mirror of
https://github.com/holub/mame
synced 2025-10-05 08:41:31 +03:00
(MESS) Rewrote the MOS6532 RIOT. [Curt Coder]
This commit is contained in:
Curt Coder
parent
ca20ed2004
commit
029e9a4d33
@ -3,6 +3,7 @@
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/**********************************************************************
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MOS Technology 6530 Memory, I/O, Timer Array emulation
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MOS Technology 6532 RAM, I/O, Timer Array emulation
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**********************************************************************/
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@ -24,6 +25,7 @@
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//**************************************************************************
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const device_type MOS6530n = &device_creator<mos6530_t>;
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const device_type MOS6532n = &device_creator<mos6532_t>;
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DEVICE_ADDRESS_MAP_START( rom_map, 8, mos6530_t )
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@ -43,17 +45,31 @@ DEVICE_ADDRESS_MAP_START( io_map, 8, mos6530_t )
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AM_RANGE(0x04, 0x0f) AM_WRITE(timer_w)
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ADDRESS_MAP_END
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DEVICE_ADDRESS_MAP_START( ram_map, 8, mos6532_t )
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AM_RANGE(0x00, 0x7f) AM_READWRITE(ram_r, ram_w)
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ADDRESS_MAP_END
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DEVICE_ADDRESS_MAP_START( io_map, 8, mos6532_t )
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AM_RANGE(0x00, 0x00) AM_READWRITE(pa_data_r, pa_data_w)
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AM_RANGE(0x01, 0x01) AM_READWRITE(pa_ddr_r, pa_ddr_w)
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AM_RANGE(0x02, 0x02) AM_READWRITE(pb_data_r, pb_data_w)
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AM_RANGE(0x03, 0x03) AM_READWRITE(pb_ddr_r, pb_ddr_w)
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AM_RANGE(0x04, 0x0f) AM_READ(timer_r)
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AM_RANGE(0x04, 0x07) AM_WRITE(edge_w)
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AM_RANGE(0x14, 0x1f) AM_WRITE(timer_w)
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ADDRESS_MAP_END
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// mos6530_t - constructor
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// mos6530_base_t - constructor
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//-------------------------------------------------
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mos6530_t::mos6530_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
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device_t(mconfig, MOS6530n, "MOS6530n", tag, owner, clock, "mos6530n", __FILE__),
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mos6530_base_t::mos6530_base_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) :
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device_t(mconfig, type, name, tag, owner, clock, shortname, source),
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m_ram(*this),
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m_irq_cb(*this),
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m_in_pa_cb(*this),
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@ -93,7 +109,9 @@ mos6530_t::mos6530_t(const machine_config &mconfig, const char *tag, device_t *o
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m_out_pb6_cb(*this),
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m_out_pb7_cb(*this),
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m_pa_in(0xff),
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m_pb_in(0xff)
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m_pb_in(0xff),
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m_ie_timer(false),
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m_ie_edge(false)
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{
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cur_live.tm = attotime::never;
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cur_live.state = IDLE;
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@ -101,11 +119,27 @@ mos6530_t::mos6530_t(const machine_config &mconfig, const char *tag, device_t *o
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}
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//-------------------------------------------------
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// mos6530_t - constructor
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//-------------------------------------------------
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mos6530_t::mos6530_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: mos6530_base_t(mconfig, MOS6530n, "MOS6530n", tag, owner, clock, "mos6530n", __FILE__) { }
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//-------------------------------------------------
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// mos6532_t - constructor
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//-------------------------------------------------
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mos6532_t::mos6532_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
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: mos6530_base_t(mconfig, MOS6532n, "MOS6532n", tag, owner, clock, "mos6532n", __FILE__) { }
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void mos6530_t::device_start()
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void mos6530_base_t::device_start()
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{
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// resolve callbacks
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m_irq_cb.resolve_safe();
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@ -149,19 +183,49 @@ void mos6530_t::device_start()
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// allocate timer
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t_gen = timer_alloc(0);
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// state saving
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save_item(NAME(m_pa_in));
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save_item(NAME(m_pa_out));
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save_item(NAME(m_pa_ddr));
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save_item(NAME(m_pb_in));
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save_item(NAME(m_pb_out));
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save_item(NAME(m_pb_ddr));
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save_item(NAME(m_ie_timer));
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save_item(NAME(m_irq_timer));
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save_item(NAME(m_ie_edge));
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save_item(NAME(m_irq_edge));
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save_item(NAME(m_positive));
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save_item(NAME(m_shift));
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save_item(NAME(m_timer));
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}
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void mos6530_t::device_start()
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{
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mos6530_base_t::device_start();
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// allocate RAM
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m_ram.allocate(0x40);
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}
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void mos6532_t::device_start()
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{
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mos6530_base_t::device_start();
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// allocate RAM
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m_ram.allocate(0x80);
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}
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//-------------------------------------------------
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// device_reset - device-specific reset
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//-------------------------------------------------
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void mos6530_t::device_reset()
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void mos6530_base_t::device_reset()
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{
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m_ie = false;
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m_irq = true;
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m_ie_timer = false;
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m_irq_timer = true;
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m_ie_edge = false;
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m_irq_edge = true;
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m_pa_out = 0;
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m_pa_ddr = 0;
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@ -179,7 +243,7 @@ void mos6530_t::device_reset()
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// device_timer - handler timer events
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//-------------------------------------------------
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void mos6530_t::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
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void mos6530_base_t::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
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{
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live_sync();
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live_run();
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@ -190,7 +254,7 @@ void mos6530_t::device_timer(emu_timer &timer, device_timer_id id, int param, vo
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// update_pa -
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//-------------------------------------------------
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void mos6530_t::update_pa()
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void mos6530_base_t::update_pa()
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{
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UINT8 out = m_pa_out;
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UINT8 ddr = m_pa_ddr;
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@ -218,21 +282,42 @@ void mos6530_t::update_pa()
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// update_pb -
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//-------------------------------------------------
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void mos6530_base_t::update_pb()
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{
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UINT8 out = m_pb_out;
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UINT8 ddr = m_pb_ddr;
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UINT8 data = (out & ddr) | (ddr ^ 0xff);
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if (m_out_pb_cb.isnull())
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{
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m_out_pb0_cb(BIT(data, 0));
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m_out_pb1_cb(BIT(data, 1));
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m_out_pb2_cb(BIT(data, 2));
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m_out_pb3_cb(BIT(data, 3));
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m_out_pb4_cb(BIT(data, 4));
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m_out_pb5_cb(BIT(data, 5));
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m_out_pb6_cb(BIT(data, 6));
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m_out_pb7_cb(BIT(data, 7));
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}
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else
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{
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m_out_pb_cb(data);
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}
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}
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void mos6530_t::update_pb()
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{
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UINT8 out = m_pb_out;
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UINT8 ddr = m_pb_ddr;
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UINT8 data = (out & ddr) | (ddr ^ 0xff);
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if (m_ie)
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if (m_ie_timer)
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{
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if (m_irq) {
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if (m_irq_timer) {
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data |= IRQ_TIMER;
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} else {
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data &= ~IRQ_TIMER;
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}
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m_irq_cb(m_irq ? ASSERT_LINE : CLEAR_LINE);
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}
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if (m_out_pb_cb.isnull())
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@ -253,11 +338,31 @@ void mos6530_t::update_pb()
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}
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//-------------------------------------------------
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// update_irq -
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//-------------------------------------------------
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void mos6530_base_t::update_irq()
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{
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int state = CLEAR_LINE;
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if (m_ie_timer && m_irq_timer) state = ASSERT_LINE;
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if (m_ie_edge && m_irq_edge) state = ASSERT_LINE;
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m_irq_cb(state);
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}
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void mos6530_t::update_irq()
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{
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update_pb();
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}
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//-------------------------------------------------
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// pa_w -
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//-------------------------------------------------
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void mos6530_t::pa_w(int bit, int state)
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void mos6530_base_t::pa_w(int bit, int state)
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{
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if (LOG) logerror("%s %s MOS6530 '%s' Port A Data Bit %u State %u\n", machine().time().as_string(), machine().describe_context(), tag(), bit, state);
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@ -270,7 +375,7 @@ void mos6530_t::pa_w(int bit, int state)
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// pb_w -
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//-------------------------------------------------
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void mos6530_t::pb_w(int bit, int state)
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void mos6530_base_t::pb_w(int bit, int state)
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{
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if (LOG) logerror("%s %s MOS6530 '%s' Port B Data Bit %u State %u\n", machine().time().as_string(), machine().describe_context(), tag(), bit, state);
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@ -283,7 +388,7 @@ void mos6530_t::pb_w(int bit, int state)
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// pa_data_r -
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//-------------------------------------------------
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READ8_MEMBER( mos6530_t::pa_data_r )
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READ8_MEMBER( mos6530_base_t::pa_data_r )
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{
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UINT8 in = 0;
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@ -318,7 +423,7 @@ READ8_MEMBER( mos6530_t::pa_data_r )
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// pa_data_w -
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//-------------------------------------------------
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WRITE8_MEMBER( mos6530_t::pa_data_w )
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WRITE8_MEMBER( mos6530_base_t::pa_data_w )
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{
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m_pa_out = data;
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@ -332,7 +437,7 @@ WRITE8_MEMBER( mos6530_t::pa_data_w )
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// pa_ddr_w -
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//-------------------------------------------------
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WRITE8_MEMBER( mos6530_t::pa_ddr_w )
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WRITE8_MEMBER( mos6530_base_t::pa_ddr_w )
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{
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m_pa_ddr = data;
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@ -346,7 +451,7 @@ WRITE8_MEMBER( mos6530_t::pa_ddr_w )
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// pb_data_r -
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//-------------------------------------------------
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READ8_MEMBER( mos6530_t::pb_data_r )
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READ8_MEMBER( mos6530_base_t::pb_data_r )
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{
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UINT8 in = 0;
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@ -381,7 +486,7 @@ READ8_MEMBER( mos6530_t::pb_data_r )
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// pb_data_w -
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//-------------------------------------------------
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WRITE8_MEMBER( mos6530_t::pb_data_w )
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WRITE8_MEMBER( mos6530_base_t::pb_data_w )
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{
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m_pb_out = data;
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@ -395,7 +500,7 @@ WRITE8_MEMBER( mos6530_t::pb_data_w )
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// pb_ddr_w -
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//-------------------------------------------------
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WRITE8_MEMBER( mos6530_t::pb_ddr_w )
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WRITE8_MEMBER( mos6530_base_t::pb_ddr_w )
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{
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m_pb_ddr = data;
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@ -409,7 +514,7 @@ WRITE8_MEMBER( mos6530_t::pb_ddr_w )
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// timer_r -
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//-------------------------------------------------
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READ8_MEMBER( mos6530_t::timer_r )
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READ8_MEMBER( mos6530_base_t::timer_r )
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{
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UINT8 data = 0;
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@ -418,7 +523,8 @@ READ8_MEMBER( mos6530_t::timer_r )
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if (offset & 0x01)
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{
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data = m_irq ? 0x80 : 0x00;
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if (m_irq_timer) data |= IRQ_TIMER;
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if (m_irq_edge) data |= IRQ_EDGE;
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}
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else
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{
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@ -429,12 +535,23 @@ READ8_MEMBER( mos6530_t::timer_r )
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checkpoint();
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live_run();
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m_ie = BIT(offset, 3) ? true : false;
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m_ie_timer = BIT(offset, 3) ? true : false;
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}
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if (m_irq) {
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m_irq = false;
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update_pb();
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bool irq_dirty = false;
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if (m_irq_timer) {
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m_irq_timer = false;
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irq_dirty = true;
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}
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if (m_irq_edge) {
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m_irq_edge = false;
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irq_dirty = true;
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}
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if (irq_dirty) {
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update_irq();
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}
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return data;
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@ -445,7 +562,7 @@ READ8_MEMBER( mos6530_t::timer_r )
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// timer_w -
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//-------------------------------------------------
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WRITE8_MEMBER( mos6530_t::timer_w )
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WRITE8_MEMBER( mos6530_base_t::timer_w )
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{
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live_sync();
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@ -458,13 +575,13 @@ WRITE8_MEMBER( mos6530_t::timer_w )
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case 3: m_shift = 1024; break;
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}
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m_ie = BIT(offset, 3) ? true : false;
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m_ie_timer = BIT(offset, 3) ? true : false;
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if (LOG_TIMER) logerror("%s %s MOS6530 '%s' Timer value %02x shift %u IE %u\n", machine().time().as_string(), machine().describe_context(), tag(), data, m_shift, m_ie ? 1 : 0);
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if (LOG_TIMER) logerror("%s %s MOS6530 '%s' Timer value %02x shift %u IE %u\n", machine().time().as_string(), machine().describe_context(), tag(), data, m_shift, m_ie_timer ? 1 : 0);
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if (m_irq) {
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m_irq = false;
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update_pb();
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if (m_irq_timer) {
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m_irq_timer = false;
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update_irq();
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}
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checkpoint();
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@ -478,11 +595,46 @@ WRITE8_MEMBER( mos6530_t::timer_w )
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}
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//-------------------------------------------------
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// edge_w -
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//-------------------------------------------------
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WRITE8_MEMBER( mos6530_base_t::edge_w )
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{
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m_positive = BIT(data, 0) ? true : false;
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m_ie_edge = BIT(data, 1) ? true : false;
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if (LOG) logerror("%s %s MOS6530 '%s' %s edge-detect, %s interrupt\n", machine().time().as_string(), machine().describe_context(), tag(), m_positive ? "positive" : "negative", m_ie_edge ? "enable" : "disable");
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}
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//-------------------------------------------------
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// pa7_w -
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//-------------------------------------------------
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WRITE_LINE_MEMBER( mos6532_t::pa7_w )
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{
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if (!m_irq_edge)
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{
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int old = BIT(m_pa_in, 7);
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if (m_positive && !old && state) m_irq_edge = true;
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if (!m_positive && old && !state) m_irq_edge = true;
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if (m_irq_edge) {
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update_irq();
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}
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}
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mos6530_base_t::pa7_w(state);
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}
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//-------------------------------------------------
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// live_start -
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//-------------------------------------------------
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void mos6530_t::live_start()
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void mos6530_base_t::live_start()
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{
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cur_live.period = attotime::from_hz(clock() / m_shift);
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cur_live.tm = machine().time() + cur_live.period;
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@ -497,17 +649,17 @@ void mos6530_t::live_start()
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live_run();
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}
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void mos6530_t::checkpoint()
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void mos6530_base_t::checkpoint()
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{
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checkpoint_live = cur_live;
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}
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void mos6530_t::rollback()
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void mos6530_base_t::rollback()
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{
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cur_live = checkpoint_live;
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}
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void mos6530_t::live_delay(int state)
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void mos6530_base_t::live_delay(int state)
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{
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cur_live.next_state = state;
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if(cur_live.tm != machine().time())
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@ -516,7 +668,7 @@ void mos6530_t::live_delay(int state)
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live_sync();
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}
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void mos6530_t::live_sync()
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void mos6530_base_t::live_sync()
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{
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if(!cur_live.tm.is_never()) {
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if(cur_live.tm > machine().time()) {
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@ -536,7 +688,7 @@ void mos6530_t::live_sync()
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}
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}
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void mos6530_t::live_abort()
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void mos6530_base_t::live_abort()
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{
|
||||
if(!cur_live.tm.is_never() && cur_live.tm > machine().time()) {
|
||||
rollback();
|
||||
@ -550,7 +702,7 @@ void mos6530_t::live_abort()
|
||||
cur_live.irq = false;
|
||||
}
|
||||
|
||||
void mos6530_t::live_run(const attotime &limit)
|
||||
void mos6530_base_t::live_run(const attotime &limit)
|
||||
{
|
||||
if(cur_live.state == IDLE || cur_live.next_state != -1)
|
||||
return;
|
||||
@ -592,8 +744,8 @@ void mos6530_t::live_run(const attotime &limit)
|
||||
case RUNNING_SYNCPOINT: {
|
||||
if (LOG_TIMER) logerror("%s MOS6530 '%s' IRQ\n", machine().time().as_string(), tag());
|
||||
|
||||
m_irq = true;
|
||||
update_pb();
|
||||
m_irq_timer = true;
|
||||
update_irq();
|
||||
|
||||
cur_live.state = RUNNING_AFTER_INTERRUPT;
|
||||
checkpoint();
|
||||
|
||||
@ -3,6 +3,7 @@
|
||||
/**********************************************************************
|
||||
|
||||
MOS Technology 6530 Memory, I/O, Timer Array emulation
|
||||
MOS Technology 6532 RAM, I/O, Timer Array emulation
|
||||
|
||||
**********************************************************************
|
||||
_____ _____
|
||||
@ -27,6 +28,28 @@
|
||||
CS2/PB5 19 | | 22 PB3
|
||||
Vcc 20 |_____________| 21 PB4
|
||||
|
||||
_____ _____
|
||||
Vss 1 |* \_/ | 40 A6
|
||||
A5 2 | | 39 phi2
|
||||
A4 3 | | 38 CS1
|
||||
A3 4 | | 37 _CS2
|
||||
A2 5 | | 36 _RS
|
||||
A1 6 | | 35 R/W
|
||||
A0 7 | | 34 _RES
|
||||
PA0 8 | | 33 D0
|
||||
PA1 9 | | 32 D1
|
||||
PA2 10 | MCS6532 | 31 D2
|
||||
PA3 11 | | 30 D3
|
||||
PA4 12 | | 29 D4
|
||||
PA5 13 | | 28 D5
|
||||
PA6 14 | | 27 D6
|
||||
PA7 15 | | 26 D7
|
||||
PB7 16 | | 25 _IRQ
|
||||
PB6 17 | | 24 PB0
|
||||
PB5 18 | | 23 PB1
|
||||
PB4 19 | | 22 PB2
|
||||
Vcc 20 |_____________| 21 PB3
|
||||
|
||||
**********************************************************************/
|
||||
|
||||
#pragma once
|
||||
@ -43,115 +66,115 @@
|
||||
//**************************************************************************
|
||||
|
||||
#define MCFG_MOS6530n_IRQ_CB(_write) \
|
||||
devcb = &mos6530_t::set_irq_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_irq_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PA_CB(_read) \
|
||||
devcb = &mos6530_t::set_pa_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pa_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PA_CB(_write) \
|
||||
devcb = &mos6530_t::set_pa_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pa_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PB_CB(_read) \
|
||||
devcb = &mos6530_t::set_pb_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pb_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PB_CB(_write) \
|
||||
devcb = &mos6530_t::set_pb_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pb_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PA0_CB(_read) \
|
||||
devcb = &mos6530_t::set_pa0_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pa0_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PA1_CB(_read) \
|
||||
devcb = &mos6530_t::set_pa1_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pa1_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PA2_CB(_read) \
|
||||
devcb = &mos6530_t::set_pa2_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pa2_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PA3_CB(_read) \
|
||||
devcb = &mos6530_t::set_pa3_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pa3_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PA4_CB(_read) \
|
||||
devcb = &mos6530_t::set_pa4_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pa4_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PA5_CB(_read) \
|
||||
devcb = &mos6530_t::set_pa5_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pa5_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PA6_CB(_read) \
|
||||
devcb = &mos6530_t::set_pa6_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pa6_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PA7_CB(_read) \
|
||||
devcb = &mos6530_t::set_pa7_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pa7_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PA0_CB(_write) \
|
||||
devcb = &mos6530_t::set_pa0_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pa0_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PA1_CB(_write) \
|
||||
devcb = &mos6530_t::set_pa1_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pa1_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PA2_CB(_write) \
|
||||
devcb = &mos6530_t::set_pa2_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pa2_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PA3_CB(_write) \
|
||||
devcb = &mos6530_t::set_pa3_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pa3_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PA4_CB(_write) \
|
||||
devcb = &mos6530_t::set_pa4_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pa4_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PA5_CB(_write) \
|
||||
devcb = &mos6530_t::set_pa5_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pa5_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PA6_CB(_write) \
|
||||
devcb = &mos6530_t::set_pa6_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pa6_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PA7_CB(_write) \
|
||||
devcb = &mos6530_t::set_pa7_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pa7_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PB0_CB(_read) \
|
||||
devcb = &mos6530_t::set_pb0_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pb0_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PB1_CB(_read) \
|
||||
devcb = &mos6530_t::set_pb1_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pb1_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PB2_CB(_read) \
|
||||
devcb = &mos6530_t::set_pb2_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pb2_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PB3_CB(_read) \
|
||||
devcb = &mos6530_t::set_pb3_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pb3_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PB4_CB(_read) \
|
||||
devcb = &mos6530_t::set_pb4_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pb4_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PB5_CB(_read) \
|
||||
devcb = &mos6530_t::set_pb5_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pb5_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PB6_CB(_read) \
|
||||
devcb = &mos6530_t::set_pb6_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pb6_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_IN_PB7_CB(_read) \
|
||||
devcb = &mos6530_t::set_pb7_rd_callback(*device, DEVCB_##_read);
|
||||
devcb = &mos6530_base_t::set_pb7_rd_callback(*device, DEVCB_##_read);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PB0_CB(_write) \
|
||||
devcb = &mos6530_t::set_pb0_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pb0_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PB1_CB(_write) \
|
||||
devcb = &mos6530_t::set_pb1_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pb1_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PB2_CB(_write) \
|
||||
devcb = &mos6530_t::set_pb2_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pb2_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PB3_CB(_write) \
|
||||
devcb = &mos6530_t::set_pb3_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pb3_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PB4_CB(_write) \
|
||||
devcb = &mos6530_t::set_pb4_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pb4_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PB5_CB(_write) \
|
||||
devcb = &mos6530_t::set_pb5_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pb5_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PB6_CB(_write) \
|
||||
devcb = &mos6530_t::set_pb6_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pb6_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
#define MCFG_MOS6530n_OUT_PB7_CB(_write) \
|
||||
devcb = &mos6530_t::set_pb7_wr_callback(*device, DEVCB_##_write);
|
||||
devcb = &mos6530_base_t::set_pb7_wr_callback(*device, DEVCB_##_write);
|
||||
|
||||
|
||||
|
||||
@ -159,55 +182,51 @@
|
||||
// TYPE DEFINITIONS
|
||||
//**************************************************************************
|
||||
|
||||
// ======================> mos6530_t
|
||||
// ======================> mos6530_base_t
|
||||
|
||||
class mos6530_t : public device_t
|
||||
class mos6530_base_t : public device_t
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
mos6530_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
mos6530_base_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
|
||||
|
||||
template<class _Object> static devcb_base &set_irq_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_irq_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pa_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pa_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pb_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pb_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa0_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pa0_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa1_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pa1_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa2_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pa2_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa3_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pa3_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa4_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pa4_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa5_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pa5_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa6_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pa6_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa7_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pa7_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa0_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pa0_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa1_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pa1_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa2_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pa2_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa3_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pa3_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa4_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pa4_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa5_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pa5_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa6_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pa6_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa7_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pa7_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb0_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pb0_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb1_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pb1_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb2_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pb2_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb3_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pb3_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb4_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pb4_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb5_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pb5_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb6_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pb6_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb7_rd_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_in_pb7_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb0_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pb0_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb1_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pb1_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb2_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pb2_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb3_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pb3_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb4_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pb4_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb5_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pb5_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb6_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pb6_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb7_wr_callback(device_t &device, _Object object) { return downcast<mos6530_t &>(device).m_out_pb7_cb.set_callback(object); }
|
||||
|
||||
virtual DECLARE_ADDRESS_MAP(rom_map, 8);
|
||||
virtual DECLARE_ADDRESS_MAP(ram_map, 8);
|
||||
virtual DECLARE_ADDRESS_MAP(io_map, 8);
|
||||
template<class _Object> static devcb_base &set_irq_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_irq_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pa_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pa_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pb_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pb_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa0_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pa0_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa1_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pa1_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa2_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pa2_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa3_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pa3_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa4_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pa4_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa5_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pa5_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa6_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pa6_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa7_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pa7_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa0_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pa0_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa1_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pa1_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa2_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pa2_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa3_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pa3_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa4_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pa4_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa5_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pa5_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa6_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pa6_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pa7_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pa7_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb0_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pb0_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb1_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pb1_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb2_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pb2_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb3_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pb3_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb4_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pb4_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb5_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pb5_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb6_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pb6_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb7_rd_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_in_pb7_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb0_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pb0_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb1_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pb1_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb2_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pb2_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb3_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pb3_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb4_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pb4_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb5_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pb5_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb6_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pb6_cb.set_callback(object); }
|
||||
template<class _Object> static devcb_base &set_pb7_wr_callback(device_t &device, _Object object) { return downcast<mos6530_base_t &>(device).m_out_pb7_cb.set_callback(object); }
|
||||
|
||||
DECLARE_WRITE_LINE_MEMBER( pa0_w ) { pa_w(0, state); }
|
||||
DECLARE_WRITE_LINE_MEMBER( pa1_w ) { pa_w(1, state); }
|
||||
@ -235,11 +254,13 @@ protected:
|
||||
|
||||
enum
|
||||
{
|
||||
IRQ_EDGE = 0x40,
|
||||
IRQ_TIMER = 0x80
|
||||
};
|
||||
|
||||
void update_pa();
|
||||
void update_pb();
|
||||
virtual void update_pb();
|
||||
virtual void update_irq();
|
||||
void pa_w(int bit, int state);
|
||||
void pb_w(int bit, int state);
|
||||
|
||||
@ -254,9 +275,9 @@ protected:
|
||||
DECLARE_WRITE8_MEMBER( pa_ddr_w );
|
||||
DECLARE_READ8_MEMBER( pb_ddr_r ) { return m_pb_ddr; }
|
||||
DECLARE_WRITE8_MEMBER( pb_ddr_w );
|
||||
DECLARE_READ8_MEMBER( irq_r ) { return m_irq ? 0x80 : 0x00; }
|
||||
DECLARE_READ8_MEMBER( timer_r );
|
||||
DECLARE_WRITE8_MEMBER( timer_w );
|
||||
DECLARE_WRITE8_MEMBER( edge_w );
|
||||
|
||||
optional_shared_ptr<UINT8> m_ram;
|
||||
|
||||
@ -306,8 +327,12 @@ protected:
|
||||
UINT8 m_pb_out;
|
||||
UINT8 m_pb_ddr;
|
||||
|
||||
bool m_ie;
|
||||
bool m_irq;
|
||||
bool m_ie_timer;
|
||||
bool m_irq_timer;
|
||||
|
||||
bool m_ie_edge;
|
||||
bool m_irq_edge;
|
||||
bool m_positive;
|
||||
|
||||
int m_shift;
|
||||
UINT8 m_timer;
|
||||
@ -341,8 +366,45 @@ protected:
|
||||
};
|
||||
|
||||
|
||||
class mos6530_t : public mos6530_base_t
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
mos6530_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
virtual DECLARE_ADDRESS_MAP(rom_map, 8);
|
||||
virtual DECLARE_ADDRESS_MAP(ram_map, 8);
|
||||
virtual DECLARE_ADDRESS_MAP(io_map, 8);
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start();
|
||||
|
||||
void update_pb();
|
||||
void update_irq();
|
||||
};
|
||||
|
||||
|
||||
class mos6532_t : public mos6530_base_t
|
||||
{
|
||||
public:
|
||||
// construction/destruction
|
||||
mos6532_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
|
||||
|
||||
virtual DECLARE_ADDRESS_MAP(ram_map, 8);
|
||||
virtual DECLARE_ADDRESS_MAP(io_map, 8);
|
||||
|
||||
DECLARE_WRITE_LINE_MEMBER( pa7_w );
|
||||
|
||||
protected:
|
||||
// device-level overrides
|
||||
virtual void device_start();
|
||||
};
|
||||
|
||||
|
||||
// device type definition
|
||||
extern const device_type MOS6530n;
|
||||
extern const device_type MOS6532n;
|
||||
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user