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760 B
760 B
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.