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drc: debug improvements

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This commit is contained in:
notaz 2013-07-21 01:56:45 +03:00
parent bf092a3631
commit 6d7979571d
6 changed files with 126 additions and 36 deletions
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24
cpu/sh2/mame/sh2pico.c
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@ -72,8 +72,13 @@ static unsigned int op_refs[0x10000];
int sh2_execute(SH2 *sh2, int cycles)
{
#ifdef DRC_CMP
unsigned int base_pc = 0, end_pc = 0;
unsigned char op_flags[BLOCK_INSN_LIMIT];
static unsigned int base_pc_[2] = { 0, 0 };
static unsigned int end_pc_[2] = { 0, 0 };
static unsigned char op_flags_[2][BLOCK_INSN_LIMIT];
unsigned int *base_pc = &base_pc_[sh2->is_slave];
unsigned int *end_pc = &end_pc_[sh2->is_slave];
unsigned char *op_flags = op_flags_[sh2->is_slave];
unsigned int pc_expect = sh2->pc;
#endif
UINT32 opcode;
@ -88,20 +93,23 @@ int sh2_execute(SH2 *sh2, int cycles)
{
#ifdef DRC_CMP
if (!sh2->delay) {
if (sh2->pc < base_pc || sh2->pc >= end_pc) {
base_pc = sh2->pc;
scan_block(base_pc, sh2->is_slave,
op_flags, &end_pc, NULL);
if (sh2->pc < *base_pc || sh2->pc >= *end_pc) {
*base_pc = sh2->pc;
scan_block(*base_pc, sh2->is_slave,
op_flags, end_pc, NULL);
}
if ((op_flags[(sh2->pc - base_pc) / 2]
& OF_BTARGET) || sh2->pc == base_pc)
if ((op_flags[(sh2->pc - *base_pc) / 2]
& OF_BTARGET) || sh2->pc == *base_pc
|| pc_expect != sh2->pc) // branched
{
pc_expect = sh2->pc;
if (sh2->icount < 0)
break;
}
do_sh2_trace(sh2, sh2->icount);
}
pc_expect += 2;
#endif
if (sh2->delay)