filter-unref.awk

   1 BEGIN   {
   2                         ign["DDTZ_END"] = 1
   3                         ign["DEFVERS"] = 1
   4                         ign["P_MSG_ERROR"] = 1
   5
   6                         ign["I_ADC"] = 1
   7                         ign["I_ADD"] = 1
   8                         ign["I_AND"] = 1
   9                         ign["I_BIT"] = 1
  10                         ign["I_CALL"] = 1
  11                         ign["I_CCF"] = 1
  12                         ign["I_CP"] = 1
  13                         ign["I_CPD"] = 1
  14                         ign["I_CPDR"] = 1
  15                         ign["I_CPI"] = 1
  16                         ign["I_CPIR"] = 1
  17                         ign["I_CPL"] = 1
  18                         ign["I_DAA"] = 1
  19                         ign["I_DEC"] = 1
  20                         ign["I_DI"] = 1
  21                         ign["I_DJNZ"] = 1
  22                         ign["I_EI"] = 1
  23                         ign["I_EX"] = 1
  24                         ign["I_EXX"] = 1
  25                         ign["I_HALT"] = 1
  26                         ign["I_IM"] = 1
  27                         ign["I_IN"] = 1
  28                         ign["I_IN0"] = 1
  29                         ign["I_INC"] = 1
  30                         ign["I_IND"] = 1
  31                         ign["I_INDR"] = 1
  32                         ign["I_INI"] = 1
  33                         ign["I_INIR"] = 1
  34                         ign["I_JP"] = 1
  35                         ign["I_JR"] = 1
  36                         ign["I_LD"] = 1
  37                         ign["I_LDD"] = 1
  38                         ign["I_LDDR"] = 1
  39                         ign["I_LDI"] = 1
  40                         ign["I_LDIR"] = 1
  41                         ign["I_MLT"] = 1
  42                         ign["I_NEG"] = 1
  43                         ign["I_NOP"] = 1
  44                         ign["I_OR"] = 1
  45                         ign["I_OTDM"] = 1
  46                         ign["I_OTDMR"] = 1
  47                         ign["I_OTDR"] = 1
  48                         ign["I_OTIM"] = 1
  49                         ign["I_OTIMR"] = 1
  50                         ign["I_OTIR"] = 1
  51                         ign["I_OUT"] = 1
  52                         ign["I_OUT0"] = 1
  53                         ign["I_OUTD"] = 1
  54                         ign["I_OUTI"] = 1
  55                         ign["I_POP"] = 1
  56                         ign["I_PUSH"] = 1
  57                         ign["I_RES"] = 1
  58                         ign["I_RET"] = 1
  59                         ign["I_RETI"] = 1
  60                         ign["I_RETN"] = 1
  61                         ign["I_RL"] = 1
  62                         ign["I_RLA"] = 1
  63                         ign["I_RLC"] = 1
  64                         ign["I_RLCA"] = 1
  65                         ign["I_RLD"] = 1
  66                         ign["I_RR"] = 1
  67                         ign["I_RRA"] = 1
  68                         ign["I_RRC"] = 1
  69                         ign["I_RRCA"] = 1
  70                         ign["I_RRD"] = 1
  71                         ign["I_RST"] = 1
  72                         ign["I_SBC"] = 1
  73                         ign["I_SCF"] = 1
  74                         ign["I_SET"] = 1
  75                         ign["I_SLA"] = 1
  76                         ign["I_SLP"] = 1
  77                         ign["I_SRA"] = 1
  78                         ign["I_SRL"] = 1
  79                         ign["I_SUB"] = 1
  80                         ign["I_TST"] = 1
  81                         ign["I_TSTIO"] = 1
  82                         ign["I_XOR"] = 1
  83                         ign["O_ADC"] = 1
  84                         ign["O_ADD"] = 1
  85                         ign["O_AND"] = 1
  86                         ign["O_BIT"] = 1
  87                         ign["O_CALL"] = 1
  88                         ign["O_CCF"] = 1
  89                         ign["O_CP"] = 1
  90                         ign["O_CPD"] = 1
  91                         ign["O_CPDR"] = 1
  92                         ign["O_CPI"] = 1
  93                         ign["O_CPIR"] = 1
  94                         ign["O_CPL"] = 1
  95                         ign["O_DAA"] = 1
  96                         ign["O_DEC"] = 1
  97                         ign["O_DI"] = 1
  98                         ign["O_DJNZ"] = 1
  99                         ign["O_EI"] = 1
 100                         ign["O_EX"] = 1
 101                         ign["O_EXX"] = 1
 102                         ign["O_HALT"] = 1
 103                         ign["O_IM"] = 1
 104                         ign["O_IN"] = 1
 105                         ign["O_IN0"] = 1
 106                         ign["O_INC"] = 1
 107                         ign["O_IND"] = 1
 108                         ign["O_INDR"] = 1
 109                         ign["O_INI"] = 1
 110                         ign["O_INIR"] = 1
 111                         ign["O_JP"] = 1
 112                         ign["O_JR"] = 1
 113                         ign["O_LD"] = 1
 114                         ign["O_LDD"] = 1
 115                         ign["O_LDDR"] = 1
 116                         ign["O_LDI"] = 1
 117                         ign["O_LDIR"] = 1
 118                         ign["O_MLT"] = 1
 119                         ign["O_NEG"] = 1
 120                         ign["O_NOP"] = 1
 121                         ign["O_OR"] = 1
 122                         ign["O_OTDM"] = 1
 123                         ign["O_OTDMR"] = 1
 124                         ign["O_OTDR"] = 1
 125                         ign["O_OTIM"] = 1
 126                         ign["O_OTIMR"] = 1
 127                         ign["O_OTIR"] = 1
 128                         ign["O_OUT"] = 1
 129                         ign["O_OUT0"] = 1
 130                         ign["O_OUTD"] = 1
 131                         ign["O_OUTI"] = 1
 132                         ign["O_POP"] = 1
 133                         ign["O_PUSH"] = 1
 134                         ign["O_RES"] = 1
 135                         ign["O_RET"] = 1
 136                         ign["O_RETI"] = 1
 137                         ign["O_RETN"] = 1
 138                         ign["O_RL"] = 1
 139                         ign["O_RLA"] = 1
 140                         ign["O_RLC"] = 1
 141                         ign["O_RLCA"] = 1
 142                         ign["O_RLD"] = 1
 143                         ign["O_RR"] = 1
 144                         ign["O_RRA"] = 1
 145                         ign["O_RRC"] = 1
 146                         ign["O_RRCA"] = 1
 147                         ign["O_RRD"] = 1
 148                         ign["O_RST"] = 1
 149                         ign["O_SBC"] = 1
 150                         ign["O_SCF"] = 1
 151                         ign["O_SET"] = 1
 152                         ign["O_SLA"] = 1
 153                         ign["O_SLP"] = 1
 154                         ign["O_SRA"] = 1
 155                         ign["O_SRL"] = 1
 156                         ign["O_SUB"] = 1
 157                         ign["O_TST"] = 1
 158                         ign["O_TSTIO"] = 1
 159                         ign["O_XOR"] = 1
 160                 }
 161
 162 /\x1A/  { exit }
 163 /^Cross Reference/      { cross = 1 }
 164
 165                                 { if (cross != 1) next }
 166                                 { if ($2 in ign) next }
 167
 168 /^[0-9A-F]{4}/  { if (NF == 3)  printf "%s\n", $0 }