mirror of
https://github.com/KarolS/millfork.git
synced 2024-06-11 15:29:34 +00:00
27 lines
760 B
Markdown
27 lines
760 B
Markdown
|
[< back to index](../doc_index.md)
|
||
|
|
|
||
|
|
# Commodore PET-oriented modules
|
||
|
|
|
||
|
|
## pet_kernal module
|
||
|
|
|
||
|
|
The `pet_kernal` module is imported automatically on the PET target.
|
||
|
|
It provides access to Kernal routines.
|
||
|
|
|
||
|
|
TODO
|
||
|
|
|
||
|
|
|
||
|
|
#### asm set_zero is_pet2000()
|
||
|
|
|
||
|
|
Returns true if the current machine has the original ROM (usually, the PET 2000 series).
|
||
|
|
When calling from assembly, the result is stored in the Z flag.
|
||
|
|
|
||
|
|
#### asm set_zero is_pet3000()
|
||
|
|
|
||
|
|
Returns true if the current machine has the upgraded ROM (usually, the PET 3000 series).
|
||
|
|
When calling from assembly, the result is stored in the Z flag.
|
||
|
|
|
||
|
|
#### asm set_zero is_pet4000()
|
||
|
|
|
||
|
|
Returns true if the current machine has the 4.0 ROM (usually, the PET 4000 series).
|
||
|
|
When calling from assembly, the result is stored in the Z flag.
|