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-rw-r--r--src/devices/bus/iq151/iq151.c210
1 files changed, 210 insertions, 0 deletions
diff --git a/src/devices/bus/iq151/iq151.c b/src/devices/bus/iq151/iq151.c
new file mode 100644
index 00000000000..842602aceb8
--- /dev/null
+++ b/src/devices/bus/iq151/iq151.c
@@ -0,0 +1,210 @@
+// license:BSD-3-Clause
+// copyright-holders:Sandro Ronco
+/*********************************************************************
+
+ IQ151 cartridge slot emulation
+
+*********************************************************************/
+
+#include "emu.h"
+#include "iq151.h"
+#include "emuopts.h"
+
+#define LOG 0
+
+
+/***************************************************************************
+ PARAMETERS
+***************************************************************************/
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+const device_type IQ151CART_SLOT = &device_creator<iq151cart_slot_device>;
+
+//**************************************************************************
+// IQ151 cartridge interface
+//**************************************************************************
+
+//-------------------------------------------------
+// device_iq151cart_interface - constructor
+//-------------------------------------------------
+
+device_iq151cart_interface::device_iq151cart_interface(const machine_config &mconfig, device_t &device)
+ : device_slot_card_interface(mconfig, device)
+{
+}
+
+
+//-------------------------------------------------
+// ~device_iq151cart_interface - destructor
+//-------------------------------------------------
+
+device_iq151cart_interface::~device_iq151cart_interface()
+{
+}
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// iq151cart_slot_device - constructor
+//-------------------------------------------------
+iq151cart_slot_device::iq151cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, IQ151CART_SLOT, "IQ151 cartridge slot", tag, owner, clock, "iq151cart_slot", __FILE__),
+ device_slot_interface(mconfig, *this),
+ device_image_interface(mconfig, *this),
+ m_out_irq0_cb(*this),
+ m_out_irq1_cb(*this),
+ m_out_irq2_cb(*this),
+ m_out_irq3_cb(*this),
+ m_out_irq4_cb(*this),
+ m_out_drq_cb(*this)
+{
+}
+
+
+//-------------------------------------------------
+// iq151cart_slot_device - destructor
+//-------------------------------------------------
+
+iq151cart_slot_device::~iq151cart_slot_device()
+{
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void iq151cart_slot_device::device_start()
+{
+ m_cart = dynamic_cast<device_iq151cart_interface *>(get_card_device());
+
+ // resolve callbacks
+ m_out_irq0_cb.resolve_safe();
+ m_out_irq1_cb.resolve_safe();
+ m_out_irq2_cb.resolve_safe();
+ m_out_irq3_cb.resolve_safe();
+ m_out_irq4_cb.resolve_safe();
+ m_out_drq_cb.resolve_safe();
+
+}
+
+//-------------------------------------------------
+// device_config_complete - perform any
+// operations now that the configuration is
+// complete
+//-------------------------------------------------
+
+void iq151cart_slot_device::device_config_complete()
+{
+ // set brief and instance name
+ update_names();
+}
+
+
+/*-------------------------------------------------
+ read
+-------------------------------------------------*/
+
+void iq151cart_slot_device::read(offs_t offset, UINT8 &data)
+{
+ if (m_cart)
+ m_cart->read(offset, data);
+}
+
+/*-------------------------------------------------
+ write
+-------------------------------------------------*/
+
+void iq151cart_slot_device::write(offs_t offset, UINT8 data)
+{
+ if (m_cart)
+ m_cart->write(offset, data);
+}
+
+/*-------------------------------------------------
+ IO read
+-------------------------------------------------*/
+
+void iq151cart_slot_device::io_read(offs_t offset, UINT8 &data)
+{
+ if (m_cart)
+ m_cart->io_read(offset, data);
+}
+
+
+/*-------------------------------------------------
+ IO write
+-------------------------------------------------*/
+
+void iq151cart_slot_device::io_write(offs_t offset, UINT8 data)
+{
+ if (m_cart)
+ m_cart->io_write(offset, data);
+}
+
+
+/*-------------------------------------------------
+ video update
+-------------------------------------------------*/
+
+void iq151cart_slot_device::video_update(bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ if (m_cart)
+ m_cart->video_update(bitmap, cliprect);
+}
+
+
+/*-------------------------------------------------
+ call load
+-------------------------------------------------*/
+
+bool iq151cart_slot_device::call_load()
+{
+ if (m_cart)
+ {
+ offs_t read_length = 0;
+ UINT8 *cart_base = m_cart->get_cart_base();
+
+ if (cart_base != NULL)
+ {
+ if (software_entry() == NULL)
+ {
+ read_length = length();
+ fread(m_cart->get_cart_base(), read_length);
+ }
+ else
+ {
+ read_length = get_software_region_length("rom");
+ memcpy(m_cart->get_cart_base(), get_software_region("rom"), read_length);
+ }
+ }
+ else
+ return IMAGE_INIT_FAIL;
+ }
+
+ return IMAGE_INIT_PASS;
+}
+
+/*-------------------------------------------------
+ call softlist load
+-------------------------------------------------*/
+
+bool iq151cart_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 iq151cart_slot_device::get_default_card_software(std::string &result)
+{
+ software_get_default_slot(result, "basic6");
+}