Changes

* [[Media:S158ap12.pdf|SOFT 158 Appendix 12 (XII) (The Hardware)]] - general info on Port F8FFh (page 3)

* [[Media:S968ap13.pdf|SOFT 968 Appendix 13 (XIII) (Hints Tips and Workarounds)]] - info on Port F8FFh and interrupts (page 7)