| 31,13 → 31,10 |
|---|
| and eax,0x0fffffff ;2 ok |
| shr ax,4 ;1 ok |
| mov dword [edi],eax |
| add edi,4 |
| mov dword [edi],ebx |
| add edi,4 |
| mov dword [edi],ecx |
| add edi,4 |
| mov dword [edi],edx |
| add edi,4 |
| mov dword [edi+4],ebx |
| mov dword [edi+8],ecx |
| mov dword [edi+12],edx |
| add edi,16 |
| add esi,12 |
| |
| cmp edi,0x280000+2856*2 ;2849 clusters |
| 64,9 → 61,8 |
|---|
| shrd eax,ebx,8 |
| shr ebx,8 |
| mov dword [edi],eax |
| add edi,4 |
| mov word [edi],bx |
| add edi,2 |
| mov word [edi+4],bx |
| add edi,6 |
| add esi,8 |
| |
| cmp edi,0x100000+512+4278 ;4274 bytes - all used FAT |
| 100,8 → 96,8 |
|---|
| repne scasw |
| jnz rdfs2 ;if last cluster not 0 |
| inc ebx |
| jcxz rdfs2 ;if last cluster=0 |
| jmp rdfs1 ;if not last |
| test ecx, ecx |
| jnz rdfs1 |
| rdfs2: |
| shl ebx,9 ;free clusters*512 |
| mov edi,ebx |
| 438,15 → 434,11 |
|---|
| jbe flnsa |
| sub eax,512 |
| mov [esp+12],eax |
| mov eax,[esp+16] |
| add eax,512 |
| mov [esp+16],eax |
| add dword [esp+16], 512 |
| jmp frnewds |
| |
| flnsa: |
| dec edi |
| dec edi |
| mov [edi],word 4095 ; mark end of file - last cluster |
| mov [edi-2],word 4095 ; mark end of file - last cluster |
| |
| frnoreadds: |
| |
| 644,7 → 636,7 |
|---|
| push ecx |
| mov ecx, 8 |
| push edi ebp ecx |
| cmp byte [ebp-4], 0 |
| test byte [ebp-4], 1 |
| jnz .unicode_short |
| @@: |
| mov al, [edi] |
| 763,7 → 755,7 |
|---|
| ret |
| @@: |
| ; if this is first entry: |
| cmp byte [ebp-4], 0 |
| test byte [ebp-4], 1 |
| jnz .ret |
| ; buffer at ebp contains UNICODE name, convert it to ANSI |
| push esi edi |
| 872,13 → 864,20 |
|---|
| push ecx edi |
| lea edi, [esi+40] |
| mov esi, ebp |
| mov ecx, 259/2 |
| test byte [esi-4], 1 |
| jz .ansi |
| mov ecx, 260/2 |
| rep movsd |
| movsw |
| stosw |
| mov [edi-2], ax |
| @@: |
| mov esi, edi |
| pop edi ecx |
| ret |
| .ansi: |
| mov ecx, 264/4 |
| rep movsd |
| mov [edi-1], al |
| jmp @b |
| |
| rd_find_lfn: |
| ; in: esi->name |
| 1013,7 → 1012,9 |
|---|
| ; fs_RamdiskReadFolder - LFN variant for reading sys floppy folder |
| ; |
| ; esi points to filename; only root is folder on ramdisk |
| ; ebx pointer to 32-bit number = first wanted block |
| ; ebx pointer to structure 32-bit number = first wanted block |
| ; & flags (bitfields) |
| ; flags: bit 0: 0=ANSI names, 1=UNICODE names |
| ; ecx number of blocks to read, 0+ |
| ; edx mem location to return data |
| ; |
| 1022,7 → 1023,6 |
|---|
| ; |
| ;-------------------------------------------------------------- |
| fs_RamdiskReadFolder: |
| mov ebx, [ebx] |
| cmp byte [esi], 0 |
| jz @f |
| ; ramdisk doesn't support folders |
| 1042,7 → 1042,8 |
|---|
| push ebp |
| sub esp, 262*2 ; allocate space for LFN |
| mov ebp, esp |
| push 1 ; for fat_get_name: read UNICODE name |
| push dword [ebx+4] ; for fat_get_name: read ANSI/UNICODE name |
| mov ebx, [ebx] |
| ; read root |
| mov esi, edi ; esi points to block of data of folder entry (BDFE) |
| mov edi, 0x100000+512*19 |