Algodoo

Added 2 ports for peripherals. Suggested by Matten.

New variables:
scene.my.port1dataoutput
scene.my.port1integerout-
put
scene.my.port1datainput
scene.my.port1integerinput
scene-
.my.port1system1
scene.my.port1system2

scene.my.port2dataou-
tput
scene.my.port2integeroutput
scene.my.port2datainput
sce-
ne.my.port2integerinput
scene.my.port2system1
scene.my.port2-
system2

New CPU commands:

["PORT1OUT", "Data", 2] - sets output to "data" and integer 2
["PORT2OUT", "Data", 2] - ...
["PORT1SYS", "Data", "Data"] - sets sys outputs to "data" "data"
["PORT2SYS", "Data", "Data"] - ...