 
 
 
Number of parameters being passed
Address of list of addresses of parameters being passed
Address of parameter list
Parameter list, 12 bytes in length.
| Bytes | Description | 
|---|---|
| 0 | Flag byte: 
 | 
| 1-3 | Address of directory entry if byte 0 = 80 Address of entry point name if byte 0 = 00 | 
| 4 | Indicates extended parameter list if 80 | 
| 5-7 | DCB address or zero | 
| 8-11 | Contains address of routine to get control on error (ERRET parameter) if byte 4 = 80 | 
 
 
