Return segment limits from descriptor.
Source position: go32.pp line 101
| function get_segment_limit( | 
| d: Word | 
| ):DWord; | 
Returns a descriptors segment limit.
Parameters:
Return value: Limit of the descriptor in bytes.
Returns zero if descriptor is invalid.
| 
 | Allocate a number of descriptors. | |
| 
 | Set descriptor limit. | |
| 
 | Set descriptor's base address. | |
| 
 | Return base address from descriptor table. |