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Modified coldfire TPF instructions to jumps

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ghidorahrex
2022-06-07 13:37:26 +00:00
parent c6cb8a0d85
commit f1be7a7e4e
1 changed files with 7 additions and 3 deletions
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Ghidra/Processors/68000/data/languages/68000.sinc
+7 -3
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@@ -1229,9 +1229,13 @@ macro shiftCXFlags(cntreg) {
:sats.l regdn is opbig=0x4c & op37=0x10 & regdn { if (VF == 0) goto inst_next; regdn = (zext(regdn == 0 ) * 0x80000000) + (zext(regdn != 0) * 0x7fffffff); VF=0; CF=0; }
:tpf is opbig=0x51 & op37=0x1f & op02=4 { } # nop
:tpf.w const16 is opbig=0x51 & op37=0x1f & op02=2; const16 { } # nop + 1 word
:tpf.l const32 is opbig=0x51 & op37=0x1f & op02=3; const32 { } # nop + 2 word
skip_addr: skipAddr is op02=2 [skipAddr = inst_next + 2;] { export *[ram]:4 skipAddr; }
skip_addr: skipAddr is op02=3 [skipAddr = inst_next + 4;] { export *[ram]:4 skipAddr; }
# TPF.w/l is occassionally used as a branch over a valid instruction.
:tpf is opbig=0x51 & op37=0x1f & op02=4 { } # nop
:tpf.w is opbig=0x51 & op37=0x1f & op02=2 & skip_addr { goto skip_addr; } # nop + 1 word
:tpf.l is opbig=0x51 & op37=0x1f & op02=3 & skip_addr { goto skip_addr; } # nop + 2 word
@endif # COLDFIRE
# Tables for register lists, for the movem instruction