SmallBASIC Guide

Command: RANDOMIZE [int] Seeds the random number generator
Function: RND 0 Returns a random number from the range 0 to 1
Function: UBOUND (array [, dim]) Returns the upper bound of the 'array'
Function: LBOUND (array [, dim]) Returns the lower bound of the 'array' The parameter 'dim' is the array dimension whose bound is returned

DIM v1(-4 TO 7)
DIM v2(1 TO 2, 3 TO 4)
...
PRINT LBOUND(v1)   : REM -4
PRINT UBOUND(v1)   : REM 7
...
PRINT LBOUND(v2)   : REM 1
PRINT LBOUND(v2,2) : REM 3

Function: CINT (x) Converts x to 32b integer Meaningless. Used for compatibility.
Function: CREAL (x) Convert x to 64b real number. Meaningless. Used for compatibility.
Function: CDBL (x) Convert x to 64b real number. Meaningless. Used for compatibility.
Command: PEN ON|OFF Enables/Disables the PEN/MOUSE mechanism.
Function: PEN (0..14) Returns the PEN/MOUSE data. Values:

0 true (non-zero) if there is a new pen or mouse event
1 PEN: last pen down x; MOUSE: last mouse button down x
2 Same as 1 for y
3 true if the PEN is down; MOUSE: mouse left button is pressed
4 PEN: last/current x, MOUSE: the current x position only if the left mouse button is pressed (like PEN is down)
5 Same as PEN(4) for y

Mouse specific (non PalmOS):

10 current mouse x pos
11 current mouse y pos
12 true if the left mouse button is pressed
13 true if the right mouse button is pressed
14 true if the middle mouse button is pressed

*, The driver must be enabled before use this function (see Pen command)
Command: PAUSE [secs] Pauses the execution for a specified length of time, or until user hit the keyboard.
Command: SWAP a, b Exchanges the values of two variables. The parameters may be variables of any type.