diff options
Diffstat (limited to 'src/devices/bus/tiki100/hdc.cpp')
-rw-r--r-- | src/devices/bus/tiki100/hdc.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/devices/bus/tiki100/hdc.cpp b/src/devices/bus/tiki100/hdc.cpp new file mode 100644 index 00000000000..504222f0f48 --- /dev/null +++ b/src/devices/bus/tiki100/hdc.cpp @@ -0,0 +1,118 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + TIKI-100 Winchester controller card emulation + +**********************************************************************/ + +#include "hdc.h" + + + +//************************************************************************** +// MACROS/CONSTANTS +//************************************************************************** + +#define WD1010_TAG "hdc" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type TIKI100_HDC = &device_creator<tiki100_hdc_t>; + + +//------------------------------------------------- +// MACHINE_CONFIG_FRAGMENT( tiki100_hdc ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( tiki100_hdc ) + MCFG_DEVICE_ADD(WD1010_TAG, WD2010, 5000000) + //MCFG_WD2010_OUT_INTRQ_CB() + MCFG_WD2010_IN_DRDY_CB(VCC) + MCFG_WD2010_IN_INDEX_CB(VCC) + MCFG_WD2010_IN_WF_CB(VCC) + MCFG_WD2010_IN_TK000_CB(VCC) + MCFG_WD2010_IN_SC_CB(VCC) + + MCFG_HARDDISK_ADD("hard0") + MCFG_HARDDISK_ADD("hard1") +MACHINE_CONFIG_END + + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor tiki100_hdc_t::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( tiki100_hdc ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// tiki100_hdc_t - constructor +//------------------------------------------------- + +tiki100_hdc_t::tiki100_hdc_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, TIKI100_HDC, "TIKI-100 Winchester controller", tag, owner, clock, "tiki100_hdc", __FILE__), + device_tiki100bus_card_interface(mconfig, *this), + m_hdc(*this, WD1010_TAG) +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void tiki100_hdc_t::device_start() +{ +} + + +//------------------------------------------------- +// device_reset - device-specific reset +//------------------------------------------------- + +void tiki100_hdc_t::device_reset() +{ + m_hdc->reset(); +} + + +//------------------------------------------------- +// tiki100bus_iorq_r - I/O read +//------------------------------------------------- + +UINT8 tiki100_hdc_t::iorq_r(address_space &space, offs_t offset, UINT8 data) +{ + if ((offset & 0xf8) == 0x20) + { + data = m_hdc->read(space, offset & 0x07); + } + + return data; +} + + +//------------------------------------------------- +// tiki100bus_iorq_w - I/O write +//------------------------------------------------- + +void tiki100_hdc_t::iorq_w(address_space &space, offs_t offset, UINT8 data) +{ + if ((offset & 0xf8) == 0x20) + { + m_hdc->write(space, offset, data); + } +} |