PUB() Function - List Public Programs
Syntax
PUB(int{,ERR=lineref})
Description
For BBj-specific information, see the PUB() Function. The PUB() function returns strings describing the public programs currently in memory.
| Parameter | Description |
|---|---|
| int | An integer argument greater than or equal to zero that specifies which public program is desired. PUB(0) returns information about the first public program, PUB(1) the next, and so on. The relationship between a public program and its PUB() number is arbitrary and can change anytime a public program is added or dropped. |
| ERR=lineref | Branch to be taken if an error occurs during execution. |
The following information is returned by PUB() for a public program:
| Byte | Contents | Conversion Code |
|---|---|---|
|
1,2 |
Program length (+header) |
DEC(A$(1,2)) |
|
3,1 |
$00$ (or $01$ if ADDRed) |
ASC(A$(3,1)) |
|
4,13 |
Reserved |
|
|
17,* |
Program name |
A$(17) |