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nora 2022-06-20 17:06:43 +02:00
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@ -60,6 +60,12 @@ A location is a location in the VM code. It must contain a symbol with the label
Mov moves the `value` `B` to the `place` `A`.
### Movb
`movb A, B`
Mov moves the `value` `B` to the `place` `A`. Only a single byte is written.
### Add
`add A, B`
@ -131,5 +137,5 @@ The interrupt 0 exits the program. The exit code is passed in `r0`.
### `int 1`
The interrupt 0 writes a string to standard output. `r0` contains the address of the string data.
`r1` contains the length of the string. The string is encoded as `UTF-8`. After the interrupt completed,
`r0` will contain a 0 if writing was successful, or a `1` if it failed.
`r1` contains the length of the string. The string is forwarded as raw bytes to the OS.
After the interrupt completed, `r0` will contain a 0 if writing was successful, or a `1` if it failed.