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allow terms to be more complicated

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pommicket 2022-01-08 10:15:43 -05:00
parent 262824b214
commit d74f349e27
5 changed files with 60 additions and 77 deletions
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04/README.md
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@ -227,6 +227,9 @@ A *term* is one of:
- `{variable name}` - the value of a (local or global) variable
- `.{label name}` - the address of a label
- `{number}`
- `&{variable}` - address of variable
- `*1{variable}` / `*2{variable}` / `*4{variable}` / `*8{variable}` - dereference 1, 2, 4, or 8 bytes
- `~{term}` - bitwise not
An *l-value* is the left-hand side of an assignment expression,
and it is one of:
@ -239,9 +242,6 @@ and it is one of:
An *r-value* is an expression, which can be more complicated than a term.
r-values are one of:
- `{term}`
- `&{variable}` - address of variable
- `*1{variable}` / `*2{variable}` / `*4{variable}` / `*8{variable}` - dereference 1, 2, 4, or 8 bytes
- `~{term}` - bitwise not
- `{function}({term}, {term}, ...)`
- `{term} + {term}`
- `{term} - {term}`