msp430 lcd function dispalying num on the lcd possitive or negative




File list:
lab4
...\Debug
...\.....\Exe
...\.....\...\lab4.d43
...\.....\List
...\.....\Obj
...\.....\...\lab4.pbd
...\.....\...\lab4.pbd.browse
...\.....\...\Lab_4_ex1.pbi
...\.....\...\Lab_4_ex1.pbi.cout
...\.....\...\Lab_4_ex1.r43
...\.....\...\LCD_Utilities.pbi
...\.....\...\LCD_Utilities.pbi.cout
...\.....\...\LCD_Utilities.r43
...\.....\...\main.pbi.cout
...\.....\...\main.r43
...\settings
...\........\lab4.cspy.bat
...\........\lab4.dni
...\........\lab4.wsdt
...\lab4.dep
...\lab4.ewd
...\lab4.ewp
...\lab4.eww
...\lab4CustomSfr.sfr
...\lab4_exe_last.c.txt
...\Lab_4_ex_original.c
...\Lab_4_part_a.c
...\Lab_4_part_b.c
...\Lab_4_part_b_2.c
...\LCD_defs.h
...\LCD_Utilities.C
...\main.c
...\path.txt