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Register operands on BOUND/LEA/LDS/LES/LFS/LGS/LSS now cause invalid opcode faults. Fixes NTVDM.

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This commit is contained in:
TomW 2014-04-27 11:40:03 +01:00
commit 81e24b9cb5
4 changed files with 31 additions and 0 deletions
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4
src/x86_ops_misc.h
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@ -539,6 +539,7 @@ static int opBOUND_w_a16(uint32_t fetchdat)
int16_t low, high;
fetch_ea_16(fetchdat);
ILLEGAL_ON(mod == 3);
low = geteaw();
high = readmemw(easeg, eaaddr + 2); if (abrt) return 0;
@ -555,6 +556,7 @@ static int opBOUND_w_a32(uint32_t fetchdat)
int16_t low, high;
fetch_ea_32(fetchdat);
ILLEGAL_ON(mod == 3);
low = geteaw();
high = readmemw(easeg, eaaddr + 2); if (abrt) return 0;
@ -572,6 +574,7 @@ static int opBOUND_l_a16(uint32_t fetchdat)
int32_t low, high;
fetch_ea_16(fetchdat);
ILLEGAL_ON(mod == 3);
low = geteal();
high = readmeml(easeg, eaaddr + 4); if (abrt) return 0;
@ -588,6 +591,7 @@ static int opBOUND_l_a32(uint32_t fetchdat)
int32_t low, high;
fetch_ea_32(fetchdat);
ILLEGAL_ON(mod == 3);
low = geteal();
high = readmeml(easeg, eaaddr + 4); if (abrt) return 0;