// license:BSD-3-Clause // copyright-holders:Aaron Giles /*************************************************************************** dsp32.h Interface file for the portable DSP32 emulator. ***************************************************************************/ #ifndef MAME_CPU_DSP32_DSP32_H #define MAME_CPU_DSP32_DSP32_H #pragma once //************************************************************************** // CONSTANTS //************************************************************************** // IRQ sources const int DSP32_IRQ0 = 0; // IRQ0 const int DSP32_IRQ1 = 1; // IRQ1 // pin signal bits const int DSP32_OUTPUT_PIF = 0x01; const int DSP32_OUTPUT_PDF = 0x02; //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> dsp32c_device class dsp32c_device : public cpu_device { public: // construction/destruction dsp32c_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); auto out_cb() { return m_output_pins_changed.bind(); } // public interfaces void pio_w(int reg, int data); int pio_r(int reg); protected: // register enumeration enum { // CAU DSP32_PC=1, DSP32_R0, DSP32_R1, DSP32_R2, DSP32_R3, DSP32_R4, DSP32_R5, DSP32_R6, DSP32_R7, DSP32_R8, DSP32_R9, DSP32_R10, DSP32_R11, DSP32_R12, DSP32_R13, DSP32_R14, DSP32_R15, DSP32_R16, DSP32_R17, DSP32_R18, DSP32_R19, DSP32_R20, DSP32_R21, DSP32_R22, DSP32_PIN, DSP32_POUT, DSP32_IVTP, // DAU DSP32_A0, DSP32_A1, DSP32_A2, DSP32_A3, DSP32_DAUC, // PIO DSP32_PAR, DSP32_PDR, DSP32_PIR, DSP32_PCR, DSP32_EMR, DSP32_ESR, DSP32_PCW, DSP32_PIOP, // SIO DSP32_IBUF, DSP32_ISR, DSP32_OBUF, DSP32_OSR, DSP32_IOC }; // device-level overrides virtual void device_start() override; virtual void device_reset() override; // device_execute_interface overrides virtual uint32_t execute_min_cycles() const noexcept override; virtual uint32_t execute_max_cycles() const noexcept override; virtual uint32_t execute_input_lines() const noexcept override; virtual void execute_run() override; virtual void execute_set_input(int inputnum, int state) override; // device_memory_interface overrides virtual space_config_vector memory_space_config() const override; // device_state_interface overrides virtual void state_import(const device_state_entry &entry) override; virtual void state_export(const device_state_entry &entry) override; virtual void state_string_export(const device_state_entry &entry, std::string &str) const override; // device_disasm_interface overrides virtual std::unique_ptr create_disassembler() override; // memory accessors uint32_t ROPCODE(offs_t pc); uint8_t RBYTE(offs_t addr); void WBYTE(offs_t addr, uint8_t data); uint16_t RWORD(offs_t addr); uint32_t RLONG(offs_t addr); void WWORD(offs_t addr, uint16_t data); void WLONG(offs_t addr, uint32_t data); // interrupts void check_irqs(); void set_irq_line(int irqline, int state); void update_pcr(uint16_t newval); void update_pins(void); void illegal(uint32_t op); void unimplemented(uint32_t op); void execute_one(); // CAU helpers uint32_t cau_read_pi_special(uint8_t i); void cau_write_pi_special(uint8_t i, uint32_t val); uint8_t cau_read_pi_1byte(int pi); uint16_t cau_read_pi_2byte(int pi); uint32_t cau_read_pi_4byte(int pi); void cau_write_pi_1byte(int pi, uint8_t val); void cau_write_pi_2byte(int pi, uint16_t val); void cau_write_pi_4byte(int pi, uint32_t val); // DAU helpers double dau_get_amult(int aidx); double dau_get_anzflags(); uint8_t dau_get_avuflags(); void remember_last_dau(int aidx); void dau_set_val_noflags(int aidx, double res); void dau_set_val_flags(int aidx, double res); double dsp_to_double(uint32_t val); uint32_t double_to_dsp(double val); double dau_read_pi_special(int i); void dau_write_pi_special(int i, double val); double dau_read_pi_double_1st(int pi, int multiplier); double dau_read_pi_double_2nd(int pi, int multiplier, double xval); uint32_t dau_read_pi_4bytes(int pi); uint16_t dau_read_pi_2bytes(int pi); void dau_write_pi_double(int pi, double val); void dau_write_pi_4bytes(int pi, uint32_t val); void dau_write_pi_2bytes(int pi, uint16_t val); // common condition routine int condition(int cond); // CAU branch instruction implementation void nop(uint32_t op); void goto_t(uint32_t op); void goto_pl(uint32_t op); void goto_mi(uint32_t op); void goto_ne(uint32_t op); void goto_eq(uint32_t op); void goto_vc(uint32_t op); void goto_vs(uint32_t op); void goto_cc(uint32_t op); void goto_cs(uint32_t op); void goto_ge(uint32_t op); void goto_lt(uint32_t op); void goto_gt(uint32_t op); void goto_le(uint32_t op); void goto_hi(uint32_t op); void goto_ls(uint32_t op); void goto_auc(uint32_t op); void goto_aus(uint32_t op); void goto_age(uint32_t op); void goto_alt(uint32_t op); void goto_ane(uint32_t op); void goto_aeq(uint32_t op); void goto_avc(uint32_t op); void goto_avs(uint32_t op); void goto_agt(uint32_t op); void goto_ale(uint32_t op); void goto_ibe(uint32_t op); void goto_ibf(uint32_t op); void goto_obf(uint32_t op); void goto_obe(uint32_t op); void goto_pde(uint32_t op); void goto_pdf(uint32_t op); void goto_pie(uint32_t op); void goto_pif(uint32_t op); void goto_syc(uint32_t op); void goto_sys(uint32_t op); void goto_fbc(uint32_t op); void goto_fbs(uint32_t op); void goto_irq1lo(uint32_t op); void goto_irq1hi(uint32_t op); void goto_irq2lo(uint32_t op); void goto_irq2hi(uint32_t op); void dec_goto(uint32_t op); void call(uint32_t op); void goto24(uint32_t op); void call24(uint32_t op); void do_i(uint32_t op); void do_r(uint32_t op); // CAU 16-bit arithmetic implementation void add_si(uint32_t op); void add_ss(uint32_t op); void mul2_s(uint32_t op); void subr_ss(uint32_t op); void addr_ss(uint32_t op); void sub_ss(uint32_t op); void neg_s(uint32_t op); void andc_ss(uint32_t op); void cmp_ss(uint32_t op); void xor_ss(uint32_t op); void rcr_s(uint32_t op); void or_ss(uint32_t op); void rcl_s(uint32_t op); void shr_s(uint32_t op); void div2_s(uint32_t op); void and_ss(uint32_t op); void test_ss(uint32_t op); void add_di(uint32_t op); void subr_di(uint32_t op); void addr_di(uint32_t op); void sub_di(uint32_t op); void andc_di(uint32_t op); void cmp_di(uint32_t op); void xor_di(uint32_t op); void or_di(uint32_t op); void and_di(uint32_t op); void test_di(uint32_t op); // CAU 24-bit arithmetic implementation void adde_si(uint32_t op); void adde_ss(uint32_t op); void mul2e_s(uint32_t op); void subre_ss(uint32_t op); void addre_ss(uint32_t op); void sube_ss(uint32_t op); void nege_s(uint32_t op); void andce_ss(uint32_t op); void cmpe_ss(uint32_t op); void xore_ss(uint32_t op); void rcre_s(uint32_t op); void ore_ss(uint32_t op); void rcle_s(uint32_t op); void shre_s(uint32_t op); void div2e_s(uint32_t op); void ande_ss(uint32_t op); void teste_ss(uint32_t op); void adde_di(uint32_t op); void subre_di(uint32_t op); void addre_di(uint32_t op); void sube_di(uint32_t op); void andce_di(uint32_t op); void cmpe_di(uint32_t op); void xore_di(uint32_t op); void ore_di(uint32_t op); void ande_di(uint32_t op); void teste_di(uint32_t op); // CAU load/store implementation void load_hi(uint32_t op); void load_li(uint32_t op); void load_i(uint32_t op); void load_ei(uint32_t op); void store_hi(uint32_t op); void store_li(uint32_t op); void store_i(uint32_t op); void store_ei(uint32_t op); void load_hr(uint32_t op); void load_lr(uint32_t op); void load_r(uint32_t op); void load_er(uint32_t op); void store_hr(uint32_t op); void store_lr(uint32_t op); void store_r(uint32_t op); void store_er(uint32_t op); void load24(uint32_t op); // DAU form 1 implementation void d1_aMpp(uint32_t op); void d1_aMpm(uint32_t op); void d1_aMmp(uint32_t op); void d1_aMmm(uint32_t op); void d1_0px(uint32_t op); void d1_0mx(uint32_t op); void d1_1pp(uint32_t op); void d1_1pm(uint32_t op); void d1_1mp(uint32_t op); void d1_1mm(uint32_t op); void d1_aMppr(uint32_t op); void d1_aMpmr(uint32_t op); void d1_aMmpr(uint32_t op); void d1_aMmmr(uint32_t op); // DAU form 2 implementation void d2_aMpp(uint32_t op); void d2_aMpm(uint32_t op); void d2_aMmp(uint32_t op); void d2_aMmm(uint32_t op); void d2_aMppr(uint32_t op); void d2_aMpmr(uint32_t op); void d2_aMmpr(uint32_t op); void d2_aMmmr(uint32_t op); // DAU form 3 implementation void d3_aMpp(uint32_t op); void d3_aMpm(uint32_t op); void d3_aMmp(uint32_t op); void d3_aMmm(uint32_t op); void d3_aMppr(uint32_t op); void d3_aMpmr(uint32_t op); void d3_aMmpr(uint32_t op); void d3_aMmmr(uint32_t op); // DAU form 4 implementation void d4_pp(uint32_t op); void d4_pm(uint32_t op); void d4_mp(uint32_t op); void d4_mm(uint32_t op); void d4_ppr(uint32_t op); void d4_pmr(uint32_t op); void d4_mpr(uint32_t op); void d4_mmr(uint32_t op); // DAU form 5 implementation void d5_ic(uint32_t op); void d5_oc(uint32_t op); void d5_float(uint32_t op); void d5_int(uint32_t op); void d5_round(uint32_t op); void d5_ifalt(uint32_t op); void d5_ifaeq(uint32_t op); void d5_ifagt(uint32_t op); void d5_float24(uint32_t op); void d5_int24(uint32_t op); void d5_ieee(uint32_t op); void d5_dsp(uint32_t op); void d5_seed(uint32_t op); // dma helpers void dma_increment(); void dma_load(); void dma_store(); // configuration const address_space_config m_program_config; // internal state uint32_t m_r[32]; uint32_t m_pin, m_pout; uint32_t m_ivtp; uint32_t m_nzcflags; uint32_t m_vflags; double m_a[6]; double m_NZflags; uint8_t m_VUflags; double m_abuf[4]; uint8_t m_abufreg[4]; uint8_t m_abufVUflags[4]; uint8_t m_abufNZflags[4]; int m_abufcycle[4]; int m_abuf_index; int32_t m_mbufaddr[4]; uint32_t m_mbufdata[4]; int m_mbuf_index; uint16_t m_par; uint8_t m_pare; uint16_t m_pdr; uint16_t m_pdr2; uint16_t m_pir; uint16_t m_pcr; uint16_t m_emr; uint8_t m_esr; uint16_t m_pcw; uint8_t m_piop; uint32_t m_ibuf; uint32_t m_isr; uint32_t m_obuf; uint32_t m_osr; uint32_t m_iotemp; // internal stuff int m_lastp; int m_icount; uint8_t m_lastpins; uint32_t m_ppc; address_space * m_program; memory_access_cache<2, 0, ENDIANNESS_LITTLE> *m_cache; devcb_write32 m_output_pins_changed; // tables static void (dsp32c_device::*const s_dsp32ops[])(uint32_t op); static const uint32_t s_regmap[4][16]; }; DECLARE_DEVICE_TYPE(DSP32C, dsp32c_device) #endif // MAME_CPU_DSP32_DSP32_H