make LETTTER_OFF return values that match param indices range

2.0.x
Bob-the-Kuhn 7 years ago
parent cd2ac3b759
commit e6e3132f79

@ -104,7 +104,7 @@ public:
// Index so that 'X' falls on index 24 // Index so that 'X' falls on index 24
#define PARAM_IND(N) ((N) >> 3) #define PARAM_IND(N) ((N) >> 3)
#define PARAM_BIT(N) ((N) & 0x7) #define PARAM_BIT(N) ((N) & 0x7)
#define LETTER_OFF(N) ((N) - 'A' + 1) #define LETTER_OFF(N) ((N) - 'A')
#define LETTER_IND(N) PARAM_IND(LETTER_OFF(N)) #define LETTER_IND(N) PARAM_IND(LETTER_OFF(N))
#define LETTER_BIT(N) PARAM_BIT(LETTER_OFF(N)) #define LETTER_BIT(N) PARAM_BIT(LETTER_OFF(N))

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