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Diffstat (limited to 'src/devices/cpu/bcp/dp8344.cpp')
-rw-r--r--src/devices/cpu/bcp/dp8344.cpp23
1 files changed, 10 insertions, 13 deletions
diff --git a/src/devices/cpu/bcp/dp8344.cpp b/src/devices/cpu/bcp/dp8344.cpp
index 28c99a8ebed..fcc872855eb 100644
--- a/src/devices/cpu/bcp/dp8344.cpp
+++ b/src/devices/cpu/bcp/dp8344.cpp
@@ -66,9 +66,6 @@ dp8344_device::dp8344_device(const machine_config &mconfig, device_type type, co
: cpu_device(mconfig, type, tag, owner, clock)
, m_inst_config("instruction", ENDIANNESS_LITTLE, 16, 16, -1)
, m_data_config("data", ENDIANNESS_LITTLE, 8, 16, 0)
- , m_inst_space(nullptr)
- , m_data_space(nullptr)
- , m_inst_cache(nullptr)
, m_birq_out_cb(*this)
, m_data_out_cb(*this)
, m_data_dly_cb(*this)
@@ -174,9 +171,9 @@ void dp8344_device::device_resolve_objects()
void dp8344_device::device_start()
{
// get memory spaces
- m_inst_space = &space(AS_PROGRAM);
- m_data_space = &space(AS_DATA);
- m_inst_cache = m_inst_space->cache<1, -1, ENDIANNESS_LITTLE>();
+ space(AS_PROGRAM).cache(m_inst_cache);
+ space(AS_PROGRAM).specific(m_inst_space);
+ space(AS_DATA).specific(m_data_space);
set_icountptr(m_icount);
@@ -1490,7 +1487,7 @@ void dp8344_device::execute_set_input(int irqline, int state)
void dp8344_device::prefetch_instruction()
{
- m_latched_instr = m_inst_cache->read_word(m_pc);
+ m_latched_instr = m_inst_cache.read_word(m_pc);
}
@@ -1844,7 +1841,7 @@ void dp8344_device::data_write()
break;
}
- m_data_space->write_byte(m_data_address, m_source_data);
+ m_data_space.write_byte(m_data_address, m_source_data);
}
@@ -1855,7 +1852,7 @@ void dp8344_device::data_write()
void dp8344_device::data_read()
{
- write_register(m_latched_instr & ((m_latched_instr & 0xf000) == 0x9000 ? 0x000f : 0x001f), m_data_space->read_byte(m_data_address));
+ write_register(m_latched_instr & ((m_latched_instr & 0xf000) == 0x9000 ? 0x000f : 0x001f), m_data_space.read_byte(m_data_address));
}
@@ -2086,13 +2083,13 @@ u8 dp8344_device::remote_read(offs_t offset)
{
case 0x00:
// Read from data memory
- data = m_data_space->read_byte(offset);
+ data = m_data_space.read_byte(offset);
break;
case 0x01:
// Read from instruction memory
if (!m_hib && !machine().side_effects_disabled())
- m_latched_instr = m_inst_space->read_word(m_pc);
+ m_latched_instr = m_inst_space.read_word(m_pc);
data = m_hib ? m_latched_instr >> 8 : m_latched_instr & 0xff;
if (!machine().side_effects_disabled())
{
@@ -2133,7 +2130,7 @@ void dp8344_device::remote_write(offs_t offset, u8 data)
{
case 0x00:
// Write to data memory
- m_data_space->write_byte(offset, data);
+ m_data_space.write_byte(offset, data);
break;
case 0x01:
@@ -2146,7 +2143,7 @@ void dp8344_device::remote_write(offs_t offset, u8 data)
{
m_hib = !m_hib;
if (!m_hib)
- m_inst_space->write_word(m_pc++, m_latched_instr);
+ m_inst_space.write_word(m_pc++, m_latched_instr);
}
break;