typedef struct save_format { char title[20]; byte stuff[10]; //etc... } save_format; save_format SAVE_FILE; //... volMEMDWORD(BIOS_CARD_START)=(int)&SAVE_FILE;
That should work as expected, if save format is >64 bytes pass &SAVE_FILE+64 for page 1, &SAVE_FILE+128 for page 2 etc...