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author | 2012-11-16 18:34:35 +0000 | |
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committer | 2012-11-16 18:34:35 +0000 | |
commit | 954c61d7c84f1a88a4c01b9c531cc1544cc3fb6c (patch) | |
tree | 102b9ebe0a6c2534bb562f6ab257d83ebbd8bcb1 /src/mess/machine/bw2exp.c | |
parent | 51346049f6c64444a859460bbd5e49d37eec2ef6 (diff) |
(MESS) bw2: Added expansion slot interface and RAMCARD expansion device. [Curt Coder]
Diffstat (limited to 'src/mess/machine/bw2exp.c')
-rw-r--r-- | src/mess/machine/bw2exp.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/mess/machine/bw2exp.c b/src/mess/machine/bw2exp.c new file mode 100644 index 00000000000..fa41befb470 --- /dev/null +++ b/src/mess/machine/bw2exp.c @@ -0,0 +1,188 @@ +/********************************************************************** + + Bondwell 2 Expansion Port emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#include "machine/bw2exp.h" + + + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type BW2_EXPANSION_SLOT = &device_creator<bw2_expansion_slot_device>; + + + +//************************************************************************** +// CARD INTERFACE +//************************************************************************** + +//------------------------------------------------- +// device_bw2_expansion_slot_interface - constructor +//------------------------------------------------- + +device_bw2_expansion_slot_interface::device_bw2_expansion_slot_interface(const machine_config &mconfig, device_t &device) + : device_slot_card_interface(mconfig,device) +{ + m_slot = dynamic_cast<bw2_expansion_slot_device *>(device.owner()); +} + + +//------------------------------------------------- +// ~device_bw2_expansion_slot_interface - destructor +//------------------------------------------------- + +device_bw2_expansion_slot_interface::~device_bw2_expansion_slot_interface() +{ +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// bw2_expansion_slot_device - constructor +//------------------------------------------------- + +bw2_expansion_slot_device::bw2_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, BW2_EXPANSION_SLOT, "Bondwell 2 expansion port", tag, owner, clock), + device_slot_interface(mconfig, *this) +{ +} + + +//------------------------------------------------- +// bw2_expansion_slot_device - destructor +//------------------------------------------------- + +bw2_expansion_slot_device::~bw2_expansion_slot_device() +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void bw2_expansion_slot_device::device_start() +{ + m_cart = dynamic_cast<device_bw2_expansion_slot_interface *>(get_card_device()); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void bw2_expansion_slot_device::device_reset() +{ + if (m_cart != NULL) + { + m_cart->device().reset(); + } +} + + +//------------------------------------------------- +// cd_r - cartridge data read +//------------------------------------------------- + +UINT8 bw2_expansion_slot_device::cd_r(address_space &space, offs_t offset, UINT8 data, int ram2, int ram3, int ram4, int ram5, int ram6) +{ + if (m_cart != NULL) + { + data = m_cart->bw2_cd_r(space, offset, data, ram2, ram3, ram4, ram5, ram6); + } + + return data; +} + + +//------------------------------------------------- +// cd_w - cartridge data write +//------------------------------------------------- + +void bw2_expansion_slot_device::cd_w(address_space &space, offs_t offset, UINT8 data, int ram2, int ram3, int ram4, int ram5, int ram6) +{ + if (m_cart != NULL) + { + m_cart->bw2_cd_w(space, offset, data, ram2, ram3, ram4, ram5, ram6); + } +} + + +//------------------------------------------------- +// slot_r - slot read +//------------------------------------------------- + +READ8_MEMBER( bw2_expansion_slot_device::slot_r ) +{ + UINT8 data = 0xff; + + if (m_cart != NULL) + { + data = m_cart->bw2_slot_r(space, offset); + } + + return data; +} + + +//------------------------------------------------- +// slot_w - slot write +//------------------------------------------------- + +WRITE8_MEMBER( bw2_expansion_slot_device::slot_w ) +{ + if (m_cart != NULL) + { + m_cart->bw2_slot_w(space, offset, data); + } +} + + +//------------------------------------------------- +// modsel_r - modsel read +//------------------------------------------------- + +READ8_MEMBER( bw2_expansion_slot_device::modsel_r ) +{ + UINT8 data = 0xff; + + if (m_cart != NULL) + { + data = m_cart->bw2_modsel_r(space, offset); + } + + return data; +} + + +//------------------------------------------------- +// modsel_w - modsel write +//------------------------------------------------- + +WRITE8_MEMBER( bw2_expansion_slot_device::modsel_w ) +{ + if (m_cart != NULL) + { + m_cart->bw2_modsel_w(space, offset, data); + } +} + + +//------------------------------------------------- +// SLOT_INTERFACE( bw2_expansion_cards ) +//------------------------------------------------- + +SLOT_INTERFACE_START( bw2_expansion_cards ) + SLOT_INTERFACE("ramcard", BW2_RAMCARD) +SLOT_INTERFACE_END |