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Diffstat (limited to 'src/mess/machine/macrtc.h')
-rw-r--r-- | src/mess/machine/macrtc.h | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/src/mess/machine/macrtc.h b/src/mess/machine/macrtc.h deleted file mode 100644 index d830b743c1e..00000000000 --- a/src/mess/machine/macrtc.h +++ /dev/null @@ -1,101 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:R. Belmont -/********************************************************************** - - macrtc.h - Apple 343-0042 real time clock and battery RAM - by R. Belmont - -**********************************************************************/ - -#pragma once - -#ifndef __RTC3430042_H__ -#define __RTC3430042_H__ - -#include "emu.h" - - -//************************************************************************** -// INTERFACE CONFIGURATION MACROS -//************************************************************************** - -#define MCFG_RTC3430042_ADD(_tag, _clock) \ - MCFG_DEVICE_ADD(_tag, RTC3430042, _clock) - - - -//************************************************************************** -// TYPE DEFINITIONS -//************************************************************************** - -// ======================> rtc3430042_device - -class rtc3430042_device : public device_t, - public device_rtc_interface, - public device_nvram_interface -{ -public: - // construction/destruction - rtc3430042_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); - - DECLARE_WRITE_LINE_MEMBER( ce_w ); - DECLARE_WRITE_LINE_MEMBER( clk_w ); - DECLARE_READ_LINE_MEMBER( data_r ); - DECLARE_WRITE_LINE_MEMBER( data_w ); - -protected: - // device-level overrides - virtual void device_start(); - virtual void device_reset(); - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); - - // device_rtc_interface overrides - virtual void rtc_clock_updated(int year, int month, int day, int day_of_week, int hour, int minute, int second); - virtual bool rtc_feature_leap_year() { return true; } - - // device_nvram_interface overrides - virtual void nvram_default(); - virtual void nvram_read(emu_file &file); - virtual void nvram_write(emu_file &file); - -private: - /* state of rTCEnb and rTCClk lines */ - UINT8 m_rtc_rTCEnb; - UINT8 m_rtc_rTCClk; - - /* serial transmit/receive register : bits are shifted in/out of this byte */ - UINT8 m_rtc_data_byte; - /* serial transmitted/received bit count */ - UINT8 m_rtc_bit_count; - /* direction of the current transfer (0 : VIA->RTC, 1 : RTC->VIA) */ - UINT8 m_rtc_data_dir; - /* when rtc_data_dir == 1, state of rTCData as set by RTC (-> data bit seen by VIA) */ - UINT8 m_rtc_data_out; - - /* set to 1 when command in progress */ - UINT8 m_rtc_cmd; - - /* write protect flag */ - UINT8 m_rtc_write_protect; - - /* internal seconds register */ - UINT8 m_rtc_seconds[/*8*/4]; - /* 20-byte long PRAM, or 256-byte long XPRAM */ - UINT8 m_pram[256]; - /* current extended address and RTC state */ - UINT8 m_rtc_xpaddr; - UINT8 m_rtc_state; - UINT8 m_data_latch; - - // timers - emu_timer *m_clock_timer; - - void rtc_shift_data(int data); - void rtc_execute_cmd(int data); -}; - - -// device type definition -extern const device_type RTC3430042; - -#endif |