2020-06-18 11:41:01 +10:00
|
|
|
Word types
|
2020-04-15 04:25:14 +10:00
|
|
|
|
2020-06-18 11:41:01 +10:00
|
|
|
There are 4 word types in Collapse OS. Whenever you have a
|
|
|
|
wordref, it's pointing to a byte with numbers 0 to 3. This
|
|
|
|
number is the word type and the word's behavior depends on it.
|
2020-04-15 04:25:14 +10:00
|
|
|
|
2020-06-18 11:41:01 +10:00
|
|
|
0: native. This words PFA contains native binary code and is
|
|
|
|
jumped to directly.
|
2020-04-15 04:25:14 +10:00
|
|
|
|
2020-06-18 11:41:01 +10:00
|
|
|
1: compiled. This word's PFA contains an atom list and its
|
|
|
|
execution is described in "EXECUTION MODEL" above.
|
2020-04-15 04:25:14 +10:00
|
|
|
|
2020-06-18 11:41:01 +10:00
|
|
|
2: cell. This word is usually followed by a 2-byte value in its
|
|
|
|
PFA. Upon execution, the address of the PFA is pushed to PS.
|
2020-04-15 04:25:14 +10:00
|
|
|
(cont.)
|