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Diffstat (limited to 'src/emu/machine/rtc9701.c')
-rw-r--r--src/emu/machine/rtc9701.c34
1 files changed, 16 insertions, 18 deletions
diff --git a/src/emu/machine/rtc9701.c b/src/emu/machine/rtc9701.c
index 7812a858696..4ff82073a72 100644
--- a/src/emu/machine/rtc9701.c
+++ b/src/emu/machine/rtc9701.c
@@ -32,10 +32,10 @@ const device_type rtc9701 = &device_creator<rtc9701_device>;
rtc9701_device::rtc9701_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, rtc9701, "rtc9701", tag, owner, clock),
- device_nvram_interface(mconfig, *this),
- m_latch(0),
- m_reset_line(CLEAR_LINE),
- m_clock_line(CLEAR_LINE)
+ device_nvram_interface(mconfig, *this),
+ m_latch(0),
+ m_reset_line(CLEAR_LINE),
+ m_clock_line(CLEAR_LINE)
{
}
@@ -47,14 +47,14 @@ void rtc9701_device::timer_callback()
m_rtc.sec++;
- if((m_rtc.sec & 0x0f) >= 0x0a) { m_rtc.sec+=0x10; m_rtc.sec&=0xf0; }
- if((m_rtc.sec & 0xf0) >= 0x60) { m_rtc.min++; m_rtc.sec = 0; }
- if((m_rtc.min & 0x0f) >= 0x0a) { m_rtc.min+=0x10; m_rtc.min&=0xf0; }
- if((m_rtc.min & 0xf0) >= 0x60) { m_rtc.hour++; m_rtc.min = 0; }
- if((m_rtc.hour & 0x0f) >= 0x0a) { m_rtc.hour+=0x10; m_rtc.hour&=0xf0; }
- if((m_rtc.hour & 0xff) >= 0x24) { m_rtc.day++; m_rtc.wday<<=1; m_rtc.hour = 0; }
- if(m_rtc.wday & 0x80) { m_rtc.wday = 1; }
- if((m_rtc.day & 0x0f) >= 0x0a) { m_rtc.day+=0x10; m_rtc.day&=0xf0; }
+ if((m_rtc.sec & 0x0f) >= 0x0a) { m_rtc.sec+=0x10; m_rtc.sec&=0xf0; }
+ if((m_rtc.sec & 0xf0) >= 0x60) { m_rtc.min++; m_rtc.sec = 0; }
+ if((m_rtc.min & 0x0f) >= 0x0a) { m_rtc.min+=0x10; m_rtc.min&=0xf0; }
+ if((m_rtc.min & 0xf0) >= 0x60) { m_rtc.hour++; m_rtc.min = 0; }
+ if((m_rtc.hour & 0x0f) >= 0x0a) { m_rtc.hour+=0x10; m_rtc.hour&=0xf0; }
+ if((m_rtc.hour & 0xff) >= 0x24) { m_rtc.day++; m_rtc.wday<<=1; m_rtc.hour = 0; }
+ if(m_rtc.wday & 0x80) { m_rtc.wday = 1; }
+ if((m_rtc.day & 0x0f) >= 0x0a) { m_rtc.day+=0x10; m_rtc.day&=0xf0; }
/* TODO: crude leap year support */
dpm_count = (m_rtc.month & 0xf) + (((m_rtc.month & 0x10) >> 4)*10)-1;
@@ -65,10 +65,10 @@ void rtc9701_device::timer_callback()
{ m_rtc.month++; m_rtc.day = 0x01; }
}
else if((m_rtc.day & 0xff) >= dpm[dpm_count]+1){ m_rtc.month++; m_rtc.day = 0x01; }
- if((m_rtc.month & 0x0f) >= 0x0a) { m_rtc.month = 0x10; }
- if(m_rtc.month >= 0x13) { m_rtc.year++; m_rtc.month = 1; }
- if((m_rtc.year & 0x0f) >= 0x0a) { m_rtc.year+=0x10; m_rtc.year&=0xf0; }
- if((m_rtc.year & 0xf0) >= 0xa0) { m_rtc.year = 0; } //2000-2099 possible timeframe
+ if((m_rtc.month & 0x0f) >= 0x0a) { m_rtc.month = 0x10; }
+ if(m_rtc.month >= 0x13) { m_rtc.year++; m_rtc.month = 1; }
+ if((m_rtc.year & 0x0f) >= 0x0a) { m_rtc.year+=0x10; m_rtc.year&=0xf0; }
+ if((m_rtc.year & 0xf0) >= 0xa0) { m_rtc.year = 0; } //2000-2099 possible timeframe
}
TIMER_CALLBACK( rtc9701_device::rtc_inc_callback )
@@ -467,5 +467,3 @@ WRITE_LINE_MEMBER( rtc9701_device::set_clock_line )
}
}
}
-
-