ZEROPAGE: load = ZP, type = zp, optional = yes;
EXTZP: load = ZP, type = zp, optional = yes;
STARTUP: load = ROM, type = ro, define = yes, optional = yes;
+ LOWBSS: load = MAIN, type = bss, optional = yes; # not zero initialized
LOWCODE: load = ROM, type = ro, define = yes, optional = yes;
ONCE: load = ROM, type = ro, optional = yes;
CODE: load = ROM, type = ro, define = yes;