File list (Check if you may need any files):
IBM
...\INPUT
...\.....\SAP4_EX1.DAT
...\.....\SAP4_EX2.DAT
...\.....\SAP4_EX3.DAT
...\.....\SAP4_EX4.DAT
...\.....\SAP4_EX5.DAT
...\.....\SAP4_EX6.DAT
...\.....\SAP4_EX7.DAT
...\OUTPUT
...\......\SAP4_EX1.OUT
...\......\SAP4_EX2.OUT
...\......\SAP4_EX3.OUT
...\......\SAP4_EX4.OUT
...\......\SAP4_EX5.OUT
...\......\SAP4_EX6.OUT
...\......\SAP4_EX7.OUT
...\README.TXT
...\SOURCE
...\......\SAP4IBM.FOR
PCDOS
.....\INPUT
.....\.....\SAMPLE1.IN
.....\.....\SAMPLE2.IN
.....\.....\SAMPLE3.IN
.....\.....\SAMPLE4A.IN
.....\.....\SAMPLE4B.IN
.....\.....\SAMPLE5.IN
.....\.....\SAMPLE6.IN
.....\.....\SAMPLE7.IN
.....\.....\SAMPLE8.IN
.....\OUTPUT
.....\......\SAMPLE1.OUT
.....\......\SAMPLE2.OUT
.....\......\SAMPLE3.OUT
.....\......\SAMPLE4A.OUT
.....\......\SAMPLE4B.OUT
.....\......\SAMPLE5.OUT
.....\......\SAMPLE6.OUT
.....\......\SAMPLE7.OUT
.....\......\SAMPLE8.OUT
.....\SOURCE
.....\......\PCSAP4.FOR
.....\......\STORAGE.FOR
README.TXT