static inline void asm_cel_light_edge(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src);
static inline void asm_cel_light_square(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src);
static inline void asm_trans_light_cel_0_2(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src);
static inline void asm_trans_light_edge_0_2(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src);
static inline void asm_trans_light_square_0_2(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src);
static inline void asm_trans_light_cel_1_3(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src);
static inline void asm_trans_light_edge_1_3(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src);
static inline void asm_trans_light_square_1_3(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src);
static inline void asm_trans_light_mask(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src, unsigned int mask);

static inline void asm_cel_light_edge(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src)
{
    unsigned char l = w >> 1;

    if (w & 1) {
        dst[0] = tbl[src[0]];
        src++;
        dst++;
    }
    if (l & 1) {
        dst[0] = tbl[src[0]];
        dst[1] = tbl[src[1]];
        src += 2;
        dst += 2;
    }

    asm_cel_light_square(l >> 1, tbl, dst, src);
}

static inline void asm_cel_light_square(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src)
{
    for (; w; --w) {
        dst[0] = tbl[src[0]];
        dst[1] = tbl[src[1]];
        dst[2] = tbl[src[2]];
        dst[3] = tbl[src[3]];
        src += 4;
        dst += 4;
    }
}

static inline void asm_trans_light_cel_0_2(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src)
{
    if (!(w & 1)) {
        asm_trans_light_edge_1_3(w >> 1, tbl, dst, src);
    } else {
        src++;
        dst++;
        asm_trans_light_edge_0_2(w >> 1, tbl, dst, src);
    }
}

static inline void asm_trans_light_edge_0_2(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src)
{
    unsigned char l = w >> 1;

    if (w & 1) {
        dst[0] = tbl[src[0]];
        src += 2;
        dst += 2;
    }
    if (l) {
        asm_trans_light_square_0_2(l, tbl, dst, src);
    }
}

static inline void asm_trans_light_square_0_2(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src)
{
    for (; w; --w) {
        dst[0] = tbl[src[0]];
        dst[2] = tbl[src[2]];
        src += 4;
        dst += 4;
    }
}

static inline void asm_trans_light_cel_1_3(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src)
{
    if (!(w & 1)) {
        asm_trans_light_edge_0_2(w >> 1, tbl, dst, src);
    } else {
        dst[0] = tbl[src[0]];
        src++;
        dst++;
        asm_trans_light_edge_1_3(w >> 1, tbl, dst, src);
    }
}

static inline void asm_trans_light_edge_1_3(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src)
{
    unsigned char l = w >> 1;

    if (w & 1) {
        dst[1] = tbl[src[1]];
        src += 2;
        dst += 2;
    }
    if (l) {
        asm_trans_light_square_1_3(l, tbl, dst, src);
    }
}

static inline void asm_trans_light_square_1_3(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src)
{
    for (; w; --w) {
        dst[1] = tbl[src[1]];
        dst[3] = tbl[src[3]];
        src += 4;
        dst += 4;
    }
}

static inline void asm_trans_light_mask(unsigned char w, BYTE *tbl, BYTE *&dst, BYTE *&src, unsigned int mask)
{
    for (; w; --w, src++, dst++, mask *= 2) {
        if (mask & 0x80000000)
            dst[0] = tbl[src[0]];
    }
}