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added assert to src/emu/cpu/i86/i86.c for known index out-of-bounds access (nw)

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Oliver Stöneberg 2014-04-02 16:10:03 +00:00
parent da2e4e2c00
commit 4796f476cb
1 changed files with 1 additions and 0 deletions
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src/emu/cpu/i86/i86.c
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@ -1354,6 +1354,7 @@ bool i8086_common_cpu_device::common_op(UINT8 op)
case 0x8c: // i_mov_wsreg case 0x8c: // i_mov_wsreg
m_modrm = fetch(); m_modrm = fetch();
assert(((m_modrm & 0x38) >> 3) >= 0 && ((m_modrm & 0x38) >> 3) < ARRAY_LENGTH(m_sregs));
PutRMWord(m_sregs[(m_modrm & 0x38) >> 3]); PutRMWord(m_sregs[(m_modrm & 0x38) >> 3]);
CLKM(MOV_RS,MOV_MS); CLKM(MOV_RS,MOV_MS);
break; break;