implemented roll up

2020-09-10 16:42:32 +02:00
parent 9deae8128d
commit 370df33a6c
1 changed files with 2 additions and 0 deletions
--- a/src/calc.c
+++ b/src/calc.c
@ -238,6 +238,8 @@ void process_cmd(char cmd){
 		case '4':{
 			if (IsShiftedUp){ //roll down
 				StackPtr++;
+			} else if (IsShiftedDown){ //roll up
+				StackPtr--;
 			}
 		} break;
 		//////////