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-rw-r--r--src/mame/machine/buggychl.cpp234
1 files changed, 0 insertions, 234 deletions
diff --git a/src/mame/machine/buggychl.cpp b/src/mame/machine/buggychl.cpp
deleted file mode 100644
index 843113992b5..00000000000
--- a/src/mame/machine/buggychl.cpp
+++ /dev/null
@@ -1,234 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Ernesto Corvi, Nicola Salmoria
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "machine/buggychl.h"
-
-
-const device_type BUGGYCHL_MCU = &device_creator<buggychl_mcu_device>;
-
-buggychl_mcu_device::buggychl_mcu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
- : device_t(mconfig, BUGGYCHL_MCU, "M68705 MCU Simulation (Buggy Challenge)", tag, owner, clock, "buggychl_mcu", __FILE__),
- m_port_a_in(0),
- m_port_a_out(0),
- m_ddr_a(0),
- m_port_b_in(0),
- m_port_b_out(0),
- m_ddr_b(0),
- m_port_c_in(0),
- m_port_c_out(0),
- m_ddr_c(0),
- m_from_main(0),
- m_from_mcu(0),
- m_mcu_sent(0),
- m_main_sent(0)
-{
-}
-
-//-------------------------------------------------
-// device_config_complete - perform any
-// operations now that the configuration is
-// complete
-//-------------------------------------------------
-
-void buggychl_mcu_device::device_config_complete()
-{
-}
-
-//-------------------------------------------------
-// device_start - device-specific startup
-//-------------------------------------------------
-
-void buggychl_mcu_device::device_start()
-{
- m_mcu = machine().device("mcu");
-
- save_item(NAME(m_from_main));
- save_item(NAME(m_from_mcu));
- save_item(NAME(m_mcu_sent));
- save_item(NAME(m_main_sent));
- save_item(NAME(m_port_a_in));
- save_item(NAME(m_port_a_out));
- save_item(NAME(m_ddr_a));
- save_item(NAME(m_port_b_in));
- save_item(NAME(m_port_b_out));
- save_item(NAME(m_ddr_b));
- save_item(NAME(m_port_c_in));
- save_item(NAME(m_port_c_out));
- save_item(NAME(m_ddr_c));
-}
-
-//-------------------------------------------------
-// device_reset - device-specific reset
-//-------------------------------------------------
-
-void buggychl_mcu_device::device_reset()
-{
- m_mcu_sent = 0;
- m_main_sent = 0;
- m_from_main = 0;
- m_from_mcu = 0;
- m_port_a_in = 0;
- m_port_a_out = 0;
- m_ddr_a = 0;
- m_port_b_in = 0;
- m_port_b_out = 0;
- m_ddr_b = 0;
- m_port_c_in = 0;
- m_port_c_out = 0;
- m_ddr_c = 0;
-}
-
-
-/***************************************************************************
-
- Buggy Challenge 68705 protection interface
-
- This is accurate. FairyLand Story seems to be identical.
-
-***************************************************************************/
-
-READ8_MEMBER( buggychl_mcu_device::buggychl_68705_port_a_r )
-{
- //logerror("%04x: 68705 port A read %02x\n", m_mcu->safe_pc(), m_port_a_in);
- return (m_port_a_out & m_ddr_a) | (m_port_a_in & ~m_ddr_a);
-}
-
-WRITE8_MEMBER( buggychl_mcu_device::buggychl_68705_port_a_w )
-{
- //logerror("%04x: 68705 port A write %02x\n", m_mcu->safe_pc(), data);
- m_port_a_out = data;
-}
-
-WRITE8_MEMBER( buggychl_mcu_device::buggychl_68705_ddr_a_w )
-{
- m_ddr_a = data;
-}
-
-
-
-/*
- * Port B connections:
- * parts in [ ] are optional (not used by buggychl)
- *
- * all bits are logical 1 when read (+5V pullup)
- *
- * 0 n.c.
- * 1 W IRQ ack and enable latch which holds data from main Z80 memory
- * 2 W loads latch to Z80
- * 3 W to Z80 BUSRQ (put it on hold?)
- * 4 W n.c.
- * 5 W [selects Z80 memory access direction (0 = write 1 = read)]
- * 6 W [loads the latch which holds the low 8 bits of the address of
- * the main Z80 memory location to access]
- * 7 W [loads the latch which holds the high 8 bits of the address of
- * the main Z80 memory location to access]
- */
-
-
-READ8_MEMBER( buggychl_mcu_device::buggychl_68705_port_b_r )
-{
- return (m_port_b_out & m_ddr_b) | (m_port_b_in & ~m_ddr_b);
-}
-
-WRITE8_MEMBER( buggychl_mcu_device::buggychl_68705_port_b_w )
-{
- logerror("%04x: 68705 port B write %02x\n", m_mcu->safe_pc(), data);
-
- if ((m_ddr_b & 0x02) && (~data & 0x02) && (m_port_b_out & 0x02))
- {
- m_port_a_in = m_from_main;
- if (m_main_sent)
- m_mcu->execute().set_input_line(0, CLEAR_LINE);
- m_main_sent = 0;
- logerror("read command %02x from main cpu\n", m_port_a_in);
- }
- if ((m_ddr_b & 0x04) && (data & 0x04) && (~m_port_b_out & 0x04))
- {
- logerror("send command %02x to main cpu\n", m_port_a_out);
- m_from_mcu = m_port_a_out;
- m_mcu_sent = 1;
- }
-
- m_port_b_out = data;
-}
-
-WRITE8_MEMBER( buggychl_mcu_device::buggychl_68705_ddr_b_w )
-{
- m_ddr_b = data;
-}
-
-
-/*
- * Port C connections:
- *
- * all bits are logical 1 when read (+5V pullup)
- *
- * 0 R 1 when pending command Z80->68705
- * 1 R 0 when pending command 68705->Z80
- */
-
-READ8_MEMBER( buggychl_mcu_device::buggychl_68705_port_c_r )
-{
- m_port_c_in = 0;
- if (m_main_sent)
- m_port_c_in |= 0x01;
- if (!m_mcu_sent)
- m_port_c_in |= 0x02;
- logerror("%04x: 68705 port C read %02x\n", m_mcu->safe_pc(), m_port_c_in);
- return (m_port_c_out & m_ddr_c) | (m_port_c_in & ~m_ddr_c);
-}
-
-WRITE8_MEMBER( buggychl_mcu_device::buggychl_68705_port_c_w )
-{
- logerror("%04x: 68705 port C write %02x\n", m_mcu->safe_pc(), data);
- m_port_c_out = data;
-}
-
-WRITE8_MEMBER( buggychl_mcu_device::buggychl_68705_ddr_c_w )
-{
- m_ddr_c = data;
-}
-
-
-WRITE8_MEMBER( buggychl_mcu_device::buggychl_mcu_w )
-{
- logerror("%04x: mcu_w %02x\n", m_mcu->safe_pc(), data);
- m_from_main = data;
- m_main_sent = 1;
- m_mcu->execute().set_input_line(0, ASSERT_LINE);
-}
-
-READ8_MEMBER( buggychl_mcu_device::buggychl_mcu_r )
-{
- logerror("%04x: mcu_r %02x\n", m_mcu->safe_pc(), m_from_mcu);
- m_mcu_sent = 0;
- return m_from_mcu;
-}
-
-READ8_MEMBER( buggychl_mcu_device::buggychl_mcu_status_r )
-{
- int res = 0;
-
- /* bit 0 = when 1, mcu is ready to receive data from main cpu */
- /* bit 1 = when 1, mcu has sent data to the main cpu */
- //logerror("%04x: mcu_status_r\n",m_mcu->safe_pc());
- if (!m_main_sent)
- res |= 0x01;
- if (m_mcu_sent)
- res |= 0x02;
-
- return res;
-}
-
-ADDRESS_MAP_START( buggychl_mcu_map, AS_PROGRAM, 8, buggychl_mcu_device )
- ADDRESS_MAP_GLOBAL_MASK(0x7ff)
- AM_RANGE(0x0000, 0x0000) AM_DEVREADWRITE("bmcu", buggychl_mcu_device, buggychl_68705_port_a_r, buggychl_68705_port_a_w)
- AM_RANGE(0x0001, 0x0001) AM_DEVREADWRITE("bmcu", buggychl_mcu_device, buggychl_68705_port_b_r, buggychl_68705_port_b_w)
- AM_RANGE(0x0002, 0x0002) AM_DEVREADWRITE("bmcu", buggychl_mcu_device, buggychl_68705_port_c_r, buggychl_68705_port_c_w)
- AM_RANGE(0x0004, 0x0004) AM_DEVWRITE("bmcu", buggychl_mcu_device, buggychl_68705_ddr_a_w)
- AM_RANGE(0x0005, 0x0005) AM_DEVWRITE("bmcu", buggychl_mcu_device, buggychl_68705_ddr_b_w)
- AM_RANGE(0x0006, 0x0006) AM_DEVWRITE("bmcu", buggychl_mcu_device, buggychl_68705_ddr_c_w)
- AM_RANGE(0x0010, 0x007f) AM_RAM
- AM_RANGE(0x0080, 0x07ff) AM_ROM
-ADDRESS_MAP_END