' =========================================================================
'   File....... SW21-EX08-7-Seg_Counter-Hex.SXB
'   Purpose.... Single digit, 7-Segment LED counter
'   Author..... (C) 2000 - 2005, Parallax, Inc.
'   E-mail..... support@parallax.com
'   Started.... 01 SEP 2005
'   Updated.... 23 MAR 2007 by TSaavik for SX28
' =========================================================================

' -----[ Program Description ]---------------------------------------------
' Displays Hedadecimal digits (0 - F) on a 7-Segment display connected to
' rb.0-rb.7.  This program will work, unmodified, on the SX28.

'------{ Device Settings ]-------------------------------------------------

DEVICE 		SX28,TURBO,BANKS8,OSCHS3,SYNC,OPTIONX
FREQ            50_000_000
ID		"EX07.1"

' -----[ I/O Definitions ]-------------------------------------------------

Segs              VAR     RB			' Segments on RB.0 - RB.7

' -----[ Constants ]-------------------------------------------------------

' -----[ Variables ]-------------------------------------------------------


idx             VAR     Byte                     ' counter variable

' -----[ Initialization ]-------------------------------------------------
PROGRAM Start
watch Segs, 8, UBIN
watch idx, 8, UDEC


' -----[Subs ]------------------------------------------------------------

' -----[ Program Code ]----------------------------------------------------

Start:
  Tris_B = %10000000                            ' make LEDs outputs
 
Main:
  FOR idx = 0 TO 10                             ' loop through digits
    READ Digit0 + idx, Segs                   ' move pattern to display
    Break
    PAUSE 1000
  NEXT
 GOTO Main


' -----[ EEPROM Data ]-----------------------------------------------------
'                        .GFEDCBA
'                        --------
Digit0:
          DATA    %00111111
Digit1:
          DATA    %00000110
Digit2:
          DATA    %01011011
Digit3:
          DATA    %01001111
Digit4:
          DATA    %01100110
Digit5:
          DATA    %01101101
Digit6:
          DATA    %01111101
Digit7:
          DATA    %00000111
Digit8:
          DATA    %01111111
Digit9:
          DATA    %01100111
Digit10:
	  DATA	  %01110111