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GT-3429: Corrected issue with m68000 move instruction overwriting

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variables.
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ghidorahrex
2019-12-30 10:09:03 -05:00
parent 40d37fd7f4
commit c5f2fa286c
1 changed files with 3 additions and 3 deletions
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6
Ghidra/Processors/68000/data/languages/68000.sinc
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@@ -1076,9 +1076,9 @@ macro shiftCXFlags(cntreg) {
:lsr.l cntreg,regdn is op=14 & cntreg & op8=0 & op67=2 & op34=1 & regdn { getbit(CF,regdn,cntreg-1); shiftCXFlags(cntreg); regdn=regdn >>cntreg; resflags(regdn); }
:lsr eaw is (opbig=0xe2 & op67=3 & $(MEM_ALTER_ADDR_MODES))... & eaw { getbit(CF,eaw,0); shiftCXFlags(eaw); eaw=eaw >>1; resflags(eaw); }
:move.b eab,e2b is (op=1 & $(DAT_ALTER_ADDR_MODES2))... & eab ; e2b { build eab; build e2b; e2b = eab; resflags(eab); logflags(); }
:move.w eaw,e2w is (op=3 & $(DAT_ALTER_ADDR_MODES2))... & eaw ; e2w { build eaw; build e2w; e2w = eaw; resflags(eaw); logflags(); }
:move.l eal,e2l is (op=2 & $(DAT_ALTER_ADDR_MODES2))... & eal ; e2l { build eal; build e2l; e2l = eal; resflags(eal); logflags(); }
:move.b eab,e2b is (op=1 & $(DAT_ALTER_ADDR_MODES2))... & eab ; e2b { build eab; local tmp = eab; build e2b; e2b = tmp; resflags(tmp); logflags(); }
:move.w eaw,e2w is (op=3 & $(DAT_ALTER_ADDR_MODES2))... & eaw ; e2w { build eaw; local tmp = eaw; build e2w; e2w = tmp; resflags(tmp); logflags(); }
:move.l eal,e2l is (op=2 & $(DAT_ALTER_ADDR_MODES2))... & eal ; e2l { build eal; local tmp = eal; build e2l; e2l = tmp; resflags(tmp); logflags(); }
:move "CCR",eaw is (opbig=0x42 & op67=3 & $(DAT_ALTER_ADDR_MODES))... & eaw { packflags(SR); eaw = SR; }
:move eaw,"CCR" is (opbig=0x44 & op67=3 & $(DAT_ALTER_ADDR_MODES))... & eaw { unpackflags(eaw); }