Timer 1 Attiny25 laeuft nicht und Timer 0 ja

;* Procesor:    ATTINY 25
;*********************************************************************
;    Beispiel, AVR studio, simulator
.include "tn25def.inc"
;the Reset and Interrupt Vector Addresses in ATtiny25/45/85 is:
   rjmp inic ; Reset Handler
   reti  ;rjmp EXT_INT0 ; IRQ0 Handler
   reti  ;rjmp PCINT0 ; PCINT0 Handler
  reti  ;rjmp TIM1_COMPA ; Timer1 CompareA Handler
   reti  ;rjmp TIM1_OVF ; Timer1 Overflow Handler
   reti  ;rjmp TIM0_OVF ; Timer0 Overflow Handler
   reti  ;rjmp EE_RDY ; EEPROM Ready Handler
   reti  ;rjmp ANA_COMP ; Analog Comparator Handler
   reti  ;rjmp ADC ; ADC Conversion Handler
   reti  ;rjmp TIM1_COMPB ; Timer1 CompareB Handler
   reti  ;rjmp TIM0_COMPA ;
   reti  ;rjmp TIM0_COMPB ;
   reti  ;rjmp WDT ;
   reti  ;rjmp USI_START ;
   reti  ;rjmp USI_OVF ;
 inic:   ldi  r16,0b000010  ;Set port B
  out  DDRB,r16
  cli
  ldi  r16,0b00000010  ;C/T 0 Enable
  out  TCCR0B,r16
  ldi  r16,0b00000001
  out  tccr1,r16    ;C/T 1 Enable
;     Main program
;----------------------------------------------------------------------- 
;
hlpr:   nop
    nop
   rjmp  hlpr