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Diffstat (limited to 'src/devices/machine/ds2404.cpp')
-rw-r--r--src/devices/machine/ds2404.cpp142
1 files changed, 71 insertions, 71 deletions
diff --git a/src/devices/machine/ds2404.cpp b/src/devices/machine/ds2404.cpp
index ce24d0336ca..27b179b149d 100644
--- a/src/devices/machine/ds2404.cpp
+++ b/src/devices/machine/ds2404.cpp
@@ -66,19 +66,19 @@ void ds2404_device::device_start()
m_rtc[4] = (current_time >> 24) & 0xff;
for (auto & elem : m_state)
- elem = DS2404_STATE_IDLE;
+ elem = STATE_IDLE;
m_tick_timer = timer_alloc(0);
m_tick_timer->adjust(attotime::from_hz(256), 0, attotime::from_hz(256));
}
-void ds2404_device::ds2404_rom_cmd(uint8_t cmd)
+void ds2404_device::rom_cmd(uint8_t cmd)
{
switch(cmd)
{
case 0xcc: /* Skip ROM */
- m_state[0] = DS2404_STATE_COMMAND;
+ m_state[0] = STATE_COMMAND;
m_state_ptr = 0;
break;
@@ -87,32 +87,32 @@ void ds2404_device::ds2404_rom_cmd(uint8_t cmd)
}
}
-void ds2404_device::ds2404_cmd(uint8_t cmd)
+void ds2404_device::cmd(uint8_t cmd)
{
switch(cmd)
{
case 0x0f: /* Write scratchpad */
- m_state[0] = DS2404_STATE_ADDRESS1;
- m_state[1] = DS2404_STATE_ADDRESS2;
- m_state[2] = DS2404_STATE_INIT_COMMAND;
- m_state[3] = DS2404_STATE_WRITE_SCRATCHPAD;
+ m_state[0] = STATE_ADDRESS1;
+ m_state[1] = STATE_ADDRESS2;
+ m_state[2] = STATE_INIT_COMMAND;
+ m_state[3] = STATE_WRITE_SCRATCHPAD;
m_state_ptr = 0;
break;
case 0x55: /* Copy scratchpad */
- m_state[0] = DS2404_STATE_ADDRESS1;
- m_state[1] = DS2404_STATE_ADDRESS2;
- m_state[2] = DS2404_STATE_OFFSET;
- m_state[3] = DS2404_STATE_INIT_COMMAND;
- m_state[4] = DS2404_STATE_COPY_SCRATCHPAD;
+ m_state[0] = STATE_ADDRESS1;
+ m_state[1] = STATE_ADDRESS2;
+ m_state[2] = STATE_OFFSET;
+ m_state[3] = STATE_INIT_COMMAND;
+ m_state[4] = STATE_COPY_SCRATCHPAD;
m_state_ptr = 0;
break;
case 0xf0: /* Read memory */
- m_state[0] = DS2404_STATE_ADDRESS1;
- m_state[1] = DS2404_STATE_ADDRESS2;
- m_state[2] = DS2404_STATE_INIT_COMMAND;
- m_state[3] = DS2404_STATE_READ_MEMORY;
+ m_state[0] = STATE_ADDRESS1;
+ m_state[1] = STATE_ADDRESS2;
+ m_state[2] = STATE_INIT_COMMAND;
+ m_state[3] = STATE_READ_MEMORY;
m_state_ptr = 0;
break;
@@ -121,7 +121,7 @@ void ds2404_device::ds2404_cmd(uint8_t cmd)
}
}
-uint8_t ds2404_device::ds2404_readmem()
+uint8_t ds2404_device::readmem()
{
if( m_address < 0x200 )
{
@@ -134,7 +134,7 @@ uint8_t ds2404_device::ds2404_readmem()
return 0;
}
-void ds2404_device::ds2404_writemem(uint8_t value)
+void ds2404_device::writemem(uint8_t value)
{
if( m_address < 0x200 )
{
@@ -146,36 +146,36 @@ void ds2404_device::ds2404_writemem(uint8_t value)
}
}
-WRITE8_MEMBER( ds2404_device::ds2404_1w_reset_w )
+void ds2404_device::_1w_reset_w(uint8_t data)
{
- m_state[0] = DS2404_STATE_IDLE;
+ m_state[0] = STATE_IDLE;
m_state_ptr = 0;
}
-WRITE8_MEMBER( ds2404_device::ds2404_3w_reset_w )
+void ds2404_device::_3w_reset_w(uint8_t data)
{
- m_state[0] = DS2404_STATE_COMMAND;
+ m_state[0] = STATE_COMMAND;
m_state_ptr = 0;
}
-READ8_MEMBER( ds2404_device::ds2404_data_r )
+uint8_t ds2404_device::data_r()
{
uint8_t value = 0;
switch(m_state[m_state_ptr])
{
- case DS2404_STATE_IDLE:
- case DS2404_STATE_COMMAND:
- case DS2404_STATE_ADDRESS1:
- case DS2404_STATE_ADDRESS2:
- case DS2404_STATE_OFFSET:
- case DS2404_STATE_INIT_COMMAND:
+ case STATE_IDLE:
+ case STATE_COMMAND:
+ case STATE_ADDRESS1:
+ case STATE_ADDRESS2:
+ case STATE_OFFSET:
+ case STATE_INIT_COMMAND:
break;
- case DS2404_STATE_READ_MEMORY:
- value = ds2404_readmem();
+ case STATE_READ_MEMORY:
+ value = readmem();
break;
- case DS2404_STATE_READ_SCRATCHPAD:
+ case STATE_READ_SCRATCHPAD:
if(m_offset < 0x20)
{
value = m_ram[m_offset];
@@ -183,52 +183,52 @@ READ8_MEMBER( ds2404_device::ds2404_data_r )
}
break;
- case DS2404_STATE_WRITE_SCRATCHPAD:
+ case STATE_WRITE_SCRATCHPAD:
break;
- case DS2404_STATE_COPY_SCRATCHPAD:
+ case STATE_COPY_SCRATCHPAD:
break;
}
return value;
}
-WRITE8_MEMBER( ds2404_device::ds2404_data_w )
+void ds2404_device::data_w(uint8_t data)
{
switch( m_state[m_state_ptr] )
{
- case DS2404_STATE_IDLE:
- ds2404_rom_cmd(data & 0xff);
+ case STATE_IDLE:
+ rom_cmd(data & 0xff);
break;
- case DS2404_STATE_COMMAND:
- ds2404_cmd(data & 0xff);
+ case STATE_COMMAND:
+ cmd(data & 0xff);
break;
- case DS2404_STATE_ADDRESS1:
+ case STATE_ADDRESS1:
m_a1 = data & 0xff;
m_state_ptr++;
break;
- case DS2404_STATE_ADDRESS2:
+ case STATE_ADDRESS2:
m_a2 = data & 0xff;
m_state_ptr++;
break;
- case DS2404_STATE_OFFSET:
+ case STATE_OFFSET:
m_end_offset = data & 0xff;
m_state_ptr++;
break;
- case DS2404_STATE_INIT_COMMAND:
+ case STATE_INIT_COMMAND:
break;
- case DS2404_STATE_READ_MEMORY:
+ case STATE_READ_MEMORY:
break;
- case DS2404_STATE_READ_SCRATCHPAD:
+ case STATE_READ_SCRATCHPAD:
break;
- case DS2404_STATE_WRITE_SCRATCHPAD:
+ case STATE_WRITE_SCRATCHPAD:
if( m_offset < 0x20 )
{
m_ram[m_offset] = data & 0xff;
@@ -240,43 +240,43 @@ WRITE8_MEMBER( ds2404_device::ds2404_data_w )
}
break;
- case DS2404_STATE_COPY_SCRATCHPAD:
+ case STATE_COPY_SCRATCHPAD:
break;
}
- if( m_state[m_state_ptr] == DS2404_STATE_INIT_COMMAND )
+ if( m_state[m_state_ptr] == STATE_INIT_COMMAND )
{
switch( m_state[m_state_ptr + 1] )
{
- case DS2404_STATE_IDLE:
- case DS2404_STATE_COMMAND:
- case DS2404_STATE_ADDRESS1:
- case DS2404_STATE_ADDRESS2:
- case DS2404_STATE_OFFSET:
- case DS2404_STATE_INIT_COMMAND:
+ case STATE_IDLE:
+ case STATE_COMMAND:
+ case STATE_ADDRESS1:
+ case STATE_ADDRESS2:
+ case STATE_OFFSET:
+ case STATE_INIT_COMMAND:
break;
- case DS2404_STATE_READ_MEMORY:
+ case STATE_READ_MEMORY:
m_address = (m_a2 << 8) | m_a1;
m_address -= 1;
break;
- case DS2404_STATE_WRITE_SCRATCHPAD:
+ case STATE_WRITE_SCRATCHPAD:
m_address = (m_a2 << 8) | m_a1;
m_offset = m_address & 0x1f;
break;
- case DS2404_STATE_READ_SCRATCHPAD:
+ case STATE_READ_SCRATCHPAD:
m_address = (m_a2 << 8) | m_a1;
m_offset = m_address & 0x1f;
break;
- case DS2404_STATE_COPY_SCRATCHPAD:
+ case STATE_COPY_SCRATCHPAD:
m_address = (m_a2 << 8) | m_a1;
for(int i = 0; i <= m_end_offset; i++)
{
- ds2404_writemem(m_ram[i]);
+ writemem(m_ram[i]);
m_address++;
}
break;
@@ -285,29 +285,29 @@ WRITE8_MEMBER( ds2404_device::ds2404_data_w )
}
}
-WRITE8_MEMBER( ds2404_device::ds2404_clk_w )
+void ds2404_device::clk_w(uint8_t data)
{
switch( m_state[m_state_ptr] )
{
- case DS2404_STATE_IDLE:
- case DS2404_STATE_COMMAND:
- case DS2404_STATE_ADDRESS1:
- case DS2404_STATE_ADDRESS2:
- case DS2404_STATE_OFFSET:
- case DS2404_STATE_INIT_COMMAND:
+ case STATE_IDLE:
+ case STATE_COMMAND:
+ case STATE_ADDRESS1:
+ case STATE_ADDRESS2:
+ case STATE_OFFSET:
+ case STATE_INIT_COMMAND:
break;
- case DS2404_STATE_READ_MEMORY:
+ case STATE_READ_MEMORY:
m_address++;
break;
- case DS2404_STATE_READ_SCRATCHPAD:
+ case STATE_READ_SCRATCHPAD:
break;
- case DS2404_STATE_WRITE_SCRATCHPAD:
+ case STATE_WRITE_SCRATCHPAD:
break;
- case DS2404_STATE_COPY_SCRATCHPAD:
+ case STATE_COPY_SCRATCHPAD:
break;
}
}