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author Miodrag Milanovic <mmicko@gmail.com>2015-11-08 12:56:12 +0100
committer Miodrag Milanovic <mmicko@gmail.com>2015-11-08 12:56:12 +0100
commit7c19aac60e12d6f5ea301bdb34d7826a01e0b06f (patch)
treef310d86aa2c6bfc19d115307dedde4eb0cd52dad /src/devices/bus/c64/mach5.cpp
parenta57b46ae933badd7441ce1644711dbb851e2b504 (diff)
Rename *.c -> *.cpp in our source (nw)
Diffstat (limited to 'src/devices/bus/c64/mach5.cpp')
-rw-r--r--src/devices/bus/c64/mach5.cpp118
1 files changed, 118 insertions, 0 deletions
diff --git a/src/devices/bus/c64/mach5.cpp b/src/devices/bus/c64/mach5.cpp
new file mode 100644
index 00000000000..dea893ca627
--- /dev/null
+++ b/src/devices/bus/c64/mach5.cpp
@@ -0,0 +1,118 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Access Software MACH 5 cartridge emulation
+
+**********************************************************************/
+
+#include "mach5.h"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type C64_MACH5 = &device_creator<c64_mach5_cartridge_device>;
+
+
+//-------------------------------------------------
+// INPUT_PORTS( c64_mach5 )
+//-------------------------------------------------
+
+static INPUT_PORTS_START( c64_mach5 )
+ PORT_START("S1")
+ PORT_DIPNAME( 0x01, 0x00, "Mode" )
+ PORT_DIPSETTING( 0x00, "C64" )
+ PORT_DIPSETTING( 0x01, "C128" )
+
+ PORT_START("S2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Reset") PORT_CODE(KEYCODE_F11) PORT_WRITE_LINE_DEVICE_MEMBER(DEVICE_SELF_OWNER, c64_expansion_slot_device, reset_w)
+INPUT_PORTS_END
+
+
+//-------------------------------------------------
+// input_ports - device-specific input ports
+//-------------------------------------------------
+
+ioport_constructor c64_mach5_cartridge_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( c64_mach5 );
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// c64_mach5_cartridge_device - constructor
+//-------------------------------------------------
+
+c64_mach5_cartridge_device::c64_mach5_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, C64_MACH5, "C64 MACH5 cartridge", tag, owner, clock, "c64_mach5", __FILE__),
+ device_c64_expansion_card_interface(mconfig, *this),
+ m_s1(*this, "S1")
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void c64_mach5_cartridge_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void c64_mach5_cartridge_device::device_reset()
+{
+ m_c128 = m_s1->read();
+
+ if (!m_c128)
+ {
+ m_exrom = 0;
+ }
+}
+
+
+//-------------------------------------------------
+// c64_cd_r - cartridge data read
+//-------------------------------------------------
+
+UINT8 c64_mach5_cartridge_device::c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2)
+{
+ if (!roml || !romh || !io1 || !io2)
+ {
+ data = m_roml[offset & 0x1fff];
+ }
+
+ return data;
+}
+
+
+//-------------------------------------------------
+// c64_cd_w - cartridge data write
+//-------------------------------------------------
+
+void c64_mach5_cartridge_device::c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2)
+{
+ if (!m_c128)
+ {
+ if (!io1)
+ {
+ m_exrom = 0;
+ }
+ else if (!io2)
+ {
+ m_exrom = 1;
+ }
+ }
+}