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https://github.com/holub/mame
synced 2025-05-29 00:53:09 +03:00
Updated the 6821 PIA device to no longer be legacy. [Harmony]
Not in whatsnew: Tested hstennis andpeggle, verified that they still work properly.
This commit is contained in:
Ryan Holtz
parent
f65faa6072
commit
3c0ef980fb
File diff suppressed because it is too large
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@ -18,37 +18,234 @@
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**********************************************************************/
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#pragma once
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#ifndef __6821PIA_H__
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#define __6821PIA_H__
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#include "devlegcy.h"
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#include "emu.h"
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/***************************************************************************
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DEVICE CONFIGURATION MACROS
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***************************************************************************/
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#define MDRV_PIA6821_ADD(_tag, _intrf) \
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MDRV_DEVICE_ADD(_tag, PIA6821, 0) \
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MDRV_DEVICE_CONFIG(_intrf)
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#define MDRV_PIA6821_MODIFY(_tag, _intrf) \
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MDRV_DEVICE_MODIFY(_tag) \
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MDRV_DEVICE_CONFIG(_intrf)
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#define MDRV_PIA6822_ADD(_tag, _intrf) \
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MDRV_DEVICE_ADD(_tag, PIA6822, 0) \
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MDRV_DEVICE_CONFIG(_intrf)
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#define MDRV_PIA6822_MODIFY(_tag, _intrf) \
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MDRV_DEVICE_MODIFY(_tag) \
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MDRV_DEVICE_CONFIG(_intrf)
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/***************************************************************************
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TYPE DEFINITIONS
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***************************************************************************/
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/*------------- PIA interface structure -----------------*/
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typedef struct _pia6821_interface pia6821_interface;
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struct _pia6821_interface
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// ======================> pia6821_interface
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struct pia6821_interface
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{
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devcb_read8 in_a_func;
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devcb_read8 in_b_func;
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devcb_read_line in_ca1_func;
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devcb_read_line in_cb1_func;
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devcb_read_line in_ca2_func;
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devcb_read_line in_cb2_func;
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devcb_write8 out_a_func;
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devcb_write8 out_b_func;
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devcb_write_line out_ca2_func;
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devcb_write_line out_cb2_func;
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devcb_write_line irq_a_func;
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devcb_write_line irq_b_func;
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devcb_read8 m_in_a_func;
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devcb_read8 m_in_b_func;
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devcb_read_line m_in_ca1_func;
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devcb_read_line m_in_cb1_func;
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devcb_read_line m_in_ca2_func;
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devcb_read_line m_in_cb2_func;
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devcb_write8 m_out_a_func;
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devcb_write8 m_out_b_func;
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devcb_write_line m_out_ca2_func;
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devcb_write_line m_out_cb2_func;
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devcb_write_line m_irq_a_func;
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devcb_write_line m_irq_b_func;
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};
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DECLARE_LEGACY_DEVICE(PIA6821, pia6821);
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DECLARE_LEGACY_DEVICE(PIA6822, pia6822);
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// ======================> pia6821_device_config
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class pia6821_device_config : public device_config,
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public pia6821_interface
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{
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friend class pia6821_device;
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// construction/destruction
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pia6821_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
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public:
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// allocators
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static device_config *static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
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virtual device_t *alloc_device(running_machine &machine) const;
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protected:
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// device_config overrides
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virtual void device_config_complete();
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};
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// ======================> pia6821_device
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class pia6821_device : public device_t
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{
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friend class pia6821_device_config;
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// construction/destruction
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pia6821_device(running_machine &_machine, const pia6821_device_config &_config);
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public:
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UINT8 reg_r(UINT8 offset);
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void reg_w(UINT8 offset, UINT8 data);
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UINT8 alt_r(UINT8 offset);
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void alt_w(UINT8 offset, UINT8 data);
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UINT8 get_port_b_z_mask(); /* see first note in .c */
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void set_port_a_z_mask(UINT8 data); /* see second note in .c */
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UINT8 porta_r();
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void porta_w(UINT8 data);
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void set_input_a(UINT8 data, UINT8 z_mask);
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UINT8 get_output_a();
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UINT8 ca1_r();
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void ca1_w(UINT8 state);
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UINT8 ca2_r();
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void ca2_w(UINT8 state);
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int get_output_ca2();
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int get_output_ca2_z();
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UINT8 portb_r();
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void portb_w(UINT8 data);
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UINT8 get_output_b();
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UINT8 cb1_r();
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void cb1_w(UINT8 state);
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UINT8 cb2_r();
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void cb2_w(UINT8 state);
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int get_output_cb2();
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int get_output_cb2_z();
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int get_irq_a();
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int get_irq_b();
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protected:
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// device-level overrides
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virtual void device_start();
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virtual void device_reset();
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virtual void device_post_load() { }
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virtual void device_clock_changed() { }
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private:
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void update_interrupts();
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UINT8 get_in_a_value();
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UINT8 get_in_b_value();
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UINT8 get_out_a_value();
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UINT8 get_out_b_value();
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void set_out_ca2(int data);
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void set_out_cb2(int data);
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UINT8 port_a_r();
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UINT8 ddr_a_r();
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UINT8 control_a_r();
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UINT8 port_b_r();
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UINT8 ddr_b_r();
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UINT8 control_b_r();
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void send_to_out_a_func(const char* message);
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void send_to_out_b_func(const char* message);
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void port_a_w(UINT8 data);
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void ddr_a_w(UINT8 data);
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void port_b_w(UINT8 data);
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void ddr_b_w(UINT8 data);
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void control_a_w(UINT8 data);
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void control_b_w(UINT8 data);
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devcb_resolved_read8 m_in_a_func;
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devcb_resolved_read8 m_in_b_func;
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devcb_resolved_read_line m_in_ca1_func;
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devcb_resolved_read_line m_in_cb1_func;
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devcb_resolved_read_line m_in_ca2_func;
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devcb_resolved_read_line m_in_cb2_func;
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devcb_resolved_write8 m_out_a_func;
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devcb_resolved_write8 m_out_b_func;
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devcb_resolved_write_line m_out_ca2_func;
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devcb_resolved_write_line m_out_cb2_func;
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devcb_resolved_write_line m_irq_a_func;
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devcb_resolved_write_line m_irq_b_func;
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UINT8 m_in_a;
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UINT8 m_in_ca1;
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UINT8 m_in_ca2;
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UINT8 m_out_a;
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UINT8 m_out_ca2;
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UINT8 m_port_a_z_mask;
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UINT8 m_ddr_a;
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UINT8 m_ctl_a;
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UINT8 m_irq_a1;
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UINT8 m_irq_a2;
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UINT8 m_irq_a_state;
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UINT8 m_in_b;
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UINT8 m_in_cb1;
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UINT8 m_in_cb2;
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UINT8 m_out_b;
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UINT8 m_out_cb2;
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UINT8 m_last_out_cb2_z;
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UINT8 m_ddr_b;
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UINT8 m_ctl_b;
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UINT8 m_irq_b1;
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UINT8 m_irq_b2;
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UINT8 m_irq_b_state;
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/* variables that indicate if access a line externally -
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used to for logging purposes ONLY */
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UINT8 m_in_a_pushed;
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UINT8 m_out_a_needs_pulled;
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UINT8 m_in_ca1_pushed;
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UINT8 m_in_ca2_pushed;
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UINT8 m_out_ca2_needs_pulled;
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UINT8 m_in_b_pushed;
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UINT8 m_out_b_needs_pulled;
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UINT8 m_in_cb1_pushed;
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UINT8 m_in_cb2_pushed;
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UINT8 m_out_cb2_needs_pulled;
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UINT8 m_logged_port_a_not_connected;
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UINT8 m_logged_port_b_not_connected;
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UINT8 m_logged_ca1_not_connected;
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UINT8 m_logged_ca2_not_connected;
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UINT8 m_logged_cb1_not_connected;
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UINT8 m_logged_cb2_not_connected;
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const pia6821_device_config &m_config;
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};
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// device type definition
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extern const device_type PIA6821;
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@ -94,24 +291,4 @@ int pia6821_get_irq_a(running_device *device);
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int pia6821_get_irq_b(running_device *device);
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/***************************************************************************
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DEVICE CONFIGURATION MACROS
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***************************************************************************/
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#define MDRV_PIA6821_ADD(_tag, _intrf) \
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MDRV_DEVICE_ADD(_tag, PIA6821, 0) \
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MDRV_DEVICE_CONFIG(_intrf)
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#define MDRV_PIA6821_MODIFY(_tag, _intrf) \
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MDRV_DEVICE_MODIFY(_tag) \
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MDRV_DEVICE_CONFIG(_intrf)
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#define MDRV_PIA6822_ADD(_tag, _intrf) \
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MDRV_DEVICE_ADD(_tag, PIA6822, 0) \
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MDRV_DEVICE_CONFIG(_intrf)
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#define MDRV_PIA6822_MODIFY(_tag, _intrf) \
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MDRV_DEVICE_MODIFY(_tag) \
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MDRV_DEVICE_CONFIG(_intrf)
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#endif /* __6821NEW_H__ */
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#endif /* __6821PIA_H__ */
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