#define BIND_FRAMEB 1
#define BIND_LOCALB 2
#define BIND_DMA 3
#define GMODE 4
#define GRAB_FRAMEBUFFER 5

#define FIFOSYNC while(EVAL_CONTROL(InFIFOSpace)< 0x102)

#define EX0 (127)

int makecolor(float x)
{
int ix;
int sx;
unsigned char ex;

ix = *((int *)&x);
sx = ix>>31;
ex = (unsigned char)(ix>>23);
if(ex<(EX0 - 15)) return(0);
if(ex>=(EX0 + 8)) return(0x007fffff^sx);
ix = ((unsigned int)((ix|0x00800000)<<8)>>(EX0 + 16 - ex));
if(sx<0) ix = -ix;
return(0xfffff0 & ix);
}

int makecoord(float x)
{
int ix;
int sx;
unsigned char ex;

ix = *((int *)&x);
sx = ix>>31;
ex = (unsigned char)(ix>>23);
if(ex<(EX0 - 16)) return(0);
if(ex>=(EX0 + 15)) return(0x7fffffff^sx);
ix = ((unsigned int)((ix|0x00800000)<<8)>>(EX0 + 15 - ex));
if(sx<0) ix = -ix;
return(ix);
}

int maketag(int reg)
{
int tag;

tag = (reg - 0x8000)/8;
return(tag);
}