mirror of
https://github.com/holub/mame
synced 2025-06-04 11:56:28 +03:00
changed mn10200 fake i/o memmap to callbacks
This commit is contained in:
hap
parent
c325f48069
commit
c5891758cb
@ -35,28 +35,88 @@ enum mn10200_flag
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FLAG_D15 = 0x8000 // ?
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};
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const device_type MN1020012A = &device_creator<mn10200_device>;
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static ADDRESS_MAP_START( mn1020012_internal_map, AS_PROGRAM, 16, mn10200_device )
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const device_type MN1020012A = &device_creator<mn1020012a_device>;
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// internal memory maps
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static ADDRESS_MAP_START( mn1020012a_internal_map, AS_PROGRAM, 16, mn10200_device )
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AM_RANGE(0x00fc00, 0x00ffff) AM_READWRITE8(io_control_r, io_control_w, 0xffff)
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ADDRESS_MAP_END
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mn10200_device::mn10200_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: cpu_device(mconfig, MN1020012A, "MN1020012A", tag, owner, clock, "mn1020012a", __FILE__),
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m_program_config("program", ENDIANNESS_LITTLE, 16, 24, 0, ADDRESS_MAP_NAME(mn1020012_internal_map)),
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m_io_config("data", ENDIANNESS_LITTLE, 8, 8, 0)
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// device definitions
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mn1020012a_device::mn1020012a_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: mn10200_device(mconfig, MN1020012A, "MN1020012A", tag, owner, clock, ADDRESS_MAP_NAME(mn1020012a_internal_map), "mn1020012a", __FILE__)
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{ }
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// disasm
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void mn10200_device::state_string_export(const device_state_entry &entry, std::string &str)
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{
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switch (entry.index())
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{
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case STATE_GENFLAGS:
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strprintf(str, "S=%d irq=%s im=%d %c%c%c%c %c%c%c%c",
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(m_psw >> 12) & 3,
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m_psw & FLAG_IE ? "on " : "off",
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(m_psw >> 8) & 7,
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m_psw & FLAG_VX ? 'V' : '-',
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m_psw & FLAG_CX ? 'C' : '-',
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m_psw & FLAG_NX ? 'N' : '-',
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m_psw & FLAG_ZX ? 'Z' : '-',
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m_psw & FLAG_VF ? 'v' : '-',
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m_psw & FLAG_CF ? 'c' : '-',
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m_psw & FLAG_NF ? 'n' : '-',
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m_psw & FLAG_ZF ? 'z' : '-');
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break;
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}
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}
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offs_t mn10200_device::disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options)
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{
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extern CPU_DISASSEMBLE( mn10200 );
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return CPU_DISASSEMBLE_NAME(mn10200)(this, buffer, pc, oprom, opram, options);
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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enum
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{
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MN10200_PC = 0,
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MN10200_PSW,
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MN10200_MDR,
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MN10200_D0,
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MN10200_D1,
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MN10200_D2,
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MN10200_D3,
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MN10200_A0,
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MN10200_A1,
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MN10200_A2,
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MN10200_A3,
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MN10200_NMICR,
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MN10200_IAGR
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};
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void mn10200_device::device_start()
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{
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m_program = &space(AS_PROGRAM);
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m_io = &space(AS_IO);
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// resolve callbacks
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m_read_port0.resolve_safe(0xff);
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m_read_port1.resolve_safe(0xff);
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m_read_port2.resolve_safe(0xff);
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m_read_port3.resolve_safe(0xff);
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m_read_port4.resolve_safe(0xff);
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m_write_port0.resolve_safe();
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m_write_port1.resolve_safe();
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m_write_port2.resolve_safe();
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m_write_port3.resolve_safe();
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m_write_port4.resolve_safe();
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// init and register for savestates
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save_item(NAME(m_pc));
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@ -176,34 +236,6 @@ void mn10200_device::device_start()
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}
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void mn10200_device::state_string_export(const device_state_entry &entry, std::string &str)
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{
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switch (entry.index())
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{
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case STATE_GENFLAGS:
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strprintf(str, "S=%d irq=%s im=%d %c%c%c%c %c%c%c%c",
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(m_psw >> 12) & 3,
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m_psw & FLAG_IE ? "on " : "off",
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(m_psw >> 8) & 7,
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m_psw & FLAG_VX ? 'V' : '-',
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m_psw & FLAG_CX ? 'C' : '-',
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m_psw & FLAG_NX ? 'N' : '-',
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m_psw & FLAG_ZX ? 'Z' : '-',
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m_psw & FLAG_VF ? 'v' : '-',
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m_psw & FLAG_CF ? 'c' : '-',
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m_psw & FLAG_NF ? 'n' : '-',
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m_psw & FLAG_ZF ? 'z' : '-');
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break;
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}
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}
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offs_t mn10200_device::disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options)
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{
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extern CPU_DISASSEMBLE( mn10200 );
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return CPU_DISASSEMBLE_NAME(mn10200)(this, buffer, pc, oprom, opram, options);
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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@ -234,7 +266,10 @@ void mn10200_device::device_reset()
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}
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// interrupts
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//-------------------------------------------------
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// interrupts
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//-------------------------------------------------
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void mn10200_device::take_irq(int level, int group)
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{
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@ -332,7 +367,10 @@ void mn10200_device::execute_set_input(int irqnum, int state)
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}
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// 8-bit timers
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//-------------------------------------------------
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// timers
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//-------------------------------------------------
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int mn10200_device::timer_tick_simple(int tmr)
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{
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@ -405,7 +443,10 @@ TIMER_CALLBACK_MEMBER( mn10200_device::simple_timer_cb )
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}
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// opcode handlers
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//-------------------------------------------------
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// opcode helpers
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//-------------------------------------------------
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void mn10200_device::illegal(UINT8 prefix, UINT8 op)
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{
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@ -490,6 +531,10 @@ void mn10200_device::do_branch(int condition)
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//-------------------------------------------------
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// execute loop
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//-------------------------------------------------
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void mn10200_device::execute_run()
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{
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while (m_cycles > 0)
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@ -1645,7 +1690,10 @@ void mn10200_device::execute_run()
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}
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// internal i/o
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//-------------------------------------------------
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// internal i/o
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//-------------------------------------------------
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WRITE8_MEMBER(mn10200_device::io_control_w)
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{
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@ -2008,19 +2056,19 @@ WRITE8_MEMBER(mn10200_device::io_control_w)
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// outputs
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case 0x3c0:
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m_port[0].out = data;
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m_io->write_byte(MN10200_PORT0, m_port[0].out | (m_port[0].dir ^ 0xff));
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m_write_port0(MN10200_PORT0, m_port[0].out | (m_port[0].dir ^ 0xff), 0xff);
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break;
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case 0x264:
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m_port[1].out = data;
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m_io->write_byte(MN10200_PORT1, m_port[1].out | (m_port[1].dir ^ 0xff));
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m_write_port1(MN10200_PORT1, m_port[1].out | (m_port[1].dir ^ 0xff), 0xff);
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break;
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case 0x3c2:
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m_port[2].out = data & 0x0f;
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m_io->write_byte(MN10200_PORT2, m_port[2].out | (m_port[2].dir ^ 0x0f));
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m_write_port2(MN10200_PORT2, m_port[2].out | (m_port[2].dir ^ 0x0f), 0xff);
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break;
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case 0x3c3:
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m_port[3].out = data & 0x1f;
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m_io->write_byte(MN10200_PORT3, m_port[3].out | (m_port[3].dir ^ 0x1f));
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m_write_port3(MN10200_PORT3, m_port[3].out | (m_port[3].dir ^ 0x1f), 0xff);
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break;
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// directions (0=input, 1=output)
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@ -2050,7 +2098,6 @@ WRITE8_MEMBER(mn10200_device::io_control_w)
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}
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READ8_MEMBER(mn10200_device::io_control_r)
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{
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switch (offset)
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@ -2152,13 +2199,13 @@ READ8_MEMBER(mn10200_device::io_control_r)
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// inputs
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case 0x3d0:
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return m_io->read_byte(MN10200_PORT0) | m_port[0].dir;
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return m_read_port0(MN10200_PORT0, 0xff) | m_port[0].dir;
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case 0x3d1:
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return m_io->read_byte(MN10200_PORT1) | m_port[1].dir;
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return m_read_port1(MN10200_PORT1, 0xff) | m_port[1].dir;
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case 0x3d2:
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return (m_io->read_byte(MN10200_PORT2) & 0x0f) | m_port[2].dir;
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return (m_read_port2(MN10200_PORT2, 0xff) & 0x0f) | m_port[2].dir;
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case 0x3d3:
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return (m_io->read_byte(MN10200_PORT3) & 0x1f) | m_port[3].dir;
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return (m_read_port3(MN10200_PORT3, 0xff) & 0x1f) | m_port[3].dir;
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// directions (0=input, 1=output)
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case 0x3e0:
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@ -8,27 +8,14 @@
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*/
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#pragma once
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#ifndef MN10200_H
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#define MN10200_H
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enum
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{
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MN10200_PC = 0,
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MN10200_PSW,
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MN10200_MDR,
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MN10200_D0,
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MN10200_D1,
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MN10200_D2,
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MN10200_D3,
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MN10200_A0,
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MN10200_A1,
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MN10200_A2,
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MN10200_A3,
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MN10200_NMICR,
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MN10200_IAGR
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};
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// port setup
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#define MCFG_MN10200_READ_PORT_CB(X, _devcb) \
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mn10200_device::set_read_port##X##_callback(*device, DEVCB_##_devcb);
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#define MCFG_MN10200_WRITE_PORT_CB(X, _devcb) \
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mn10200_device::set_write_port##X##_callback(*device, DEVCB_##_devcb);
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enum
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{
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@ -50,9 +37,6 @@ enum
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};
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extern const device_type MN1020012A;
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#define MN10200_NUM_PRESCALERS (2)
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#define MN10200_NUM_TIMERS_8BIT (10)
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#define MN10200_NUM_IRQ_GROUPS (31)
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@ -62,7 +46,25 @@ class mn10200_device : public cpu_device
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{
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public:
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// construction/destruction
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mn10200_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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mn10200_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, address_map_constructor program, const char *shortname, const char *source)
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: cpu_device(mconfig, type, name, tag, owner, clock, shortname, source)
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, m_program_config("program", ENDIANNESS_LITTLE, 16, 24, 0, program)
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, m_read_port0(*this), m_read_port1(*this), m_read_port2(*this), m_read_port3(*this), m_read_port4(*this)
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, m_write_port0(*this), m_write_port1(*this), m_write_port2(*this), m_write_port3(*this), m_write_port4(*this)
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{ }
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// static configuration helpers
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template<class _Object> static devcb_base &set_read_port0_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_read_port0.set_callback(object); }
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template<class _Object> static devcb_base &set_read_port1_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_read_port1.set_callback(object); }
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template<class _Object> static devcb_base &set_read_port2_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_read_port2.set_callback(object); }
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template<class _Object> static devcb_base &set_read_port3_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_read_port3.set_callback(object); }
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template<class _Object> static devcb_base &set_read_port4_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_read_port4.set_callback(object); }
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template<class _Object> static devcb_base &set_write_port0_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_write_port0.set_callback(object); }
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template<class _Object> static devcb_base &set_write_port1_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_write_port1.set_callback(object); }
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template<class _Object> static devcb_base &set_write_port2_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_write_port2.set_callback(object); }
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template<class _Object> static devcb_base &set_write_port3_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_write_port3.set_callback(object); }
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template<class _Object> static devcb_base &set_write_port4_callback(device_t &device, _Object object) { return downcast<mn10200_device &>(device).m_write_port4.set_callback(object); }
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DECLARE_READ8_MEMBER(io_control_r);
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DECLARE_WRITE8_MEMBER(io_control_w);
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@ -82,10 +84,7 @@ protected:
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virtual void execute_set_input(int inputnum, int state);
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// device_memory_interface overrides
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virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const
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{
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return (spacenum == AS_PROGRAM) ? &m_program_config : ( (spacenum == AS_IO) ? &m_io_config : NULL );
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}
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virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const { return (spacenum == AS_PROGRAM) ? &m_program_config : NULL; }
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// device_state_interface overrides
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void state_string_export(const device_state_entry &entry, std::string &str);
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@ -97,10 +96,11 @@ protected:
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private:
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address_space_config m_program_config;
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address_space_config m_io_config;
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address_space *m_program;
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address_space *m_io;
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// i/o handlers
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devcb_read8 m_read_port0, m_read_port1, m_read_port2, m_read_port3, m_read_port4;
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devcb_write8 m_write_port0, m_write_port1, m_write_port2, m_write_port3, m_write_port4;
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int m_cycles;
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@ -112,6 +112,10 @@ private:
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UINT16 m_mdr;
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// interrupts
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void take_irq(int level, int group);
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void check_irq();
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void check_ext_irq();
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UINT8 m_icrl[MN10200_NUM_IRQ_GROUPS];
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UINT8 m_icrh[MN10200_NUM_IRQ_GROUPS];
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@ -122,6 +126,11 @@ private:
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bool m_possible_irq;
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// timers
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void refresh_timer(int tmr);
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void refresh_all_timers();
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int timer_tick_simple(int tmr);
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TIMER_CALLBACK_MEMBER( simple_timer_cb );
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attotime m_sysclock_base;
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emu_timer *m_timer_timers[MN10200_NUM_TIMERS_8BIT];
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@ -185,13 +194,7 @@ private:
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inline void change_pc(UINT32 pc) { m_pc = pc & 0xffffff; }
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void take_irq(int level, int group);
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void check_irq();
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void check_ext_irq();
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void refresh_timer(int tmr);
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void refresh_all_timers();
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int timer_tick_simple(int tmr);
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TIMER_CALLBACK_MEMBER( simple_timer_cb );
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// opcode helpers
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void illegal(UINT8 prefix, UINT8 op);
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UINT32 do_add(UINT32 a, UINT32 b, UINT32 c = 0);
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UINT32 do_sub(UINT32 a, UINT32 b, UINT32 c = 0);
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@ -201,4 +204,15 @@ private:
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};
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#endif
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class mn1020012a_device : public mn10200_device
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{
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public:
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mn1020012a_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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};
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extern const device_type MN1020012A;
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#endif // MN10200_H
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@ -114,11 +114,6 @@ ADDRESS_MAP_START( taitozoom_mn_map, AS_PROGRAM, 16, driver_device )
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AM_RANGE(0xe00000, 0xe000ff) AM_DEVREADWRITE8("taito_zoom", taito_zoom_device, shared_ram_r, shared_ram_w, 0xffff) // M66220FP for comms with maincpu
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( taitozoom_mn_io_map, AS_IO, 8, driver_device )
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ADDRESS_MAP_UNMAP_HIGH
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AM_RANGE(MN10200_PORT1, MN10200_PORT1) AM_DEVREADWRITE("taito_zoom", taito_zoom_device, tms_ctrl_r, tms_ctrl_w)
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ADDRESS_MAP_END
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/***************************************************************************
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|
||||
@ -178,8 +173,9 @@ MACHINE_CONFIG_FRAGMENT( taito_zoom_sound )
|
||||
/* basic machine hardware */
|
||||
MCFG_TAITO_ZOOM_ADD("taito_zoom")
|
||||
MCFG_CPU_ADD("mn10200", MN1020012A, XTAL_25MHz/2)
|
||||
MCFG_MN10200_READ_PORT_CB(0, DEVREAD8("taito_zoom", taito_zoom_device, tms_ctrl_r))
|
||||
MCFG_MN10200_WRITE_PORT_CB(0, DEVWRITE8("taito_zoom", taito_zoom_device, tms_ctrl_w))
|
||||
MCFG_CPU_PROGRAM_MAP(taitozoom_mn_map)
|
||||
MCFG_CPU_IO_MAP(taitozoom_mn_io_map)
|
||||
|
||||
MCFG_QUANTUM_TIME(attotime::from_hz(60000))
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user