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Added Pentium and Pentium MMX emulation.

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This commit is contained in:
TomW 2014-11-17 20:41:02 +00:00
commit 13226a2bd4
13 changed files with 1536 additions and 16 deletions
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22
src/codegen_timing_486.c
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@ -265,21 +265,25 @@ static inline int COUNT(int *c, int op_32)
return *c;
}
void codegen_timing_start()
void codegen_timing_486_block_start()
{
}
void codegen_timing_486_start()
{
timing_count = 0;
last_prefix = 0;
}
void codegen_timing_prefix(uint8_t prefix)
void codegen_timing_486_prefix(uint8_t prefix, uint32_t fetchdat)
{
timing_count += COUNT(opcode_timings[prefix], 0);
last_prefix = prefix;
}
void codegen_timing_opcode(uint8_t opcode, uint32_t fetchdat, int op_32)
void codegen_timing_486_opcode(uint8_t opcode, uint32_t fetchdat, int op_32)
{
static int **timings;
int **timings;
int mod3 = ((fetchdat & 0xc0) == 0xc0);
switch (last_prefix)
@ -358,8 +362,16 @@ void codegen_timing_opcode(uint8_t opcode, uint32_t fetchdat, int op_32)
codegen_block_cycles += timing_count;
}
void codegen_timing_block_end()
void codegen_timing_486_block_end()
{
}
codegen_timing_t codegen_timing_486 =
{
codegen_timing_486_start,
codegen_timing_486_prefix,
codegen_timing_486_opcode,
codegen_timing_486_block_start,
codegen_timing_486_block_end
};
#endif