// license:BSD-3-Clause // copyright-holders:Andrew Gardner #ifndef __DSP56K_OPS_H__ #define __DSP56K_OPS_H__ #include #include #include "emu.h" #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 BBB); void decode_cccc_table(const UINT16 cccc, op_mnem& mnemonic); void decode_DDDDD_table(const UINT16 DDDDD, reg_id& SD); void decode_DD_table(const UINT16 DD, reg_id& SD); void decode_DDF_table(const UINT16 DD, const UINT16 F, reg_id& S, reg_id& D); void decode_EE_table(const UINT16 EE, reg_id& D); void decode_F_table(const UINT16 F, reg_id& SD); void decode_h0hF_table(const UINT16 h0h, UINT16 F, reg_id& S, reg_id& D); void decode_HH_table(const UINT16 HH, reg_id& SD); void decode_HHH_table(const UINT16 HHH, reg_id& SD); void decode_IIIIx_table(const UINT16 IIII, const UINT16 x, reg_id& S, reg_id& D); void decode_JJJF_table(const UINT16 JJJ, const UINT16 F, reg_id& S, reg_id& D); void decode_JJF_table(const UINT16 JJ, const UINT16 F, reg_id& S, reg_id& D); void decode_JF_table(const UINT16 J, const UINT16 F, reg_id& S, reg_id& D); void decode_kSign_table(const UINT16 k, std::string& plusMinus); void decode_KKK_table(const UINT16 KKK, reg_id& D1, reg_id& D2); void decode_NN_table(UINT16 NN, reg_id& ret); void decode_TT_table(UINT16 TT, reg_id& ret); void decode_QQF_table(const UINT16 QQ, const UINT16 F, reg_id& S1, reg_id& S2, reg_id& D); void decode_QQF_special_table(const UINT16 QQ, const UINT16 F, reg_id& S1, reg_id& S2, reg_id& D); void decode_QQQF_table(const UINT16 QQQ, const UINT16 F, reg_id& S1, reg_id& S2, reg_id& D); void decode_RR_table(UINT16 RR, reg_id& ret); void decode_rr_table(UINT16 rr, reg_id& ret); void decode_s_table(const UINT16 s, op_mnem& arithmetic); void decode_ss_table(const UINT16 ss, op_mnem& arithmetic); void decode_uuuuF_table(const UINT16 uuuu, const UINT16 F, std::string& arg, reg_id& S, reg_id& D); void decode_Z_table(const UINT16 Z, std::string& ea); void assemble_ea_from_m_table(const UINT16 m, const int n, std::string& ea); void assemble_eas_from_mm_table(UINT16 mm, int n1, int n2, std::string& ea1, std::string& ea2); void assemble_ea_from_MM_table(UINT16 MM, int n, std::string& ea); void assemble_ea_from_q_table(UINT16 q, int n, std::string& ea); void assemble_ea_from_t_table(UINT16 t, UINT16 val, std::string& ea); void assemble_ea_from_z_table(UINT16 z, int n, std::string& ea); void assemble_D_from_P_table(UINT16 P, UINT16 ppppp, std::string& D); void assemble_arguments_from_W_table(UINT16 W, char ma, const reg_id& SD, const std::string& ea, std::string& S, std::string& D); void assemble_arguments_from_W_table(UINT16 W, char ma, const std::string& SD, const std::string& ea, std::string& S, std::string& D); void assemble_reg_from_W_table(UINT16 W, char ma, const reg_id& SD, const INT8 xx, std::string& S, std::string& D); void assemble_address_from_IO_short_address(UINT16 pp, std::string& ea); INT8 get_6_bit_signed_value(UINT16 bits); // Helpers UINT16 dsp56k_op_maskn(UINT16 cur, UINT16 mask); bool registerOverlap(const reg_id& r0, const size_t bmd, const reg_id& r1); UINT16 regValue16(dsp56k_core* cpustate, const reg_id& reg); void setReg16(dsp56k_core* cpustate, const UINT16& 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 regIDAsNum(const reg_id& regId); } #endif