1 files changed, 77 insertions, 0 deletions

diff --git a/v4.0/src/INC/SYSVAR.INC b/v4.0/src/INC/SYSVAR.INC
new file mode 100644
index 0000000..4a5a1fc
--- /dev/null
+++ b/v4.0/src/INC/SYSVAR.INC
@@ -0,0 +1,77 @@
+;       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
+
+
+
+
+
+
+
+
\ No newline at end of file