#pragma once #ifndef __M5074X_H__ #define __M5074X_H__ #include "m740.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_M5074X_PORT0_CALLBACKS(_read, _write) \ downcast(device)->set_p0_callbacks(DEVCB2_##_read, DEVCB2_##_write); #define MCFG_M5074X_PORT1_CALLBACKS(_read, _write) \ downcast(device)->set_p1_callbacks(DEVCB2_##_read, DEVCB2_##_write); #define MCFG_M5074X_PORT2_CALLBACKS(_read, _write) \ downcast(device)->set_p2_callbacks(DEVCB2_##_read, DEVCB2_##_write); #define MCFG_M5074X_PORT3_CALLBACKS(_read, _write) \ downcast(device)->set_p3_callbacks(DEVCB2_##_read, DEVCB2_##_write); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> m5074x_device class m5074x_device : public m740_device { friend class m50740_device; friend class m50741_device; enum { M5074X_INT1_LINE = INPUT_LINE_IRQ0, M5074X_SET_OVERFLOW = M740_SET_OVERFLOW }; enum { TIMER_1 = 0, TIMER_2, TIMER_X, NUM_TIMERS }; public: // construction/destruction m5074x_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, address_map_constructor internal_map, const char *shortname, const char *source); const address_space_config m_program_config; template void set_p0_callbacks(_read rd, _write wr) { read_p0.set_callback(rd); write_p0.set_callback(wr); } template void set_p1_callbacks(_read rd, _write wr) { read_p1.set_callback(rd); write_p1.set_callback(wr); } template void set_p2_callbacks(_read rd, _write wr) { read_p2.set_callback(rd); write_p2.set_callback(wr); } template void set_p3_callbacks(_read rd, _write wr) { read_p3.set_callback(rd); write_p3.set_callback(wr); } devcb2_read8 read_p0, read_p1, read_p2, read_p3; devcb2_write8 write_p0, write_p1, write_p2, write_p3; DECLARE_READ8_MEMBER(ports_r); DECLARE_WRITE8_MEMBER(ports_w); DECLARE_READ8_MEMBER(tmrirq_r); DECLARE_WRITE8_MEMBER(tmrirq_w); bool are_port_bits_output(UINT8 port, UINT8 mask) { return ((m_ddrs[port] & mask) == mask) ? true : false; } protected: // device-level overrides virtual void device_start(); virtual void device_reset(); virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); virtual void execute_set_input(int inputnum, int state); virtual const address_space_config *memory_space_config(address_spacenum spacenum) const { return (spacenum == AS_PROGRAM) ? &m_program_config : NULL; } void send_port(address_space &space, UINT8 offset, UINT8 data); UINT8 read_port(UINT8 offset); void recalc_irqs(); void recalc_timer(int timer); UINT8 m_ports[6], m_ddrs[6]; UINT8 m_intctrl, m_tmrctrl; UINT8 m_tmr12pre, m_tmr1, m_tmr2, m_tmrxpre, m_tmrx; UINT8 m_tmr1latch, m_tmr2latch, m_tmrxlatch; UINT8 m_last_all_ints; private: emu_timer *m_timers[NUM_TIMERS]; }; class m50740_device : public m5074x_device { public: m50740_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); m50740_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); protected: private: }; class m50741_device : public m5074x_device { public: m50741_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); m50741_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); protected: private: }; extern const device_type M50740; extern const device_type M50741; #endif