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z8: Timer clock cleanup (nw)

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This commit is contained in:
AJR 2017-05-25 11:44:19 -04:00
parent 9422e167ca
commit a7fbc354c0
1 changed files with 4 additions and 4 deletions
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8
src/devices/cpu/z8/z8.cpp
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@ -361,7 +361,7 @@ void z8_device::register_write(uint8_t offset, uint8_t data)
if (data & Z8_TMR_LOAD_T0)
{
m_t0 = T0;
m_t0_timer->adjust(attotime::zero, 0, attotime::from_hz(m_clock / 2 / 4 / ((PRE0 >> 2) + 1)));
m_t0_timer->adjust(attotime::zero, 0, cycles_to_attotime(4 * ((PRE0 >> 2) + 1)));
}
m_t0_timer->enable(data & Z8_TMR_ENABLE_T0);
@ -369,7 +369,7 @@ void z8_device::register_write(uint8_t offset, uint8_t data)
if (data & Z8_TMR_LOAD_T1)
{
m_t1 = T1;
m_t1_timer->adjust(attotime::zero, 0, attotime::from_hz(m_clock / 2 / 4 / ((PRE1 >> 2) + 1)));
m_t1_timer->adjust(attotime::zero, 0, cycles_to_attotime(4 * ((PRE1 >> 2) + 1)));
}
m_t1_timer->enable(data & Z8_TMR_ENABLE_T1);
@ -641,7 +641,7 @@ TIMER_CALLBACK_MEMBER( z8_device::t0_tick )
if (m_t0 == 0)
{
m_t0 = T0;
m_t0_timer->adjust(attotime::zero, 0, attotime::from_hz(m_clock / 2 / 4 / ((PRE0 >> 2) + 1)));
m_t0_timer->adjust(attotime::zero, 0, cycles_to_attotime(4 * ((PRE0 >> 2) + 1)));
m_t0_timer->enable(PRE0 & Z8_PRE0_COUNT_MODULO_N);
m_irq[4] = ASSERT_LINE;
}
@ -654,7 +654,7 @@ TIMER_CALLBACK_MEMBER( z8_device::t1_tick )
if (m_t1 == 0)
{
m_t1 = T1;
m_t1_timer->adjust(attotime::zero, 0, attotime::from_hz(m_clock / 2 / 4 / ((PRE1 >> 2) + 1)));
m_t1_timer->adjust(attotime::zero, 0, cycles_to_attotime(4 * ((PRE1 >> 2) + 1)));
m_t1_timer->enable(PRE1 & Z8_PRE0_COUNT_MODULO_N);
m_irq[5] = ASSERT_LINE;
}