| Command | Description |
|---|---|
| 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$(<str exp1>,n[,m])=<str exp2> |
| NAME | Change name of a disk file NAME <old fname> AS <new fname> |
| NEW | Delete current program, clear vars |
| NULL | Set number of nulls to be printed after NewLine |
| ON ERROR | Enable error trapping ON ERROR GOTO <line #> |
| ON..GOSUB | Branch on expression value ON..GOTO ON <expr> GOTO/GOSUB <list of line #s> |
| OPEN | Open a disk file for I/O OPEN <mode>,#<file#>,<filename>[,<reclen>] |
| OPTION BASE | Specify min value of an array index OPTION BASE n (n= 0 or 1) |
| OUT I,J | Send byte J to machine port I OUT <port>, <byte> |
| POKE | Write a byte to a memory location POKE <memory locn>,<byte> |
| PRINT[#} | Print on the terminal |
| PRINT USING | PRINT <list of expr> |
| PUT | Write record from random buffer to disk [#]<file#>,[,<record #>] |
| RANDOMIZE | Reseed random number generator RANDOMIZE [<expr>] |
| READ | Read values from DATA statement READ <vars> |
| REM or ‘ | Remark |
| RENUM | Renumber program lines. RENUM [[<new #>][,[<old #>][,<increment>] |
| RESTORE | Reset Data statements to a specified point RESTORE [<line#>] |
| RESUME | Continue execution after error RESUME [0 | NEXT | <line#>] |
| RUN | RUN <filename> [,R] – R doesn’t clear vars RUN [<line#>] start execution at line # |
| SAVE | Save program to disk SAVE <filename>[,A | ,P] A: ASCII FORMAT, P: Encoded format |
| STOP | Terminate program execution E |
| SWAP | Exchange value of two variables SWAP <var1>,<var2> |
| SYSTEM | Return to CP/M |
| TRON/TROFF | Trace execution for debugging |
| WAIT | Suspend execution until pattern on input port WAIT <port#>, I[,J] J if specified, is XORd with I |
| WHILE/WEND | Loop while condition is true WHILE <expr>… WEND |
| WIDTH | Set line width for line printer WIDTH [LPRINT] <integer expr |
| WRITE[#] | Output to terminal or file with commas WRITE [<list of expr>] |
| Function | Description |
|---|---|
| ABS(X) | Absolute Value |
| ASC(X$) | ASCII Numerical value of a character ATN(X) Arctangent of X in radians |
| CDBL(X) | Convert X to double-precision CHR$(I) Convert ASCII value I to character CINT(X) Convert X to integer |
| COS(X) | Cosine of X in radians |
| CSNG(X) | Convert X to single-precision |
| CVI,CVS,CVD | Convert string to Integer, Single, Double EOF(file#) Returns true if end of seq file reached |
| EXP(X) | Returns e^X |
| FIX(X) | Returns integer portion of X (does not round) |
| FRE(X) | Returns number of free bytes |
| FRE(““) | Forces garbage collection |
| HEX$(X) | Returns string with hex value of X |
| INP(I) | Returns byte read from port I |
| INPUT$(X) INPUT(X[,[#]Y]) | Returns string of X chars from terminal or file |
| INSTR INSTR([I,],X$,Y$) – | returns pos where Y$ is found in X$, starting from position I |
| INT(X) | Returns largest integer <=X |
| LEFT$(X$,I) | Returns string with leftmost I chars of X$ LEN(X$) Returns number of chars in X$ |
| LOC(<file>) | Returns next record to be used by GET/PUT |
| LOG(X) | Returns natural log of X |
| LPOS(X) | Returns current position of line printer head |
| MID$(X$,I,J) | Returns string of J chars from X from pos I |
| MKI$,MKS$, | Convert numeric to string. MKI: 2-bytes, MKS, MKD$ 4-bytes, MKD: 8-bytes |
| PEEK(I) | Returns byte read from memory loc I |
| POS(I) | Returns current cursor position |
| RIGHT$(X$,I) | Returns I rightmost chars of X$ |
| RND[(X)] | Returns random number between 0 and 1 |
| SGN(X) If X>0 returns 1, =0 returns 0, <0, returns -1 | |
| SIN(X) | Returns sine of X in radians |
| SPACE$(X) | Returns a string of X spaces |
| SPC(I) | Prints I spaces on terminal |
| SQR(X) | Returns square root of X |
| STR$(X) | Returns string representation of X |
| STRING$(I,J) | Returns string of len I of chars with ASCII J |
| TAB(I) | Spaces to position I on terminal |
| TAN(X) | Returns tangent of X in radians |
| USR | Calls user assembler subroutine |
| VAL(X$) | returns numeric value of X$ |
| VARPTR(vn) | Returns memory address of variable name OR Starting address of disk I/O buffer |
| Key | Function |
|---|---|
| ^A | Edit mode on current line |
| ^C | Interrupt program execution |
| ^O | Halts output, execution continues |
| ^R | Retypes current line |
| ^S | Suspend execution |
| ^Q | Resume execution |
| ^U | Delete current line |
| ESC | Exit edit mode |