void do_ash(u8* buf)
{
	u16 bufOut[1000];
	u16* p;
	int r26 = *(buf+0xC);
	int r23 = 0x200;
	int r25;

	int r24 = 0x10; // header size

	int r0;
	for(r25 = 0; r25 < 31; r25++)
	{
		r26 = r26 >> 1;

		bufOut[p] = r23 | -0x8000;
		bufOut[p+2] = r23 | 0x4000;
		p += 4;
	}

	r0 = r26 << 31;
	r26 = *(buf+r24);
	r25 = 0;
	r24 += 4;

	int r12 = 9;
	int r21 = r25+r12;
	if(r21 > 0x20)
	{
		r0 = r12 - 0x20;
		int r6 = r26 << r0;
		r26 = *(buf+r24);
	}
}