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Diffstat (limited to 'src/devices/bus/adam/exp.c')
-rw-r--r-- | src/devices/bus/adam/exp.c | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/devices/bus/adam/exp.c b/src/devices/bus/adam/exp.c new file mode 100644 index 00000000000..110a1299188 --- /dev/null +++ b/src/devices/bus/adam/exp.c @@ -0,0 +1,190 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Coleco Adam Expansion Port emulation + +**********************************************************************/ + +#include "exp.h" + + + +//************************************************************************** +// MACROS/CONSTANTS +//************************************************************************** + +#define LOG 0 + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type ADAM_EXPANSION_SLOT = &device_creator<adam_expansion_slot_device>; + + + +//************************************************************************** +// DEVICE C64_EXPANSION CARD INTERFACE +//************************************************************************** + +//------------------------------------------------- +// device_adam_expansion_slot_card_interface - constructor +//------------------------------------------------- + +device_adam_expansion_slot_card_interface::device_adam_expansion_slot_card_interface(const machine_config &mconfig, device_t &device) : + device_slot_card_interface(mconfig, device), + m_rom(*this, "rom") +{ + m_slot = dynamic_cast<adam_expansion_slot_device *>(device.owner()); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// adam_expansion_slot_device - constructor +//------------------------------------------------- + +adam_expansion_slot_device::adam_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, ADAM_EXPANSION_SLOT, "ADAM expansion slot", tag, owner, clock, "adam_expansion_slot", __FILE__), + device_slot_interface(mconfig, *this), + device_image_interface(mconfig, *this), + m_write_irq(*this) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void adam_expansion_slot_device::device_start() +{ + m_card = dynamic_cast<device_adam_expansion_slot_card_interface *>(get_card_device()); + + // resolve callbacks + m_write_irq.resolve_safe(); +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void adam_expansion_slot_device::device_reset() +{ +} + + +//------------------------------------------------- +// call_load - +//------------------------------------------------- + +bool adam_expansion_slot_device::call_load() +{ + if (m_card) + { + size_t size = 0; + + if (software_entry() == NULL) + { + size = length(); + + fread(m_card->m_rom, size); + } + else + { + load_software_region("rom", m_card->m_rom); + } + } + + return IMAGE_INIT_PASS; +} + + +//------------------------------------------------- +// call_softlist_load - +//------------------------------------------------- + +bool adam_expansion_slot_device::call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry) +{ + load_software_part_region(*this, swlist, swname, start_entry); + + return true; +} + + +//------------------------------------------------- +// get_default_card_software - +//------------------------------------------------- + +void adam_expansion_slot_device::get_default_card_software(std::string &result) +{ + software_get_default_slot(result, "standard"); +} + + +//------------------------------------------------- +// bd_r - buffered data read +//------------------------------------------------- + +UINT8 adam_expansion_slot_device::bd_r(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) +{ + if (m_card != NULL) + { + data = m_card->adam_bd_r(space, offset, data, bmreq, biorq, aux_rom_cs, cas1, cas2); + } + + return data; +} + + +//------------------------------------------------- +// cd_w - cartridge data write +//------------------------------------------------- + +void adam_expansion_slot_device::bd_w(address_space &space, offs_t offset, UINT8 data, int bmreq, int biorq, int aux_rom_cs, int cas1, int cas2) +{ + if (m_card != NULL) + { + m_card->adam_bd_w(space, offset, data, bmreq, biorq, aux_rom_cs, cas1, cas2); + } +} + + +// slot devices +#include "adamlink.h" +#include "ide.h" +#include "ram.h" + +//------------------------------------------------- +// SLOT_INTERFACE( adam_slot1_devices ) +//------------------------------------------------- + +SLOT_INTERFACE_START( adam_slot1_devices ) + SLOT_INTERFACE("adamlink", ADAMLINK) +SLOT_INTERFACE_END + + +//------------------------------------------------- +// SLOT_INTERFACE( adam_slot2_devices ) +//------------------------------------------------- + +SLOT_INTERFACE_START( adam_slot2_devices ) + SLOT_INTERFACE("ide", ADAM_IDE) +SLOT_INTERFACE_END + + +//------------------------------------------------- +// SLOT_INTERFACE( adam_slot3_devices ) +//------------------------------------------------- + +SLOT_INTERFACE_START( adam_slot3_devices ) + SLOT_INTERFACE("ram", ADAM_RAM) +SLOT_INTERFACE_END |