/********************************************************************* mc146818.h Implementation of the MC146818 chip Real time clock chip with batteru buffered ram Used in IBM PC/AT, several PC clones, Amstrad NC200 Peter Trauner (peter.trauner@jk.uni-linz.ac.at) *********************************************************************/ #ifndef MC146818_H #define MC146818_H typedef enum { MC146818_STANDARD, MC146818_IGNORE_CENTURY, // century is NOT set, for systems having other usage of this byte MC146818_ENHANCED } MC146818_TYPE; /* initialize mc146818 emulation, call only once at beginning */ void mc146818_init(running_machine *machine, MC146818_TYPE type); /* loads data from standard nvram file */ void mc146818_load(running_machine *machine); /* loads data from file stream */ void mc146818_load_stream(mame_file *file); /* saves data into standard nvram file */ void mc146818_save(running_machine *machine); /* saves data into file stream */ void mc146818_save_stream(mame_file *file); NVRAM_HANDLER( mc146818 ); READ8_HANDLER(mc146818_port_r); WRITE8_HANDLER(mc146818_port_w); READ16_HANDLER(mc146818_port16le_r); WRITE16_HANDLER(mc146818_port16le_w); READ32_HANDLER(mc146818_port32le_r); WRITE32_HANDLER(mc146818_port32le_w); READ64_HANDLER(mc146818_port64be_r); WRITE64_HANDLER(mc146818_port64be_w); #endif /* MC146818_H */