| 5056,12 → 5056,37 |
|---|
| ;----------------------------------------------------------------------------- |
| align 4 |
| syscall_cdaudio: ; CD |
| ; ECX - position of CD/DVD-drive |
| ; from 0=Primary Master to 3=Secondary Slave for first IDE contr. |
| ; from 4=Primary Master to 7=Secondary Slave for second IDE contr. |
| ; from 8=Primary Master to 11=Secondary Slave for third IDE contr. |
| cmp ecx, 11 |
| ja .exit |
| |
| mov eax, ecx |
| shr eax, 2 |
| lea eax, [eax*5] |
| mov al, [eax+DRIVE_DATA+1] |
| |
| push ecx ebx |
| mov ebx, ecx |
| and ebx, 11b |
| shl ebx, 1 |
| mov cl, 6 |
| sub cl, bl |
| shr al, cl |
| test al, 2 ; it's not an ATAPI device |
| pop ebx ecx |
| |
| jz .exit |
| |
| cmp ebx, 4 |
| je .eject |
| |
| cmp ebx, 5 |
| je .load |
| |
| ;-------------------------------------- |
| .exit: |
| ret |
| ;-------------------------------------- |
| .load: |
| 5082,23 → 5107,7 |
|---|
| mov ebx, ecx |
| inc ebx |
| mov [cdpos], ebx |
| mov eax, ebx |
| |
| mov ebx, ecx |
| and ebx, 11b |
| shl ebx, 1 |
| mov cl, 8 |
| sub cl, bl |
| |
| dec eax |
| shr eax, 2 |
| lea eax, [eax*5] |
| mov al, [eax+DRIVE_DATA+1] |
| |
| shr al, cl |
| test al, 2 ; it's not an ATAPI device |
| jz .ret |
| |
| mov eax, ecx |
| shr eax, 1 |
| and eax, 1 |
| 5108,8 → 5117,6 |
|---|
| and eax, 1 |
| mov [DiskNumber], al |
| call reserve_cd_channel |
| ;-------------------------------------- |
| .ret: |
| ret |
| ;-------------------------------------- |
| .free: |