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mvme180: add cmmu

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This commit is contained in:
Patrick Mackinlay 2023-02-03 14:28:38 +07:00
parent 1f2ae2d47a
commit 2ac99146cd
2 changed files with 8 additions and 5 deletions
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9
src/devices/bus/vme/vme_mvme180.cpp
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@ -23,7 +23,7 @@ vme_mvme180_device::vme_mvme180_device(machine_config const &mconfig, char const
: device_t(mconfig, VME_MVME180, tag, owner, clock)
, device_vme_card_interface(mconfig, *this)
, m_cpu(*this, "cpu")
//, m_mmu(*this, "mmu%u", 0U)
, m_mmu(*this, "mmu%u", 0U)
, m_duart(*this, "duart")
, m_serial(*this, "serial%u", 0U)
, m_boot(*this, "boot")
@ -67,7 +67,7 @@ void vme_mvme180_device::device_add_mconfig(machine_config &config)
{
MC88100(config, m_cpu, 40_MHz_XTAL / 2);
m_cpu->set_addrmap(AS_PROGRAM, &vme_mvme180_device::cpu_mem);
#if 0
MC88200(config, m_mmu[0], 40_MHz_XTAL / 2, 0x7e);
m_mmu[0]->set_mbus(m_cpu, AS_PROGRAM);
m_cpu->set_cmmu_i(m_mmu[0]);
@ -75,9 +75,10 @@ void vme_mvme180_device::device_add_mconfig(machine_config &config)
MC88200(config, m_mmu[1], 40_MHz_XTAL / 2, 0x7f);
m_mmu[1]->set_mbus(m_cpu, AS_PROGRAM);
m_cpu->set_cmmu_d(m_mmu[1]);
#endif
SCN2681(config, m_duart, 3.6864_MHz_XTAL);
m_duart->irq_cb().set(FUNC(vme_mvme180_device::irq_w<6>));
m_duart->outport_cb().set([this](u8 data) { LOG("port 0x%02x\n", data); });
RS232_PORT(config, m_serial[0], default_rs232_devices, "terminal");
RS232_PORT(config, m_serial[1], default_rs232_devices, nullptr);
@ -104,6 +105,8 @@ void vme_mvme180_device::cpu_mem(address_map &map)
LOG("imr 0x%08x (%s)\n", data, machine().describe_context());
m_imr = data;
m_boot.select(1);
interrupt();
}, "imr");
// 0xffe3'0000 // clear parity error interrupt?

4
src/devices/bus/vme/vme_mvme180.h
View File

@ -10,7 +10,7 @@
#include "cpu/m88000/m88000.h"
#include "machine/mc68681.h"
//#include "machine/mc88200.h"
#include "machine/mc88200.h"
#include "bus/rs232/rs232.h"
@ -36,7 +36,7 @@ private:
void interrupt();
required_device<mc88100_device> m_cpu;
//required_device_array<mc88200_device, 2> m_mmu;
required_device_array<mc88200_device, 2> m_mmu;
required_device<scn2681_device> m_duart;
required_device_array<rs232_port_device, 2> m_serial;