void m58846_device::execute_one() { // handle one opcode switch (m_op & 0x1f0) { case 0x30: op_sey(); break; case 0x70: op_sp(); break; case 0xa0: op_a(); break; case 0xb0: op_la(); break; case 0xc0: case 0xd0: case 0xe0: case 0xf0: op_lxy(); break; default: switch (m_op & 0x1fc) { case 0x20: op_szb(); break; case 0x4c: op_sb(); break; case 0x58: op_szk(); break; case 0x5c: op_rb(); break; case 0x60: op_xam(); break; case 0x64: op_tam(); break; case 0x68: op_xamd(); break; case 0x6c: op_xami(); break; default: switch (m_op) { case 0x06: case 0x07: op_su(); break; case 0x40: case 0x41: op_lcps(); break; case 0x4a: case 0x4b: op_lz(); break; case 0x54: case 0x55: op_ias(); break; case 0x00: op_nop(); break; case 0x01: op_ba(); break; case 0x02: op_iny(); break; case 0x03: op_dey(); break; case 0x04: op_di(); break; case 0x05: op_ei(); break; case 0x09: op_tabe(); break; // undocumented case 0x0a: op_am(); break; case 0x0b: op_ose(); break; case 0x0c: op_tya(); break; case 0x0f: op_cma(); break; case 0x10: op_cls(); break; case 0x11: op_clds(); break; case 0x13: op_cld(); break; case 0x14: op_rd(); break; case 0x15: op_sd(); break; case 0x16: op_tepa(); break; case 0x17: op_ospa(); break; case 0x18: op_rl(); break; // undocumented case 0x19: op_rr(); break; // undocumented case 0x1a: op_teab(); break; case 0x1b: op_osab(); break; case 0x1c: op_tba(); break; case 0x1d: op_tay(); break; case 0x1e: op_tab(); break; case 0x26: op_seam(); break; case 0x2b: op_szd(); break; case 0x2f: op_szc(); break; case 0x43: op_amc(); break; case 0x44: op_rt(); break; case 0x45: op_rts(); break; case 0x46: op_rti(); break; case 0x48: op_rc(); break; case 0x49: op_sc(); break; case 0x53: op_amcs(); break; case 0x57: op_iak(); break; case 0x81: op_ofa(); break; case 0x82: op_snz1(); break; case 0x83: op_snz2(); break; case 0x84: op_oga(); break; case 0x85: op_t2ab(); break; case 0x86: op_tva(); break; case 0x8a: op_tab2(); break; case 0x8c: op_iaf(); break; default: melps4_cpu_device::execute_one(); break; } break; // 0x1ff } break; // 0x1fc } // big switch }
void kb1013vk12_device::execute_one() { switch (m_op & 0xf0) { case 0x20: op_lax(); break; // LC case 0x30: op_adx(); break; // AS/A10 case 0x40: op_lb(); break; // LAS case 0x70: op_ssr(); break; // LP case 0x80: case 0x90: case 0xa0: case 0xb0: op_t(); break; // BR (LP+this=JMP) case 0xc0: case 0xd0: case 0xe0: case 0xf0: op_trs(); break; // CBR/CZP (LP+this=CAL) default: switch (m_op & 0xfc) { case 0x04: op_rm(); break; // BM0 case 0x0c: op_sm(); break; // BM1 case 0x10: op_exc(); break; // XM/XE case 0x14: op_exci(); break; // XI/XEI case 0x18: op_lda(); break; // LE case 0x1c: op_excd(); break; // XD/XED case 0x54: op_tmi(); break; // SM1 default: switch (m_op) { case 0x00: op_skip(); break; // NOP case 0x01: op_atr(); break; // OAR case 0x02: op_bs1(); break; // *BS1 case 0x03: op_atbp(); break; case 0x08: op_add(); break; // AM case 0x09: op_add11(); break; // AC case 0x0a: op_coma(); break; // COM case 0x0b: op_exbla(); break; // XL case 0x50: op_tal(); break; // SI1 case 0x51: op_tb(); break; // SI0 case 0x52: op_tc(); break; // SCO case 0x53: op_tam(); break; // SAM case 0x58: op_tis(); break; // TIM case 0x59: op_ptw(); break; case 0x5a: op_ta0(); break; // SAO case 0x5b: op_tabl(); break; // SAL case 0x5c: op_tw(); break; case 0x5d: op_dtw(); break; case 0x5f: op_lbl(); break; // LAF case 0x60: op_comcn(); break; case 0x61: op_pdtw(); break; case 0x62: op_wr(); break; case 0x63: op_ws(); break; case 0x64: op_incb(); break; // INC case 0x65: op_idiv(); break; // SYN case 0x66: op_rc(); break; // CLC case 0x67: op_sc(); break; // STC case 0x68: op_rmf(); break; // CLL case 0x69: op_smf(); break; // LD0 case 0x6a: op_kta(); break; // ICD case 0x6b: op_bs0(); break; // *BS0 case 0x6c: op_decb(); break; // DEC case 0x6d: op_comcb(); break; // CMS case 0x6e: op_rtn0(); break; // RT case 0x6f: op_rtn1(); break; // RTS // extended opcodes case 0x5e: m_op = m_op << 8 | m_param; switch (m_param) { case 0x00: op_cend(); break; // HLT case 0x04: op_dta(); break; // LDF default: op_illegal(); break; } break; // 0x5e default: op_illegal(); break; } break; // 0xff } break; // 0xfc } // big switch }
void sm511_device::execute_one() { switch (m_op & 0xf0) { case 0x20: op_lax(); break; case 0x30: op_adx(); break; case 0x40: op_lb(); break; case 0x70: op_tl(); break; case 0x80: case 0x90: case 0xa0: case 0xb0: op_t(); break; case 0xc0: case 0xd0: case 0xe0: case 0xf0: op_tm(); break; default: switch (m_op & 0xfc) { case 0x04: op_rm(); break; case 0x0c: op_sm(); break; case 0x10: op_exc(); break; case 0x14: op_exci(); break; case 0x18: op_lda(); break; case 0x1c: op_excd(); break; case 0x54: op_tmi(); break; case 0x68: op_tml(); break; default: switch (m_op) { case 0x00: op_rot(); break; // case 0x01: op_xxx(); break; // ? case 0x02: op_sbm(); break; case 0x03: op_atpl(); break; case 0x08: op_add(); break; case 0x09: op_add11(); break; case 0x0a: op_coma(); break; case 0x0b: op_exbla(); break; case 0x50: op_kta(); break; case 0x51: op_tb(); break; case 0x52: op_tc(); break; case 0x53: op_tam(); break; case 0x58: op_tis(); break; case 0x59: op_atl(); break; case 0x5a: op_ta0(); break; case 0x5b: op_tabl(); break; case 0x5c: op_atx(); break; // case 0x5d: op_cend(); break; case 0x5e: op_tal(); break; case 0x5f: op_lbl(); break; case 0x61: op_pre(); break; case 0x62: op_wr(); break; case 0x63: op_ws(); break; case 0x64: op_incb(); break; // case 0x65: op_idiv(); break; case 0x66: op_rc(); break; case 0x67: op_sc(); break; case 0x6c: op_decb(); break; case 0x6d: op_ptw(); break; case 0x6e: op_rtn0(); break; case 0x6f: op_rtn1(); break; // extended opcodes case 0x60: m_op = m_op << 8 | m_param; switch (m_param) { case 0x30: op_rme(); break; case 0x31: op_sme(); break; case 0x32: op_tmel(); break; case 0x33: op_atfc(); break; case 0x34: op_bdc(); break; case 0x35: op_atbp(); break; default: op_illegal(); break; } break; // 0x60 default: op_illegal(); break; } break; // 0xff } break; // 0xfc } // big switch }
void sm510_device::execute_one() { switch (m_op & 0xf0) { case 0x20: op_lax(); break; case 0x30: op_adx(); break; case 0x40: op_lb(); break; case 0x80: case 0x90: case 0xa0: case 0xb0: op_t(); break; case 0xc0: case 0xd0: case 0xe0: case 0xf0: op_tm(); break; default: switch (m_op & 0xfc) { case 0x04: op_rm(); break; case 0x0c: op_sm(); break; case 0x10: op_exc(); break; case 0x14: op_exci(); break; case 0x18: op_lda(); break; case 0x1c: op_excd(); break; case 0x54: op_tmi(); break; case 0x70: case 0x74: case 0x78: op_tl(); break; case 0x7c: op_tml(); break; default: switch (m_op) { case 0x00: op_skip(); break; case 0x01: op_atbp(); break; case 0x02: op_sbm(); break; case 0x03: op_atpl(); break; case 0x08: op_add(); break; case 0x09: op_add11(); break; case 0x0a: op_coma(); break; case 0x0b: op_exbla(); break; case 0x51: op_tb(); break; case 0x52: op_tc(); break; case 0x53: op_tam(); break; case 0x58: op_tis(); break; case 0x59: op_atl(); break; case 0x5a: op_ta0(); break; case 0x5b: op_tabl(); break; case 0x5d: op_cend(); break; case 0x5e: op_tal(); break; case 0x5f: op_lbl(); break; case 0x60: op_atfc(); break; case 0x61: op_atr(); break; case 0x62: op_wr(); break; case 0x63: op_ws(); break; case 0x64: op_incb(); break; case 0x65: op_idiv(); break; case 0x66: op_rc(); break; case 0x67: op_sc(); break; case 0x68: op_tf1(); break; case 0x69: op_tf4(); break; case 0x6a: op_kta(); break; case 0x6b: op_rot(); break; case 0x6c: op_decb(); break; case 0x6d: op_bdc(); break; case 0x6e: op_rtn0(); break; case 0x6f: op_rtn1(); break; default: op_illegal(); break; } break; // 0xff } break; // 0xfc } // big switch // BM high bit is only valid for 1 step m_sbm = (m_op == 0x02); }