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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/Documentation.md | 48 |
1 files changed, 41 insertions, 7 deletions
diff --git a/doc/Documentation.md b/doc/Documentation.md index f7dde0a..01b6a6b 100644 --- a/doc/Documentation.md +++ b/doc/Documentation.md @@ -1,7 +1,7 @@ # Opcode Variable length opcodes. Sizes range from 1 to 4 bytes. ## Instruction formats -Instructions can be in 6 different formats: +Instructions can be in 7 different formats: 1. 1 byte: Opcode(u8) 2. 2 bytes: Opcode(u8) + register(u8) 3. 3 bytes: Opcode(u8) + register(u8) + register(u8) @@ -27,11 +27,45 @@ and may even lose performance because of it. # Bytecode header ## Header layout -|Size|Name |Description | +|Type|Field |Description | |----|-------------|----------------------------------------------------------------------------| -|4 |Magic number |The magic number used to identify an amalgam bytecode file. | -|1 |Major version|The major version of the bytecode. Updates in this is a breaking change. | -|1 |Minor version|The minor version of the bytecode. Updates in this are backwards compatible.| -|1 |Patch version|The patch version of the bytecode. Updates in this are only minor bug fixes.| +|u32 |Magic number |The magic number used to identify an amalgam bytecode file. | +|u8 |Major version|The major version of the bytecode. Updates in this is a breaking change. | +|u8 |Minor version|The minor version of the bytecode. Updates in this are backwards compatible.| +|u8 |Patch version|The patch version of the bytecode. Updates in this are only minor bug fixes.| -The versions in the header only changes for every release, not every change.
\ No newline at end of file +The versions in the header only changes for every release, not every change. + +# Bytecode intermediates +## Intermediates layout +|Type |Field |Description | +|------------|------------------|-------------------------------------------------------------------------------| +|u32 |Intermediates size|The size of the intermediates section, in bytes. | +|Intermediate|Intermediate data |Multiple intermediates, where the total size is defined by @Intermediates size.| + +## Intermediate +|Type|Field|Description | +|----|-----|----------------------------------------------------| +|u8 |Type |The type of the number. 0=integer, 1=float. | +|u64 |Value|The type of the value depends on the value of @Type.| + +# Bytecode strings +## Strings layout +|Type |Field |Description | +|-------|-----------------|------------------------------------------------------------------| +|u16 |Number of strings|The number of strings. | +|u32 |Strings size |The size of the strings section, in bytes. | +|String*|Strings data |Multiple strings, where the total size is defined by @Strings size| + +## String +|Type|Field|Description | +|----|----|----------------------------------------------------------------------------------------| +|u16 |Size|The size of the string, in bytes. | +|u8* |Data|The data of the string, where the size is defined by @Size. Strings are null-terminated.| + +# Bytecode instructions +## Instructions layout +|Type |Field |Description | +|------------|-----------------|---------------------------------------------------------------------------| +|u32 |Instructions size|The size of the instructions section, in bytes. | +|Instruction*|Instructions data|The instructions data. Each instructions begins with an opcode, see #Opcode|
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