MEMORY {
            ZP:     start = $00,    size = $100,    type = rw, file = "";
            RAM:    start = $200,   size = $400,    type = rw, file = "";
            HDR:    start = $0000,  size = $80,     type = ro, file = %O, fill = yes;
            PRG:    start = $8000,  size = $8000,   type = ro, file = %O;
       }
       
SEGMENTS {
            ZEROPAGE:   load = ZP,  type = zp;
            BSS:        load = RAM, type = bss, define = yes;
            HEADER:     load = HDR, type = ro;
            CODE:       load = PRG, type = ro, start = $8000;
         }