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Diffstat (limited to 'src/emu/machine/upd1990a.c')
-rw-r--r--src/emu/machine/upd1990a.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/src/emu/machine/upd1990a.c b/src/emu/machine/upd1990a.c
index 7e79f88d697..0f3145f1f3b 100644
--- a/src/emu/machine/upd1990a.c
+++ b/src/emu/machine/upd1990a.c
@@ -171,7 +171,7 @@ void upd1990a_device::device_timer(emu_timer &timer, device_timer_id id, int par
int max_shift = is_serial_mode() ? 6 : 5;
m_data_out = (m_time_counter[max_shift - 1] == 0);
m_write_data(get_data_out());
-
+
for (int i = 0; i < max_shift; i++)
{
m_time_counter[i]++;
@@ -219,11 +219,11 @@ WRITE_LINE_MEMBER( upd1990a_device::stb_w )
{
m_c = m_c_unlatched;
if (m_c == 7)
- m_c = MODE_TEST;
+ m_c = MODE_TEST;
}
-
+
if (LOG) logerror("uPD1990A '%s' Command %x\n", tag(), m_c);
-
+
// common functions
if (m_c == MODE_REGISTER_HOLD || (m_c >= MODE_TP_64HZ && m_c < MODE_TEST))
{
@@ -234,7 +234,7 @@ WRITE_LINE_MEMBER( upd1990a_device::stb_w )
m_testmode = false;
m_timer_test_mode->enable(0);
}
-
+
switch (m_c)
{
case MODE_REGISTER_HOLD:
@@ -285,10 +285,10 @@ WRITE_LINE_MEMBER( upd1990a_device::stb_w )
bcd_to_integer(m_time_counter[1]),
bcd_to_integer(m_time_counter[0])
);
-
+
// reset stage 10-15 of clock divider
m_timer_clock->adjust(attotime::from_ticks(m_timer_clock->remaining().as_ticks(clock()) % (clock() / 512), clock()), 0, attotime::from_hz(clock() / 32768.0));
-
+
// disable(low) time pulse in testmode
if (m_testmode)
{
@@ -336,7 +336,7 @@ WRITE_LINE_MEMBER( upd1990a_device::stb_w )
// set timer pulse
const float div[4] = { 512.0, 128.0, 16.0, 8.0 };
m_timer_tp->adjust(attotime::zero, 0, attotime::from_hz((clock() / div[m_c - MODE_TP_64HZ]) * 2.0));
-
+
break;
}
@@ -349,7 +349,7 @@ WRITE_LINE_MEMBER( upd1990a_device::stb_w )
attotime one_second = attotime::from_hz(clock() / 32768.0);
const float mul[4] = { 1.0, 10.0, 30.0, 60.0 };
m_timer_tp->adjust(attotime::zero, 0, one_second * mul[m_c - MODE_TP_1S_INT] / 2.0);
-
+
break;
}
@@ -374,7 +374,7 @@ WRITE_LINE_MEMBER( upd1990a_device::stb_w )
m_timer_test_mode->adjust(attotime::zero, 0, attotime::from_hz(clock() / div));
break;
}
-
+
default:
break;
}
@@ -399,7 +399,7 @@ WRITE_LINE_MEMBER( upd1990a_device::clk_w )
if (!m_clk && state)
{
int in = m_data_in;
-
+
if (is_serial_mode())
{
// always clock serial command register
@@ -407,7 +407,7 @@ WRITE_LINE_MEMBER( upd1990a_device::clk_w )
m_shift_reg[6] >>= 1;
m_shift_reg[6] |= (m_data_in << 3);
}
-
+
if (m_c == MODE_SHIFT)
{
// clock shift register
@@ -420,7 +420,7 @@ WRITE_LINE_MEMBER( upd1990a_device::clk_w )
else
m_shift_reg[i] |= (m_shift_reg[i + 1] << 7 & 0x80);
}
-
+
// data out LSB of shift register
m_data_out = m_shift_reg[0] & 1;
m_write_data(get_data_out());
@@ -449,7 +449,7 @@ WRITE_LINE_MEMBER( upd1990a_device::oe_w )
int prev_oe = m_oe;
m_oe = state;
-
+
if (m_oe != prev_oe && m_c != MODE_TEST)
m_write_data(get_data_out());
}