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author AJR <ajrhacker@users.noreply.github.com>2019-02-03 10:15:57 -0500
committer AJR <ajrhacker@users.noreply.github.com>2019-02-03 10:15:57 -0500
commitb6fb151b5e66fe7cb5692cd6012bbc4af3eeadbb (patch)
treec35009547dc22ab204784604f8be13598785cc50
parent5e0f160b684eadddb7ac1c7f47cb2d7f7cf16525 (diff)
Provide 1 MHz clock for uPD7002 (nw)
-rw-r--r--src/devices/bus/bbc/exp/mertec.cpp2
-rw-r--r--src/mame/drivers/bbc.cpp4
2 files changed, 3 insertions, 3 deletions
diff --git a/src/devices/bus/bbc/exp/mertec.cpp b/src/devices/bus/bbc/exp/mertec.cpp
index 8f896da0359..3c8a110707a 100644
--- a/src/devices/bus/bbc/exp/mertec.cpp
+++ b/src/devices/bus/bbc/exp/mertec.cpp
@@ -52,7 +52,7 @@ void bbc_mertec_device::device_add_mconfig(machine_config &config)
//m_pia->irq_handler().set("irqs", FUNC(input_merger_device::in_w<0>));
/* adc */
- UPD7002(config, m_upd7002, 0);
+ UPD7002(config, m_upd7002, DERIVED_CLOCK(1, 8));
m_upd7002->set_get_analogue_callback(FUNC(bbc_mertec_device::get_analogue_input), this);
m_upd7002->set_eoc_callback(FUNC(bbc_mertec_device::upd7002_eoc), this);
diff --git a/src/mame/drivers/bbc.cpp b/src/mame/drivers/bbc.cpp
index c2ade862351..acf96cf8d42 100644
--- a/src/mame/drivers/bbc.cpp
+++ b/src/mame/drivers/bbc.cpp
@@ -946,7 +946,7 @@ void bbc_state::bbcb(machine_config &config)
m_via6522_1->irq_handler().set(m_irqs, FUNC(input_merger_device::in_w<2>));
/* adc */
- UPD7002(config, m_upd7002, 0);
+ UPD7002(config, m_upd7002, 16_MHz_XTAL / 16);
m_upd7002->set_get_analogue_callback(FUNC(bbc_state::get_analogue_input), this);
m_upd7002->set_eoc_callback(FUNC(bbc_state::upd7002_eoc), this);
@@ -1401,7 +1401,7 @@ void bbcm_state::bbcm(machine_config &config)
m_acia_clock->signal_handler().set(FUNC(bbc_state::write_acia_clock));
/* adc */
- UPD7002(config, m_upd7002, 0);
+ UPD7002(config, m_upd7002, 16_MHz_XTAL / 16);
m_upd7002->set_get_analogue_callback(FUNC(bbc_state::get_analogue_input), this);
m_upd7002->set_eoc_callback(FUNC(bbc_state::upd7002_eoc), this);