v4.0/src/BIOS/DEFEMS.INC

   1 ;J.K. This is a temporary version of EMS function definitions needed for
   2 ;IBMBIO SYSINIT.
   3
   4 EMS_INT         equ     67h     ;interrupt vector designated for EMS.
   5
   6 EMS_STATUS      equ     40h     ;status of memery manager
   7 EQ_PAGES        equ     42h     ;get number of unallocated & total pages
   8 E_GET_HANDLE    equ     43h     ;allocate pages
   9 EMAP_L_TO_P     equ     44h     ;Map logical to physical page
  10 EMAP_STATE      equ     4Fh     ;Mapping status
  11     GET_MAP_STATE     equ    00h
  12     GET_MAP_SIZE      equ    02h
  13     SET_MAP_STATE     equ    01h
  14 EDE_ALLOCATE    equ     45h     ;deallocate pages
  15 EMS_VERSION     equ     46h     ;Get EMM version number
  16 GET_PAGE_FRAME  equ     58h     ;Get page frame address
  17     GET_PAGEFRAME_TAB equ 00H
  18     GET_NUM_PAGEFRAME equ 01H
  19 EMS_HANDLE_NAME equ     53h
  20     SET_HANDLE_NAME equ  01h
  21
  22 IBM_PAGE_ID     equ     255     ;Physical page id that will be used by
  23                                 ;IBMBIO and IBMDOS for buffer manipulation.
  24
  25 ;MAX_NUM_PAGEFRAME equ   12     ;maximum number of page frames IBMBIO can
  26                                 ;handle
  27
  28 MAX_NUM_PAGEFRAME equ    64     ;maximum number of page frames MSBIO can
  29                                 ;handle
  30
  31 EMSVERSION      equ     40h     ;4.0
  32
  33 \1a