| 37,7 → 37,6 |
|---|
| |
| ;------------------------------------------------------------------------------- |
| proc START stdcall, state:dword |
| |
| cmp [state], 1 |
| jne .stop |
| .entry: |
| 53,15 → 52,16 |
|---|
| |
| if DEBUG |
| movzx eax,al ;major version |
| mov esi,sb_DSP_description |
| dec eax |
| jz .sb_say_about_found_dsp |
| mov dword[sb_DSP_description],'2.x ' |
| mov dword[esi],'2.x ' |
| dec eax |
| jz .sb_say_about_found_dsp |
| mov dword[sb_DSP_description],'Pro ' |
| mov dword[esi],'Pro ' |
| dec eax |
| jz .sb_say_about_found_dsp |
| mov dword[sb_DSP_description],'16 ' |
| mov dword[esi],'16 ' |
| .sb_say_about_found_dsp: |
| mov esi,msgDSPFound |
| call SysMsgBoardStr |
| 69,7 → 69,7 |
|---|
| xor eax,eax |
| mov ebx,[sb_base_port] |
| lea ecx,[ebx+0xF] |
| call ReservePortArea ;these ports must be mine! |
| call ReservePortArea ;these ports must be my! |
| if DEBUG |
| dec eax |
| jnz @f |
| 147,6 → 147,8 |
|---|
| |
| call sb_set_dma ;is it really needed here? Paranoia. |
| call sb_play |
| xor eax,eax ;set maximum volume |
| call sb_set_master_vol |
| xor eax,eax |
| ret |
| ;@@: ;all this commented stuff in service proc |
| 172,30 → 174,35 |
|---|
| if DEBUG |
| call SysMsgBoardNum |
| end if |
| xor eax,eax |
| ret |
| @@: |
| ; cmp eax,DEV_SET_MASTERVOL |
| ; jne @F |
| ;if DEBUG |
| ; mov esi,msgSetVol |
| ; call SysMsgBoardStr |
| ;end if |
| ; mov eax,[edi+input] |
| ; mov eax,[eax] |
| ; mov [sb_master_vol],eax |
| ; ret |
| ;@@: |
| ; cmp eax,DEV_GET_MASTERVOL |
| ; jne @F |
| ;if DEBUG |
| ; mov esi,msgGetVol |
| ; call SysMsgBoardStr |
| ;end if |
| ; mov eax,[edi+output] |
| ; mov edx,[sb_master_vol] |
| ; mov [eax],edx |
| ; ret |
| cmp eax,DEV_SET_MASTERVOL ;Serge asked me to unlock |
| jne @F ;DEV_SET(GET)_MASTERVOL, although mixer doesn't use it. |
| ;It doesn't use it _in current version_ - but in the future... |
| |
| if DEBUG |
| mov esi,msgSetVol |
| call SysMsgBoardStr |
| end if |
| mov eax,[edi+input] |
| mov eax,[eax] |
| call sb_set_master_vol |
| xor eax,eax |
| ret |
| @@: |
| cmp eax,DEV_GET_MASTERVOL |
| jne @F |
| if DEBUG |
| mov esi,msgGetVol |
| call SysMsgBoardStr |
| end if |
| mov eax,[edi+output] |
| mov edx,[sb_master_vol] |
| mov [eax],edx |
| xor eax,eax |
| ret |
| |
| .fail: |
| or eax, -1 |
| ret |
| 222,18 → 229,22 |
|---|
| test eax,eax |
| jns .fill_second_half |
| |
| if sb_buffer_size eq small_buffer |
| stdcall [callback],SB16Buffer0 ;for 32k buffer |
| ; stdcall [callback],SB16Buffer0 ;for 64k buffer |
| ; stdcall [callback],SB16Buffer1 ;for 64k buffer |
| |
| else if sb_buffer_size eq full_buffer |
| stdcall [callback],SB16Buffer0 ;for 64k buffer |
| stdcall [callback],SB16Buffer1 ;for 64k buffer |
| end if |
| xor eax,eax |
| ret |
| |
| .fill_second_half: |
| if sb_buffer_size eq small_buffer |
| stdcall [callback],SB16Buffer1 ;for 32k buffer |
| ; stdcall [callback],SB16Buffer2 ;for 64k buffer |
| ; stdcall [callback],SB16Buffer3 ;for 64k buffer |
| |
| else if sb_buffer_size eq full_buffer |
| stdcall [callback],SB16Buffer2 ;for 64k buffer |
| stdcall [callback],SB16Buffer3 ;for 64k buffer |
| end if |
| xor eax,eax |
| ret |
| endp |
| 291,6 → 302,7 |
|---|
| div dl |
| ror eax,16 |
| xor ah,ah |
| mov [sb_DSP_version_int],eax ;for internal usage |
| if DEBUG |
| add [sb_DSP_version],eax |
| end if |
| 302,7 → 314,7 |
|---|
| endp |
| ;------------------------------------------------------------------------------- |
| if DEBUG |
| proc SysMsgBoardNum |
| proc SysMsgBoardNum ;warning: destroys eax,ebx,ecx,esi |
| mov ebx,eax |
| mov ecx,8 |
| mov esi,(number_to_out+1) |
| 323,18 → 335,11 |
|---|
| endp |
| end if |
| ;all initialized data place here |
| |
| align 4 |
| version dd (5 shl 16) or (API_VERSION and 0xFFFF) |
| |
| sb_base_port: dd 200h |
| sb_base_port: dd 200h ;don't ask me why - see the code&docs |
| |
| ;pTempBuf dd 0 |
| |
| callback dd 0 |
| |
| int_flip_flop dd 0 |
| |
| sound_dma dd sb_dma_num |
| |
| ;note that 4th DMA channel doesn't exist, it is used for cascade |
| 341,8 → 346,6 |
|---|
| ;plugging the first DMA controler to the second |
| dma_table db 0x87,0x83,0x81,0x82,0xFF,0x8B,0x89,0x8A |
| |
| ;sb_master_vol dd 0 |
| |
| my_service db 'SOUND',0 ;max 16 chars include zero |
| |
| if DEBUG |
| 360,8 → 363,8 |
|---|
| db ' as hardcoded',13,10,0 |
| msgErrRsrvPorts db 'failed to reserve needed ports.',13,10 |
| db 'Driver may work unstable',13,10,0 |
| ;msgSetVol db 'DEV_SET_MASTERVOL call came',13,10,0 |
| ;msgGetVol db 'DEV_GET_MASTERVOL call came',13,10,0 |
| msgSetVol db 'DEV_SET_MASTERVOL call came',13,10,0 |
| msgGetVol db 'DEV_GET_MASTERVOL call came',13,10,0 |
| msgErrDMAsetup db 'failed to setup DMA - bad channel',13,10,0 |
| ;------------------------------------------------------------------------------- |
| msgDSPFound db 'DSP found at port 2' |
| 371,5 → 374,16 |
|---|
| sb_DSP_description: db 32,32,32,32,13,10,0 |
| ;------------------------------------------------------------------------------- |
| end if |
| ;section '.data' data readable writable align 16 |
| |
| section '.data' data readable writable align 16 |
| ;all uninitialized data place here |
| |
| ;pTempBuf rd 1 |
| |
| callback rd 1 |
| |
| int_flip_flop rd 1 |
| |
| sb_master_vol rd 1 |
| |
| sb_DSP_version_int rd 1 |