; 4 LEDs illumination

#picaxe 08m2
;#no_data	;Do not download(clear) EEPROM data.

;b0-7 shift data
;b10 for loop counter
;b11 data work

; Initialization
low C.2		;reset start
low C.4		;DATA
high C.1	;CLK
high C.2	;reset end

; save values in EEPROM
EEPROM 0,( %00001000,%00000100,%00000010,%00000001,%00001000,%00000100,%00000010,%00000001 )
;EEPROM 0,( %00000001,%00000001,%00000001,%00000001,%00000001,%00000001,%00000001,%00000001 )
;EEPROM 0,( %00001010,%00000101,%00001010,%00000101,%00001010,%00000101,%00001010,%00000101 )
;EEPROM 0,( %00000001,%00001000,%00000001,%00001000,%00000001,%00001000,%00000001,%00001000 )

;read EEPROM
main:
 for b10 = 0 to 7
  read b10,b11		; read value at EEPROM into b11

;Preprocessing
  b0 = b11 and %00000001 ;check D0 = 1
  b1 = b11 and %00000010 ;check D1 = 1
  b2 = b11 and %00000100 ;check D2 = 1
  b3 = b11 and %00001000 ;check D3 = 1

;toggle C.0 ;for debug

;data shift
  if b0 = 0 then
   low C.4
   else high C.4
  end if

  ;low C.2		;reset old data
  ;high C.2

  low C.1		;toggle CLK
  high C.1

  if b1 = 0 then
   low C.4
   else high C.4
  end if

  low C.1		;toggle CLK
  high C.1

  if b2 = 0 then
   low C.4
   else high C.4
  end if

  low C.1		;toggle CLK
  high C.1

  if b3 = 0 then
   low C.4
   else high C.4
  end if

  low C.1		;toggle CLK
  high C.1

;period
  pause 970		;milliseconds. 1s period.
  ;wait 1		;seconds

 next b10
goto main