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// license:BSD-3-Clause
// copyright-holders:David Haywood
// https://apps.dtic.mil/sti/tr/pdf/ADA181619.pdf
#include "emu.h"
#include "mipsx.h"
#include "mipsxdasm.h"
DEFINE_DEVICE_TYPE(MIPSX, mipsx_cpu_device, "mipsx", "MIPS-X")
mipsx_cpu_device::mipsx_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: cpu_device(mconfig, MIPSX, tag, owner, clock)
, m_program_config("program", ENDIANNESS_BIG, 32, 32, 0)
, m_pc(0)
, m_program(nullptr)
, m_icount(0)
{
}
std::unique_ptr<util::disasm_interface> mipsx_cpu_device::create_disassembler()
{
return std::make_unique<mipsx_disassembler>();
}
/*****************************************************************************/
device_memory_interface::space_config_vector mipsx_cpu_device::memory_space_config() const
{
return space_config_vector {
std::make_pair(AS_PROGRAM, &m_program_config)
};
}
/*****************************************************************************/
void mipsx_cpu_device::device_start()
{
m_program = &space(AS_PROGRAM);
state_add(STATE_GENPC, "GENPC", m_pc).formatstr("%08X");
state_add(STATE_GENPCBASE, "CURPC", m_pc).callexport().noshow();
set_icountptr(m_icount);
}
void mipsx_cpu_device::device_reset()
{
}
/*****************************************************************************/
void mipsx_cpu_device::execute_run()
{
while (m_icount > 0)
{
debugger_instruction_hook(m_pc);
m_pc += 4;
m_icount--;
}
}
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