// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** MOS Technology 6530 Memory, I/O, Timer Array emulation MOS Technology 6532 RAM, I/O, Timer Array emulation ********************************************************************** _____ _____ Vss 1 |* \_/ | 40 PA1 PA0 2 | | 39 PA2 phi2 3 | | 38 PA3 RS0 4 | | 37 PA4 A9 5 | | 36 PA5 A8 6 | | 35 PA6 A7 7 | | 34 PA7 A6 8 | | 33 DB0 R/W 9 | | 32 DB1 A5 10 | MCS6530 | 31 DB2 A4 11 | | 30 DB3 A3 12 | | 29 DB4 A2 13 | | 28 DB5 A1 14 | | 27 DB6 A0 15 | | 26 DB7 _RES 16 | | 25 PB0 IRQ/PB7 17 | | 24 PB1 CS1/PB6 18 | | 23 PB2 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 #ifndef __MOS6530n__ #define __MOS6530n__ //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_MOS6530n_IRQ_CB(_write) \ devcb = &mos6530_base_t::set_irq_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_IN_PA_CB(_read) \ devcb = &mos6530_base_t::set_pa_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_OUT_PA_CB(_write) \ devcb = &mos6530_base_t::set_pa_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_IN_PB_CB(_read) \ devcb = &mos6530_base_t::set_pb_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_OUT_PB_CB(_write) \ devcb = &mos6530_base_t::set_pb_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_IN_PA0_CB(_read) \ devcb = &mos6530_base_t::set_pa0_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PA1_CB(_read) \ devcb = &mos6530_base_t::set_pa1_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PA2_CB(_read) \ devcb = &mos6530_base_t::set_pa2_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PA3_CB(_read) \ devcb = &mos6530_base_t::set_pa3_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PA4_CB(_read) \ devcb = &mos6530_base_t::set_pa4_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PA5_CB(_read) \ devcb = &mos6530_base_t::set_pa5_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PA6_CB(_read) \ devcb = &mos6530_base_t::set_pa6_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PA7_CB(_read) \ devcb = &mos6530_base_t::set_pa7_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_OUT_PA0_CB(_write) \ devcb = &mos6530_base_t::set_pa0_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PA1_CB(_write) \ devcb = &mos6530_base_t::set_pa1_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PA2_CB(_write) \ devcb = &mos6530_base_t::set_pa2_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PA3_CB(_write) \ devcb = &mos6530_base_t::set_pa3_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PA4_CB(_write) \ devcb = &mos6530_base_t::set_pa4_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PA5_CB(_write) \ devcb = &mos6530_base_t::set_pa5_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PA6_CB(_write) \ devcb = &mos6530_base_t::set_pa6_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PA7_CB(_write) \ devcb = &mos6530_base_t::set_pa7_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_IN_PB0_CB(_read) \ devcb = &mos6530_base_t::set_pb0_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PB1_CB(_read) \ devcb = &mos6530_base_t::set_pb1_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PB2_CB(_read) \ devcb = &mos6530_base_t::set_pb2_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PB3_CB(_read) \ devcb = &mos6530_base_t::set_pb3_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PB4_CB(_read) \ devcb = &mos6530_base_t::set_pb4_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PB5_CB(_read) \ devcb = &mos6530_base_t::set_pb5_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PB6_CB(_read) \ devcb = &mos6530_base_t::set_pb6_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_IN_PB7_CB(_read) \ devcb = &mos6530_base_t::set_pb7_rd_callback(*device, DEVCB_##_read); #define MCFG_MOS6530n_OUT_PB0_CB(_write) \ devcb = &mos6530_base_t::set_pb0_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PB1_CB(_write) \ devcb = &mos6530_base_t::set_pb1_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PB2_CB(_write) \ devcb = &mos6530_base_t::set_pb2_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PB3_CB(_write) \ devcb = &mos6530_base_t::set_pb3_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PB4_CB(_write) \ devcb = &mos6530_base_t::set_pb4_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PB5_CB(_write) \ devcb = &mos6530_base_t::set_pb5_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PB6_CB(_write) \ devcb = &mos6530_base_t::set_pb6_wr_callback(*device, DEVCB_##_write); #define MCFG_MOS6530n_OUT_PB7_CB(_write) \ devcb = &mos6530_base_t::set_pb7_wr_callback(*device, DEVCB_##_write); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> mos6530_base_t class mos6530_base_t : public device_t { public: // construction/destruction mos6530_base_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source); template static devcb_base &set_irq_wr_callback(device_t &device, _Object object) { return downcast(device).m_irq_cb.set_callback(object); } template static devcb_base &set_pa_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pa_cb.set_callback(object); } template static devcb_base &set_pa_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pa_cb.set_callback(object); } template static devcb_base &set_pb_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pb_cb.set_callback(object); } template static devcb_base &set_pb_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pb_cb.set_callback(object); } template static devcb_base &set_pa0_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pa0_cb.set_callback(object); } template static devcb_base &set_pa1_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pa1_cb.set_callback(object); } template static devcb_base &set_pa2_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pa2_cb.set_callback(object); } template static devcb_base &set_pa3_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pa3_cb.set_callback(object); } template static devcb_base &set_pa4_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pa4_cb.set_callback(object); } template static devcb_base &set_pa5_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pa5_cb.set_callback(object); } template static devcb_base &set_pa6_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pa6_cb.set_callback(object); } template static devcb_base &set_pa7_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pa7_cb.set_callback(object); } template static devcb_base &set_pa0_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pa0_cb.set_callback(object); } template static devcb_base &set_pa1_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pa1_cb.set_callback(object); } template static devcb_base &set_pa2_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pa2_cb.set_callback(object); } template static devcb_base &set_pa3_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pa3_cb.set_callback(object); } template static devcb_base &set_pa4_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pa4_cb.set_callback(object); } template static devcb_base &set_pa5_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pa5_cb.set_callback(object); } template static devcb_base &set_pa6_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pa6_cb.set_callback(object); } template static devcb_base &set_pa7_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pa7_cb.set_callback(object); } template static devcb_base &set_pb0_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pb0_cb.set_callback(object); } template static devcb_base &set_pb1_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pb1_cb.set_callback(object); } template static devcb_base &set_pb2_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pb2_cb.set_callback(object); } template static devcb_base &set_pb3_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pb3_cb.set_callback(object); } template static devcb_base &set_pb4_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pb4_cb.set_callback(object); } template static devcb_base &set_pb5_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pb5_cb.set_callback(object); } template static devcb_base &set_pb6_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pb6_cb.set_callback(object); } template static devcb_base &set_pb7_rd_callback(device_t &device, _Object object) { return downcast(device).m_in_pb7_cb.set_callback(object); } template static devcb_base &set_pb0_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pb0_cb.set_callback(object); } template static devcb_base &set_pb1_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pb1_cb.set_callback(object); } template static devcb_base &set_pb2_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pb2_cb.set_callback(object); } template static devcb_base &set_pb3_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pb3_cb.set_callback(object); } template static devcb_base &set_pb4_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pb4_cb.set_callback(object); } template static devcb_base &set_pb5_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pb5_cb.set_callback(object); } template static devcb_base &set_pb6_wr_callback(device_t &device, _Object object) { return downcast(device).m_out_pb6_cb.set_callback(object); } template static devcb_base &set_pb7_wr_callback(device_t &device, _Object object) { return downcast(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); } DECLARE_WRITE_LINE_MEMBER( pa2_w ) { pa_w(2, state); } DECLARE_WRITE_LINE_MEMBER( pa3_w ) { pa_w(3, state); } DECLARE_WRITE_LINE_MEMBER( pa4_w ) { pa_w(4, state); } DECLARE_WRITE_LINE_MEMBER( pa5_w ) { pa_w(5, state); } DECLARE_WRITE_LINE_MEMBER( pa6_w ) { pa_w(6, state); } DECLARE_WRITE_LINE_MEMBER( pa7_w ) { pa_w(7, state); } DECLARE_WRITE_LINE_MEMBER( pb0_w ) { pb_w(0, state); } DECLARE_WRITE_LINE_MEMBER( pb1_w ) { pb_w(1, state); } DECLARE_WRITE_LINE_MEMBER( pb2_w ) { pb_w(2, state); } DECLARE_WRITE_LINE_MEMBER( pb3_w ) { pb_w(3, state); } DECLARE_WRITE_LINE_MEMBER( pb4_w ) { pb_w(4, state); } DECLARE_WRITE_LINE_MEMBER( pb5_w ) { pb_w(5, state); } DECLARE_WRITE_LINE_MEMBER( pb6_w ) { pb_w(6, state); } DECLARE_WRITE_LINE_MEMBER( pb7_w ) { pb_w(7, state); } protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; enum { IRQ_EDGE = 0x40, IRQ_TIMER = 0x80 }; void update_pa(); virtual void update_pb(); virtual void update_irq(); virtual uint8_t get_irq_flags(); void edge_detect(); void pa_w(int bit, int state); void pb_w(int bit, int state); void timer_w(offs_t offset, uint8_t data, bool ie); uint8_t timer_r(bool ie); DECLARE_READ8_MEMBER( rom_r ) { return m_rom[offset]; } DECLARE_READ8_MEMBER( ram_r ) { return m_ram[offset]; } DECLARE_WRITE8_MEMBER( ram_w ) { m_ram[offset] = data; } DECLARE_READ8_MEMBER( pa_data_r ); DECLARE_WRITE8_MEMBER( pa_data_w ); DECLARE_READ8_MEMBER( pb_data_r ); DECLARE_WRITE8_MEMBER( pb_data_w ); DECLARE_READ8_MEMBER( pa_ddr_r ) { return m_pa_ddr; } 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( timer_off_r ); DECLARE_READ8_MEMBER( timer_on_r ); DECLARE_READ8_MEMBER( irq_r ); DECLARE_WRITE8_MEMBER( timer_off_w ); DECLARE_WRITE8_MEMBER( timer_on_w ); DECLARE_WRITE8_MEMBER( edge_w ); optional_shared_ptr m_ram; optional_region_ptr m_rom; devcb_write_line m_irq_cb; devcb_read8 m_in_pa_cb; devcb_write8 m_out_pa_cb; devcb_read8 m_in_pb_cb; devcb_write8 m_out_pb_cb; devcb_read_line m_in_pa0_cb; devcb_read_line m_in_pa1_cb; devcb_read_line m_in_pa2_cb; devcb_read_line m_in_pa3_cb; devcb_read_line m_in_pa4_cb; devcb_read_line m_in_pa5_cb; devcb_read_line m_in_pa6_cb; devcb_read_line m_in_pa7_cb; devcb_write_line m_out_pa0_cb; devcb_write_line m_out_pa1_cb; devcb_write_line m_out_pa2_cb; devcb_write_line m_out_pa3_cb; devcb_write_line m_out_pa4_cb; devcb_write_line m_out_pa5_cb; devcb_write_line m_out_pa6_cb; devcb_write_line m_out_pa7_cb; devcb_read_line m_in_pb0_cb; devcb_read_line m_in_pb1_cb; devcb_read_line m_in_pb2_cb; devcb_read_line m_in_pb3_cb; devcb_read_line m_in_pb4_cb; devcb_read_line m_in_pb5_cb; devcb_read_line m_in_pb6_cb; devcb_read_line m_in_pb7_cb; devcb_write_line m_out_pb0_cb; devcb_write_line m_out_pb1_cb; devcb_write_line m_out_pb2_cb; devcb_write_line m_out_pb3_cb; devcb_write_line m_out_pb4_cb; devcb_write_line m_out_pb5_cb; devcb_write_line m_out_pb6_cb; devcb_write_line m_out_pb7_cb; uint8_t m_pa_in; uint8_t m_pa_out; uint8_t m_pa_ddr; int m_pa7; int m_pa7_dir; uint8_t m_pb_in; uint8_t m_pb_out; uint8_t m_pb_ddr; bool m_ie_timer; bool m_irq_timer; bool m_ie_edge; bool m_irq_edge; int m_prescale; uint8_t m_timer; enum { IDLE, RUNNING, RUNNING_SYNCPOINT, RUNNING_AFTER_INTERRUPT }; struct live_info { attotime tm, tm_irq; attotime period; int state, next_state; uint8_t value; }; live_info cur_live, checkpoint_live; emu_timer *t_gen; void live_start(); void checkpoint(); void rollback(); void live_delay(int state); void live_sync(); void live_abort(); void live_run(const attotime &limit = attotime::never); }; class mos6530_t : public mos6530_base_t { public: // construction/destruction mos6530_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t 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() override; void update_pb() override; void update_irq() override; uint8_t get_irq_flags() override; }; class mos6532_t : public mos6530_base_t { public: // construction/destruction mos6532_t(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual DECLARE_ADDRESS_MAP(ram_map, 8); virtual DECLARE_ADDRESS_MAP(io_map, 8); // is there a better way to access the memory map when not using AM_DEVICE? DECLARE_READ8_MEMBER(io_r); DECLARE_WRITE8_MEMBER(io_w); protected: // device-level overrides virtual void device_start() override; }; // device type definition extern const device_type MOS6530n; extern const device_type MOS6532n; #endif