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Fixed source, restored asm dos call functions for header file compatibility

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zsknight
2001-05-08 00:26:00 +00:00
parent 85f33b1f81
commit b9d674aa2e
1 changed files with 32 additions and 30 deletions
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62
zsnes/src/dos/dosintrf.asm
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@@ -80,7 +80,8 @@ EXTSYM GUINetTextk2
SECTION .data SECTION .data
;NEWSYM OSPort, db 0 ; 0 = DOS (C), 1 = DOS (ASM), 2 = Linux, 3 = Win95 NEWSYM OSPort, db 0 ; 0 = DOS (C), 1 = DOS (ASM), 2 = Linux, 3 = Win95
NEWSYM TextFile, db 0
SECTION .text SECTION .text
NEWSYM StartUp NEWSYM StartUp
@@ -249,8 +250,13 @@ NEWSYM MMXCheck
ret ret
NEWSYM Open_File NEWSYM Open_File
mov ax,3D00h
int 21h
; return ax = file handle, carry = error
ret
pushad pushad
mov dword[ZOpenMode],0 mov dword[ZOpenMode],0
mov byte[TextFile],1
mov dword[ZOpenFileName],edx mov dword[ZOpenFileName],edx
call ZOpenFile call ZOpenFile
cmp eax,0FFFFFFFFh cmp eax,0FFFFFFFFh
@@ -271,12 +277,12 @@ NEWSYM Open_File
popad popad
stc stc
ret ret
mov ax,3D00h
NEWSYM Open_File_Write
mov ax,3D01h
int 21h int 21h
; return ax = file handle, carry = error ; return ax = file handle, carry = error
ret ret
NEWSYM Open_File_Write
pushad pushad
mov dword[ZOpenMode],2 mov dword[ZOpenMode],2
mov dword[ZOpenFileName],edx mov dword[ZOpenFileName],edx
@@ -299,12 +305,13 @@ NEWSYM Open_File_Write
popad popad
stc stc
ret ret
mov ax,3D01h
int 21h
; return ax = file handle, carry = error
ret
NEWSYM Create_File NEWSYM Create_File
mov ah,3Ch
mov cx,0
int 21h
; return ax = file handle
ret
pushad pushad
mov dword[ZOpenMode],1 mov dword[ZOpenMode],1
mov dword[ZOpenFileName],edx mov dword[ZOpenFileName],edx
@@ -320,13 +327,11 @@ NEWSYM Create_File
popad popad
stc stc
ret ret
mov ah,3Ch
mov cx,0
int 21h
; return ax = file handle
ret
NEWSYM Write_File NEWSYM Write_File
mov ah,40h
int 21h
ret
mov dword[ZFileWriteHandle],0 mov dword[ZFileWriteHandle],0
mov [ZFileWriteHandle],bx mov [ZFileWriteHandle],bx
mov [ZFileWriteSize],ecx mov [ZFileWriteSize],ecx
@@ -344,11 +349,11 @@ NEWSYM Write_File
mov eax,0 mov eax,0
stc stc
ret ret
mov ah,40h
int 21h
ret
NEWSYM Read_File NEWSYM Read_File
mov ah,3Fh
int 21h
ret
mov dword[ZFileReadHandle],0 mov dword[ZFileReadHandle],0
mov [ZFileReadHandle],bx mov [ZFileReadHandle],bx
mov [ZFileReadSize],ecx mov [ZFileReadSize],ecx
@@ -360,9 +365,6 @@ NEWSYM Read_File
mov eax,[TempVarSeek] mov eax,[TempVarSeek]
clc clc
ret ret
mov ah,3Fh
int 21h
ret
NEWSYM Delete_File NEWSYM Delete_File
mov [ZFileDelFName],edx mov [ZFileDelFName],edx
@@ -375,6 +377,9 @@ NEWSYM Delete_File
ret ret
NEWSYM Close_File NEWSYM Close_File
mov ah,3Eh
int 21h
ret
mov dword[ZCloseFileHandle],0 mov dword[ZCloseFileHandle],0
mov [ZCloseFileHandle],bx mov [ZCloseFileHandle],bx
pushad pushad
@@ -382,11 +387,12 @@ NEWSYM Close_File
popad popad
clc clc
ret ret
mov ah,3Eh
int 21h
ret
NEWSYM File_Seek NEWSYM File_Seek
; seek to cx:dx from 0 position, return carry as error
mov ax,4200h
int 21h
ret
mov word[ZFileSeekPos+2],cx mov word[ZFileSeekPos+2],cx
mov word[ZFileSeekPos],dx mov word[ZFileSeekPos],dx
mov dword[ZFileSeekMode],0 mov dword[ZFileSeekMode],0
@@ -399,12 +405,12 @@ NEWSYM File_Seek
mov dx,cx mov dx,cx
clc clc
ret ret
; seek to cx:dx from 0 position, return carry as error
mov ax,4200h
int 21h
ret
NEWSYM File_Seek_End NEWSYM File_Seek_End
; seek to cx:dx from end position, and return file location in dx:ax
mov ax,4202h
int 21h
ret
mov word[ZFileSeekPos+2],cx mov word[ZFileSeekPos+2],cx
mov word[ZFileSeekPos],dx mov word[ZFileSeekPos],dx
mov dword[ZFileSeekHandle],0 mov dword[ZFileSeekHandle],0
@@ -420,10 +426,6 @@ NEWSYM File_Seek_End
mov ax,[TempVarSeek] mov ax,[TempVarSeek]
mov dx,[TempVarSeek+2] mov dx,[TempVarSeek+2]
ret ret
; seek to cx:dx from end position, and return file location in dx:ax
mov ax,4202h
int 21h
ret
NEWSYM Get_Time NEWSYM Get_Time
pushad pushad