ZR050_APP_IDX
zr36050_write(ptr, ZR050_APP_IDX, 0xff);
zr36050_write(ptr, ZR050_APP_IDX + 1, 0xe0 + ptr->app.appn);
zr36050_write(ptr, ZR050_APP_IDX + 2, 0x00);
zr36050_write(ptr, ZR050_APP_IDX + 3, ptr->app.len + 2);
sum += zr36050_pushit(ptr, ZR050_APP_IDX + 4, 60,