Defines starting with `d' in src/cpu

• D src/cpu/cpummu.h:39
• D3D src/cpu/sysconfig.h:38
• DBG_MMU_SANITY src/cpu/cpummu.c:42
• DBG_MMU_VERBOSE src/cpu/cpummu.c:41
• DEBUG_CD32CDTVIO src/cpu/newcpu.c:10
• DEBUG_FPP src/cpu/fpp.c:31
• DEBUGGER src/cpu/sysconfig.h:24
• DIR src/cpu/sysdeps.h:336
• dirent src/cpu/sysdeps.h:291
• DONT_HAVE_POSIX src/cpu/sysdeps.h:282