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Update SPEC.md

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1.fix size in Layout of the CRC tag
2.update (size) to (size * 8)
This commit is contained in:
zhuangqiubin
2019-12-19 20:58:53 +08:00
parent ce2c01f098
commit 4fb188369d
1 changed files with 9 additions and 9 deletions
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18
SPEC.md
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@@ -289,8 +289,8 @@ Layout of the name tag:
```
tag data
[-- 32 --][--- variable length ---]
[1| 3| 8 | 10 | 10 ][--- (size) ---]
^ ^ ^ ^ ^- size ^- file name
[1| 3| 8 | 10 | 10 ][--- (size * 8) ---]
^ ^ ^ ^ ^- size ^- file name
| | | '------ id
| | '----------- file type
| '-------------- type1 (0x0)
@@ -470,8 +470,8 @@ Layout of the inline-struct tag:
```
tag data
[-- 32 --][--- variable length ---]
[1|- 11 -| 10 | 10 ][--- (size) ---]
^ ^ ^ ^- size ^- inline data
[1|- 11 -| 10 | 10 ][--- (size * 8) ---]
^ ^ ^ ^- size ^- inline data
| | '------ id
| '------------ type (0x201)
'----------------- valid bit
@@ -556,8 +556,8 @@ Layout of the user-attr tag:
```
tag data
[-- 32 --][--- variable length ---]
[1| 3| 8 | 10 | 10 ][--- (size) ---]
^ ^ ^ ^ ^- size ^- attr data
[1| 3| 8 | 10 | 10 ][--- (size * 8) ---]
^ ^ ^ ^ ^- size ^- attr data
| | | '------ id
| | '----------- attr type
| '-------------- type1 (0x3)
@@ -764,9 +764,9 @@ Layout of the CRC tag:
```
tag data
[-- 32 --][-- 32 --|--- variable length ---]
[1| 3| 8 | 10 | 10 ][-- 32 --|--- (size) ---]
^ ^ ^ ^ ^ ^- crc ^- padding
| | | | '- size (12)
[1| 3| 8 | 10 | 10 ][-- 32 --|--- (size * 8 - 32) ---]
^ ^ ^ ^ ^ ^- crc ^- padding
| | | | '- size
| | | '------ id (0x3ff)
| | '----------- valid state
| '-------------- type1 (0x5)