diff options
Diffstat (limited to 'src/devices/bus/adam/adamlink.c')
-rw-r--r-- | src/devices/bus/adam/adamlink.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/devices/bus/adam/adamlink.c b/src/devices/bus/adam/adamlink.c new file mode 100644 index 00000000000..1ae12b1156f --- /dev/null +++ b/src/devices/bus/adam/adamlink.c @@ -0,0 +1,84 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Coleco AdamLink 300 Baud Modem emulation + +**********************************************************************/ + +#include "adamlink.h" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type ADAMLINK = &device_creator<adamlink_device>; + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// adamlink_device - constructor +//------------------------------------------------- + +adamlink_device::adamlink_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, ADAMLINK, "AdamLink modem", tag, owner, clock, "adamlink", __FILE__), + device_adam_expansion_slot_card_interface(mconfig, *this) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void adamlink_device::device_start() +{ +} + + +//------------------------------------------------- +// adam_bd_r - buffered data read +//------------------------------------------------- + +UINT8 adamlink_device::adam_bd_r(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) +{ + if (!biorq) + { + switch (offset) + { + case 0x5e: + break; + + case 0x5f: + break; + } + } + + return data; +} + + +//------------------------------------------------- +// adam_bd_w - buffered data write +//------------------------------------------------- + +void adamlink_device::adam_bd_w(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) +{ + if (!biorq) + { + switch (offset) + { + case 0x5e: + break; + + case 0x5f: + break; + } + } +} |