From e6e3132f7973df0a342e52bcc28006b425378f9b Mon Sep 17 00:00:00 2001 From: Bob-the-Kuhn Date: Thu, 29 Jun 2017 08:59:13 -0500 Subject: [PATCH] make LETTTER_OFF return values that match param indices range --- Marlin/gcode.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Marlin/gcode.h b/Marlin/gcode.h index b819fd075..ac3268d7d 100644 --- a/Marlin/gcode.h +++ b/Marlin/gcode.h @@ -104,7 +104,7 @@ public: // Index so that 'X' falls on index 24 #define PARAM_IND(N) ((N) >> 3) #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_BIT(N) PARAM_BIT(LETTER_OFF(N))