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253 lines
3.7 KiB
253 lines
3.7 KiB
10 years ago
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.device attiny13
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.def a=r16
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.def b=r17
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.def i=r18
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.def j=r19
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.def k=r20
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.def secs=r21
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.DEF mins=r22
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;běží na 4.8MHz
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.MACRO cvrk1
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sbi portb,3
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.ENDMACRO
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.MACRO cvrk0
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cbi portb,3
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.ENDMACRO
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.MACRO osc1
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in a, TIMSK0
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ORI a, 0b00000100
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out timsk0,a
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.ENDMACRO
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.MACRO osc0
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clr a
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out timsk0,a
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.ENDMACRO
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.org 0x0000 ;RESET
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rjmp RESET ;skok na start po resetu
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.org 0x0006 ;TC0 overflow
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RJMP TIMER
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.org 0x0010
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RESET:
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ldi a,low(RAMEND) ;nastavi stack pointer
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out SPL,a
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cli ;zakazat vsechna preruseni
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ldi a,0b00001000 ;smer portu
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out DDRB,a
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ldi a,0 ;vymazat port
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out PORTB,a
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clr a
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clr b
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clr i
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clr j
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clr k
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clr secs
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clr mins
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ldi r16,0b00000011 ;TC0 prescaler na 64
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out TCCR0B,r16 ;4800000/64=75000Hz
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ldi r16,0b00000010 ;TC0 je v rezimu CTC
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out TCCR0A,r16
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ldi r16,75 ;Compare Match 0 A je 75
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out OCR0A,r16 ;75000/75=1000Hz interrupt
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osc0 ;zakazeme interrupt
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in a,MCUCR ;zapne se vnitrni pullup
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ori a,0b01000000
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out MCUCR,a
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sei ;Global Interrupt Enable
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in a,PINB
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andi a,0b00000111
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;volba programu podle nastaveni prepinacu
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cpi a,0
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breq prog0
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cpi a,1
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breq prog1
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cpi a,2
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breq prog2
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cpi a,3
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breq prog3
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cpi a,4
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breq prog4
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cpi a,5
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breq prog5
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cpi a,6
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breq prog6
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rjmp prog7
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prog0: ;5 min, (3 cvrky / 1 min pauza) x5, sleep
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ldi mins,5 ;pauza úvod
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rcall minuty
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ldi k,5 ;počet opakování
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pd00:
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rcall scvrk
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rcall scvrk
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rcall scvrk
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ldi mins,1 ;minuty pauza
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rcall minuty
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dec k
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brne pd00
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rjmp usni
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prog1: ;2 min, (2 cvrk / 2 min pauza) x5, sleep
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ldi mins,2 ;pauza úvod
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rcall minuty
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ldi k,6 ;počet opakování
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pd01:
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rcall scvrk
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rcall scvrk
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ldi mins,2 ;minuty pauza
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rcall minuty
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dec k
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brne pd01
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rjmp usni
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prog2: ;40 min, (2 cvrky / 20 sec pauza) x13, sleep
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ldi mins,40 ;pauza úvod
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rcall minuty
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ldi k,13 ;počet opakování
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pd02:
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rcall scvrk
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rcall scvrk
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ldi secs,20 ;sekundy pauza
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rcall sekundy
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dec k
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brne pd02
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rjmp usni
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prog3: ;5 min, (2 cvrk / 5 min pauza) x8, sleep
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ldi mins,5 ;pauza úvod
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rcall minuty
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ldi k,9 ;počet opakování
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pd03:
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rcall scvrk
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rcall scvrk
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rcall scvrk
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rcall scvrk
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ldi mins,5 ;minuty pauza
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rcall minuty
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dec k
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brne pd03
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rjmp usni
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prog4: ;10 min, (4 cvrk / 10 min pauza) x5, sleep
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ldi mins,10 ;pauza úvod
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rcall minuty
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ldi k,5 ;počet opakování
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pd04:
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rcall scvrk
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rcall scvrk
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rcall scvrk
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rcall scvrk
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ldi mins,10 ;minuty pauza
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rcall minuty
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dec k
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brne pd04
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rjmp usni
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prog5: ;20 min, (4 cvrk / 10 min pauza) x1, sleep
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ldi mins,20 ;pauza úvod
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rcall minuty
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rcall scvrk
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rcall scvrk
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rcall scvrk
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rcall scvrk
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rjmp usni
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prog6: ;0, (2 cvrk / 10s) x inf
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rcall scvrk
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rcall scvrk
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ldi secs,10 ;minuty pauza
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rcall sekundy
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rjmp prog6
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prog7: ;trvale
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cvrk1
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infloop:
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rjmp infloop
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usni:
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in a,MCUCR
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ori a,0b00110000
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andi a,0b01110111
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out MCUCR,a
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sleep
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rjmp usni ;kdyby se probudil tak zase usne
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TIMER: ;pracuje se s prerusenim 1000x za sekundu
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inc i
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cpi i,100
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brne endcas
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clr i
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inc j
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endcas:
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reti
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scvrk:
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clr i
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clr j
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cvrk1
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osc1
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del01: cpi j,20 ;konstanta pro dobu jednoho cvrku v desetinach sekundy
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brne del01
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osc0
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cvrk0
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ret
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sekundy:
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clr i
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clr j
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osc1
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del02: cpi j,10 ;konstanta pro dobu 1 sekundy
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brne del02
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dec secs
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breq endsecs
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clr i
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clr j
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rjmp del02
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endsecs:
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osc0
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ret
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minuty:
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ldi secs,60 ;minuta ma 60 sekund -> secs=60
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rcall sekundy ;a vykoname cekani secs sekund
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dec mins
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breq endmins
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rjmp minuty
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endmins:
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ret
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