Unconventional memory use
=========================

Transient:
&0380+10 Plus 1 copy of ROM table on Break (usually just &038D-F)

Resident:
&0380+38 *DISABLE DFS Break intercept code

&0380+2A MODE 8/9/10 extension ROM

&0380+10 SerFix

&0380+15 SerLink

&0380+09 7Fto77 test code

&0380+0C BStoDEL

&03D0+0A NullKBD intercept
&03DA+03 SoftRTC TIME backup
&03DD+03 SoftRTC date

MU Nov85 ROM disable code
MU Jun86 PENDRAGON

Master Emulation ROM uses &039F-&03A6 to hold copy of CLIV-WRCHV

&2375-FF RAMTrap

&0130+10 *BREAK intercept code


I'm generalizing from one example, here, but everyone generalizes from
one example. At least, I do.