2.3 Relaxatie-oscillator

;* case has reached maximum, so now it is reset with value 1 *
;* nothing *
;* initializes port sensctrl and its flag wvmem *
;* initializes syst.variable sigpw with a startup value *
;* enable overflow interrupt timer0 and timer1 *
;* set serial port to 8-bit UART *
;* hi_TH0 & hi_TL0 *
;* initializes timer 0 for the pulse generator. overflow *
;* generates an interrupt to vector 000bh, routed to the *
;* service routine for generating the pulses *
;* nothing *
;* initializes the timer1 for counting the system clock *
;* nothing *
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