MEMORY {
    ZP:   file = "", start = $80, size = $001F;
    MAIN: file = %O, start = %S,  size = $1000;
}
SEGMENTS {
    ZEROPAGE: load = ZP,   type = zp;
    CODE:     load = MAIN, type = rw;
    RODATA:   load = MAIN, type = rw;
    DATA:     load = MAIN, type = rw;
    BSS:      load = MAIN, type = bss;
}