COBOL - MATRIKS

IDENTIFICATION DIVISION.
PROGRAM-ID. MATRIKS.
ENVIRONMENT DIVISION.
DATA DIVISION.
WORKING-STORAGE SECTION.
77 I PIC 9.
77 J PIC 9.
01 CETAK.
02 M1 PIC Z9.
02 M2 PIC Z9.
02 T PIC ZZ9.
01 PILIH.
02 PIL PIC 9.
01 TOTAL.
02 TOTAL-BARIS OCCURS 2 TIMES.
03 TM OCCURS 2 TIMES PIC 999.
01 MAT1.
02 BARIS1 OCCURS 2 TIMES.
03 MATRIK1 OCCURS 2 TIMES PIC 99.
01 MAT2.
02 BARIS2 OCCURS 2 TIMES.
03 MATRIK2 OCCURS 2 TIMES PIC 99.
01 ISI-LAGI PIC X.
88 LAGI VALUE 'Y', 'y'.
88 TIDAK VALUE 'T', 't'.
SCREEN SECTION.
01 HAPUS.
02 BLANK SCREEN.
01 TANDA.
02 LINE 3 COLUMN 16 VALUE '+' HIGHLIGHT.
02 LINE 3 COLUMN 31 VALUE '=' HIGHLIGHT.
01 TANDA1.
02 LINE 3 COLUMN 16 VALUE '-' HIGHLIGHT.
02 LINE 3 COLUMN 31 VALUE '=' HIGHLIGHT.
01 TANDA2.
02 LINE 3 COLUMN 16 VALUE '*' HIGHLIGHT.
02 LINE 3 COLUMN 31 VALUE '=' HIGHLIGHT.
01 MENU.
02 LINE 2 COLUMN 30 VALUE "M A T R I K S".
02 LINE 4 COLUMN 27 VALUE "1. INPUT.".
02 LINE 5 COLUMN 27 VALUE "2. TAMBAH.".
02 LINE 6 COLUMN 27 VALUE "3. KURANG.".
02 LINE 7 COLUMN 27 VALUE "4. KALI.".
02 LINE 8 COLUMN 27 VALUE "5. KELUAR.".
02 LINE 10 COLUMN 27 VALUE "PILIH [1..5] : [ ]".
02 LINE 10 COLUMN 43 PIC 9 TO PIL.
PROCEDURE DIVISION.
MULAI.
DISPLAY HAPUS.
DISPLAY MENU.
ACCEPT MENU.
IF PIL = 1
PERFORM INPUT-DATA
GO TO MULAI.
IF PIL = 2
PERFORM TAMBAH
GO TO TANYA.
IF PIL = 3
PERFORM KURANG
GO TO TANYA.
IF PIL = 4
PERFORM KALI
GO TO TANYA.
IF PIL = 5
GO TO SELESAI
ELSE
GO TO MULAI.
SELESAI.
STOP RUN.

INPUT-DATA.
MOVE 3 TO LIN.
DISPLAY HAPUS.
PERFORM ISI1
VARYING I FROM 1 BY 1 UNTIL I > 2
AFTER J FROM 1 BY 1 UNTIL J > 2
COMPUTE LIN = 10.
PERFORM ISI2
VARYING I FROM 1 BY 1 UNTIL I > 2
AFTER J FROM 1 BY 1 UNTIL J > 2
GO TO MULAI.

ISI1.
DISPLAY (3, 2) 'MATRIK A'.
COMPUTE LIN = LIN + 1.
DISPLAY (LIN, 2) '[', I, ',', J, '] = '.
ACCEPT MATRIK1 (I, J).

ISI2.
DISPLAY (10, 2) 'MATRIK B'.
COMPUTE LIN = LIN + 1.
DISPLAY (LIN, 2) '[', I, ',', J, '] = '.
ACCEPT MATRIK2 (I, J).

PROSES.
COMPUTE TM (I, J) = MATRIK1 (I, J) + MATRIK2 (I, J).

PROSES1.
COMPUTE TM (I, J) = MATRIK1 (I, J) - MATRIK2 (I, J).
PROSES2.
COMPUTE TM (I, J) = MATRIK1 (I, J) * MATRIK2 (I, J).
HASIL.
MOVE I TO LIN.
MOVE J TO COL.
MOVE MATRIK1 (I, J) TO M1.
MOVE MATRIK2 (I, J) TO M2.
MOVE TM (I, J) TO T.
COMPUTE LIN = LIN * 2.
COMPUTE COL = COL * 4.
DISPLAY (LIN, COL + 1) M1.
DISPLAY (LIN, COL + 16) M2.
DISPLAY (LIN, COL + 31) T.

TANYA.
COMPUTE LIN = LIN + 2.
DISPLAY(10, 5) 'ADA DATA LAGI [Y/T] ? '
ACCEPT( , ) ISI-LAGI.
IF LAGI GO TO MULAI.

TAMBAH.
DISPLAY HAPUS.
PERFORM PROSES
VARYING I FROM 1 BY 1 UNTIL I > 2
AFTER J FROM 1 BY 1 UNTIL J > 2
DISPLAY TANDA.
PERFORM HASIL
VARYING I FROM 1 BY 1 UNTIL I > 2
AFTER J FROM 1 BY 1 UNTIL J > 2.

KURANG.
DISPLAY HAPUS.
PERFORM PROSES1
VARYING I FROM 1 BY 1 UNTIL I > 2
AFTER J FROM 1 BY 1 UNTIL J > 2
DISPLAY TANDA1.
PERFORM HASIL
VARYING I FROM 1 BY 1 UNTIL I > 2
AFTER J FROM 1 BY 1 UNTIL J > 2.

KALI.
DISPLAY HAPUS.
PERFORM PROSES2
VARYING I FROM 1 BY 1 UNTIL I > 2
AFTER J FROM 1 BY 1 UNTIL J > 2
DISPLAY TANDA2.
PERFORM HASIL
VARYING I FROM 1 BY 1 UNTIL I > 2
AFTER J FROM 1 BY 1 UNTIL J > 2