#ifndef LYNX_HELP_H__
#define LYNX_HELP_H__
-/* FIELD MACROS */
-#define _LSB(f) (0 ? f)
-#define _MSB(f) (1 ? f)
-#define _COUNT(f) (_MSB(f) - _LSB(f) + 1)
-
-#define RAW_MASK(f) (0xFFFFFFFF >> (32 - _COUNT(f)))
-#define GET_MASK(f) (RAW_MASK(f) << _LSB(f))
-#define GET_FIELD(d, f) (((d) >> _LSB(f)) & RAW_MASK(f))
-#define TEST_FIELD(d, f, v) (GET_FIELD(d, f) == f ## _ ## v)
-#define SET_FIELD(d, f, v) (((d) & ~GET_MASK(f)) | \
- (((f ## _ ## v) & RAW_MASK(f)) << _LSB(f)))
-#define SET_FIELDV(d, f, v) (((d) & ~GET_MASK(f)) | \
- (((v) & RAW_MASK(f)) << _LSB(f)))
-
/* Internal macros */
#define _F_START(f) (0 ? f)
#define _F_END(f) (1 ? f)
#define FIELD_END(field) (1 ? field)
#define FIELD_SIZE(field) (1 + FIELD_END(field) - FIELD_START(field))
#define FIELD_MASK(field) (((1 << (FIELD_SIZE(field)-1)) | ((1 << (FIELD_SIZE(field)-1)) - 1)) << FIELD_START(field))
-#define FIELD_NORMALIZE(reg, field) (((reg) & FIELD_MASK(field)) >> FIELD_START(field))
-#define FIELD_DENORMALIZE(field, value) (((value) << FIELD_START(field)) & FIELD_MASK(field))
-
-#define FIELD_INIT(reg, field, value) FIELD_DENORMALIZE(reg ## _ ## field, \
- reg ## _ ## field ## _ ## value)
-#define FIELD_INIT_VAL(reg, field, value) \
- (FIELD_DENORMALIZE(reg ## _ ## field, value))
-#define FIELD_VAL_SET(x, r, f, v) x = x & ~FIELD_MASK(r ## _ ## f) \
- | FIELD_DENORMALIZE(r ## _ ## f, r ## _ ## f ## _ ## v)
-
-#define RGB(r, g, b) \
-( \
- (unsigned long) (((r) << 16) | ((g) << 8) | (b)) \
-)
-
-#define RGB16(r, g, b) \
-( \
- (unsigned short) ((((r) & 0xF8) << 8) | (((g) & 0xFC) << 3) | (((b) & 0xF8) >> 3)) \
-)
static inline unsigned int absDiff(unsigned int a, unsigned int b)
{