diff options
Diffstat (limited to 'src/devices/bus/wangpc/lic.c')
-rw-r--r-- | src/devices/bus/wangpc/lic.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/devices/bus/wangpc/lic.c b/src/devices/bus/wangpc/lic.c new file mode 100644 index 00000000000..cebc359a942 --- /dev/null +++ b/src/devices/bus/wangpc/lic.c @@ -0,0 +1,159 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Wang PC Network card emulation + +**********************************************************************/ + +#include "lic.h" + + + +//************************************************************************** +// MACROS/CONSTANTS +//************************************************************************** + +#define OPTION_ID 0x30 + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type WANGPC_LIC = &device_creator<wangpc_lic_device>; + + +//------------------------------------------------- +// ROM( wangpc_lic ) +//------------------------------------------------- + +ROM_START( wangpc_lic ) + ROM_REGION( 0x1000, "network", 0 ) + ROM_LOAD( "7025.l22", 0x0000, 0x1000, CRC(487e5f04) SHA1(81e52e70e0c6e34715119b121ec19a7758cd6772) ) +ROM_END + + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const rom_entry *wangpc_lic_device::device_rom_region() const +{ + return ROM_NAME( wangpc_lic ); +} + + +//------------------------------------------------- +// MACHINE_CONFIG_FRAGMENT( wangpc_lic ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( wangpc_lic ) +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor wangpc_lic_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( wangpc_lic ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// wangpc_lic_device - constructor +//------------------------------------------------- + +wangpc_lic_device::wangpc_lic_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, WANGPC_LIC, "Wang PC-PM070", tag, owner, clock, "wangpc_lic", __FILE__), + device_wangpcbus_card_interface(mconfig, *this) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void wangpc_lic_device::device_start() +{ +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void wangpc_lic_device::device_reset() +{ +} + + +//------------------------------------------------- +// wangpcbus_mrdc_r - memory read +//------------------------------------------------- + +UINT16 wangpc_lic_device::wangpcbus_mrdc_r(address_space &space, offs_t offset, UINT16 mem_mask) +{ + UINT16 data = 0xffff; + + return data; +} + + +//------------------------------------------------- +// wangpcbus_amwc_w - memory write +//------------------------------------------------- + +void wangpc_lic_device::wangpcbus_amwc_w(address_space &space, offs_t offset, UINT16 mem_mask, UINT16 data) +{ +} + + +//------------------------------------------------- +// wangpcbus_iorc_r - I/O read +//------------------------------------------------- + +UINT16 wangpc_lic_device::wangpcbus_iorc_r(address_space &space, offs_t offset, UINT16 mem_mask) +{ + UINT16 data = 0xffff; + + if (sad(offset)) + { + switch (offset & 0x7f) + { + case 0xfe/2: + data = 0xff00 | OPTION_ID; + break; + } + } + + return data; +} + + +//------------------------------------------------- +// wangpcbus_aiowc_w - I/O write +//------------------------------------------------- + +void wangpc_lic_device::wangpcbus_aiowc_w(address_space &space, offs_t offset, UINT16 mem_mask, UINT16 data) +{ + if (sad(offset)) + { + switch (offset & 0x7f) + { + case 0xfc/2: + device_reset(); + break; + } + } +} |