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author | 2015-11-08 12:56:12 +0100 | |
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committer | 2015-11-08 12:56:12 +0100 | |
commit | 7c19aac60e12d6f5ea301bdb34d7826a01e0b06f (patch) | |
tree | f310d86aa2c6bfc19d115307dedde4eb0cd52dad /src/devices/bus/c64/mach5.cpp | |
parent | a57b46ae933badd7441ce1644711dbb851e2b504 (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.cpp | 118 |
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; + } + } +} |