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; SCCSID = @(#)sysvar.asm 1.1 85/04/10
include version.inc
SysInitVars STRUC
SYSI_DPB DD ? ; DPB chain
SYSI_SFT DD ? ; SFT chain
SYSI_CLOCK DD ? ; CLOCK device
SYSI_CON DD ? ; CON device
SYSI_MAXSEC DW ? ; maximum sector size
SYSI_BUF DD ? ; points to Hashinitvar
SYSI_CDS DD ? ; CDS list
SYSI_FCB DD ? ; FCB chain
SYSI_Keep DW ? ; keep count
SYSI_NUMIO DB ? ; Number of block devices
SYSI_NCDS DB ? ; number of CDS's
SYSI_DEV DD ? ; device list
SYSI_ATTR DW ? ; null device attribute word
SYSI_STRAT DW ? ; null device strategy entry point
SYSI_INTER DW ? ; null device interrupt entry point
SYSI_NAME DB 8 DUP(?) ; null device name
SYSI_SPLICE DB 0 ; TRUE -> splicees being done
SYSI_IBMDOS_SIZE DW ? ; DOS size in paragraphs
SYSI_IFS_DOSCALL@ DD ? ; IFS DOS service rountine entry
SYSI_IFS DD ? ; IFS header chain
SYSI_BUFFERS DW ?,0 ; BUFFERS= values (m,n)
SYSI_BOOT_DRIVE DB ? ; boot drive A=1 B=2,..
SYSI_DWMOVE DB 0 ; 1 if 386 machine
SYSI_EXT_MEM DW 0 ; Extended memory size in KB.
SysInitVars ENDS
;This is added for more information exchage between DOS, BIOS.
;DOS will give the pointer to SysInitTable in ES:DI. - J.K. 5/29/86
SysInitVars_Ext struc
SYSI_InitVars DD 0 ; Points to the above structure.
SYSI_Country_Tab DD 0 ; DOS_Country_cdpg_info
SysInitVars_Ext ends
;The SYSI_BUF of SysInitVars points to the follwong structure
EMS_MAP_BUFF_SIZE EQU 12 ; EMS map buffer size
Buffinfo STRUC
Hash_ptr DD ? ; pointer to Hash table
Hash_count DW ? ; number of Hash entries
Cache_ptr DD ? ; pointer to secondary cache
Cache_count DW 0 ; number of secondary cache entries
IF BUFFERFLAG
EMS_SAFE_FLAG DB 1
EMS_LAST_PAGE DW 0, 0
EMS_FIRST_PAGE DW 0, 0
EMS_NPA640 DW 0
ENDIF
EMS_mode DB -1 ; no EMS = -1
EMS_handle DW ? ; EMS handle for buffers
EMS_PageFrame_Number DW -1 ; EMS page frame number
EMS_Seg_Cnt DW 1 ; EMS segment count
EMS_Page_Frame DW -1 ; EMS page frame segment address
EMS_reserved DW 0 ; EMS segment count
IF BUFFERFLAG
EMS_Map_Buff DB 0 ; map buffer
ELSE
EMS_Map_Buff DB 12 dup(0)
ENDIF
Buffinfo ENDS
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