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Added TODO and WIP tags for spec

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Aryadev Chavali
2023-11-03 08:14:40 +00:00
parent b4fce03177
commit 134c06a6fe
1 changed files with 3 additions and 3 deletions
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@@ -3,7 +3,7 @@
#+description: A specification of instructions for the virtual machine #+description: A specification of instructions for the virtual machine
#+date: 2023-11-02 #+date: 2023-11-02
* Data types * WIP Data types
There are 3 main data types of the virtual machine. They are all There are 3 main data types of the virtual machine. They are all
unsigned. There exist signed versions of these data types, though unsigned. There exist signed versions of these data types, though
there is no difference in terms of bytecode between them. For an there is no difference in terms of bytecode between them. For an
@@ -15,7 +15,7 @@ unsigned type <T> the signed version is simply S_<T>.
| HWord | 32 | | HWord | 32 |
| Word | 64 | | Word | 64 |
|-------+------| |-------+------|
* Instructions * WIP Instructions
An instruction for the virtual machine is composed of an *opcode* and, An instruction for the virtual machine is composed of an *opcode* and,
potentially, an *operand*. An /opcode/ represents the behaviour of potentially, an *operand*. An /opcode/ represents the behaviour of
the instruction i.e. what _is_ the instruction. The /operand/ is a the instruction i.e. what _is_ the instruction. The /operand/ is a
@@ -32,7 +32,7 @@ general behaviour of the instruction: ~PUSH~, ~POP~, ~MOV~, etc. The
complete opcode will be a combination of these two e.g. ~PUSH_BYTE~, complete opcode will be a combination of these two e.g. ~PUSH_BYTE~,
~POP_WORD~, etc. Some /opcodes/ may have more /type specifiers/ than ~POP_WORD~, etc. Some /opcodes/ may have more /type specifiers/ than
others. others.
* Bytecode format * TODO Bytecode format
Bytecode files are byte sequence which encode instructions for the Bytecode files are byte sequence which encode instructions for the
virtual machine. Any instruction (even with an operand) has one and virtual machine. Any instruction (even with an operand) has one and
only one byte sequence associated with it. only one byte sequence associated with it.