kolibrios/programs/games/nsider/kolibrisys/_ksys_files_acces.asm
CleverMouse 158e212af1 stdcall functions should restore esi
git-svn-id: svn://kolibrios.org@5295 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-12-30 12:22:23 +00:00

120 lines
2.7 KiB
NASM

format COFF
section '.text' code
include '../../../proc32.inc'
public __ksys_get_filesize
public __ksys_readfile
public __ksys_rewritefile
public __ksys_appendtofile
align 4
proc __ksys_get_filesize stdcall uses ebx, filename:dword
xor eax,eax
mov ebx,[filename]
mov [fileinfo.subproc],dword 5
mov [fileinfo.offset_l],eax
mov [fileinfo.offset_h],eax
mov [fileinfo.size],eax
mov [fileinfo.data],dword buffer_for_info
mov [fileinfo.letter],al
mov [fileinfo.filename],ebx
mov eax,70
mov ebx,fileinfo
int 0x40
test eax,eax
jnz error_for_file_size
mov eax,[buffer_for_info+32] ;file size
error_for_file_size:
ret
endp
align 4
proc __ksys_readfile stdcall uses ebx,filename:dword,position:dword,sizeblock:dword,buffer:dword
xor eax,eax
mov ebx,[position]
mov ecx,[sizeblock]
mov edx,[buffer]
mov [fileinfo.subproc],eax
mov [fileinfo.offset_l],ebx
mov [fileinfo.offset_h],eax
mov [fileinfo.size],ecx
mov ecx,[filename]
mov [fileinfo.data],edx
mov [fileinfo.letter],al
mov [fileinfo.filename],ecx
mov eax,70
mov ebx,fileinfo
int 0x40
ret
endp
align 4
proc __ksys_rewritefile stdcall uses ebx,filename:dword,sizeblock:dword,data_write:dword
xor eax,eax
mov ebx,[sizeblock]
mov ecx,[data_write]
mov edx,[filename]
mov [fileinfo.subproc],dword 2
mov [fileinfo.offset_l],eax
mov [fileinfo.offset_h],eax
mov [fileinfo.size],ebx
mov [fileinfo.data],ecx
mov [fileinfo.letter],al
mov [fileinfo.filename],edx
mov eax,70
mov ebx,fileinfo
int 0x40
ret
endp
align 4
proc __ksys_appendtofile stdcall uses ebx,filename:dword,pos:dword,sizeblock:dword,data_append:dword
xor eax,eax
mov ebx,[pos]
mov ecx,[sizeblock]
mov edx,[data_append]
mov [fileinfo.subproc],dword 3
mov [fileinfo.offset_l],ebx
mov [fileinfo.offset_h],eax
mov [fileinfo.size],ecx
mov ecx,[filename]
mov [fileinfo.data],edx
mov [fileinfo.letter],al
mov [fileinfo.filename],ecx
mov eax,70
mov ebx,fileinfo
int 0x40
ret
endp
struc FILEIO
{
.subproc rd 1
.offset_l rd 1
.offset_h rd 1
.size rd 1
.data rd 1
.letter rb 1
.filename rd 1
}
fileinfo FILEIO
buffer_for_info rd 11