en:docs:xms:api:03
Book Creator
 Add this page to your book
Book Creator
 Remove this page from your book  

 Manage book(0 page(s))
 Help

Table of Contents

Note: This API call is for DOS and Win16 personality only. Use Family API for portability.

2018/09/07 05:04 · prokushev · 0 Comments

AH=03H

Version

2 and higher

Brief

Global Enable A20

Family API

none

Input

AH = 03h

Return

  • AX = 0001h if the A20 line is enabled, 0000h otherwise
  • BL = Error code

Notes

See also