1 files changed, 28 insertions, 0 deletions

diff --git a/v4.0/src/DEV/VDISK/VDISK.INC b/v4.0/src/DEV/VDISK/VDISK.INC
new file mode 100644
index 0000000..202a008
--- /dev/null
+++ b/v4.0/src/DEV/VDISK/VDISK.INC
@@ -0,0 +1,28 @@
+EMS_STATUS              EQU     40H
+EMS_GET_NUM_PAGES       EQU     42H
+EMS_ALLOC_PAGES         EQU     43H
+EMS_MAP_HANDLE          EQU     44H
+EMS_VERSION             EQU     46H
+EMS_SAVE_STATE          EQU     47H
+EMS_RESTORE_STATE       EQU     48H
+EMS_GET_FRAME_ADDR      EQU     5100H
+EMS_INT                 EQU     67H
+
+EMS_EXPECTED_VERSION    EQU     34H
+EMS_LOW_ERROR           EQU     80H
+EMS_INSTALLED_FLAG      EQU     -1
+
+EMS_ALLOC_ERROR         EQU     -1              ; ***RPS ??
+SINGLE_SEGMENT          EQU     1
+DOS_PAGE1               EQU     0FEH
+DOS_PAGE2               EQU     0FFH
+DOS_PAGE_SZ             EQU     16
+
+GET_PAGE_FRAME_STRUC    STRUC
+  START_PAGE    DB      ?
+  NUM_PAGE      DB      ?
+  FRAME_SEGMENT DW      ?
+GET_PAGE_FRAME_STRUC    ENDS
+BUFFER_ENTRY_SIZE       EQU     TYPE GET_PAGE_FRAME_STRUC
+
+
\ No newline at end of file