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-rw-r--r--src/devices/bus/adam/exp.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/src/devices/bus/adam/exp.c b/src/devices/bus/adam/exp.c
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+++ b/src/devices/bus/adam/exp.c
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+// 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