diff options
Diffstat (limited to 'src/devices/cpu/h8/c77.cpp')
-rw-r--r-- | src/devices/cpu/h8/c77.cpp | 216 |
1 files changed, 216 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); +} |