| 28,23 → 28,8 |
|---|
| db 3,'hd3' |
| dd fs_OnHd3 |
| dd fs_NextHd3 |
| ;********************************************** |
| db 3,'cd0' |
| dd fs_OnCd0 |
| dd fs_NextCd |
| db 3,'cd1' |
| dd fs_OnCd1 |
| dd fs_NextCd |
| db 3,'cd2' |
| dd fs_OnCd2 |
| dd fs_NextCd |
| db 3,'cd3' |
| dd fs_OnCd3 |
| dd fs_NextCd |
| ;*********************************************** |
| db 0 |
| |
| |
| virtual_root_query: |
| dd fs_HasRamdisk |
| db 'rd',0 |
| 58,16 → 43,6 |
|---|
| db 'hd2',0 |
| dd fs_HasHd3 |
| db 'hd3',0 |
| ;********************************************** |
| dd fs_HasCd0 |
| db 'cd0',0 |
| dd fs_HasCd1 |
| db 'cd1',0 |
| dd fs_HasCd2 |
| db 'cd2',0 |
| dd fs_HasCd3 |
| db 'cd3',0 |
| ;********************************************** |
| dd 0 |
| endg |
| |
| 445,71 → 420,6 |
|---|
| dd fs_HdSetFileInfo |
| fs_NumHdServices = ($ - fs_HdServices)/4 |
| |
| ;******************************************************* |
| fs_OnCd0: |
| call reserve_cd |
| mov [ChannelNumber],1 |
| mov [DiskNumber],0 |
| push 6 |
| jmp fs_OnCd |
| fs_OnCd1: |
| call reserve_cd |
| mov [ChannelNumber],1 |
| mov [DiskNumber],1 |
| push 4 |
| jmp fs_OnCd |
| fs_OnCd2: |
| call reserve_cd |
| mov [ChannelNumber],2 |
| mov [DiskNumber],0 |
| push 2 |
| jmp fs_OnCd |
| fs_OnCd3: |
| call reserve_cd |
| mov [ChannelNumber],2 |
| mov [DiskNumber],1 |
| push 0 |
| fs_OnCd: |
| |
| pop eax |
| mov [hdpos], eax |
| cmp ecx, 0x100 |
| jae .nf |
| push cx bx |
| mov cl,al |
| mov bl,[0x40001] |
| shr bl,cl |
| test bl,2 |
| pop bx cx |
| |
| jnz @f |
| .nf: |
| and [cd_status], 0 |
| mov dword [esp+36], 5 ; not found |
| ret |
| @@: |
| mov ecx, [ebx+12] |
| mov edx, [ebx+16] |
| add edx, std_application_base_address |
| mov eax, [ebx] |
| cmp eax, 1 |
| ja .not_impl |
| add ebx, 4 |
| call dword [fs_CdServices + eax*4] |
| and [cd_status], 0 |
| mov [esp+36], eax |
| mov [esp+24], ebx |
| ret |
| .not_impl: |
| and [hd1_status], 0 |
| mov dword [esp+36], 2 ; not implemented |
| ret |
| |
| fs_CdServices: |
| dd fs_CdRead |
| dd fs_CdReadFolder |
| ;******************************************************* |
| |
| fs_HasRamdisk: |
| mov al, 1 ; we always have ramdisk |
| ret |
| 544,33 → 454,6 |
|---|
| setz al |
| ret |
| |
| ;******************************************************* |
| fs_HasCd0: |
| mov al, [0x40001] |
| and al, 11000000b |
| cmp al, 10000000b |
| setz al |
| ret |
| fs_HasCd1: |
| mov al, [0x40001] |
| and al, 00110000b |
| cmp al, 00100000b |
| setz al |
| ret |
| fs_HasCd2: |
| mov al, [0x40001] |
| and al, 00001100b |
| cmp al, 00001000b |
| setz al |
| ret |
| fs_HasCd3: |
| mov al, [0x40001] |
| and al, 00000011b |
| cmp al, 00000010b |
| setz al |
| ret |
| ;******************************************************* |
| |
| ; fs_NextXXX functions: |
| ; in: eax = partition number, from which start to scan |
| ; out: CF=1 => no more partitions |
| 626,16 → 509,3 |
|---|
| inc eax |
| clc |
| ret |
| |
| ;******************************************************* |
| fs_NextCd: |
| ; we always have /cdX/1 |
| test eax, eax |
| stc |
| jnz @f |
| mov al, 1 |
| clc |
| @@: |
| ret |
| ;******************************************************* |
| |