Decision and structures
IF, THEN, ELSE, ELSEIF, END IF, DO, LOOP, WHILE, WEND, UNTIL, EXIT DO, EXIT WHILE, FOR, NEXT, TO, DOWNTO, STEP, EXIT FOR, ON .. GOTO/GOSUB, SELECT, CASE.

Input and output
PRINT, INPUT, INKEY, PRINT, INPUTHEX, LCD, UPPERLINE, LOWERLINE,DISPLAY ON/OFF, CURSOR ON/OFF/BLINK/NOBLINK, HOME, LOCATE, SHIFTLCD LEFT/RIGHT, SHIFTCURSOR LEFT/RIGHT, CLS, DEFLCDCHAR, WAITKEY, INPUTBIN, PRINTBIN, OPEN, CLOSE, DEBOUNCE, SHIFTIN, SHIFTOUT, GETATKBD

Numeric functions
AND, OR, XOR, INC, DEC, MOD, NOT, ABS, BCD, LOG, EXP, SQR, SIN,COS,TAN,EXP.

I2C
I2CSTART, I2CSTOP, I2CWBYTE, I2CRBYTE, I2CSEND and I2CRECEIVE.

1WIRE
1WWRITE, 1WREAD, 1WRESET, 1WIRECOUNT, 1WSEARCHFIRST, 1WSEARCHNEXT.

SPI
SPIINIT, SPIIN, SPIOUT, SPIMOVE.

Interrupt programming
ON INT0/INT1/TIMER0/TIMER1/SERIAL, RETURN, ENABLE, DISABLE, COUNTERx, CAPTUREx, INTERRUPTS, CONFIG, START, LOAD.

Bit manipulation
SET, RESET, ROTATE, SHIFT, BITWAIT, TOGGLE.

Variables
DIM, BIT , BYTE , INTEGER , WORD, LONG, SINGLE, STRING , DEFBIT, DEFBYTE, DEFINT, DEFWORD.

Miscellaneous
REM, ' , SWAP, END, STOP, CONST, DELAY, WAIT, WAITMS, GOTO, GOSUB, POWERDOWN, IDLE, DECLARE, CALL, SUB, END SUB, MAKEDEC, MAKEBCD, INP,OUT, ALIAS, DIM , ERASE, DATA, READ, RESTORE, INCR, DECR, PEEK, POKE, CPEEK, FUNCTION, READMAGCARD, SPC.

Compiler directives
$INCLUDE, $BAUD and $CRYSTAL, $SERIALINPUT, $SERIALOUTPUT, $RAMSIZE, $RAMSTART, $DEFAULT XRAM, $ASM-$END ASM, $LCD, $EXTERNAL, $LIB.

String manipulation
STRING, SPACE, LEFT, RIGHT, MID, VAL, HEXVAL, LEN, STR, HEX, LTRIM, RTRIM, TRIM, LCASE, UCASE, FORMAT, FUSING, INSTR.

To make a program takes just a few steps :
Write the program in BASIC
Compile it to fast machine binary code
Download the program to the target board