From 0079d9b9d2906ee00ec2761d4fc4cc541f554673 Mon Sep 17 00:00:00 2001 From: carl Date: Thu, 21 May 1998 12:13:59 +0000 Subject: [PATCH] + go32v1 include for objects unit --- rtl/dos/go32v1/objinc.inc | 134 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 rtl/dos/go32v1/objinc.inc diff --git a/rtl/dos/go32v1/objinc.inc b/rtl/dos/go32v1/objinc.inc new file mode 100644 index 0000000000..727ba33fbf --- /dev/null +++ b/rtl/dos/go32v1/objinc.inc @@ -0,0 +1,134 @@ +{---------------------------------------------------------------------------} +{ FileClose -> Platforms DOS - Not checked } +{---------------------------------------------------------------------------} +FUNCTION FileClose(Handle: THandle): word; +begin + asm + xor %bx,%bx + movw handle,%bx + movb $0x3e,%ah + pushl %ebp + intl $0x21 + popl %ebp + end; + FileClose := 0; +end; + +{---------------------------------------------------------------------------} +{ FileOpen -> Platforms DOS - Checked 05May1998 CEC } +{ Returns 0 on failure } +{---------------------------------------------------------------------------} + +FUNCTION FileOpen (Var FileName: AsciiZ; Mode: Word): THandle; +begin + asm + xorl %eax, %eax + movw %ax, DosStreamError + movl FileName, %edx + xorw %cx,%cx + movw Mode, %ax + pushl %ebp + int $0x21 + popl %ebp + jnc .Lexit1 + movw %ax, DosStreamError { Hold Error } + xorl %eax, %eax { Open Failed } + .Lexit1: + movw %ax, __RESULT + END; +end; + + +{---------------------------------------------------------------------------} +{ FileRead -> Platforms DOS - Checked 05May1998 CEC } +{---------------------------------------------------------------------------} +FUNCTION FileRead (Handle: THandle; Var Buf; Count: Sw_Word; +Var Actual: Sw_Word): Word; +BEGIN + asm + movl count,%ecx + movl buf,%edx + xorl %ebx,%ebx + movw handle,%bx + movb $0x3f,%ah + int $0x21 + jnc .LDOSREAD1 + movw %ax,DosStreamError + xorl %eax,%eax + .LDOSREAD1: + end; + Actual:=Count; + FileRead:=DosStreamError; +end; + + + +{---------------------------------------------------------------------------} +{ FileWrite -> Platforms DOS - Checked 05May1998 CEC } +{---------------------------------------------------------------------------} +FUNCTION FileWrite (Handle: THandle; Var Buf; Count: Sw_Word; Var Actual: Sw_Word): Word; +BEGIN + Actual:=0; + asm + movl Count,%ecx + movl buf,%edx + xorl %ebx,%ebx + movw Handle,%bx + movb $0x40,%ah + pushl %ebp + int $0x21 + pop %ebp + jnc .LDOSWRITE1 + movw %ax,DosStreamError + .LDOSWRITE1: + end; + Actual:=Count; + FileWrite:=DosStreamError; +end; + +{---------------------------------------------------------------------------} +{ SetFileSize -> Platforms DOS - Not Checked } +{---------------------------------------------------------------------------} +FUNCTION SetFileSize (Handle: THandle; FileSize: LongInt): Word; +VAR Actual, Buf: LongInt; +BEGIN + If (Actual = FileSize) Then Begin { No position error } + Actual := FileWrite(Handle, Pointer(@Buf), 0,Actual); { Truncate the file } + If (Actual <> -1) Then SetFileSize := 0 Else { No truncate error } + SetFileSize := 103; { File truncate error } + End Else SetFileSize := 103; { File truncate error } +END; + +{***************************************************************************} +{ DosSetFilePtr -> Platforms DOS - Checked 05May1998 CEC } +{***************************************************************************} +FUNCTION SetFilePos (Handle: THandle; Pos: LongInt; MoveType: Word; +Var Actual: LongInt): Word; +BEGIN + asm + movw MoveType, %ax; { Load move type } + movb $0x42, %ah; + movl pos, %edx; { Load file position } + andl $0xffff,%edx { Only keep low word } + movl pos, %ecx + shrl $16,%ecx; + movw Handle, %bx; { Load file handle } + pushl %ebp; + int $0x21; { Position the file } + popl %ebp; + jc .Lexit4 + movl Actual,%edi { New position address } + movw %ax, %bx; + movw %dx, %ax; + shll $0x10, %eax; { Roll to high part } + movw %bx, %ax; + movl %eax, (%edi); { Update new position } + xorl %eax, %eax; + .Lexit4: + movw %ax, DosStreamError { DOS error returned } + END; + SetFilePos := DosStreamError; { Return any error } +END; + + +