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Fixed 0fh prefix illegal instructions.

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This commit is contained in:
TomW 2013-08-03 20:40:56 +01:00
commit 8b0c55aec5
1 changed files with 1 additions and 16 deletions
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17
src/386_ops.h
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@ -112,20 +112,13 @@ static int op0F_w_a16(uint32_t fetchdat)
{ {
int opcode = fetchdat & 0xff; int opcode = fetchdat & 0xff;
pc++; pc++;
if (x86_opcodes_0f[opcode] == ILLEGAL && opcode != 0xff)
{
fatal("Illegal 0f instruction %02X w_a16\n", opcode);
}
return x86_opcodes_0f[opcode](fetchdat >> 8); return x86_opcodes_0f[opcode](fetchdat >> 8);
} }
static int op0F_l_a16(uint32_t fetchdat) static int op0F_l_a16(uint32_t fetchdat)
{ {
int opcode = fetchdat & 0xff; int opcode = fetchdat & 0xff;
pc++; pc++;
if (x86_opcodes_0f[opcode | 0x100] == ILLEGAL && opcode != 0xff)
{
fatal("Illegal 0f instruction %02X l_a16\n", opcode);
}
return x86_opcodes_0f[opcode | 0x100](fetchdat >> 8); return x86_opcodes_0f[opcode | 0x100](fetchdat >> 8);
} }
@ -133,10 +126,6 @@ static int op0F_w_a32(uint32_t fetchdat)
{ {
int opcode = fetchdat & 0xff; int opcode = fetchdat & 0xff;
pc++; pc++;
if (x86_opcodes_0f[opcode | 0x200] == ILLEGAL && opcode != 0xff)
{
fatal("Illegal 0f instruction %02X w_a32\n", opcode);
}
return x86_opcodes_0f[opcode | 0x200](fetchdat >> 8); return x86_opcodes_0f[opcode | 0x200](fetchdat >> 8);
} }
@ -144,10 +133,6 @@ static int op0F_l_a32(uint32_t fetchdat)
{ {
int opcode = fetchdat & 0xff; int opcode = fetchdat & 0xff;
pc++; pc++;
if (x86_opcodes_0f[opcode | 0x300] == ILLEGAL && opcode != 0xff)
{
fatal("Illegal 0f instruction %02X l_a32\n", opcode);
}
return x86_opcodes_0f[opcode | 0x300](fetchdat >> 8); return x86_opcodes_0f[opcode | 0x300](fetchdat >> 8);
} }