# needs a Weather Station
# a siren and an announcer (2x Kit (Speaker))
# and a display of some sort (Kit (Console))

alias weather d0 # Weather Station
alias readout d1 # Kit (Console)
alias announcer d2 # Kit (Speaker)
alias siren d3 # Kit (Speaker)

alias storm_mode r0
alias minutes r1
alias siren_high r2
alias siren_low r3
alias siren_on r4

s announcer Mode 18 # "Storm Incoming!"
s siren Mode 10 # nice siren sound

start:
l storm_mode weather Mode # check weather
s announcer On 0 # reset announcer
yield
beq storm_mode 1 countdown # countdown if incoming
j start # else return to start

countdown:
l storm_mode weather Mode # check weather
s announcer On 1 # announce storm
# get countdown value
l minutes weather NextWeatherEventTime
div minutes minutes 60 # convert to minutes
trunc minutes minutes # drop decimals
s readout Setting minutes # send to display
j warning

warning:
sgt siren_high minutes 2 # got more than 2m59s?
slt siren_low minutes 1 # got less than 60s?
nor siren_on siren_high siren_low # sound siren?
s siren On siren_on # start siren if 1<minutes<3
yield
beq storm_mode 1 countdown # still waiting? go back
j start # reset and start waiting again