• ASM..ENDASM - Insert assembly language code section.*
• BRANCH - Computed GOTO (equivalent to ON..GOTO).
• BUTTON - Debounce and auto-repeat input on specified pin.
• CALL - Call assembly language subroutine.*
• EEPROM - Define initial contents of on-chip EEPROM.
• END - Stop execution and enter low power mode.
• FOR..NEXT - Repeatedly execute statement(s).
• GOSUB - Call BASIC subroutine at specified label.
• GOTO - Continue execution at specified label.
• HIGH - Make pin output high.
• I2CIN - Read bytes from I2C device.*
• I2COUT - Send bytes to I2C device.*
• IF..THEN - GOTO if specified condition is true.
• INPUT - Make pin an input.
• [LET] - Assign result of an expression to a variable.
• LOOKDOWN - Search table for value.
• LOOKUP - Fetch value from table.
• LOW - Make pin output low.
• NAP - Power down processor for short period of time.
• OUTPUT - Make pin an output.
• PAUSE - Delay (1mSec resolution).
• PEEK - Read byte from register.*
• POKE - Write byte to register.*
• POT - Read potentiometer on specified pin.
• PULSIN - Measure pulse width (10us resolution).
• PULSOUT - Generate pulse (10us resolution).
• PWM - Output pulse width modulated pulse train to pin.
• RANDOM - Generate pseudo-random number.
• READ - Read byte from on-chip EEPROM.
• RETURN - Continue execution at statement following last executed GOSUB.
• REVERSE - Make output pin an input or an input pin an output.
• SERIN - Asynchronous serial input (8N1).
• SEROUT - Asynchronous serial output (8N1).
• SLEEP - Power down processor for a periond of time (1 Sec resolution).
• SOUND - Generate tone or white-noise on specified pin.
• TOGGLE - Make pin output and toggle state.
• WRITE - Write byte to on-chip EEPROM.

*PICBASIC language extension not found on BS1.

Operators:

All math operations are unsigned and performed with 16-bit precision. The operators supported are: