b48f7fcfb0
Not only is this a genuinely useful debugging tool, it looks very cool: $ ./scripts/dbgrbyd.py disk 4096 0 -j mdir 0x0, rev 1, size 73 off tag data (truncated) 00000004: gstate x01 4 aa aa aa aa .... <----. 0000000b: altblt x98 x4 -' | | 0000000e: gstate x04 4 bb bb bb bb .... <------. 00000015: altrlt x98 x4 -|-' | | 00000018: altbgt x7ee8 xe -' | | 0000001c: gstate x02 4 cc cc cc cc .... <. | | 00000023: altrlt x98 x4 -|---' | 00000026: altrlt x80 x1c -' | 00000029: altbgt x7e68 xe -------' 0000002d: gstate x03 4 dd dd dd dd .... 00000034: fcrc 5 05 3f aa db 01 .?... 0000003b: crc0 8 5c 12 29 d9 1b 1b 1b 1b \.).....