DEBUG_TRACE_F
#define DEBUG_TRACE() (M.x86.debug & DEBUG_TRACE_F)
M.x86.debug |= DEBUG_TRACE_F;
M.x86.debug &= ~DEBUG_TRACE_F;
return M.x86.debug |= DEBUG_STEP_F | DEBUG_DECODE_F | DEBUG_TRACE_F;
return M.x86.debug &= ~(DEBUG_STEP_F | DEBUG_DECODE_F | DEBUG_TRACE_F);