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kolibrios/kernel/trunk/drivers/MIXER.ASM
Sergey Semyonov (Serge) b6950333ac new kernel 
git-svn-id: svn://kolibrios.org@164 a494cfbc-eb01-0410-851d-a64ba20cac60
2006-10-06 06:09:41 +00:00

1291 lines
24 KiB
NASM
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;
; This file is part of the Infinity sound library.
; (C) copyright Serge 2006
; email: infinity_sound@mail.ru
;
; This program is free software; you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation; either version 2 of the License, or
; (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
align 4
proc new_mix stdcall, output:dword
locals
mixCounter dd ?
mixIndex dd ?
streamIndex dd ?
inputCount dd ?
main_count dd ?
blockCount dd ?
mix_out dd ?
endl
call prepare_playlist
cmp [play_count], 0
je .exit
; mov eax, fpu_state
; fnsave [eax]
call [FpuSave]
emms
mov [main_count], 32;
.l00:
mov [mix_buff_map], 0x0000FFFF;
xor eax, eax
mov [mixCounter], eax
mov [mixIndex],eax
mov [streamIndex], eax;
mov ebx, [play_count]
mov [inputCount], ebx
.l0:
mov ecx, 4
.l1:
mov ebx, [streamIndex]
mov esi, [play_list+ebx*4]
mov eax, [esi+STREAM.work_read]
add [esi+STREAM.work_read], 512
mov ebx, [mixIndex]
mov [mix_input+ebx*4], eax
inc [mixCounter]
inc [mixIndex]
inc [streamIndex]
dec [inputCount]
jz .m2
dec ecx
jnz .l1
cmp [mixCounter], 4
jnz .m2
stdcall mix_4_1, [mix_input],[mix_input+4],[mix_input+8],[mix_input+12]
sub [mixIndex],4
mov ebx, [mixIndex]
mov [mix_input+ebx*4], eax
inc [mixIndex]
mov [mixCounter], 0
cmp [inputCount], 0
jnz .l0
.m2:
cmp [mixIndex], 1
jne @f
stdcall copy_mem, [output], [mix_input]
jmp .m3
@@:
cmp [mixIndex], 2
jne @f
stdcall mix_2_1, [output], [mix_input], [mix_input+4]
jmp .m3
@@:
cmp [mixIndex], 3
jne @f
stdcall mix_3_1, [output],[mix_input],[mix_input+4],[mix_input+8]
jmp .m3
@@:
stdcall final_mix, [output],[mix_input],[mix_input+4],[mix_input+8], [mix_input+12]
.m3:
add [output],512
sub [main_count], 1
jnz .l00
call update_stream
call [FpuRestore]
ret
.exit:
mov edi, [output]
mov ecx, 0x1000
xor eax, eax
cld
rep stosd
ret
endp
align 4
proc update_stream
locals
stream_index dd 0
endl
mov [stream_index], 0
.l1:
mov edx, [stream_index]
mov esi, [play_list+edx*4]
mov eax, [esi+STREAM.work_read]
cmp eax, [esi+STREAM.work_top]
jb @f
mov eax, [esi+STREAM.work_buff]
@@:
mov [esi+STREAM.work_read], eax
cmp [esi+STREAM.format], PCM_2_16_48
je .copy
sub [esi+STREAM.work_count], 16384
cmp [esi+STREAM.work_count], 32768
ja @f
stdcall refill, esi
@@:
inc [stream_index]
dec [play_count]
jnz .l1
ret
.copy:
mov ebx, esi
mov edi, [ebx+STREAM.work_write]
cmp edi, [ebx+STREAM.work_top]
jb @f
mov edi, [ebx+STREAM.work_buff]
mov [ebx+STREAM.work_write], edi
@@:
mov esi, [ebx+STREAM.curr_seg]
mov ecx, 16384/4
cld
rep movsd
mov [ebx+STREAM.work_write], edi
cmp esi, [ebx+STREAM.limit]
jb @f
mov esi, [ebx+STREAM.base]
@@:
mov [ebx+STREAM.curr_seg], esi
xor ecx, ecx
cmp esi, [ebx+STREAM.notify_off2]
je @f
mov ecx,0x8000
cmp esi, [ebx+STREAM.notify_off1]
je @f
inc [stream_index]
dec [play_count]
jnz .l1
ret
@@:
mov eax, [ebx+STREAM.notify_task]
call pid_to_slot
test eax, eax
jnz @f
not eax
mov [ebx+STREAM.notify_task], eax ;-1
jmp .l_end
@@:
shl eax, 8
mov [eax+PROC_BASE+32],ecx
or dword [eax+PROC_BASE+0xA8],EVENT_NOTIFY
.l_end:
inc [stream_index]
dec [play_count]
jnz .l1
ret
endp
align 4
proc refill stdcall, str:dword
; if DEBUG
; mov esi, msgUser
; call [SysMsgBoardStr]
; end if
mov ebx, [str]
mov ecx, [ebx+STREAM.work_write]
cmp ecx, [ebx+STREAM.work_top]
jbe .m2
mov esi, [ebx+STREAM.work_top]
sub ecx, esi
mov edi, [ebx+STREAM.work_buff]
shr ecx, 2
rep movsd ;call memcpy
mov [ebx+STREAM.work_write], edi
.m2:
mov esi, [ebx+STREAM.curr_seg]
mov edi, [ebx+STREAM.work_write]
mov edx, [ebx+STREAM.r_buff]
stdcall [ebx+STREAM.resample], edi, esi, edx,\
[ebx+STREAM.r_dt],[ebx+STREAM.r_size],[ebx+STREAM.r_end]
mov ebx, [str]
add [ebx+STREAM.work_count], eax;
add [ebx+STREAM.work_write], eax;
mov eax, [ebx+STREAM.curr_seg]
add eax, [ebx+STREAM.r_size]
cmp eax, [ebx+STREAM.limit]
jb @f
mov eax, [ebx+STREAM.base]
@@:
mov [ebx+STREAM.curr_seg], eax
xor ecx, ecx
cmp eax, [ebx+STREAM.notify_off2]
je @f
mov ecx,0x8000
cmp eax, [ebx+STREAM.notify_off1]
je @f
ret
@@:
mov eax, [ebx+STREAM.notify_task]
call pid_to_slot
test eax, eax
jnz @f
not eax
mov [ebx+STREAM.notify_task], eax ;-1
ret
@@:
shl eax, 8
mov [eax+PROC_BASE+32],ecx
or dword [eax+PROC_BASE+0xA8],EVENT_NOTIFY
ret
endp
align 4
proc resample_1 stdcall, dest:dword,src:dword,r_buff:dword,\
r_dt:dword, r_size:dword,r_end:dword
mov edi, [r_buff]
add edi, 32*2
mov esi, [src]
mov ecx, [r_size]
shr ecx, 2
rep movsd
mov edi, [dest]
mov edx, [r_buff]
mov eax, 16
align 16
.l1:
mov ecx, eax
mov esi, eax
and ecx, 0x7FFF
shr esi, 15
lea esi, [edx+esi*2]
movsx ebp, word [esi]
movsx esi, word [esi+2]
mov ebx, 32768
imul esi, ecx
sub ebx, ecx
imul ebx, ebp
lea ecx, [ebx+esi+16384]
sar ecx, 15
cmp ecx, 32767 ; 00007fffH
jle @f
mov ecx, 32767 ; 00007fffH
jmp .write
@@:
cmp ecx, -32768 ; ffff8000H
jge .write
mov ecx, -32768 ; ffff8000H
.write:
mov ebx, ecx
shl ebx, 16
mov bx, cx
mov [edi], ebx
add edi, 4
add eax, [esp+20] ;rdt
cmp eax, [esp+28] ;r_end
jb .l1
mov ebp, esp
mov esi, [src]
add esi, [r_size]
sub esi, 32*2
mov edx, [r_buff]
mov ecx, 16
@@:
mov ebx, [esi]
mov [edx], ebx
add esi, 4
add edx, 4
dec ecx
jnz @B
sub edi, [dest]
mov eax, edi
ret
endp
align 4
proc resample_18 stdcall, dest:dword,src:dword,r_buff:dword,\
r_dt:dword, r_size:dword,r_end:dword
mov edi, [r_buff]
add edi, 32
mov esi, [src]
mov ecx, [r_size]
shr ecx, 2
rep movsd
mov edi, [dest]
mov edx, [r_buff]
mov esi, 16
align 16
.l1:
mov ecx, esi
mov eax, esi
and ecx, 0x7FFF
shr eax, 15
lea eax, [edx+eax]
mov bx, word [eax]
sub bh, 0x80
sub bl, 0x80
movsx eax, bh
shl eax,8
movsx ebp, bl
shl ebp,8
mov ebx, 32768
imul eax, ecx
sub ebx, ecx
imul ebx, ebp
lea ecx, [ebx+eax+16384]
sar ecx, 15
cmp ecx, 32767 ; 00007fffH
jle @f
mov ecx, 32767 ; 00007fffH
jmp .write
@@:
cmp ecx, -32768 ; ffff8000H
jge .write
mov ecx, -32768 ; ffff8000H
.write:
mov ebx, ecx
shl ebx, 16
mov bx, cx
mov [edi], ebx
add edi, 4
add esi, [esp+20] ;rdt
cmp esi, [esp+28] ;r_end
jb .l1
mov ebp, esp
mov esi, [src]
add esi, [r_size]
sub esi, 32
mov edx, [r_buff]
mov ecx, 8
@@:
mov ebx, [esi]
mov [edx], ebx
add esi, 4
add edx, 4
dec ecx
jnz @B
sub edi, [dest]
mov eax, edi
ret
endp
align 4
proc copy_stream stdcall, dest:dword,src:dword,r_buff:dword,\
r_dt:dword, r_size:dword,r_end:dword
mov ecx, [r_size]
mov eax, ecx
shr ecx, 2
mov esi, [src]
mov edi, [dest]
rep movsd
mov eax, 16384
ret
endp
align 4
proc resample_2 stdcall, dest:dword,src:dword,r_buff:dword,\
r_dt:dword, r_size:dword,r_end:dword
mov edi, [r_buff]
add edi, 32*4
mov esi, [src]
mov ecx, [r_size]
shr ecx, 2
rep movsd ;call memcpy
mov edx, [r_buff]
mov edi, [dest]
mov ebx, [r_dt]
mov eax, 16
emms
align 16
.l1:
mov ecx, eax
mov esi, eax
and ecx, 0x7FFF
shr esi, 15
lea esi, [edx+esi*4]
movq mm0, [esi]
movq mm1, mm0
movd mm2, ecx
punpcklwd mm2, mm2
movq mm3, qword [m7] ; // 0x8000
psubw mm3, mm2 ; // 0x8000 - iconst
punpckldq mm3, mm2
pmulhw mm0, mm3
pmullw mm1, mm3
movq mm4, mm1
punpcklwd mm1, mm0
punpckhwd mm4, mm0
paddd mm1, mm4
psrad mm1, 15
packssdw mm1, mm1
movd [edi], mm1
add edi, 4
add eax, ebx
cmp eax, [r_end]
jb .l1
emms
mov esi, [src]
add esi, [r_size]
sub esi, 32*4
mov edx, [r_buff]
mov ecx, 32
@@:
mov ebx, [esi]
mov [edx], ebx
add esi, 4
add edx, 4
dec ecx
jnz @B
sub edi, [dest]
mov eax, edi
ret
endp
align 4
proc resample_28 stdcall, dest:dword,src:dword,r_buff:dword,\
r_dt:dword, r_size:dword,r_end:dword
mov edi, [r_buff]
add edi, 32*2
mov esi, [src]
mov ecx, [r_size]
shr ecx, 2
rep movsd ;call memcpy
mov edx, [r_buff]
mov edi, [dest]
mov ebx, [r_dt]
mov eax, 16
emms
movq mm7,[mm80]
movq mm6,[mm_mask]
align 16
.l1:
mov ecx, eax
mov esi, eax
and ecx, 0x7FFF
shr esi, 15
lea esi, [edx+esi*2]
movq mm0, [esi]
psubb mm0,mm7
punpcklbw mm0,mm0
pand mm0,mm6
movq mm1, mm0
movd mm2, ecx
punpcklwd mm2, mm2
movq mm3, qword [m7] ; // 0x8000
psubw mm3, mm2 ; // 0x8000 - iconst
punpckldq mm3, mm2
pmulhw mm0, mm3
pmullw mm1, mm3
movq mm4, mm1
punpcklwd mm1, mm0
punpckhwd mm4, mm0
paddd mm1, mm4
psrad mm1, 15
packssdw mm1, mm1
movd [edi], mm1
add edi, 4
add eax, ebx
cmp eax, [r_end]
jb .l1
emms
mov esi, [src]
add esi, [r_size]
sub esi, 32*2
mov edx, [r_buff]
mov ecx, 16
@@:
mov ebx, [esi]
mov [edx], ebx
add esi, 4
add edx, 4
dec ecx
jnz @B
sub edi, [dest]
mov eax, edi
ret
endp
proc m16_stereo stdcall, dest:dword,src:dword,r_buff:dword,\
r_dt:dword, r_size:dword,r_end:dword
mov esi, [src]
mov edi, [dest]
mov ecx, [r_size]
shr ecx,8
@@:
call m16_s_mmx
add edi, 128
add esi, 64
call m16_s_mmx
add edi, 128
add esi, 64
call m16_s_mmx
add edi, 128
add esi, 64
call m16_s_mmx
add edi, 128
add esi, 64
dec ecx
jnz @b
mov eax, [r_size]
add eax, eax
ret
endp
align 4
proc s8_stereo stdcall, dest:dword,src:dword,r_buff:dword,\
r_dt:dword, r_size:dword,r_end:dword
mov esi, [src]
mov edi, [dest]
mov ecx, [r_size]
shr ecx, 7
movq mm7, [mm80]
movq mm6, [mm_mask]
@@:
call s8_s_mmx
add edi, 64
add esi, 32
call s8_s_mmx
add edi, 64
add esi, 32
call s8_s_mmx
add edi, 64
add esi, 32
call s8_s_mmx
add edi, 64
add esi, 32
dec ecx
jnz @b
mov eax, [r_size]
add eax, eax
ret
endp
proc m8_stereo stdcall, dest:dword,src:dword,r_buff:dword,\
r_dt:dword, r_size:dword,r_end:dword
mov esi, [src]
mov edi, [dest]
mov ecx, [r_size]
shr ecx, 6
movq mm7, [mm80]
movq mm6, [mm_mask]
@@:
call m8_s_mmx
add edi, 64
add esi, 16
call m8_s_mmx
add edi, 64
add esi, 16
call m8_s_mmx
add edi, 64
add esi, 16
call m8_s_mmx
add edi, 64
add esi, 16
dec ecx
jnz @b
mov eax, [r_size]
add eax, eax
add eax, eax
ret
endp
align 4
proc alloc_mix_buff
bsf eax, [mix_buff_map]
jnz .find
xor eax, eax
ret
.find:
btr [mix_buff_map], eax
shl eax, 9
add eax, [mix_buff]
ret
endp
proc m16_s_mmx
movq mm0, [esi]
movq mm1, mm0
punpcklwd mm0, mm0
punpckhwd mm1, mm1
movq [edi], mm0
movq [edi+8], mm1
movq mm0, [esi+8]
movq mm1, mm0
punpcklwd mm0, mm0
punpckhwd mm1, mm1
movq [edi+16], mm0
movq [edi+24], mm1
movq mm0, [esi+16]
movq mm1, mm0
punpcklwd mm0, mm0
punpckhwd mm1, mm1
movq [edi+32], mm0
movq [edi+40], mm1
movq mm0, [esi+24]
movq mm1, mm0
punpcklwd mm0, mm0
punpckhwd mm1, mm1
movq [edi+48], mm0
movq [edi+56], mm1
movq mm0, [esi+32]
movq mm1, mm0
punpcklwd mm0, mm0
punpckhwd mm1, mm1
movq [edi+64], mm0
movq [edi+72], mm1
movq mm0, [esi+40]
movq mm1, mm0
punpcklwd mm0, mm0
punpckhwd mm1, mm1
movq [edi+80], mm0
movq [edi+88], mm1
movq mm0, [esi+48]
movq mm1, mm0
punpcklwd mm0, mm0
punpckhwd mm1, mm1
movq [edi+96], mm0
movq [edi+104], mm1
movq mm0, [esi+56]
movq mm1, mm0
punpcklwd mm0, mm0
punpckhwd mm1, mm1
movq [edi+112], mm0
movq [edi+120], mm1
ret
endp
align 4
proc s8_s_mmx
movq mm0, [esi]
psubb mm0, mm7
movq mm1, mm0
punpcklbw mm0, mm0
pand mm0, mm6
punpckhbw mm1, mm1
pand mm1, mm6
movq [edi], mm0
movq [edi+8], mm1
movq mm0, [esi+8]
psubb mm0, mm7
movq mm1, mm0
punpcklbw mm0, mm0
pand mm0, mm6
punpckhbw mm1, mm1
pand mm1, mm6
movq [edi+16], mm0
movq [edi+24], mm1
movq mm0, [esi+16]
psubb mm0, mm7
movq mm1, mm0
punpcklbw mm0, mm0
pand mm0, mm6
punpckhbw mm1, mm1
pand mm1, mm6
movq [edi+32], mm0
movq [edi+40], mm1
movq mm0, [esi+24]
psubb mm0, mm7
movq mm1, mm0
punpcklbw mm0, mm0
pand mm0, mm6
punpckhbw mm1, mm1
pand mm1, mm6
movq [edi+48], mm0
movq [edi+56], mm1
ret
endp
align 4
proc m8_s_mmx
movq mm0, [esi]
psubb mm0, mm7
movq mm1, mm0
punpcklbw mm0, mm0
pand mm0, mm6
punpckhbw mm1, mm1
pand mm1, mm6
movq mm2, mm0
punpcklwd mm0, mm0
punpckhwd mm2, mm2
movq mm3, mm1
punpcklwd mm1, mm1
punpckhwd mm3, mm3
movq [edi], mm0
movq [edi+8], mm2
movq [edi+16], mm1
movq [edi+24], mm3
movq mm0, [esi+8]
psubb mm0, mm7
movq mm1, mm0
punpcklbw mm0, mm0
pand mm0, mm6
punpckhbw mm1, mm1
pand mm1, mm6
movq mm2, mm0
punpcklwd mm0, mm0
punpckhwd mm2, mm2
movq mm3, mm1
punpcklwd mm1, mm1
punpckhwd mm3, mm3
movq [edi+32], mm0
movq [edi+40], mm2
movq [edi+48], mm1
movq [edi+56], mm3
ret
endp
align 4
proc mix_2_1 stdcall, output:dword, str0:dword, str1:dword
mov edi, [output]
stdcall mix_2_1_mmx, edi, [str0],[str1]
add edi, 128
add [str0], 128
add [str1], 128
stdcall mix_2_1_mmx, edi, [str0],[str1]
add edi, 128
add [str0], 128
add [str1], 128
stdcall mix_2_1_mmx, edi, [str0],[str1]
add edi, 128
add [str0], 128
add [str1], 128
stdcall mix_2_1_mmx, edi, [str0],[str1]
ret
endp
align 4
proc mix_3_1 stdcall, output:dword, str0:dword, str1:dword, str2:dword
mov edi, [output]
stdcall mix_3_1_mmx, edi, [str0],[str1],[str2]
add edi, 128
add [str0], 128
add [str1], 128
add [str2], 128
stdcall mix_3_1_mmx, edi, [str0],[str1],[str2]
add edi, 128
add [str0], 128
add [str1], 128
add [str2], 128
stdcall mix_3_1_mmx, edi, [str0],[str1],[str2]
add edi, 128
add [str0], 128
add [str1], 128
add [str2], 128
stdcall mix_3_1_mmx, edi, [str0],[str1],[str2]
ret
endp
align 4
proc mix_4_1 stdcall, str0:dword, str1:dword,\
str2:dword, str3:dword
local output:DWORD
call alloc_mix_buff
and eax, eax
jz .err
mov [output], eax
mov edi, eax
stdcall mix_4_1_mmx, edi, [str0],[str1],[str2],[str3]
add edi, 128
add [str0], 128
add [str1], 128
add [str2], 128
add [str3], 128
stdcall mix_4_1_mmx, edi, [str0],[str1],[str2],[str3]
add edi, 128
add [str0], 128
add [str1], 128
add [str2], 128
add [str3], 128
stdcall mix_4_1_mmx, edi, [str0],[str1],[str2],[str3]
add edi, 128
add [str0], 128
add [str1], 128
add [str2], 128
add [str3], 128
stdcall mix_4_1_mmx, edi, [str0],[str1],[str2],[str3]
mov eax, [output]
ret
.err:
xor eax, eax
ret
endp
align 4
proc final_mix stdcall, output:dword, str0:dword, str1:dword,\
str2:dword, str3:dword
mov edi, [output]
stdcall mix_4_1_mmx, edi, [str0],[str1],[str2],[str3]
add edi, 128
add [str0], 128
add [str1], 128
add [str2], 128
add [str3], 128
stdcall mix_4_1_mmx, edi, [str0],[str1],[str2],[str3]
add edi, 128
add [str0], 128
add [str1], 128
add [str2], 128
add [str3], 128
stdcall mix_4_1_mmx, edi, [str0],[str1],[str2],[str3]
add edi, 128
add [str0], 128
add [str1], 128
add [str2], 128
add [str3], 128
stdcall mix_4_1_mmx, edi, [str0],[str1],[str2],[str3]
ret
endp
align 4
proc mix_2_1_mmx stdcall, output:dword, str0:dword, str1:dword
mov edx, [output]
mov eax, [str0]
mov ecx, [str1]
movq mm0, [eax]
paddsw mm0, [ecx]
; psraw mm0, 1
movq [edx], mm0
movq mm1, [eax+8]
paddsw mm1,[ecx+8]
; psraw mm1, 1
movq [edx+8], mm1
movq mm2, [eax+16]
paddsw mm2, [ecx+16]
; psraw mm2, 1
movq [edx+16], mm2
movq mm3, [eax+24]
paddsw mm3, [ecx+24]
; psraw mm3, 1
movq [edx+24], mm3
movq mm0, [eax+32]
paddsw mm0, [ecx+32]
; psraw mm0, 1
movq [edx+32], mm0
movq mm1, [eax+40]
paddsw mm1, [ecx+40]
; psraw mm1, 1
movq [edx+40], mm1
movq mm2, [eax+48]
paddsw mm2, [ecx+48]
; psraw mm2, 1
movq [edx+48], mm2
movq mm3, [eax+56]
paddsw mm3, [ecx+56]
; psraw mm3, 1
movq [edx+56], mm3
movq mm0, [eax+64]
paddsw mm0, [ecx+64]
; psraw mm0, 1
movq [edx+64], mm0
movq mm1, [eax+72]
paddsw mm1, [ecx+72]
; psraw mm1, 1
movq [edx+72], mm1
movq mm2, [eax+80]
paddsw mm2, [ecx+80]
; psraw mm2, 1
movq [edx+80], mm2
movq mm3, [eax+88]
paddsw mm3, [ecx+88]
; psraw mm3, 1
movq [edx+88], mm3
movq mm0, [eax+96]
paddsw mm0, [ecx+96]
; psraw mm0, 1
movq [edx+96], mm0
movq mm1, [eax+104]
paddsw mm1, [ecx+104]
; psraw mm1, 1
movq [edx+104], mm1
movq mm2, [eax+112]
paddsw mm2, [ecx+112]
; psraw mm2, 1
movq [edx+112], mm2
movq mm3, [eax+120]
paddsw mm3, [ecx+120]
; psraw mm3, 1
movq [edx+120], mm3
ret
endp
align 4
proc mix_3_1_mmx stdcall, output:dword, str0:dword, str1:dword, str2:dword
mov edx, [output]
mov eax, [str0]
mov ebx, [str1]
mov ecx, [str2]
movq mm0, [eax]
paddsw mm0, [ebx]
paddsw mm0, [ecx]
movq [edx], mm0
movq mm1, [eax+8]
paddsw mm1,[ebx+8]
paddsw mm1,[ecx+8]
movq [edx+8], mm1
movq mm2, [eax+16]
paddsw mm2, [ebx+16]
paddsw mm2, [ecx+16]
movq [edx+16], mm2
movq mm3, [eax+24]
paddsw mm3, [ebx+24]
paddsw mm3, [ecx+24]
movq [edx+24], mm3
movq mm0, [eax+32]
paddsw mm0, [ebx+32]
paddsw mm0, [ecx+32]
movq [edx+32], mm0
movq mm1, [eax+40]
paddsw mm1, [ebx+40]
paddsw mm1, [ecx+40]
movq [edx+40], mm1
movq mm2, [eax+48]
paddsw mm2, [ebx+48]
paddsw mm2, [ecx+48]
movq [edx+48], mm2
movq mm3, [eax+56]
paddsw mm3, [ebx+56]
paddsw mm3, [ecx+56]
movq [edx+56], mm3
movq mm0, [eax+64]
paddsw mm0, [ebx+64]
paddsw mm0, [ecx+64]
movq [edx+64], mm0
movq mm1, [eax+72]
paddsw mm1, [ebx+72]
paddsw mm1, [ecx+72]
movq [edx+72], mm1
movq mm2, [eax+80]
paddsw mm2, [ebx+80]
paddsw mm2, [ecx+80]
movq [edx+80], mm2
movq mm3, [eax+88]
paddsw mm3, [ebx+88]
paddsw mm3, [ecx+88]
movq [edx+88], mm3
movq mm0, [eax+96]
paddsw mm0, [ebx+96]
paddsw mm0, [ecx+96]
movq [edx+96], mm0
movq mm1, [eax+104]
paddsw mm1, [ebx+104]
paddsw mm1, [ecx+104]
movq [edx+104], mm1
movq mm2, [eax+112]
paddsw mm2, [ebx+112]
paddsw mm2, [ecx+112]
movq [edx+112], mm2
movq mm3, [eax+120]
paddsw mm3, [ebx+120]
paddsw mm3, [ecx+120]
movq [edx+120], mm3
ret
endp
align 4
proc mix_4_1_mmx stdcall, output:dword, str0:dword, str1:dword,\
str2:dword, str3:dword
mov edx, [output]
mov esi, [str0]
mov eax, [str1]
mov ebx, [str2]
mov ecx, [str3]
movq mm0, [esi]
movq mm1, [eax]
paddsw mm0, [ebx]
paddsw mm1, [ecx]
paddsw mm0, mm1
movq [edx], mm0
movq mm2, [esi+8]
movq mm3, [eax+8]
paddsw mm2, [ebx+8]
paddsw mm3, [ecx+8]
paddsw mm2, mm3
movq [edx+8], mm2
movq mm0, [esi+16]
movq mm1, [eax+16]
paddsw mm0, [ebx+16]
paddsw mm1, [ecx+16]
paddsw mm0, mm1
movq [edx+16], mm0
movq mm2, [esi+24]
movq mm3, [eax+24]
paddsw mm2, [ebx+24]
paddsw mm3, [ecx+24]
paddsw mm2, mm3
movq [edx+24], mm2
movq mm0, [esi+32]
movq mm1, [eax+32]
paddsw mm0, [ebx+32]
paddsw mm1, [ecx+32]
paddsw mm0, mm1
movq [edx+32], mm0
movq mm2, [esi+40]
movq mm3, [eax+40]
paddsw mm2, [ebx+40]
paddsw mm3, [ecx+40]
paddsw mm2, mm3
movq [edx+40], mm2
movq mm0, [esi+48]
movq mm1, [eax+48]
paddsw mm0, [ebx+48]
paddsw mm1, [ecx+48]
paddsw mm0, mm1
movq [edx+48], mm0
movq mm2, [esi+56]
movq mm3, [eax+56]
paddsw mm2, [ebx+56]
paddsw mm3, [ecx+56]
paddsw mm2, mm3
movq [edx+56], mm2
movq mm0, [esi+64]
movq mm1, [eax+64]
paddsw mm0, [ebx+64]
paddsw mm1, [ecx+64]
paddsw mm0, mm1
movq [edx+64], mm0
movq mm2, [esi+72]
movq mm3, [eax+72]
paddsw mm2, [ebx+72]
paddsw mm3, [ecx+72]
paddsw mm2, mm3
movq [edx+72], mm2
movq mm2, [esi+80]
movq mm3, [eax+80]
paddsw mm2, [ebx+80]
paddsw mm3, [ecx+80]
paddsw mm2, mm3
movq [edx+80], mm2
movq mm2, [esi+88]
movq mm3, [eax+88]
paddsw mm2, [ebx+88]
paddsw mm3, [ecx+88]
paddsw mm2, mm3
movq [edx+88], mm2
movq mm2, [esi+96]
movq mm3, [eax+96]
paddsw mm2, [ebx+96]
paddsw mm3, [ecx+96]
paddsw mm2, mm3
movq [edx+96], mm2
movq mm2, [esi+104]
movq mm3, [eax+104]
paddsw mm2, [ebx+104]
paddsw mm3, [ecx+104]
paddsw mm2, mm3
movq [edx+104], mm2
movq mm2, [esi+112]
movq mm3, [eax+112]
paddsw mm2, [ebx+112]
paddsw mm3, [ecx+112]
paddsw mm2, mm3
movq [edx+112], mm2
movq mm2, [esi+120]
movq mm3, [eax+120]
paddsw mm2, [ebx+120]
paddsw mm3, [ecx+120]
paddsw mm2, mm3
movq [edx+120], mm2
ret
endp
align 4
proc copy_mem stdcall, output:dword, input:dword
mov edi, [output]
mov esi, [input]
mov ecx, 0x80
.l1:
mov eax, [esi]
mov [edi], eax
add esi, 4
add edi, 4
loop .l1
ret
endp
proc memcpy
@@:
mov eax, [esi]
mov [edi], eax
add esi, 4
add edi, 4
dec ecx
jnz @B
ret
endp
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