Files
st/include/flags.h
T
2025-08-02 19:20:18 +02:00

17 lines
631 B
C

#pragma once
#include "types.h"
/**
* Flags value format:
* - 0x001F: 0000 0000 0001 1111 -> the shift value to read or write the flag's bit
* - 0xFFE0: 1111 1111 1110 0000 -> index of the value in the array
*
* `FLAG` is a macro that allows you to get the final value from the index and the slot number.
*/
#define GET_FLAG(arr, pos) (((arr)[((u32) (pos)) >> 5] & (1 << ((pos) & 0x1F))) != 0)
#define SET_FLAG(arr, pos) ((arr)[((u32) (pos)) >> 5] |= 1 << ((pos) & 0x1F))
#define UNSET_FLAG(arr, pos) ((arr)[((u32) (pos)) >> 5] &= ~(1 << ((pos) & 0x1F)))
#define FLAG(index, pos) (((index) << 5) | ((pos) & 0x1F))