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author | 2013-10-22 15:44:27 +0000 | |
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committer | 2013-10-22 15:44:27 +0000 | |
commit | 0b91c21b366be4d0c1bcabdbe74e6b9d82a62271 (patch) | |
tree | 1804ed0b9de916825d5fc7e1387d33aac256f4c0 /src/emu/bus/vic20/vic1010.c | |
parent | 47c548e760b6c4447f7b15e7d403060d0051b994 (diff) |
(MESS) Moved a bunch of buses under emu/bus. (nw)
Diffstat (limited to 'src/emu/bus/vic20/vic1010.c')
-rw-r--r-- | src/emu/bus/vic20/vic1010.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/emu/bus/vic20/vic1010.c b/src/emu/bus/vic20/vic1010.c new file mode 100644 index 00000000000..4dc380d29ab --- /dev/null +++ b/src/emu/bus/vic20/vic1010.c @@ -0,0 +1,129 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + 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>; + + +//------------------------------------------------- +// MACHINE_DRIVER( vic1010 ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( vic1010 ) + MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot1") + MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot2") + MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot3") + MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot4") + MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot5") + MCFG_VIC20_PASSTHRU_EXPANSION_SLOT_ADD("slot6") +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, "vic1010", __FILE__), + device_vic20_expansion_card_interface(mconfig, *this), + m_slot1(*this, "slot1"), + m_slot2(*this, "slot2"), + m_slot3(*this, "slot3"), + m_slot4(*this, "slot4"), + m_slot5(*this, "slot5"), + m_slot6(*this, "slot6") +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void vic1010_device::device_start() +{ + // find devices + m_expansion_slot[0] = m_slot1; + m_expansion_slot[1] = m_slot2; + m_expansion_slot[2] = m_slot3; + m_expansion_slot[3] = m_slot4; + m_expansion_slot[4] = m_slot5; + m_expansion_slot[5] = m_slot6; +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void vic1010_device::device_reset() +{ + for (int i = 0; i < MAX_SLOTS; i++) + { + m_expansion_slot[i]->reset(); + } +} + + +//------------------------------------------------- +// vic20_cd_r - cartridge data read +//------------------------------------------------- + +UINT8 vic1010_device::vic20_cd_r(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++) + { + UINT8 slot_data = m_expansion_slot[i]->cd_r(space, offset, data, ram1, ram2, ram3, blk1, blk2, blk3, blk5, io2, io3); + + if (data != slot_data) + { + data = slot_data; + } + } + + 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); + } +} |