15 Generate error code 15 |
| FIELD |
Allocate space for variables in a file buffer
FIELD [#]<file number>, <field width> AS <string variable> |
| >FOR..NEXT |
Loop
FOR <var> = X to Y [STEP z] NEXT [<var>][,<var>…] |
| GET |
Read a record from a random disk file
GET [#]<file number>[,<record number>] |
| GOSUB |
Branch to subroutine
GOSUB <line number>
… RETURN |
| GOTO |
Unconditional Branch
GOTO <line number> |
| IF/THEN/ELSE |
Conditional branch
IF <exp> THEN <statement(s)> | <line #> [ELSE <statement(s)> | <line #> |
| INPUT |
Input from terminal device
INPUT[;][<”prompt”>;]<list of vars> |
| INPUT# |
Read data from sequential file
INPUT#<file#>, <vars> |
| KILL |
Delete file from disk.
KILL <filename> |
| LET |
Assign value to variable
[LET] <var>=<exp> |
| LINE INPUT |
Input up to 254 chars without delimiters
LINE INPUT[;][<”prompt”>;]<string var> |
| LINE INPUT# |
Read entire line from sequential file
LINE INPUT#<file#>, <string var> |
| LIST |
List all or part of program in memory
LIST [<line#>[-<line#>]] |
| LLIST |
List current program to line printer
LLIST [<line#>[-<line#>]] |
| LOAD |
Load file from disk, .BAS extension assumed
LOAD <filename>[,R]
R option runs program after load |
| LPRINT |
Print data on the line printer device
LPRINT [<list of expr>]
LPRINT USING <string exp>;<list of expr> |
| LSET/RSET |
Move data from memory and a file buffer in Preparation for a PUT statement |
| LSET |
left-justifies, RSET right-justifies LSET <str var>=<str expr>
RSET <str var>=<str expr>
MERGE Merge a specified disk file with pgm in mem MERGE <filename> |
| MID$ |
Replace part of one string with another
MID$(<str exp1>,n[,m])=<str exp2> |
| NAME |
Change name of a disk file
NAME <old fname> AS <new fname> |
| NEW |
Delete current program, clear vars |
| NULL |
Set number of nulls to be printed after NewLine |
| ON ERROR |
Enable error trapping
ON ERROR GOTO <line #> |
| ON..GOSUB |
Branch on expression value
ON..GOTO ON <expr> GOTO/GOSUB <list of line #s> |
| OPEN |
Open a disk file for I/O
OPEN <mode>,#<file#>,<filename>[,<reclen>] |
| OPTION BASE |
Specify min value of an array index OPTION BASE n (n= 0 or 1) |
| OUT I,J |
Send byte J to machine port I
OUT <port>, <byte> |
| POKE |
Write a byte to a memory location
POKE <memory locn>,<byte> |
| PRINT[#} |
Print on the terminal |
| PRINT USING |
PRINT <list of expr> |
| PUT |
Write record from random buffer to disk
[#]<file#>,[,<record #>] |
| RANDOMIZE |
Reseed random number generator
RANDOMIZE [<expr>] |
| READ |
Read values from DATA statement READ <vars> |
| REM or ‘ |
Remark |
| RENUM |
Renumber program lines.
RENUM [[<new #>][,[<old #>][,<increment>] |
| RESTORE |
Reset Data statements to a specified point
RESTORE [<line#>] |
| RESUME |
Continue execution after error
RESUME [0 | NEXT | <line#>] |
| RUN |
RUN <filename> [,R] – R doesn’t clear vars RUN [<line#>] start execution at line # |
| SAVE |
Save program to disk SAVE <filename>[,A | ,P]
A: ASCII FORMAT, P: Encoded format |
| STOP |
Terminate program execution E |
| SWAP |
Exchange value of two variables SWAP <var1>,<var2> |
| SYSTEM |
Return to CP/M |
| TRON/TROFF |
Trace execution for debugging |
| WAIT |
Suspend execution until pattern on input port WAIT <port#>, I[,J]
J if specified, is XORd with I |
| WHILE/WEND |
Loop while condition is true WHILE <expr>… WEND |
| WIDTH |
Set line width for line printer WIDTH [LPRINT] <integer expr |
| WRITE[#] |
Output to terminal or file with commas WRITE [<list of expr>] |