// construction/destruction
protected m6800_cpu_device(machine_config mconfig, string tag, device_t owner, uint32_t clock)
: this(mconfig, M6800, tag, owner, clock, m6800_insn, cycles_6800, null)
{
m_class_interfaces.Add(new device_execute_interface_m6800(mconfig, this));
m_class_interfaces.Add(new device_memory_interface_m6800(mconfig, this));
m_class_interfaces.Add(new device_state_interface_m6800(mconfig, this));
m_class_interfaces.Add(new device_disasm_interface_m6800(mconfig, this));
m_dimemory = GetClassInterface <device_memory_interface_m6800>();
m_diexec = GetClassInterface <device_execute_interface_m6800>();
m_distate = GetClassInterface <device_state_interface_m6800>();
}
// device-level overrides
protected override void device_start()
{
m_dimemory = GetClassInterface <device_memory_interface_m6800>();
m_diexec = GetClassInterface <device_execute_interface_m6800>();
m_distate = GetClassInterface <device_state_interface_m6800>();
m_program = m_dimemory.space(AS_PROGRAM);
m_cache = m_program.cache(0, 0, (int)endianness_t.ENDIANNESS_BIG);
m_opcodes = m_dimemory.has_space(AS_OPCODES) ? m_dimemory.space(AS_OPCODES) : m_program;
m_opcodes_cache = m_opcodes.cache(0, 0, (int)endianness_t.ENDIANNESS_BIG);
m_pc.d = 0;
m_s.d = 0;
m_x.d = 0;
m_d.d = 0;
m_cc = 0;
m_wai_state = 0;
m_irq_state[0] = 0;
m_irq_state[1] = 0;
m_irq_state[2] = 0;
save_item(m_ppc.w.l, "m_ppc.w.l");
save_item(m_pc.w.l, "m_pc.w.l");
save_item(m_s.w.l, "m_s.w.l");
save_item(m_x.w.l, "m_x.w.l");
save_item(m_d.w.l, "m_d.w.l");
save_item(m_cc, "m_cc");
save_item(m_wai_state, "m_wai_state");
save_item(m_nmi_state, "m_nmi_state");
save_item(m_nmi_pending, "m_nmi_pending");
save_item(m_irq_state, "m_irq_state");
m_distate.state_add(M6800_A, "A", m_d.b.h).formatstr("%02X");
m_distate.state_add(M6800_B, "B", m_d.b.l).formatstr("%02X");
m_distate.state_add(M6800_PC, "PC", m_pc.w.l).formatstr("%04X");
m_distate.state_add(M6800_S, "S", m_s.w.l).formatstr("%04X");
m_distate.state_add(M6800_X, "X", m_x.w.l).formatstr("%04X");
m_distate.state_add(M6800_CC, "CC", m_cc).formatstr("%02X");
m_distate.state_add(M6800_WAI_STATE, "WAI", m_wai_state).formatstr("%01X");
m_distate.state_add(STATE_GENPC, "GENPC", m_pc.w.l).noshow();
m_distate.state_add(STATE_GENPCBASE, "CURPC", m_pc.w.l).noshow();
m_distate.state_add(STATE_GENFLAGS, "GENFLAGS", m_cc).formatstr("%8s").noshow();
set_icountptr(m_icountRef);
}
