AMX 86 - page 153

AMX Linked List Manager

DAK

145

The following example coded in assembler illustrates the use of the Linked List Manager.The example mimics the operation of the previous C implementation. It illustrates theoptimization effects which can be achieved by coding in assembler.

INCLUDE AMX831SD.DEF ;AMX Structure Definitions

;

UOBJECT STRUC

ID DW ? ;Object id

DATA DD ? ;Other application data

KEYNODE DB (SIZE AMXLKS) DUP(?) ;Key node

MOREDATA DB 10 DUP(?) ;More application data

LISTNODE DB (SIZE AMXLNS) DUP(?) ;List node

LASTDATA DD ? ;Last application data

UOBJECT ENDS

;

OBJSIZ EQU SIZE UOBJECT ;Size of an object

NUMOBJ EQU 10 ;Ten objects

;

USER_DATA SEGMENT WORD 'DATA' ;Data segment

;

KEYLIST DB (SIZE AMXLHS) DUP(?) ;Keyed list header

EXTLIST DB (SIZE AMXLHS) DUP(?) ;Extraction list header

;

OBJARRAY DB (OBJSIZ*NUMOBJ) DUP(?) ;Array of objects

;

USER_DATA ENDS ;End of data segment

;PAGE