home *** CD-ROM | disk | FTP | other *** search
MacBinary | 1990-02-21 | 5.8 KB | [TEXT/MPS ] |
open in:
MacOS 8.1
|
Win98
|
DOS
browse contents |
view JSON data
|
view as text
This file was processed as: MacBinary
(archive/macBinary).
Confidence | Program | Detection | Match Type | Support
|
---|
10%
| dexvert
| MacBinary (archive/macBinary)
| fallback
| Supported |
1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
100%
| file
| MacBinary II, Wed Feb 21 09:04:45 1990, modified Wed Feb 21 09:04:45 1990, creator 'MPS ', type ASCII, 5281 bytes "PROBLEMS" , at 0x1521 382 bytes resource
| default (weak)
| |
99%
| file
| data
| default
| |
74%
| TrID
| Macintosh plain text (MacBinary)
| default
| |
25%
| TrID
| MacBinary 2
| default (weak)
| |
100%
| siegfried
| fmt/1762 MacBinary (II)
| default
| |
100%
| lsar
| MacBinary
| default
|
|
id metadata |
---|
key | value |
---|
macFileType | [TEXT] |
macFileCreator | [MPS ] |
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 08 50 52 4f 42 4c 45 | 4d 53 00 00 00 00 00 00 |..PROBLE|MS......|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 54 45 58 54 4d 50 53 | 20 00 00 00 00 00 00 00 |.TEXTMPS| .......|
|00000050| 00 00 00 00 00 14 a1 00 | 00 01 7e a2 08 50 7d a2 |........|..~..P}.|
|00000060| 08 50 7d 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.P}.....|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 b0 2c 00 00 |........|.....,..|
|00000080| 33 2e 20 57 68 65 6e 20 | 66 69 6e 64 5f 72 65 6c |3. When |find_rel|
|00000090| 6f 61 64 73 20 69 73 20 | 75 73 65 64 20 74 6f 20 |oads is |used to |
|000000a0| 63 6f 75 6e 74 20 6e 75 | 6d 62 65 72 20 6f 66 20 |count nu|mber of |
|000000b0| 73 70 69 6c 6c 73 20 6e | 65 65 64 65 64 0d 69 74 |spills n|eeded.it|
|000000c0| 20 64 6f 65 73 20 6e 6f | 74 20 74 61 6b 65 20 69 | does no|t take i|
|000000d0| 6e 74 6f 20 61 63 63 6f | 75 6e 74 20 74 68 65 20 |nto acco|unt the |
|000000e0| 66 61 63 74 20 74 68 61 | 74 20 61 20 72 65 6c 6f |fact tha|t a relo|
|000000f0| 61 64 20 6d 61 79 0d 74 | 75 72 6e 20 6f 75 74 20 |ad may.t|urn out |
|00000100| 74 6f 20 62 65 20 61 20 | 64 75 6d 6d 79 2e 0d 0d |to be a |dummy...|
|00000110| 49 27 6d 20 6e 6f 74 20 | 73 75 72 65 20 74 68 69 |I'm not |sure thi|
|00000120| 73 20 72 65 61 6c 6c 79 | 20 68 61 70 70 65 6e 73 |s really| happens|
|00000130| 20 61 6e 79 20 6d 6f 72 | 65 2e 20 20 44 6f 65 73 | any mor|e. Does|
|00000140| 6e 27 74 20 69 74 20 66 | 69 6e 64 0d 61 6c 6c 20 |n't it f|ind.all |
|00000150| 74 68 65 20 64 75 6d 6d | 69 65 73 20 6f 6e 20 62 |the dumm|ies on b|
|00000160| 6f 74 68 20 70 61 73 73 | 65 73 3f 0d 0d 31 30 2e |oth pass|es?..10.|
|00000170| 20 20 20 20 20 6d 6f 76 | 6c 20 61 33 40 2c 61 30 | mov|l a3@,a0|
|00000180| 0d 09 6d 6f 76 6c 20 61 | 33 40 28 31 36 29 2c 61 |..movl a|3@(16),a|
|00000190| 31 0d 09 63 6c 72 62 20 | 61 30 40 28 61 31 3a 6c |1..clrb |a0@(a1:l|
|000001a0| 29 0d 69 73 20 67 65 6e | 65 72 61 74 65 64 20 61 |).is gen|erated a|
|000001b0| 6e 64 20 6d 61 79 20 62 | 65 20 77 6f 72 73 65 20 |nd may b|e worse |
|000001c0| 74 68 61 6e 0d 09 6d 6f | 76 6c 20 61 33 40 2c 61 |than..mo|vl a3@,a|
|000001d0| 30 0d 09 61 64 64 6c 20 | 61 33 40 28 31 36 29 2c |0..addl |a3@(16),|
|000001e0| 61 30 0d 09 63 6c 72 62 | 20 61 30 40 0d 49 66 20 |a0..clrb| a0@.If |
|000001f0| 6f 72 64 65 72 69 6e 67 | 20 6f 66 20 6f 70 65 72 |ordering| of oper|
|00000200| 61 6e 64 73 20 69 73 20 | 69 6d 70 72 6f 76 65 64 |ands is |improved|
|00000210| 2c 20 6d 61 6e 79 20 6d | 6f 72 65 0d 73 75 63 68 |, many m|ore.such|
|00000220| 20 63 61 73 65 73 20 77 | 69 6c 6c 20 62 65 20 67 | cases w|ill be g|
|00000230| 65 6e 65 72 61 74 65 64 | 20 66 72 6f 6d 20 74 79 |enerated| from ty|
|00000240| 70 69 63 61 6c 20 61 72 | 72 61 79 20 61 63 63 65 |pical ar|ray acce|
|00000250| 73 73 65 73 2e 0d 0d 32 | 33 2e 20 28 6d 65 6d 6f |sses...2|3. (memo|
|00000260| 72 79 20 3e 3e 20 32 34 | 29 20 61 6e 64 20 28 6d |ry >> 24|) and (m|
|00000270| 65 6d 6f 72 79 20 3e 3e | 20 32 34 29 20 3d 3d 20 |emory >>| 24) == |
|00000280| 43 4f 4e 53 54 20 20 6f | 70 74 69 6d 69 7a 61 74 |CONST o|ptimizat|
|00000290| 69 6f 6e 73 0d 6f 75 67 | 68 74 20 74 6f 20 62 65 |ions.oug|ht to be|
|000002a0| 20 64 6f 6e 65 20 6d 61 | 63 68 69 6e 65 20 69 6e | done ma|chine in|
|000002b0| 64 65 70 65 6e 64 65 6e | 74 6c 79 2e 0d 0d 33 38 |dependen|tly...38|
|000002c0| 2e 20 48 61 63 6b 20 65 | 78 70 61 6e 64 5f 6d 75 |. Hack e|xpand_mu|
|000002d0| 6c 74 20 73 6f 20 74 68 | 61 74 20 69 66 20 74 68 |lt so th|at if th|
|000002e0| 65 72 65 20 69 73 20 6e | 6f 20 73 61 6d 65 2d 6d |ere is n|o same-m|
|000002f0| 6f 64 65 73 20 6d 75 6c | 74 69 70 6c 79 0d 69 74 |odes mul|tiply.it|
|00000300| 20 77 69 6c 6c 20 75 73 | 65 20 61 20 77 69 64 65 | will us|e a wide|
|00000310| 6e 69 6e 67 20 6d 75 6c | 74 69 70 6c 79 20 61 6e |ning mul|tiply an|
|00000320| 64 20 74 68 65 6e 20 74 | 72 75 6e 63 61 74 65 20 |d then t|runcate |
|00000330| 72 61 74 68 65 72 20 74 | 68 61 6e 0d 63 61 6c 6c |rather t|han.call|
|00000340| 69 6e 67 20 74 68 65 20 | 6c 69 62 72 61 72 79 2e |ing the |library.|
|00000350| 0d 0d 33 39 2e 20 48 61 | 63 6b 20 65 78 70 61 6e |..39. Ha|ck expan|
|00000360| 64 69 6e 67 20 6f 66 20 | 64 69 76 69 73 69 6f 6e |ding of |division|
|00000370| 20 74 6f 20 6e 6f 74 69 | 63 65 20 63 61 73 65 73 | to noti|ce cases|
|00000380| 20 66 6f 72 0d 6c 6f 6e | 67 20 2d 3e 20 73 68 6f | for.lon|g -> sho|
|00000390| 72 74 20 64 69 76 69 73 | 69 6f 6e 2e 0d 0d 34 30 |rt divis|ion...40|
|000003a0| 2e 20 52 65 70 72 65 73 | 65 6e 74 20 64 69 76 69 |. Repres|ent divi|
|000003b0| 64 65 20 69 6e 73 6e 73 | 20 61 73 20 28 44 49 56 |de insns| as (DIV|
|000003c0| 3a 53 49 20 2e 2e 2e 29 | 20 66 6f 6c 6c 6f 77 65 |:SI ...)| followe|
|000003d0| 64 20 62 79 0d 61 20 73 | 65 70 61 72 61 74 65 20 |d by.a s|eparate |
|000003e0| 6c 6f 77 70 61 72 74 20 | 65 78 74 72 61 63 74 2e |lowpart |extract.|
|000003f0| 20 20 52 65 70 72 65 73 | 65 6e 74 20 72 65 6d 61 | Repres|ent rema|
|00000400| 69 6e 64 65 72 20 69 6e | 73 6e 73 20 61 73 20 44 |inder in|sns as D|
|00000410| 49 56 3a 53 49 0d 66 6f | 6c 6c 6f 77 65 64 20 62 |IV:SI.fo|llowed b|
|00000420| 79 20 61 20 73 65 70 61 | 72 61 74 65 20 68 69 67 |y a sepa|rate hig|
|00000430| 68 70 61 72 74 20 65 78 | 74 72 61 63 74 2e 20 20 |hpart ex|tract. |
|00000440| 54 68 65 6e 20 63 73 65 | 20 63 61 6e 20 77 6f 72 |Then cse| can wor|
|00000450| 6b 20 6f 6e 0d 74 68 65 | 20 44 49 56 3a 53 49 20 |k on.the| DIV:SI |
|00000460| 70 61 72 74 2e 20 20 50 | 72 6f 62 6c 65 6d 20 69 |part. P|roblem i|
|00000470| 73 2c 20 74 68 69 73 20 | 6d 61 79 20 6e 6f 74 20 |s, this |may not |
|00000480| 62 65 20 64 65 73 69 72 | 61 62 6c 65 20 6f 6e 20 |be desir|able on |
|00000490| 6d 61 63 68 69 6e 65 73 | 0d 77 68 65 72 65 20 63 |machines|.where c|
|000004a0| 6f 6d 70 75 74 69 6e 67 | 20 74 68 65 20 71 75 6f |omputing| the quo|
|000004b0| 74 69 65 6e 74 20 61 6c | 6f 6e 65 20 64 6f 65 73 |tient al|one does|
|000004c0| 20 6e 6f 74 20 6e 65 63 | 65 73 73 61 72 69 6c 79 | not nec|essarily|
|000004d0| 20 67 69 76 65 0d 61 20 | 72 65 6d 61 69 6e 64 65 | give.a |remainde|
|000004e0| 72 2d 2d 73 75 63 68 20 | 61 73 20 74 68 65 20 36 |r--such |as the 6|
|000004f0| 38 30 32 30 20 66 6f 72 | 20 6c 6f 6e 67 20 6f 70 |8020 for| long op|
|00000500| 65 72 61 6e 64 73 2e 0d | 0d 34 32 2e 20 49 6e 20 |erands..|.42. In |
|00000510| 73 75 62 73 74 20 69 6e | 20 63 6f 6d 62 69 6e 65 |subst in| combine|
|00000520| 2e 63 20 61 74 20 6c 69 | 6e 65 20 37 30 34 20 6f |.c at li|ne 704 o|
|00000530| 72 20 73 6f 2c 20 61 20 | 72 65 67 20 74 68 61 74 |r so, a |reg that|
|00000540| 20 72 65 61 6c 6c 79 0d | 77 61 6e 74 73 20 61 6e | really.|wants an|
|00000550| 20 61 72 65 67 20 67 65 | 74 73 20 61 20 64 72 65 | areg ge|ts a dre|
|00000560| 67 2e 20 20 49 74 20 69 | 73 20 69 2a 34 2c 20 66 |g. It i|s i*4, f|
|00000570| 6f 72 20 69 6e 64 65 78 | 69 6e 67 2e 20 20 57 68 |or index|ing. Wh|
|00000580| 79 3f 0d 0d 35 32 2e 20 | 52 65 6c 6f 61 64 69 6e |y?..52. |Reloadin|
|00000590| 67 20 63 61 6e 20 6c 6f | 6f 6b 20 61 74 20 68 6f |g can lo|ok at ho|
|000005a0| 77 20 72 65 6c 6f 61 64 | 5f 63 6f 6e 74 65 6e 74 |w reload|_content|
|000005b0| 73 20 67 6f 74 20 73 65 | 74 20 75 70 2e 0d 49 66 |s got se|t up..If|
|000005c0| 20 69 74 20 77 61 73 20 | 63 6f 70 69 65 64 20 66 | it was |copied f|
|000005d0| 72 6f 6d 20 61 20 72 65 | 67 69 73 74 65 72 2c 20 |rom a re|gister, |
|000005e0| 6a 75 73 74 20 72 65 6c | 6f 61 64 20 66 72 6f 6d |just rel|oad from|
|000005f0| 20 74 68 61 74 20 72 65 | 67 69 73 74 65 72 2e 0d | that re|gister..|
|00000600| 4f 74 68 65 72 77 69 73 | 65 2c 20 70 65 72 68 61 |Otherwis|e, perha|
|00000610| 70 73 20 63 61 6e 20 63 | 68 61 6e 67 65 20 74 68 |ps can c|hange th|
|00000620| 65 20 70 72 65 76 69 6f | 75 73 20 69 6e 73 6e 20 |e previo|us insn |
|00000630| 74 6f 20 6d 6f 76 65 20 | 74 68 65 0d 64 61 74 61 |to move |the.data|
|00000640| 20 76 69 61 20 74 68 65 | 20 72 65 6c 6f 61 64 20 | via the| reload |
|00000650| 72 65 67 2c 20 74 68 75 | 73 20 61 76 6f 69 64 69 |reg, thu|s avoidi|
|00000660| 6e 67 20 6f 6e 65 20 6d | 65 6d 6f 72 79 20 72 65 |ng one m|emory re|
|00000670| 66 2e 0d 0d 35 33 2e 20 | 4b 6e 6f 77 20 74 68 61 |f...53. |Know tha|
|00000680| 74 20 63 65 72 74 61 69 | 6e 20 6c 69 62 72 61 72 |t certai|n librar|
|00000690| 79 20 72 6f 75 74 69 6e | 65 73 20 64 6f 20 6e 6f |y routin|es do no|
|000006a0| 74 20 63 6c 6f 62 62 65 | 72 20 6d 65 6d 6f 72 79 |t clobbe|r memory|
|000006b0| 2e 0d 0d 36 33 2e 20 50 | 6f 74 65 6e 74 69 61 6c |...63. P|otential|
|000006c0| 20 70 72 6f 62 6c 65 6d | 20 69 6e 20 63 63 5f 73 | problem| in cc_s|
|000006d0| 74 61 74 75 73 2e 76 61 | 6c 75 65 32 2c 20 69 66 |tatus.va|lue2, if|
|000006e0| 20 69 74 20 65 76 65 72 | 20 61 63 74 69 76 61 74 | it ever| activat|
|000006f0| 65 73 20 69 74 73 65 6c | 66 0d 61 66 74 65 72 20 |es itsel|f.after |
|00000700| 61 20 74 77 6f 2d 61 64 | 64 72 65 73 73 20 73 75 |a two-ad|dress su|
|00000710| 62 74 72 61 63 74 69 6f | 6e 20 28 77 68 69 63 68 |btractio|n (which|
|00000720| 20 63 75 72 72 65 6e 74 | 6c 79 20 63 61 6e 6e 6f | current|ly canno|
|00000730| 74 20 68 61 70 70 65 6e | 29 2e 0d 49 74 20 69 73 |t happen|)..It is|
|00000740| 20 73 75 70 70 6f 73 65 | 64 20 74 6f 20 63 6f 6d | suppose|d to com|
|00000750| 70 61 72 65 20 74 68 65 | 20 63 75 72 72 65 6e 74 |pare the| current|
|00000760| 20 76 61 6c 75 65 20 6f | 66 20 74 68 65 20 64 65 | value o|f the de|
|00000770| 73 74 69 6e 61 74 69 6f | 6e 0d 62 75 74 20 65 6c |stinatio|n.but el|
|00000780| 69 6d 69 6e 61 74 69 6e | 67 20 69 74 20 77 6f 75 |iminatin|g it wou|
|00000790| 6c 64 20 75 73 65 20 74 | 68 65 20 72 65 73 75 6c |ld use t|he resul|
|000007a0| 74 73 20 6f 66 20 74 68 | 65 20 73 75 62 74 72 61 |ts of th|e subtra|
|000007b0| 63 74 69 6f 6e 2c 20 65 | 71 75 69 76 61 6c 65 6e |ction, e|quivalen|
|000007c0| 74 0d 74 6f 20 63 6f 6d | 70 61 72 69 6e 67 20 74 |t.to com|paring t|
|000007d0| 68 65 20 70 72 65 76 69 | 6f 75 73 20 76 61 6c 75 |he previ|ous valu|
|000007e0| 65 20 6f 66 20 74 68 65 | 20 64 65 73 74 69 6e 61 |e of the| destina|
|000007f0| 74 69 6f 6e 2e 0d 0d 36 | 35 2e 20 53 68 6f 75 6c |tion...6|5. Shoul|
|00000800| 64 20 6c 6f 6f 70 73 20 | 74 68 61 74 20 6e 65 69 |d loops |that nei|
|00000810| 74 68 65 72 20 73 74 61 | 72 74 20 6e 6f 72 20 65 |ther sta|rt nor e|
|00000820| 6e 64 20 77 69 74 68 20 | 61 20 62 72 65 61 6b 0d |nd with |a break.|
|00000830| 62 65 20 72 65 61 72 72 | 61 6e 67 65 64 20 74 6f |be rearr|anged to|
|00000840| 20 65 6e 64 20 77 69 74 | 68 20 74 68 65 20 6c 61 | end wit|h the la|
|00000850| 73 74 20 62 72 65 61 6b | 3f 0d 0d 36 39 2e 20 44 |st break|?..69. D|
|00000860| 65 66 69 6e 65 20 74 68 | 65 20 66 6c 6f 61 74 69 |efine th|e floati|
|00000870| 6e 67 20 70 6f 69 6e 74 | 20 63 6f 6e 76 65 72 74 |ng point| convert|
|00000880| 69 6e 67 20 61 72 69 74 | 68 6d 65 74 69 63 20 69 |ing arit|hmetic i|
|00000890| 6e 73 74 72 75 63 74 69 | 6f 6e 73 0d 66 6f 72 20 |nstructi|ons.for |
|000008a0| 74 68 65 20 36 38 38 38 | 31 2e 0d 0d 37 34 2e 20 |the 6888|1...74. |
|000008b0| 43 6f 6d 62 69 6e 65 20 | 6c 6f 6f 70 20 6f 70 74 |Combine |loop opt|
|000008c0| 20 77 69 74 68 20 63 73 | 65 20 6f 70 74 20 69 6e | with cs|e opt in|
|000008d0| 20 6f 6e 65 20 70 61 73 | 73 2e 20 20 44 6f 20 63 | one pas|s. Do c|
|000008e0| 73 65 20 6f 6e 20 65 61 | 63 68 20 6c 6f 6f 70 2c |se on ea|ch loop,|
|000008f0| 0d 74 68 65 6e 20 6c 6f | 6f 70 20 6f 70 74 20 6f |.then lo|op opt o|
|00000900| 6e 20 74 68 61 74 20 6c | 6f 6f 70 2c 20 61 6e 64 |n that l|oop, and|
|00000910| 20 67 6f 20 66 72 6f 6d | 20 69 6e 6e 65 72 6d 6f | go from| innermo|
|00000920| 73 74 20 6c 6f 6f 70 73 | 20 6f 75 74 77 61 72 64 |st loops| outward|
|00000930| 2e 0d 4d 61 6b 65 20 6c | 6f 6f 70 20 69 6e 76 61 |..Make l|oop inva|
|00000940| 72 69 61 6e 74 73 20 61 | 76 61 69 6c 61 62 6c 65 |riants a|vailable|
|00000950| 20 66 6f 72 20 63 73 65 | 20 61 74 20 65 6e 64 20 | for cse| at end |
|00000960| 6f 66 20 6c 6f 6f 70 2e | 0d 0d 38 35 2e 20 70 65 |of loop.|..85. pe|
|00000970| 61 20 63 61 6e 20 66 6f | 72 63 65 20 61 20 76 61 |a can fo|rce a va|
|00000980| 6c 75 65 20 74 6f 20 62 | 65 20 72 65 6c 6f 61 64 |lue to b|e reload|
|00000990| 65 64 20 69 6e 74 6f 20 | 61 6e 20 61 72 65 67 0d |ed into |an areg.|
|000009a0| 77 68 69 63 68 20 63 61 | 6e 20 6d 61 6b 65 20 69 |which ca|n make i|
|000009b0| 74 20 77 6f 72 73 65 20 | 74 68 61 6e 20 73 65 70 |t worse |than sep|
|000009c0| 61 72 61 74 65 20 61 64 | 64 69 6e 67 20 61 6e 64 |arate ad|ding and|
|000009d0| 20 70 75 73 68 69 6e 67 | 2e 0d 54 68 69 73 20 63 | pushing|..This c|
|000009e0| 61 6e 20 6f 6e 6c 79 20 | 68 61 70 70 65 6e 20 66 |an only |happen f|
|000009f0| 6f 72 20 61 64 64 69 6e | 67 20 73 6f 6d 65 74 68 |or addin|g someth|
|00000a00| 69 6e 67 20 77 69 74 68 | 69 6e 20 61 64 64 71 6c |ing with|in addql|
|00000a10| 20 72 61 6e 67 65 0d 61 | 6e 64 20 69 74 20 6f 6e | range.a|nd it on|
|00000a20| 6c 79 20 6c 6f 73 65 73 | 20 69 66 20 74 68 65 20 |ly loses| if the |
|00000a30| 71 74 79 20 62 65 63 6f | 6d 65 73 20 64 65 61 64 |qty beco|mes dead|
|00000a40| 20 61 74 20 74 68 61 74 | 20 70 6f 69 6e 74 0d 73 | at that| point.s|
|00000a50| 6f 20 69 74 20 63 61 6e | 20 62 65 20 61 64 64 65 |o it can| be adde|
|00000a60| 64 20 74 6f 20 77 69 74 | 68 20 6e 6f 20 63 6f 70 |d to wit|h no cop|
|00000a70| 79 69 6e 67 2e 0d 0d 39 | 33 2e 20 49 66 20 61 20 |ying...9|3. If a |
|00000a80| 70 73 65 75 64 6f 20 64 | 6f 65 73 6e 27 74 20 67 |pseudo d|oesn't g|
|00000a90| 65 74 20 61 20 68 61 72 | 64 20 72 65 67 20 65 76 |et a har|d reg ev|
|00000aa0| 65 72 79 77 68 65 72 65 | 2c 0d 63 61 6e 20 69 74 |erywhere|,.can it|
|00000ab0| 20 67 65 74 20 6f 6e 65 | 20 64 75 72 69 6e 67 20 | get one| during |
|00000ac0| 61 20 6c 6f 6f 70 3f 0d | 0d 39 35 2e 20 43 61 6e |a loop?.|.95. Can|
|00000ad0| 20 73 69 6d 70 6c 69 66 | 79 20 73 68 69 66 74 20 | simplif|y shift |
|00000ae0| 6f 66 20 72 65 73 75 6c | 74 20 6f 66 20 61 20 62 |of resul|t of a b|
|00000af0| 66 65 78 74 75 2e 20 20 | 53 65 65 20 74 65 73 74 |fextu. |See test|
|00000b00| 75 6e 73 66 6c 64 2e 63 | 2e 0d 4c 69 6b 65 77 69 |unsfld.c|..Likewi|
|00000b10| 73 65 20 61 6e 64 20 6f | 66 20 72 65 73 75 6c 74 |se and o|f result|
|00000b20| 20 6f 66 20 61 20 62 66 | 65 78 74 75 2e 20 20 53 | of a bf|extu. S|
|00000b30| 65 65 20 68 79 70 68 2e | 63 2e 0d 0d 39 36 2e 20 |ee hyph.|c...96. |
|00000b40| 43 61 6e 20 64 6f 20 53 | 49 6d 6f 64 65 20 62 69 |Can do S|Imode bi|
|00000b50| 74 66 69 65 6c 64 20 69 | 6e 73 6e 73 20 77 69 74 |tfield i|nsns wit|
|00000b60| 68 6f 75 74 20 72 65 6c | 6f 61 64 69 6e 67 2c 20 |hout rel|oading, |
|00000b70| 62 75 74 20 6d 75 73 74 | 0d 61 6c 74 65 72 20 74 |but must|.alter t|
|00000b80| 68 65 20 6f 70 65 72 61 | 6e 64 73 20 69 6e 20 73 |he opera|nds in s|
|00000b90| 70 65 63 69 61 6c 20 77 | 61 79 73 2e 0d 0d 39 39 |pecial w|ays...99|
|00000ba0| 2e 20 66 69 6e 61 6c 20 | 63 6f 75 6c 64 20 63 68 |. final |could ch|
|00000bb0| 65 63 6b 20 6c 6f 6f 70 | 2d 65 6e 74 72 79 20 62 |eck loop|-entry b|
|00000bc0| 72 61 6e 63 68 65 73 20 | 74 6f 20 73 65 65 20 69 |ranches |to see i|
|00000bd0| 66 20 74 68 65 79 0d 73 | 63 72 65 77 20 75 70 20 |f they.s|crew up |
|00000be0| 64 65 6c 65 74 69 6f 6e | 20 6f 66 20 61 20 74 65 |deletion| of a te|
|00000bf0| 73 74 20 69 6e 73 74 72 | 75 63 74 69 6f 6e 2e 20 |st instr|uction. |
|00000c00| 20 49 66 20 74 68 65 79 | 20 64 6f 2c 0d 63 61 6e | If they| do,.can|
|00000c10| 20 70 75 74 20 61 6e 6f | 74 68 65 72 20 74 65 73 | put ano|ther tes|
|00000c20| 74 20 69 6e 73 74 72 75 | 63 74 69 6f 6e 20 62 65 |t instru|ction be|
|00000c30| 66 6f 72 65 20 74 68 65 | 20 62 72 61 6e 63 68 20 |fore the| branch |
|00000c40| 61 6e 64 0d 6d 61 6b 65 | 20 69 74 20 63 6f 6e 64 |and.make| it cond|
|00000c50| 69 74 69 6f 6e 61 6c 20 | 61 6e 64 20 72 65 64 69 |itional |and redi|
|00000c60| 72 65 63 74 20 69 74 2e | 0d 0d 31 30 36 2e 20 41 |rect it.|..106. A|
|00000c70| 6c 69 61 73 69 6e 67 20 | 6d 61 79 20 62 65 20 69 |liasing |may be i|
|00000c80| 6d 70 6f 73 73 69 62 6c | 65 20 69 66 20 64 61 74 |mpossibl|e if dat|
|00000c90| 61 20 74 79 70 65 73 20 | 6f 66 20 72 65 66 73 20 |a types |of refs |
|00000ca0| 64 69 66 66 65 72 0d 61 | 6e 64 20 64 61 74 61 20 |differ.a|nd data |
|00000cb0| 74 79 70 65 20 6f 66 20 | 63 6f 6e 74 61 69 6e 69 |type of |containi|
|00000cc0| 6e 67 20 6f 62 6a 65 63 | 74 73 20 61 6c 73 6f 20 |ng objec|ts also |
|00000cd0| 64 69 66 66 65 72 2e 0d | 28 42 75 74 20 63 68 65 |differ..|(But che|
|00000ce0| 63 6b 20 74 68 69 73 20 | 77 72 74 20 75 6e 69 6f |ck this |wrt unio|
|00000cf0| 6e 73 2e 29 0d 0d 31 30 | 38 2e 20 43 61 6e 20 73 |ns.)..10|8. Can s|
|00000d00| 70 65 65 64 20 75 70 20 | 66 6c 6f 77 20 61 6e 61 |peed up |flow ana|
|00000d10| 6c 79 73 69 73 20 62 79 | 20 6d 61 6b 69 6e 67 20 |lysis by| making |
|00000d20| 61 20 74 61 62 6c 65 20 | 73 61 79 69 6e 67 20 77 |a table |saying w|
|00000d30| 68 69 63 68 0d 72 65 67 | 69 73 74 65 72 20 69 73 |hich.reg|ister is|
|00000d40| 20 73 65 74 20 61 6e 64 | 20 77 68 69 63 68 20 72 | set and| which r|
|00000d50| 65 67 69 73 74 65 72 73 | 20 61 72 65 20 75 73 65 |egisters| are use|
|00000d60| 64 20 62 79 20 65 61 63 | 68 20 69 6e 73 74 72 75 |d by eac|h instru|
|00000d70| 63 74 69 6f 6e 20 74 68 | 61 74 0d 6f 6e 6c 79 20 |ction th|at.only |
|00000d80| 73 65 74 73 20 6f 6e 65 | 20 72 65 67 69 73 74 65 |sets one| registe|
|00000d90| 72 20 61 6e 64 20 6f 6e | 6c 79 20 75 73 65 73 20 |r and on|ly uses |
|00000da0| 74 77 6f 2e 20 20 54 68 | 69 73 20 77 61 79 20 61 |two. Th|is way a|
|00000db0| 76 6f 69 64 20 74 68 65 | 20 74 72 65 65 0d 77 61 |void the| tree.wa|
|00000dc0| 6c 6b 20 66 6f 72 20 73 | 75 63 68 20 69 6e 73 74 |lk for s|uch inst|
|00000dd0| 72 75 63 74 69 6f 6e 73 | 20 28 6d 6f 73 74 20 69 |ructions| (most i|
|00000de0| 6e 73 74 72 75 63 74 69 | 6f 6e 73 29 2e 0d 0d 31 |nstructi|ons)...1|
|00000df0| 30 39 2e 20 49 74 20 69 | 73 20 64 65 73 69 72 61 |09. It i|s desira|
|00000e00| 62 6c 65 20 74 6f 20 61 | 76 6f 69 64 20 63 6f 6e |ble to a|void con|
|00000e10| 76 65 72 74 69 6e 67 20 | 49 4e 44 45 58 20 74 6f |verting |INDEX to|
|00000e20| 20 53 49 6d 6f 64 65 20 | 69 66 20 61 0d 6e 61 72 | SImode |if a.nar|
|00000e30| 72 6f 77 65 72 20 6d 6f | 64 65 20 73 75 66 66 69 |rower mo|de suffi|
|00000e40| 63 65 73 2c 20 61 73 20 | 48 49 6d 6f 64 65 20 64 |ces, as |HImode d|
|00000e50| 6f 65 73 20 6f 6e 20 74 | 68 65 20 36 38 30 30 30 |oes on t|he 68000|
|00000e60| 2e 0d 48 6f 77 20 63 61 | 6e 20 74 68 69 73 20 62 |..How ca|n this b|
|00000e70| 65 20 64 6f 6e 65 3f 0d | 0d 31 31 30 2e 20 50 6f |e done?.|.110. Po|
|00000e80| 73 73 69 62 6c 65 20 73 | 70 65 63 69 61 6c 20 63 |ssible s|pecial c|
|00000e90| 6f 6d 62 69 6e 61 74 69 | 6f 6e 20 70 61 74 74 65 |ombinati|on patte|
|00000ea0| 72 6e 3a 0d 49 66 20 74 | 68 65 20 74 77 6f 20 6f |rn:.If t|he two o|
|00000eb0| 70 65 72 61 6e 64 73 20 | 74 6f 20 61 20 63 6f 6d |perands |to a com|
|00000ec0| 70 61 72 69 73 6f 6e 20 | 64 69 65 20 74 68 65 72 |parison |die ther|
|00000ed0| 65 20 61 6e 64 20 62 6f | 74 68 20 63 6f 6d 65 20 |e and bo|th come |
|00000ee0| 66 72 6f 6d 20 69 6e 73 | 6e 73 0d 74 68 61 74 20 |from ins|ns.that |
|00000ef0| 61 72 65 20 69 64 65 6e | 74 69 63 61 6c 20 65 78 |are iden|tical ex|
|00000f00| 63 65 70 74 20 66 6f 72 | 20 72 65 70 6c 61 63 69 |cept for| replaci|
|00000f10| 6e 67 20 6f 6e 65 20 6f | 70 65 72 61 6e 64 20 77 |ng one o|perand w|
|00000f20| 69 74 68 20 74 68 65 20 | 6f 74 68 65 72 2c 0d 74 |ith the |other,.t|
|00000f30| 68 72 6f 77 20 61 77 61 | 79 20 74 68 6f 73 65 20 |hrow awa|y those |
|00000f40| 69 6e 73 6e 73 2e 20 20 | 4f 6b 20 69 66 20 69 6e |insns. |Ok if in|
|00000f50| 73 6e 73 20 62 65 69 6e | 67 20 64 69 73 63 61 72 |sns bein|g discar|
|00000f60| 64 65 64 20 61 72 65 20 | 6b 6e 6f 77 6e 20 31 20 |ded are |known 1 |
|00000f70| 74 6f 20 31 2e 0d 41 6e | 20 61 6e 64 6c 20 23 31 |to 1..An| andl #1|
|00000f80| 20 61 66 74 65 72 20 61 | 20 73 65 71 20 69 73 20 | after a| seq is |
|00000f90| 31 20 74 6f 20 31 2c 20 | 62 75 74 20 68 6f 77 20 |1 to 1, |but how |
|00000fa0| 73 68 6f 75 6c 64 20 63 | 6f 6d 70 69 6c 65 72 20 |should c|ompiler |
|00000fb0| 6b 6e 6f 77 20 74 68 61 | 74 3f 0d 0d 31 31 32 2e |know tha|t?..112.|
|00000fc0| 20 43 61 6e 20 63 6f 6e | 76 65 72 74 20 66 6c 6f | Can con|vert flo|
|00000fd0| 61 74 20 74 6f 20 75 6e | 73 69 67 6e 65 64 20 69 |at to un|signed i|
|00000fe0| 6e 74 20 62 79 20 73 75 | 62 74 72 61 63 74 69 6e |nt by su|btractin|
|00000ff0| 67 20 61 20 63 6f 6e 73 | 74 61 6e 74 2c 0d 63 6f |g a cons|tant,.co|
|00001000| 6e 76 65 72 74 69 6e 67 | 20 74 6f 20 73 69 67 6e |nverting| to sign|
|00001010| 65 64 20 69 6e 74 2c 20 | 61 6e 64 20 63 68 61 6e |ed int, |and chan|
|00001020| 67 69 6e 67 20 74 68 65 | 20 73 69 67 6e 20 62 69 |ging the| sign bi|
|00001030| 74 2e 0d 0d 31 31 37 2e | 20 41 6e 79 20 6e 75 6d |t...117.| Any num|
|00001040| 62 65 72 20 6f 66 20 73 | 6c 6f 77 20 7a 65 72 6f |ber of s|low zero|
|00001050| 2d 65 78 74 65 6e 73 69 | 6f 6e 73 20 69 6e 20 6f |-extensi|ons in o|
|00001060| 6e 65 20 6c 6f 6f 70 2c | 20 74 68 61 74 20 68 61 |ne loop,| that ha|
|00001070| 76 65 0d 74 68 65 69 72 | 20 63 6c 72 20 69 6e 73 |ve.their| clr ins|
|00001080| 6e 73 20 6d 6f 76 65 64 | 20 6f 75 74 20 6f 66 20 |ns moved| out of |
|00001090| 74 68 65 20 6c 6f 6f 70 | 2c 20 63 61 6e 20 73 68 |the loop|, can sh|
|000010a0| 61 72 65 20 6f 6e 65 20 | 72 65 67 69 73 74 65 72 |are one |register|
|000010b0| 0d 69 66 20 74 68 65 69 | 72 20 6f 72 69 67 69 6e |.if thei|r origin|
|000010c0| 61 6c 20 6c 69 66 65 20 | 73 70 61 6e 73 20 61 72 |al life |spans ar|
|000010d0| 65 20 64 69 73 6a 6f 69 | 6e 74 2e 0d 42 75 74 20 |e disjoi|nt..But |
|000010e0| 69 74 20 6d 61 79 20 62 | 65 20 68 61 72 64 20 74 |it may b|e hard t|
|000010f0| 6f 20 62 65 20 73 75 72 | 65 20 6f 66 20 74 68 69 |o be sur|e of thi|
|00001100| 73 20 73 69 6e 63 65 0d | 74 68 65 20 6c 69 66 65 |s since.|the life|
|00001110| 20 73 70 61 6e 20 64 61 | 74 61 20 74 68 61 74 20 | span da|ta that |
|00001120| 72 65 67 73 63 61 6e 20 | 70 72 6f 64 75 63 65 73 |regscan |produces|
|00001130| 20 6d 61 79 20 62 65 20 | 68 61 72 64 20 74 6f 20 | may be |hard to |
|00001140| 69 6e 74 65 72 70 72 65 | 74 0d 76 61 6c 69 64 6c |interpre|t.validl|
|00001150| 79 20 6f 72 20 6d 61 79 | 20 62 65 20 69 6e 63 6f |y or may| be inco|
|00001160| 72 72 65 63 74 20 61 66 | 74 65 72 20 63 73 65 2e |rrect af|ter cse.|
|00001170| 0d 0d 31 31 38 2e 20 49 | 6e 20 63 73 65 2c 20 77 |..118. I|n cse, w|
|00001180| 68 65 6e 20 61 20 62 66 | 65 78 74 20 69 6e 73 6e |hen a bf|ext insn|
|00001190| 20 72 65 66 65 72 73 20 | 74 6f 20 61 20 72 65 67 | refers |to a reg|
|000011a0| 69 73 74 65 72 2c 20 69 | 66 20 74 68 65 20 66 69 |ister, i|f the fi|
|000011b0| 65 6c 64 0d 63 6f 72 72 | 65 73 70 6f 6e 64 73 20 |eld.corr|esponds |
|000011c0| 74 6f 20 61 20 68 61 6c | 66 77 6f 72 64 20 6f 72 |to a hal|fword or|
|000011d0| 20 61 20 62 79 74 65 20 | 61 6e 64 20 74 68 65 20 | a byte |and the |
|000011e0| 72 65 67 69 73 74 65 72 | 20 69 73 20 65 71 75 69 |register| is equi|
|000011f0| 76 61 6c 65 6e 74 0d 74 | 6f 20 61 20 6d 65 6d 6f |valent.t|o a memo|
|00001200| 72 79 20 6c 6f 63 61 74 | 69 6f 6e 2c 20 69 74 20 |ry locat|ion, it |
|00001210| 77 6f 75 6c 64 20 62 65 | 20 70 6f 73 73 69 62 6c |would be| possibl|
|00001220| 65 20 74 6f 20 64 65 74 | 65 63 74 20 74 68 69 73 |e to det|ect this|
|00001230| 20 61 6e 64 0d 72 65 70 | 6c 61 63 65 20 69 74 20 | and.rep|lace it |
|00001240| 77 69 74 68 20 61 20 73 | 69 6d 70 6c 65 20 6d 65 |with a s|imple me|
|00001250| 6d 6f 72 79 20 72 65 66 | 65 72 65 6e 63 65 2e 0d |mory ref|erence..|
|00001260| 0d 31 32 31 2e 20 49 6e | 73 6e 73 20 74 68 61 74 |.121. In|sns that|
|00001270| 20 73 74 6f 72 65 20 74 | 77 6f 20 76 61 6c 75 65 | store t|wo value|
|00001280| 73 20 63 61 6e 6e 6f 74 | 20 62 65 20 6d 6f 76 65 |s cannot| be move|
|00001290| 64 20 6f 75 74 20 6f 66 | 20 6c 6f 6f 70 73 2e 0d |d out of| loops..|
|000012a0| 54 68 65 20 63 6f 64 65 | 20 69 6e 20 73 63 61 6e |The code| in scan|
|000012b0| 5f 6c 6f 6f 70 20 64 6f | 65 73 6e 27 74 20 65 76 |_loop do|esn't ev|
|000012c0| 65 6e 20 74 72 79 20 74 | 6f 20 64 65 61 6c 20 77 |en try t|o deal w|
|000012d0| 69 74 68 20 74 68 65 6d | 2e 0d 0d 31 32 32 2e 20 |ith them|...122. |
|000012e0| 57 68 65 6e 20 69 6e 73 | 6e 2d 6f 75 74 70 75 74 |When ins|n-output|
|000012f0| 2e 63 20 74 75 72 6e 73 | 20 61 20 62 69 74 2d 74 |.c turns| a bit-t|
|00001300| 65 73 74 20 69 6e 74 6f | 20 61 20 73 69 67 6e 2d |est into| a sign-|
|00001310| 74 65 73 74 2c 0d 69 74 | 20 73 68 6f 75 6c 64 20 |test,.it| should |
|00001320| 73 65 65 20 77 68 65 74 | 68 65 72 20 74 68 65 20 |see whet|her the |
|00001330| 63 63 20 69 73 20 61 6c | 72 65 61 64 79 20 73 65 |cc is al|ready se|
|00001340| 74 20 75 70 20 77 69 74 | 68 20 74 68 61 74 20 73 |t up wit|h that s|
|00001350| 69 67 6e 2e 0d 0d 31 32 | 33 2e 20 57 68 65 6e 20 |ign...12|3. When |
|00001360| 61 20 63 6f 6e 64 69 74 | 69 6f 6e 61 6c 20 65 78 |a condit|ional ex|
|00001370| 70 72 65 73 73 69 6f 6e | 20 69 73 20 75 73 65 64 |pression| is used|
|00001380| 20 61 73 20 61 20 66 75 | 6e 63 74 69 6f 6e 20 61 | as a fu|nction a|
|00001390| 72 67 2c 20 69 74 20 77 | 6f 75 6c 64 0d 62 65 20 |rg, it w|ould.be |
|000013a0| 66 61 73 74 65 72 20 28 | 61 6e 64 20 69 6e 20 73 |faster (|and in s|
|000013b0| 6f 6d 65 20 63 61 73 65 | 73 20 73 68 6f 72 74 65 |ome case|s shorte|
|000013c0| 72 29 20 74 6f 20 70 75 | 73 68 20 65 61 63 68 20 |r) to pu|sh each |
|000013d0| 61 6c 74 65 72 6e 61 74 | 69 76 65 20 72 61 74 68 |alternat|ive rath|
|000013e0| 65 72 0d 74 68 61 6e 20 | 63 6f 6d 70 75 74 65 20 |er.than |compute |
|000013f0| 69 6e 20 61 20 72 65 67 | 69 73 74 65 72 20 61 6e |in a reg|ister an|
|00001400| 64 20 70 75 73 68 20 74 | 68 61 74 2e 20 20 54 68 |d push t|hat. Th|
|00001410| 69 73 20 77 6f 75 6c 64 | 20 72 65 71 75 69 72 65 |is would| require|
|00001420| 0d 62 65 69 6e 67 20 61 | 62 6c 65 20 74 6f 20 73 |.being a|ble to s|
|00001430| 70 65 63 69 66 79 20 22 | 70 75 73 68 20 74 68 69 |pecify "|push thi|
|00001440| 73 22 20 61 73 20 61 20 | 74 61 72 67 65 74 20 66 |s" as a |target f|
|00001450| 6f 72 20 65 78 70 61 6e | 64 5f 65 78 70 72 2e 0d |or expan|d_expr..|
|00001460| 0d 31 32 34 2e 20 4f 6e | 20 74 68 65 20 33 38 36 |.124. On| the 386|
|00001470| 2c 20 62 61 64 20 63 6f | 64 65 20 72 65 73 75 6c |, bad co|de resul|
|00001480| 74 73 20 66 72 6f 6d 20 | 66 6f 6f 20 28 62 61 72 |ts from |foo (bar|
|00001490| 20 28 29 29 20 77 68 65 | 6e 20 62 61 72 0d 72 65 | ()) whe|n bar.re|
|000014a0| 74 75 72 6e 73 20 61 20 | 64 6f 75 62 6c 65 2c 20 |turns a |double, |
|000014b0| 62 65 63 61 75 73 65 20 | 74 68 65 20 70 73 65 75 |because |the pseu|
|000014c0| 64 6f 20 75 73 65 64 20 | 66 61 69 6c 73 20 74 6f |do used |fails to|
|000014d0| 20 67 65 74 20 70 72 65 | 66 65 72 65 6e 63 65 64 | get pre|ferenced|
|000014e0| 0d 69 6e 74 6f 20 61 6e | 20 66 70 20 72 65 67 20 |.into an| fp reg |
|000014f0| 62 65 63 61 75 73 65 20 | 6f 66 20 74 68 65 20 64 |because |of the d|
|00001500| 69 73 74 69 6e 63 74 69 | 6f 6e 20 62 65 74 77 65 |istincti|on betwe|
|00001510| 65 6e 20 72 65 67 73 20 | 38 20 61 6e 64 20 39 2e |en regs |8 and 9.|
|00001520| 0d 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001530| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001540| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001550| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001560| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001570| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001580| 00 00 01 00 00 00 01 4c | 00 00 00 4c 00 00 00 32 |.......L|...L...2|
|00001590| 74 5f 72 74 6c 00 00 00 | 00 00 0c 9e 1f 90 00 0c |t_rtl...|........|
|000015a0| 4e 56 00 00 48 e7 13 18 | 28 6e 00 08 e9 d4 00 10 |NV..H...|(n......|
|000015b0| 08 50 52 4f 42 4c 45 4d | 53 4f 02 00 00 00 00 00 |.PROBLEM|SO......|
|000015c0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000015d0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000015e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000015f0| 00 00 a3 81 51 f5 00 00 | 00 00 00 00 01 7e 08 2c |....Q...|.....~.,|
|00001600| 00 05 00 03 66 02 72 00 | 4a 81 57 c0 44 00 60 50 |....f.r.|J.W.D.`P|
|00001610| 20 06 e5 40 20 4d d1 fc | ff ff d1 00 26 70 00 00 | ..@ M..|....&p..|
|00001620| 20 06 e5 40 20 4d d1 fc | ff ff db 76 2e 30 00 00 | ..@ M..|...v.0..|
|00001630| 53 87 60 26 10 33 78 00 | 49 c0 72 65 b2 80 66 16 |S.`&.3x.|I.re..f.|
|00001640| 20 07 e5 80 2f 34 08 04 | 4e ba ff 56 4a 80 58 8f | .../4..|N..VJ.X.|
|00001650| 67 04 70 01 60 0a 20 07 | 53 87 4a 87 6c d6 70 00 |g.p.`. .|S.J.l.p.|
|00001660| 4c ee 18 c8 ff ec 4e 5e | 4e 75 8e 72 74 78 5f 75 |L.....N^|Nu.rtx_u|
|00001670| 6e 73 74 61 62 6c 65 5f | 70 00 00 00 4e 56 00 00 |nstable_|p...NV..|
|00001680| 00 00 00 48 00 09 4d 6f | 6e 61 63 6f 00 00 00 00 |...H..Mo|naco....|
|00001690| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000016a0| 00 00 00 00 00 00 00 06 | 00 04 00 3c 00 24 01 dd |........|...<.$..|
|000016b0| 02 3d 00 3c 00 24 01 dd | 02 3d a2 08 18 3d 00 00 |.=.<.$..|.=...=..|
|000016c0| 00 00 00 00 00 00 00 00 | 10 5c 01 00 00 00 01 00 |........|.\......|
|000016d0| 00 00 01 4c 00 00 00 4c | 00 00 00 32 00 38 ce f8 |...L...L|...2.8..|
|000016e0| 02 36 00 00 00 1c 00 32 | 00 00 4d 50 53 52 00 00 |.6.....2|..MPSR..|
|000016f0| 00 0a 03 ed ff ff 00 00 | 00 00 00 3a 74 a0 00 00 |........|...:t...|
+--------+-------------------------+-------------------------+--------+--------+