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-rw-r--r--src/mess/machine/vic1010.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/src/mess/machine/vic1010.c b/src/mess/machine/vic1010.c
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+++ b/src/mess/machine/vic1010.c
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+/**********************************************************************
+
+ Commodore VIC-1010 Expansion Module emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#include "vic1010.h"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type VIC1010 = &device_creator<vic1010_device>;
+
+
+//-------------------------------------------------
+// VIC20_EXPANSION_INTERFACE( expansion_intf )
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER( vic1010_device::irq_w )
+{
+ m_slot->irq_w(state);
+}
+
+WRITE_LINE_MEMBER( vic1010_device::nmi_w )
+{
+ m_slot->nmi_w(state);
+}
+
+WRITE_LINE_MEMBER( vic1010_device::res_w )
+{
+ m_slot->res_w(state);
+}
+
+static VIC20_EXPANSION_INTERFACE( expansion_intf )
+{
+ DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF_OWNER, vic1010_device, irq_w),
+ DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF_OWNER, vic1010_device, nmi_w),
+ DEVCB_DEVICE_LINE_MEMBER(DEVICE_SELF_OWNER, vic1010_device, res_w)
+};
+
+
+//-------------------------------------------------
+// MACHINE_DRIVER( vic1010 )
+//-------------------------------------------------
+
+static MACHINE_CONFIG_FRAGMENT( vic1010 )
+ MCFG_VIC20_EXPANSION_SLOT_ADD("slot1", expansion_intf, vic20_expansion_cards, NULL, NULL)
+ MCFG_VIC20_EXPANSION_SLOT_ADD("slot2", expansion_intf, vic20_expansion_cards, NULL, NULL)
+ MCFG_VIC20_EXPANSION_SLOT_ADD("slot3", expansion_intf, vic20_expansion_cards, NULL, NULL)
+ MCFG_VIC20_EXPANSION_SLOT_ADD("slot4", expansion_intf, vic20_expansion_cards, NULL, NULL)
+ MCFG_VIC20_EXPANSION_SLOT_ADD("slot5", expansion_intf, vic20_expansion_cards, NULL, NULL)
+ MCFG_VIC20_EXPANSION_SLOT_ADD("slot6", expansion_intf, vic20_expansion_cards, NULL, NULL)
+MACHINE_CONFIG_END
+
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+machine_config_constructor vic1010_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( vic1010 );
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// vic1010_device - constructor
+//-------------------------------------------------
+
+vic1010_device::vic1010_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, VIC1010, "VIC1010", tag, owner, clock),
+ device_vic20_expansion_card_interface(mconfig, *this)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void vic1010_device::device_start()
+{
+ // find devices
+ m_expansion_slot[0] = dynamic_cast<vic20_expansion_slot_device *>(subdevice("slot1"));
+ m_expansion_slot[1] = dynamic_cast<vic20_expansion_slot_device *>(subdevice("slot2"));
+ m_expansion_slot[2] = dynamic_cast<vic20_expansion_slot_device *>(subdevice("slot3"));
+ m_expansion_slot[3] = dynamic_cast<vic20_expansion_slot_device *>(subdevice("slot4"));
+ m_expansion_slot[4] = dynamic_cast<vic20_expansion_slot_device *>(subdevice("slot5"));
+ m_expansion_slot[5] = dynamic_cast<vic20_expansion_slot_device *>(subdevice("slot6"));
+}
+
+
+//-------------------------------------------------
+// vic20_cd_r - cartridge data read
+//-------------------------------------------------
+
+UINT8 vic1010_device::vic20_cd_r(address_space &space, offs_t offset, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3)
+{
+ UINT8 data = 0;
+
+ for (int i = 0; i < MAX_SLOTS; i++)
+ {
+ data |= m_expansion_slot[i]->cd_r(space, offset, ram1, ram2, ram3, blk1, blk2, blk3, blk5, io2, io3);
+ }
+
+ return data;
+}
+
+
+//-------------------------------------------------
+// vic20_cd_w - cartridge data write
+//-------------------------------------------------
+
+void vic1010_device::vic20_cd_w(address_space &space, offs_t offset, UINT8 data, int ram1, int ram2, int ram3, int blk1, int blk2, int blk3, int blk5, int io2, int io3)
+{
+ for (int i = 0; i < MAX_SLOTS; i++)
+ {
+ m_expansion_slot[i]->cd_w(space, offset, data, ram1, ram2, ram3, blk1, blk2, blk3, blk5, io2, io3);
+ }
+}
+
+
+//-------------------------------------------------
+// vic20_screen_update - screen update
+//-------------------------------------------------
+
+UINT32 vic1010_device::vic20_screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ UINT32 data = 0;
+
+ for (int i = 0; i < MAX_SLOTS; i++)
+ {
+ data |= m_expansion_slot[i]->screen_update(screen, bitmap, cliprect);
+ }
+
+ return data;
+}
+
+
+//-------------------------------------------------
+// vic20_res_w - reset write
+//-------------------------------------------------
+
+void vic1010_device::vic20_res_w(int state)
+{
+ for (int i = 0; i < MAX_SLOTS; i++)
+ {
+ m_expansion_slot[i]->port_res_w(state);
+ }
+}