// license:BSD-3-Clause // copyright-holders:Andrew Gardner #ifndef __DSP56K_OPS_H__ #define __DSP56K_OPS_H__ #include #include #include "dsp56k.h" namespace DSP56K { #define BITSn(CUR,MASK) (dsp56k_op_maskn(CUR,MASK)) enum bitsModified {BM_NONE = 0x0, BM_LOW = 0x1, BM_MIDDLE = 0x2, BM_HIGH = 0x4}; enum bfShift {BBB_UPPER, BBB_MIDDLE, BBB_LOWER, BBB_INVALID}; enum reg_id {iX, iX0, iX1, iY, iY0, iY1, iA, iA0, iA1, iA2, iB, iB0, iB1, iB2, iR0, iR1, iR2, iR3, iN0, iN1, iN2, iN3, iM0, iM1, iM2, iM3, iLC, iSR, iOMR, iSP, iSSH, iSSL, iLA, iMR, iCCR, iF, iFHAT, iINVALID, iWEIRD}; enum op_mnem {oCC, oGE, oNE, oPL, oNN, oEC, oLC, oGT, oCS, oLT, oEQ, oMI, oNR, oES, oLS, oLE, oSS, oSU, oUU, oINVALID}; bfShift decode_BBB_table(uint16_t BBB); void decode_cccc_table(const uint16_t cccc, op_mnem& mnemonic); void decode_DDDDD_table(const uint16_t DDDDD, reg_id& SD); void decode_DD_table(const uint16_t DD, reg_id& SD); void decode_DDF_table(const uint16_t DD, const uint16_t F, reg_id& S, reg_id& D); void decode_EE_table(const uint16_t EE, reg_id& D); void decode_F_table(const uint16_t F, reg_id& SD); void decode_h0hF_table(const uint16_t h0h, uint16_t F, reg_id& S, reg_id& D); void decode_HH_table(const uint16_t HH, reg_id& SD); void decode_HHH_table(const uint16_t HHH, reg_id& SD); void decode_IIIIx_table(const uint16_t IIII, const uint16_t x, reg_id& S, reg_id& D); void decode_JJJF_table(const uint16_t JJJ, const uint16_t F, reg_id& S, reg_id& D); void decode_JJF_table(const uint16_t JJ, const uint16_t F, reg_id& S, reg_id& D); void decode_JF_table(const uint16_t J, const uint16_t F, reg_id& S, reg_id& D); void decode_kSign_table(const uint16_t k, std::string& plusMinus); void decode_KKK_table(const uint16_t KKK, reg_id& D1, reg_id& D2); void decode_NN_table(uint16_t NN, reg_id& ret); void decode_TT_table(uint16_t TT, reg_id& ret); void decode_QQF_table(const uint16_t QQ, const uint16_t F, reg_id& S1, reg_id& S2, reg_id& D); void decode_QQF_special_table(const uint16_t QQ, const uint16_t F, reg_id& S1, reg_id& S2, reg_id& D); void decode_QQQF_table(const uint16_t QQQ, const uint16_t F, reg_id& S1, reg_id& S2, reg_id& D); void decode_RR_table(uint16_t RR, reg_id& ret); void decode_rr_table(uint16_t rr, reg_id& ret); void decode_s_table(const uint16_t s, op_mnem& arithmetic); void decode_ss_table(const uint16_t ss, op_mnem& arithmetic); void decode_uuuuF_table(const uint16_t uuuu, const uint16_t F, std::string& arg, reg_id& S, reg_id& D); void decode_Z_table(const uint16_t Z, std::string& ea); void assemble_ea_from_m_table(const uint16_t m, const int n, std::string& ea); void assemble_eas_from_mm_table(uint16_t mm, int n1, int n2, std::string& ea1, std::string& ea2); void assemble_ea_from_MM_table(uint16_t MM, int n, std::string& ea); void assemble_ea_from_q_table(uint16_t q, int n, std::string& ea); void assemble_ea_from_t_table(uint16_t t, uint16_t val, std::string& ea); void assemble_ea_from_z_table(uint16_t z, int n, std::string& ea); void assemble_D_from_P_table(uint16_t P, uint16_t ppppp, std::string& D); void assemble_arguments_from_W_table(uint16_t W, char ma, const reg_id& SD, const std::string& ea, std::string& S, std::string& D); void assemble_arguments_from_W_table(uint16_t W, char ma, const std::string& SD, const std::string& ea, std::string& S, std::string& D); void assemble_reg_from_W_table(uint16_t W, char ma, const reg_id& SD, const int8_t xx, std::string& S, std::string& D); void assemble_address_from_IO_short_address(uint16_t pp, std::string& ea); int8_t get_6_bit_signed_value(uint16_t bits); // Helpers uint16_t dsp56k_op_maskn(uint16_t cur, uint16_t mask); bool registerOverlap(const reg_id& r0, const size_t bmd, const reg_id& r1); uint16_t regValue16(dsp56k_core* cpustate, const reg_id& reg); void setReg16(dsp56k_core* cpustate, const uint16_t& value, const reg_id& reg); std::string regIdAsString(const reg_id& regId); std::string opMnemonicAsString(const op_mnem& mnem); reg_id stringAsRegID(const std::string& str); uint8_t regIDAsNum(const reg_id& regId); } #endif