83/10/12 BASIC [MS-DOS] Ver 1.1 ABS AND ATTR$ AUTO BEEP CHAIN CIRCLE CLEAR CLOSE CLS COLOR COMMON CONSOLE CONT COS CREATE CSRLIN CVKAN$ DATA DATE$ DEFDBL DEFINT DEFSNG DEFSTR DELETE DIM ELSE END ERASE ERROR EXP FIELD FILES FIX FOR GCURSOR GET GOSUB GOTO HCOPY HEX$ IF INKEY$ INPUT$ INPUT INSTR INT KCODE KEY KEY LIST KILL LEFT$ LET LFILES LINE LIST LLIST LOAD LOCATE LOG LPRINT MERGE MID$ NEXT NEW NOT ON ON...GOSUB ON...GOTO OPEN OPTION BASE PACK$ PAINT POINT PRESET PRINT PSET PUT RANDOMIZE READ REM RENUM RESET RESTORE RESUME RETURN RIGHT$ RND RUN SAVE SCREEN SETKEY SGN SIN SOUND SPACE$ SQR STEP STICK STOP STRIG STRING$ SYMBOL SYSTEM TAN THEN TIME$ TINPUT TROFF UNPACK$ USING VAL VARPTR VIEW WEND WHILE WIDTH WINDOW WRITE NEXT without FOR Syntax error RETURN without GOSUB Out of DATA Illegal function call Overflow Out of memory Undefined line number Subscript out of range Duplicate definition Division by zero Illegal direct Type mismatch Out of string space String too long Printer not ready Can't continue Undefined user function No RESUME RESUME without error Unprintable error Line buffer overflow Position not on screen Print field overflow FOR without NEXT Out of stack Out of array space WHILE without WEND WEND without WHILE Field overflow Port I/O error Bad file number File not found Bad file mode File already open Bad file data Disk I/O error File already exists Disk not ready Disk full Input past end Bad record number Bad file name Too many files File write protect NAME across disk