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Diffstat (limited to 'src/mame/drivers/xerox820.cpp')
-rw-r--r--src/mame/drivers/xerox820.cpp12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/mame/drivers/xerox820.cpp b/src/mame/drivers/xerox820.cpp
index 172d1d2cd3a..891cbc7e65d 100644
--- a/src/mame/drivers/xerox820.cpp
+++ b/src/mame/drivers/xerox820.cpp
@@ -264,7 +264,7 @@ WRITE8_MEMBER( xerox820_state::kbpio_pa_w )
*/
/* drive select */
- floppy_image_device *floppy = NULL;
+ floppy_image_device *floppy = nullptr;
if (BIT(data, 0)) floppy = m_floppy0->get_device();
if (BIT(data, 1)) floppy = m_floppy1->get_device();
@@ -371,7 +371,7 @@ static const z80_daisy_config xerox820_daisy_chain[] =
{ Z80PIO_KB_TAG },
{ Z80PIO_GP_TAG },
{ Z80CTC_TAG },
- { NULL }
+ { nullptr }
};
/* WD1771 Interface */
@@ -586,10 +586,10 @@ static MACHINE_CONFIG_START( xerox820, xerox820_state )
MCFG_Z80DART_OUT_RTSB_CB(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_rts))
MCFG_Z80DART_OUT_INT_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0))
- MCFG_RS232_PORT_ADD(RS232_A_TAG, default_rs232_devices, NULL)
+ MCFG_RS232_PORT_ADD(RS232_A_TAG, default_rs232_devices, nullptr)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(Z80SIO_TAG, z80sio0_device, rxa_w))
- MCFG_RS232_PORT_ADD(RS232_B_TAG, default_rs232_devices, NULL)
+ MCFG_RS232_PORT_ADD(RS232_B_TAG, default_rs232_devices, nullptr)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(Z80SIO_TAG, z80sio0_device, rxb_w))
MCFG_DEVICE_ADD(COM8116_TAG, COM8116, XTAL_5_0688MHz)
@@ -673,10 +673,10 @@ static MACHINE_CONFIG_START( xerox820ii, xerox820ii_state )
MCFG_Z80DART_OUT_RTSB_CB(DEVWRITELINE(RS232_B_TAG, rs232_port_device, write_rts))
MCFG_Z80DART_OUT_INT_CB(INPUTLINE(Z80_TAG, INPUT_LINE_IRQ0))
- MCFG_RS232_PORT_ADD(RS232_A_TAG, default_rs232_devices, NULL)
+ MCFG_RS232_PORT_ADD(RS232_A_TAG, default_rs232_devices, nullptr)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(Z80SIO_TAG, z80sio0_device, rxa_w))
- MCFG_RS232_PORT_ADD(RS232_B_TAG, default_rs232_devices, NULL)
+ MCFG_RS232_PORT_ADD(RS232_B_TAG, default_rs232_devices, nullptr)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(Z80SIO_TAG, z80sio0_device, rxb_w))
MCFG_DEVICE_ADD(COM8116_TAG, COM8116, XTAL_5_0688MHz)