Absolute                       Var declared at absolute address
 Addr                           Returns offset of Var
 AuxInPtr                       Address of AuxIn function
 AuxOutPtr                      Address of AuxOut function
 ConInPtr                       Address of ConIn function
 ConOutPtr                      Address of ConOut function
 ConStPtr                       Address of console key function
 Cseg                           Return current code segment
 Delay                          Delay for specified millisecond count
 Dseg                           Return current data segment
 ErrorPtr                       Pointer to error handler routine
 Exit                           Quit the current program block
 FillChar                       Fill a range of memory with value
 Forward                        Using a Procedure before declaration
 Function                       Subroutine that returns a result
 Goto                           Jump to label in code
 Halt                           Halt execution and return to DOS
 Hi                             Xchg Lo,Hi bytes of Intger. Zero Hi.
 Inline                         Execute inline assembler code
 Intr                           Perform software interrupt on Regs
 KeyPressed                     Returns True if key pressed
 Lo                             Sign extend Lo byte to integer value
 LstOutPtr                      Address of Lst function
 Mem                            Byte array to access memory
 MemW                           Word array to access memory
 Move                           Execute a mass memory move
 MsDos                          Call a DOS function
 Ofs                            Returns memory offset of variable
 Port                           Byte access to ports 0-255
 PortW                          Word access to all ports
 Procedure                      Define a subroutine
 Ptr                            Returns 32 bit seg:ofs of variable
 Random                         Returns a random number
 Randomize                      Seed the random number generator
 Seg                            Returns segment of variable
 SizeOf                         Returns size of variable
 Sseg                           Returns address of stack segment
 Swap                           Exchange hi,lo bytes of Integer value
 UsrInPtr                       Pointer to UsrIn function
 UsrOutPtr                      Pointer to UsrOut function