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Diffstat (limited to 'trunk/src/emu/machine/pd4990a.h')
-rw-r--r-- | trunk/src/emu/machine/pd4990a.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/trunk/src/emu/machine/pd4990a.h b/trunk/src/emu/machine/pd4990a.h new file mode 100644 index 00000000000..4dd0c1b4f0a --- /dev/null +++ b/trunk/src/emu/machine/pd4990a.h @@ -0,0 +1,37 @@ +/*************************************************************************** + + NEC uPD4990A + + Serial I/O Calendar & Clock IC + +***************************************************************************/ + +#ifndef __PD4990A_H__ +#define __PD4990A_H__ + +#include "devlegcy.h" + + +/*************************************************************************** + MACROS / CONSTANTS +***************************************************************************/ + +DECLARE_LEGACY_DEVICE(UPD4990A, upd4990a); + +#define MCFG_UPD4990A_ADD(_tag) \ + MCFG_DEVICE_ADD(_tag, UPD4990A, 0) + + +/*************************************************************************** + PROTOTYPES +***************************************************************************/ + +/* this should be refactored, once RTCs get unified */ +extern void upd4990a_addretrace( device_t *device ); + +extern READ8_DEVICE_HANDLER( upd4990a_testbit_r ); +extern READ8_DEVICE_HANDLER( upd4990a_databit_r ); +extern WRITE16_DEVICE_HANDLER( upd4990a_control_16_w ); + + +#endif /*__PD4990A_H__*/ |