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add some operators, stop printing whitespace while tokenising, add frame for pseudo-op support

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andromeda
2026-03-30 20:11:36 +02:00
parent 7a3e1fc37c
commit a0a99e3116
2 changed files with 186 additions and 23 deletions
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twasm/README.md
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@@ -160,12 +160,13 @@ metadata about some tokens in the following form:
the `type` hex digit is defined as the following:
| hex | meaning | examples |
|-----|----------|-|
| 0x0 | ignored | |
| 0x1 | operator | `mov`, `hlt` |
| 0x2 | register | `rsp`, `al` |
| 0xF | unknown | any token ID not represented in the lookup table |
| hex | meaning | examples |
|-----|-----------------|-|
| 0x0 | ignored | |
| 0x1 | operator | `mov`, `hlt` |
| 0x2 | register | `rsp`, `al` |
| 0x3 | pseudo-operator | `db` |
| 0xF | unknown | any token ID not represented in the lookup table |
type metadata for the different types is as follows:
@@ -210,6 +211,17 @@ type metadata for the different types is as follows:
11b ; 64 bit
```
```
1 byte
+----------+
| type 0x3 |
+----------+
| 31 24 |
+----------+
| reserved |
+----------+
```
#### `opcodes.by_id`
entries are as follows:
@@ -396,6 +408,13 @@ supported tokens are listed below
| call | 0x0059 | |
| ret | 0x005A | |
| cmp | 0x005B | |
| jmp | 0x005C | |
| je | 0x005D | |
| jne | 0x005E | |
| push | 0x005F | |
| pop | 0x0060 | |
| out | 0x0061 | |
| db | 0x0100 | pseudo-operator |
| | 0x10XX | some memory address; `XX` is as specified below |
| | 0x20XX | some constant; `XX` is as specified below |
| | 0x3XXX | some label definition; `XXX` is its entry index in the label table |