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author smf- <smf-@users.noreply.github.com>2024-10-25 12:24:09 +0100
committer smf- <smf-@users.noreply.github.com>2024-10-25 15:16:47 +0100
commit58c2dae9995bc724fef29ffd07eb9813b7fac116 (patch)
treef3c16c55edc11eb1a1cb62e1776f7a220fda0b85 /src
parenta005ad31c75c6cfafcfc7063cb1d6c14931716a2 (diff)
Added C77, custom H8 for Namco.
Diffstat (limited to 'src')
-rw-r--r--src/devices/cpu/h8/c77.cpp216
-rw-r--r--src/devices/cpu/h8/c77.h95
2 files changed, 311 insertions, 0 deletions
diff --git a/src/devices/cpu/h8/c77.cpp b/src/devices/cpu/h8/c77.cpp
new file mode 100644
index 00000000000..2acf360ca73
--- /dev/null
+++ b/src/devices/cpu/h8/c77.cpp
@@ -0,0 +1,216 @@
+// license:BSD-3-Clause
+// copyright-holders:smf, Olivier Galibert
+/***************************************************************************
+
+ Namco C77
+
+ Similar to H8337, but some onboard peripherals and vectors were moved.
+
+ Only the peripherals used in Cyber Lead I/O boards have been mapped.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "c77.h"
+
+DEFINE_DEVICE_TYPE(NAMCO_C77, namco_c77_device, "namco_c77", "Namco C77")
+
+namco_c77_device::namco_c77_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, uint32_t start) :
+ h8_device(mconfig, type, tag, owner, clock, address_map_constructor(FUNC(namco_c77_device::map), this)),
+ m_intc(*this, "intc"),
+ m_port1(*this, "port1"),
+ m_port2(*this, "port2"),
+ m_port3(*this, "port3"),
+ m_port4(*this, "port4"),
+ m_port5(*this, "port5"),
+ m_port6(*this, "port6"),
+ m_port7(*this, "port7"),
+ m_port8(*this, "port8"),
+ m_port9(*this, "port9"),
+ m_timer8_0(*this, "timer8_0"),
+ //m_timer8_1(*this, "timer8_1"),
+ m_syscr(0),
+ m_ram_start(start)
+{
+}
+
+namco_c77_device::namco_c77_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ namco_c77_device(mconfig, NAMCO_C77, tag, owner, clock, 0xf780)
+{
+}
+
+void namco_c77_device::device_add_mconfig(machine_config &config)
+{
+ H8_INTC(config, m_intc, *this);
+ //H8_ADC_3337(config, m_adc, *this, m_intc, 35);
+ H8_PORT(config, m_port1, *this, h8_device::PORT_1, 0x00, 0x00);
+ H8_PORT(config, m_port2, *this, h8_device::PORT_2, 0x00, 0x00);
+ H8_PORT(config, m_port3, *this, h8_device::PORT_3, 0x00, 0x00);
+ H8_PORT(config, m_port4, *this, h8_device::PORT_4, 0x00, 0x00);
+ H8_PORT(config, m_port5, *this, h8_device::PORT_5, 0xf8, 0xf8);
+ H8_PORT(config, m_port6, *this, h8_device::PORT_6, 0x00, 0x00);
+ H8_PORT(config, m_port7, *this, h8_device::PORT_7, 0x00, 0x00);
+ H8_PORT(config, m_port8, *this, h8_device::PORT_8, 0x80, 0x80);
+ H8_PORT(config, m_port9, *this, h8_device::PORT_9, 0x00, 0x00);
+ H8_TIMER8_CHANNEL(config, m_timer8_0, *this, m_intc, 23, 24, 25, 8, 2, 64, 32, 1024, 256);
+ //H8_TIMER8_CHANNEL(config, m_timer8_1, *this, m_intc, 26, 27, 28, 8, 2, 64, 128, 1024, 2048);
+ H8_SCI(config, m_sci[0], 0, *this, m_intc, 29, 30, 31, 32);
+ H8_SCI(config, m_sci[1], 1, *this, m_intc, 33, 34, 35, 36);
+}
+
+void namco_c77_device::device_start()
+{
+ h8_device::device_start();
+
+ save_item(NAME(m_syscr));
+}
+
+void namco_c77_device::device_reset()
+{
+ h8_device::device_reset();
+
+ m_syscr = 0x09;
+}
+
+void namco_c77_device::execute_set_input(int inputnum, int state)
+{
+ m_intc->set_input(inputnum, state);
+}
+
+void namco_c77_device::irq_setup()
+{
+ m_CCR |= F_I;
+}
+
+void namco_c77_device::update_irq_filter()
+{
+ if(m_CCR & F_I)
+ m_intc->set_filter(2, -1);
+ else
+ m_intc->set_filter(0, -1);
+}
+
+void namco_c77_device::interrupt_taken()
+{
+ standard_irq_callback(m_intc->interrupt_taken(m_taken_irq_vector), m_NPC);
+}
+
+void namco_c77_device::internal_update(uint64_t current_time)
+{
+ uint64_t event_time = 0;
+
+ add_event(event_time, m_sci[0]->internal_update(current_time));
+ add_event(event_time, m_sci[1]->internal_update(current_time));
+ add_event(event_time, m_timer8_0->internal_update(current_time));
+ //add_event(event_time, m_timer8_1->internal_update(current_time));
+
+ recompute_bcount(event_time);
+}
+
+void namco_c77_device::notify_standby(int state)
+{
+ //m_adc->notify_standby(state);
+ m_sci[0]->notify_standby(state);
+ m_sci[1]->notify_standby(state);
+ m_timer8_0->notify_standby(state);
+ //m_timer8_1->notify_standby(state);
+}
+
+void namco_c77_device::map(address_map &map)
+{
+ map(m_ram_start, 0xff7f).ram();
+
+ //map(0xffac, 0xffac).rw(m_port1, FUNC(h8_port_device::pcr_r), FUNC(h8_port_device::pcr_w));
+ //map(0xffad, 0xffad).rw(m_port2, FUNC(h8_port_device::pcr_r), FUNC(h8_port_device::pcr_w));
+ //map(0xffae, 0xffae).rw(m_port3, FUNC(h8_port_device::pcr_r), FUNC(h8_port_device::pcr_w));
+ map(0xffb0, 0xffb0).w(m_port1, FUNC(h8_port_device::ddr_w));
+ map(0xffb1, 0xffb1).w(m_port2, FUNC(h8_port_device::ddr_w));
+ map(0xffb2, 0xffb2).rw(m_port1, FUNC(h8_port_device::port_r), FUNC(h8_port_device::dr_w));
+ map(0xffb3, 0xffb3).rw(m_port2, FUNC(h8_port_device::port_r), FUNC(h8_port_device::dr_w));
+ map(0xffb4, 0xffb4).w(m_port3, FUNC(h8_port_device::ddr_w));
+ map(0xffb5, 0xffb5).w(m_port4, FUNC(h8_port_device::ddr_w));
+ map(0xffb6, 0xffb6).rw(m_port3, FUNC(h8_port_device::port_r), FUNC(h8_port_device::dr_w));
+ map(0xffb7, 0xffb7).rw(m_port4, FUNC(h8_port_device::port_r), FUNC(h8_port_device::dr_w));
+ map(0xffb8, 0xffb8).w(m_port5, FUNC(h8_port_device::ddr_w));
+ map(0xffb9, 0xffb9).w(m_port6, FUNC(h8_port_device::ddr_w));
+ map(0xffba, 0xffba).rw(m_port5, FUNC(h8_port_device::port_r), FUNC(h8_port_device::dr_w));
+ map(0xffbb, 0xffbb).rw(m_port6, FUNC(h8_port_device::port_r), FUNC(h8_port_device::dr_w));
+ map(0xffbc, 0xffbc).w(m_port7, FUNC(h8_port_device::ddr_w));
+ map(0xffbd, 0xffbd).w(m_port8, FUNC(h8_port_device::ddr_w));
+ map(0xffbe, 0xffbe).rw(m_port7, FUNC(h8_port_device::port_r), FUNC(h8_port_device::dr_w));
+ map(0xffbf, 0xffbf).rw(m_port8, FUNC(h8_port_device::port_r), FUNC(h8_port_device::dr_w));
+ map(0xffc0, 0xffc0).w(m_port9, FUNC(h8_port_device::ddr_w));
+ map(0xffc1, 0xffc1).rw(m_port9, FUNC(h8_port_device::port_r), FUNC(h8_port_device::dr_w));
+ map(0xffc2, 0xffc2).rw(FUNC(namco_c77_device::wscr_r), FUNC(namco_c77_device::wscr_w));
+ map(0xffc3, 0xffc3).rw(FUNC(namco_c77_device::stcr_r), FUNC(namco_c77_device::stcr_w));
+ map(0xffc4, 0xffc4).rw(FUNC(namco_c77_device::syscr_r), FUNC(namco_c77_device::syscr_w));
+ map(0xffc5, 0xffc5).rw(FUNC(namco_c77_device::mdcr_r), FUNC(namco_c77_device::mdcr_w));
+ map(0xffc6, 0xffc6).rw(m_intc, FUNC(h8_intc_device::iscr_r), FUNC(h8_intc_device::iscr_w));
+ map(0xffc7, 0xffc7).rw(m_intc, FUNC(h8_intc_device::ier_r), FUNC(h8_intc_device::ier_w));
+ map(0xffc8, 0xffc8).rw(m_timer8_0, FUNC(h8_timer8_channel_device::tcr_r), FUNC(h8_timer8_channel_device::tcr_w));
+ map(0xffc9, 0xffc9).rw(m_timer8_0, FUNC(h8_timer8_channel_device::tcsr_r), FUNC(h8_timer8_channel_device::tcsr_w));
+ map(0xffca, 0xffcb).rw(m_timer8_0, FUNC(h8_timer8_channel_device::tcor_r), FUNC(h8_timer8_channel_device::tcor_w));
+ map(0xffcc, 0xffcc).rw(m_timer8_0, FUNC(h8_timer8_channel_device::tcnt_r), FUNC(h8_timer8_channel_device::tcnt_w));
+ //map(0xffd0, 0xffd0).rw(m_timer8_1, FUNC(h8_timer8_channel_device::tcr_r), FUNC(h8_timer8_channel_device::tcr_w));
+ //map(0xffd1, 0xffd1).rw(m_timer8_1, FUNC(h8_timer8_channel_device::tcsr_r), FUNC(h8_timer8_channel_device::tcsr_w));
+ //map(0xffd2, 0xffd3).rw(m_timer8_1, FUNC(h8_timer8_channel_device::tcor_r), FUNC(h8_timer8_channel_device::tcor_w));
+ //map(0xffd4, 0xffd4).rw(m_timer8_1, FUNC(h8_timer8_channel_device::tcnt_r), FUNC(h8_timer8_channel_device::tcnt_w));
+ map(0xffd8, 0xffd8).rw(m_sci[0], FUNC(h8_sci_device::smr_r), FUNC(h8_sci_device::smr_w));
+ map(0xffd9, 0xffd9).rw(m_sci[0], FUNC(h8_sci_device::brr_r), FUNC(h8_sci_device::brr_w));
+ map(0xffda, 0xffda).rw(m_sci[0], FUNC(h8_sci_device::scr_r), FUNC(h8_sci_device::scr_w));
+ map(0xffdb, 0xffdb).rw(m_sci[0], FUNC(h8_sci_device::tdr_r), FUNC(h8_sci_device::tdr_w));
+ map(0xffdc, 0xffdc).rw(m_sci[0], FUNC(h8_sci_device::ssr_r), FUNC(h8_sci_device::ssr_w));
+ map(0xffdd, 0xffdd).r(m_sci[0], FUNC(h8_sci_device::rdr_r));
+ map(0xffe0, 0xffe0).rw(m_sci[1], FUNC(h8_sci_device::smr_r), FUNC(h8_sci_device::smr_w));
+ map(0xffe1, 0xffe1).rw(m_sci[1], FUNC(h8_sci_device::brr_r), FUNC(h8_sci_device::brr_w));
+ map(0xffe2, 0xffe2).rw(m_sci[1], FUNC(h8_sci_device::scr_r), FUNC(h8_sci_device::scr_w));
+ map(0xffe3, 0xffe3).rw(m_sci[1], FUNC(h8_sci_device::tdr_r), FUNC(h8_sci_device::tdr_w));
+ map(0xffe4, 0xffe4).rw(m_sci[1], FUNC(h8_sci_device::ssr_r), FUNC(h8_sci_device::ssr_w));
+ map(0xffe5, 0xffe5).r(m_sci[1], FUNC(h8_sci_device::rdr_r));
+
+ //map(0xfff1, 0xfff1) // kmimr? Cyber Lead LED board writes 0xbf here
+ //map(0xfff2, 0xfff2).rw(m_port6, FUNC(h8_port_device::pcr_r), FUNC(h8_port_device::pcr_w));
+}
+
+uint8_t namco_c77_device::wscr_r()
+{
+ return 0x00;
+}
+
+void namco_c77_device::wscr_w(uint8_t data)
+{
+ logerror("wscr = %02x\n", data);
+}
+
+uint8_t namco_c77_device::stcr_r()
+{
+ return 0x00;
+}
+
+void namco_c77_device::stcr_w(uint8_t data)
+{
+ logerror("stcr = %02x\n", data);
+ m_timer8_0->set_extra_clock_bit(data & 0x01);
+ //m_timer8_1->set_extra_clock_bit(data & 0x02);
+}
+
+uint8_t namco_c77_device::syscr_r()
+{
+ return m_syscr;
+}
+
+void namco_c77_device::syscr_w(uint8_t data)
+{
+ m_syscr = data;
+ logerror("syscr = %02x\n", data);
+}
+
+uint8_t namco_c77_device::mdcr_r()
+{
+ return 0x00;
+}
+
+void namco_c77_device::mdcr_w(uint8_t data)
+{
+ logerror("mdcr = %02x\n", data);
+}
diff --git a/src/devices/cpu/h8/c77.h b/src/devices/cpu/h8/c77.h
new file mode 100644
index 00000000000..267770fc63e
--- /dev/null
+++ b/src/devices/cpu/h8/c77.h
@@ -0,0 +1,95 @@
+// license:BSD-3-Clause
+// copyright-holders:smf, Olivier Galibert
+/***************************************************************************
+
+ Namco C77
+
+ Custom H8 used on Cyberlead cabinet I/O boards
+
+***************************************************************************/
+
+#ifndef MAME_CPU_H8_C77_H
+#define MAME_CPU_H8_C77_H
+
+#pragma once
+
+#include "h8.h"
+#include "h8_intc.h"
+//#include "h8_adc.h"
+#include "h8_port.h"
+#include "h8_timer8.h"
+#include "h8_sci.h"
+
+class namco_c77_device :
+ public h8_device
+{
+public:
+ namco_c77_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ auto read_port1() { return m_read_port [PORT_1].bind(); }
+ auto write_port1() { return m_write_port[PORT_1].bind(); }
+ auto read_port2() { return m_read_port [PORT_2].bind(); }
+ auto write_port2() { return m_write_port[PORT_2].bind(); }
+ auto read_port3() { return m_read_port [PORT_3].bind(); }
+ auto write_port3() { return m_write_port[PORT_3].bind(); }
+ auto read_port4() { return m_read_port [PORT_4].bind(); }
+ auto write_port4() { return m_write_port[PORT_4].bind(); }
+ auto read_port5() { return m_read_port [PORT_5].bind(); }
+ auto write_port5() { return m_write_port[PORT_5].bind(); }
+ auto read_port6() { return m_read_port [PORT_6].bind(); }
+ auto write_port6() { return m_write_port[PORT_6].bind(); }
+ auto read_port7() { return m_read_port [PORT_7].bind(); }
+ auto read_port8() { return m_read_port [PORT_8].bind(); }
+ auto write_port8() { return m_write_port[PORT_8].bind(); }
+ auto read_port9() { return m_read_port [PORT_9].bind(); }
+ auto write_port9() { return m_write_port[PORT_9].bind(); }
+
+ uint8_t wscr_r();
+ void wscr_w(uint8_t data);
+ uint8_t stcr_r();
+ void stcr_w(uint8_t data);
+ uint8_t syscr_r();
+ void syscr_w(uint8_t data);
+ uint8_t mdcr_r();
+ void mdcr_w(uint8_t data);
+
+protected:
+ namco_c77_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, uint32_t start);
+
+ // device_t
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override;
+
+ // device_execute_interface
+ virtual void execute_set_input(int inputnum, int state) override;
+
+ // h8_device
+ virtual void irq_setup() override;
+ virtual void update_irq_filter() override;
+ virtual void interrupt_taken() override;
+ virtual void internal_update(uint64_t current_time) override;
+ virtual void notify_standby(int state) override;
+
+ void map(address_map &map) ATTR_COLD;
+
+ required_device<h8_intc_device> m_intc;
+ required_device<h8_port_device> m_port1;
+ required_device<h8_port_device> m_port2;
+ required_device<h8_port_device> m_port3;
+ required_device<h8_port_device> m_port4;
+ required_device<h8_port_device> m_port5;
+ required_device<h8_port_device> m_port6;
+ required_device<h8_port_device> m_port7;
+ required_device<h8_port_device> m_port8;
+ required_device<h8_port_device> m_port9;
+ required_device<h8_timer8_channel_device> m_timer8_0;
+ //required_device<h8_timer8_channel_device> m_timer8_1;
+
+ uint8_t m_syscr;
+ uint32_t m_ram_start;
+};
+
+DECLARE_DEVICE_TYPE(NAMCO_C77, namco_c77_device)
+
+#endif // MAME_CPU_H8_C77_H