MZ is back!HEADmain

1 files changed, 89 insertions, 0 deletions

diff --git a/v4.0/src/MAPPER/SFILEINF.ASM b/v4.0/src/MAPPER/SFILEINF.ASM
new file mode 100644
index 0000000..e057da3
--- /dev/null
+++ b/v4.0/src/MAPPER/SFILEINF.ASM
@@ -0,0 +1,89 @@
+; 0
+page 80,132
+
+title CP/DOS DosSetFileInfo mapper
+
+
+FileAttributeSegment    segment word public 'fat'
+
+        extrn   FileAttributeTable:word
+
+FileAttributeSegment    ends
+
+
+dosxxx  segment byte public 'dos'
+        assume  cs:dosxxx,ds:nothing,es:nothing,ss:nothing
+;
+;**********************************************************************
+;*
+;*   MODULE:   dossetfileinfo
+;*
+;*   FUNCTION:  set file information
+;*
+;*   CALLING SEQUENCE:
+;*
+;*       push      word     file handle
+;*       push      word     info level
+;*       push@     other    file info buffer
+;*       push      word     file buffer size
+;*       call      dossetfileinfo
+;*
+;*   MODULES CALLED:  PC-DOS Int 21h, ah=57h, set file's date/time
+;*
+;*********************************************************************
+
+            public   dossetfileinfo
+            .sall
+            .xlist
+            include  macros.inc
+            .list
+
+
+
+str         struc
+old_bp      dw       ?
+return      dd       ?
+BufferSize  dw       ?          ; file info buufer size
+BufferPtr   dd       ?          ; file info buffer
+Level       dw       ?          ; file info level
+Handle      dw       ?          ; file handle
+str         ends
+
+dossetfileinfo  proc     far
+        Enter   dossetfileinfo        ; push registers
+
+        mov     bx,[bp].Handle        ; fill registers for function call
+        lds     si,[bp].BufferPtr     ; date/time pointer
+        mov     dx,word ptr [si]+8    ; date to be set
+        mov     cx,word ptr [si]+10   ; time to be set
+
+        mov     ax,5701h
+        int     21h
+        jc      ErrorExit             ; check for error
+
+; This code should be un-commented when the attribute can be set from
+; the setfileinfo call
+
+;       lds     si,[bp].BufferPtr
+;       mov     ax,ds:[si].the offset to the attribute word
+
+;       mov     bx,seg FileAttributeSegment
+;       mov     ds,bx
+;       assume  ds:FileAttributeSegment
+
+;       mov     bx,[bp].Handle
+;       add     bx,bx
+
+;       mov     FileAttributeTable[bx],ax
+
+        sub     ax,ax                  ; set good return code
+
+ErrorExit:
+        mexit                          ; pop registers
+        ret     size  str - 6          ; return
+
+dossetfileinfo endp
+
+dosxxx      ends
+
+            end