From 9770525dba8b9f15a5e41bf281627b1843c2631a Mon Sep 17 00:00:00 2001
From: toml12953 <tlake@twcny.rr.com>
Date: Thu, 21 Apr 2022 05:43:29 -0400
Subject: [PATCH] =?UTF-8?q?Pressing=20PI=20(Shift=20=C3=B7)=20should=20onl?=
 =?UTF-8?q?y=20lift=20the=20stack=20if=20the=20previous=20operation=20woul?=
 =?UTF-8?q?d=20allow=20it.?=
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fixes #4
---
 src/calc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/calc.c b/src/calc.c
index ea3ee7a..ac963bd 100644
--- a/src/calc.c
+++ b/src/calc.c
@@ -128,7 +128,9 @@ void process_cmd(char cmd){
 		//////////
 		case '/':{
 			if (IsShiftedUp){
-				StackPtr--;
+				if (NoLift != 1){
+				       StackPtr--;
+				}	
 				pi_decn();
 				copy_decn(&stack(STACK_X), &AccDecn);
 			} else {