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Diffstat (limited to 'src/devices/bus/bbc/rom/rtc.cpp')
-rw-r--r--src/devices/bus/bbc/rom/rtc.cpp124
1 files changed, 0 insertions, 124 deletions
diff --git a/src/devices/bus/bbc/rom/rtc.cpp b/src/devices/bus/bbc/rom/rtc.cpp
deleted file mode 100644
index 7d73c24b53e..00000000000
--- a/src/devices/bus/bbc/rom/rtc.cpp
+++ /dev/null
@@ -1,124 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Nigel Barnes
-/***************************************************************************
-
- Solidisk Real Time Clock
-
- http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Solidisk_RTC.html
-
- PMS Genie Watch (RTC for the BBC)
-
-***************************************************************************/
-
-#include "emu.h"
-#include "rtc.h"
-
-
-//**************************************************************************
-// DEVICE DEFINITIONS
-//**************************************************************************
-
-DEFINE_DEVICE_TYPE(BBC_STLRTC, bbc_stlrtc_device, "bbc_stlrtc", "Solidisk Real Time Clock")
-DEFINE_DEVICE_TYPE(BBC_PMSRTC, bbc_pmsrtc_device, "bbc_pmsrtc", "PMS Genie Real Time Clock")
-
-
-//-------------------------------------------------
-// device_add_mconfig - add device configuration
-//-------------------------------------------------
-
-void bbc_stlrtc_device::device_add_mconfig(machine_config &config)
-{
- MC146818(config, m_rtc, 32.768_kHz_XTAL); // TODO: verify clock
-}
-
-void bbc_pmsrtc_device::device_add_mconfig(machine_config &config)
-{
- /* Dallas DS1216 SmartWatch RAM */
- DS1315(config, m_rtc, 0);
-}
-
-//**************************************************************************
-// LIVE DEVICE
-//**************************************************************************
-
-//-------------------------------------------------
-// bbc_stlrtc_device - constructor
-//-------------------------------------------------
-
-bbc_stlrtc_device::bbc_stlrtc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, BBC_STLRTC, tag, owner, clock)
- , device_bbc_rom_interface(mconfig, *this)
- , m_rtc(*this, "rtc")
-{
-}
-
-bbc_pmsrtc_device::bbc_pmsrtc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, BBC_PMSRTC, tag, owner, clock)
- , device_bbc_rom_interface(mconfig, *this)
- , m_rtc(*this, "rtc")
-{
-}
-
-//-------------------------------------------------
-// device_start - device-specific startup
-//-------------------------------------------------
-
-void bbc_stlrtc_device::device_start()
-{
-}
-
-void bbc_pmsrtc_device::device_start()
-{
-}
-
-//-------------------------------------------------
-// read
-//-------------------------------------------------
-
-uint8_t bbc_stlrtc_device::read(offs_t offset)
-{
- uint8_t data = get_rom_base()[offset & 0x3fff];
-
- switch (offset & 0x3fc0)
- {
- case 0x3e00:
- data = m_rtc->read(1);
- break;
- case 0x3e40:
- if (!machine().side_effects_disabled())
- m_rtc->write(0, data);
- break;
- case 0x3e80:
- case 0x3ec0:
- data = m_rtc->read(0);
- break;
- case 0x3f00:
- case 0x3f40:
- case 0x3f80:
- case 0x3fc0:
- if (!machine().side_effects_disabled())
- m_rtc->write(1, data);
- break;
- }
- return data;
-}
-
-uint8_t bbc_pmsrtc_device::read(offs_t offset)
-{
- uint8_t data = get_rom_base()[offset & 0x1fff];
-
- switch (offset)
- {
- case 0x00:
- data |= m_rtc->read_0();
- break;
- case 0x01:
- data |= m_rtc->read_1();
- break;
- case 0x04:
- if (m_rtc->chip_enable())
- data = m_rtc->read_data() & 0x01;
- break;
- }
- return data;
-}