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Add segment limit checking to opcode F6 (16-bit version) as temporary workaround for hang when opening Windows 9x DOS box on Diamond Stealth 32.

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SarahW 2018-04-11 17:37:41 +01:00
commit bd06b5a1cc
1 changed files with 4 additions and 0 deletions
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4
src/x86_ops_misc.h
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@ -52,6 +52,10 @@ static int opF6_a16(uint32_t fetchdat)
int8_t temps; int8_t temps;
fetch_ea_16(fetchdat); fetch_ea_16(fetchdat);
if (cpu_mod != 3)
{
CHECK_READ(cpu_state.ea_seg, cpu_state.eaaddr, cpu_state.eaaddr);
}
dst = geteab(); if (cpu_state.abrt) return 1; dst = geteab(); if (cpu_state.abrt) return 1;
switch (rmdat & 0x38) switch (rmdat & 0x38)
{ {