---

mixer_tasm.cpp

Go to the documentation of this file.

#ifdef USE_TASM
void mixer_clip_asm(int *mix_buffer2,short *mix_buffer,int size)
{
asm {


mixer_clip_asm:
        push            esi             
        push            edi
        push            eax
        push            ebx
        push            ecx
        push            edx

        mov             esi, [esp+24+4]
        mov             edi, [esp+24+8]
        mov             ecx, [esp+24+12]

        mov             ebx, 32200
        mov             edx, -32200

.loop:
        mov             eax, [esi]
        sar             eax, 1
        add             esi, byte 4

        cmp             eax, ebx
        jg              .above          
        cmp             eax, edx
        jl              .below
        jmp             .clipped

.above: 
        mov             eax, ebx
        jmp             .clipped

.below: 
        mov             eax, edx

.clipped:

        mov             [edi], ax
        add             edi, byte 2
        dec             ecx
        jz              .done
        jmp             .loop

.done:
        pop             edx
        pop             ecx
        pop             ebx
        pop             eax
        pop             edi
        pop             esi

        ret
};

}
#endif

           /*
;; mixer_asm(int *src, short *dest, int size)
;; --------------------------------------
;;  4: int *src
;;  8: short *dest
;; 12: int size
;; --------------------------------------


*/

---