N and V column

Column #120: You Can’t Touch That: Non-contact Access Control
The Nuts and Volts of BASIC Stamps (Volume 6) Page 73
' =========================================================================
'
' File....... RFID_Reader.BS1
' Purpose.... RFID Tag Reader
' Author..... Jon Williams, Parallax
' E-mail..... jwilliams@parallax.com
' Started....
' Updated.... 07 FEB 2005
'
' {$STAMP BS1}
' {$PBASIC 1.0}
'
' =========================================================================
' -----[ Program Description ]---------------------------------------------
'
' Reads and displays RFID tag strings.
' -----[ Revision History ]------------------------------------------------
' -----[ I/O Definitions ]-------------------------------------------------
SYMBOL Enable = 0 ' low = reader on
SYMBOL RX = 1 ' serial from reader
' -----[ Constants ]-------------------------------------------------------
' -----[ Variables ]-------------------------------------------------------
' -----[ EEPROM Data ]-----------------------------------------------------
' -----[ Initialization ]--------------------------------------------------
' -----[ Program Code ]----------------------------------------------------
Main:
LOW Enable
' wait for header ($0A), then accept 10 RFID bytes
SERIN RX, T2400, ($0A),B0,B1,B2,B3,B4,B5,B6,B7,B8,B9
HIGH Enable