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Disk No: 2535 Disk Title: JumpJet PC-SIG Version: S1 Program Title: Jumpjet Author Version: 1.04 Author Registration: $15.00 Special Requirements: CGA, EGA, or Hercules graphics. Your mission: seek and destroy three enemy bombers. Sounds easy -- but talk's cheap! This is one of many missions that will let you find out if you have what it takes to fly a JUMPJET. Old fighter pilots will remember the "Defender" arcade series when they play this arcade style fighter plane game. Use the cursor keys to fly over mountains, evade fighters, and attack tanks. Use the space bar to shoot your machine guns. Good arcade style graphics make it easy to play -- but challenging to win. The program also supports the Ad-Lib and compatible sound boards for realistic crashes, explosions, and the sweet sound of success. PC-SIG 1030D East Duane Avenue Sunnyvale Ca. 94086 (408) 730-9291 (c) Copyright 1989-1991 PC-SIG, Inc.
SHAREWARE!!! JUMPJET is user-support software and you are encouraged to share this software with others. Feel free to circulate JUMPJET over bulletin boards or in Shareware libraries. If the software is found interesting or useful, then register the software. If registered, an updated version of JUMPJET will be sent along with a printed owners manual. A registration fee of FIFTEEN dollars will entitle you to these supplements. DEVELOPMENT Jumpjet was written almost entirely in assembly language using the Microsoft macro assembler 5.1. The front end or the menu in- terface and the high-score database was written in C using the Microsoft C compiler 5.1. I tried to keep speed in mind while writing this software. Even though there may be 50 to 100 objects animating on the screen at one time, the game will have no problem processing the informa- tion quickly. Running Jumpjet on a 386 33MHz machine will appear to run at the same speed as a 6MHz 286 machine. There are ap- proximately 18 frames per second. You will notice, however, a speed deference on slower machines. An 8088 or 8086 machine run- ning at 4.77 MHz will lag at times, but still usable. I found that a NEC V-20/V-30 (replaces the Intel 8088/8086 and execute about 30% faster) chip in the slower machines helps tremendously. There is almost no lag. Also the 8088/8086 machines running faster than 4.77MHz seem to have no problem. GETTING STARTED It is a good idea to make a backup of your original disk. Jumpjet has only a few files. They are JJCOLOR.EXE, JJEGAHI.EXE, JJEGALO.EXE, JJHERC.EXE, JUMPJET.DOC and JUMPJET.SCR. If for some reason the file JUMPJET.SCR is not on the disk, don't worry. This file is the score database file and if it does not exist, the program will create a new one. INSTALLING TO HARD DISK 1. Place your disk (or its backup) in drive A:. 2. Enter into your hard disk root directory. 3. Type MD\JUMPJET and press ENTER. 4. Type CD\JUMPJET and press ENTER. 5. Type COPY A:*.* and press ENTER. INSTALLING TO A FLOPPY (BACKUP) The program does not need to be installed onto a floppy, but it is a good idea to make a backup of the disk. 1. Place your DOS system disk in drive A:. 2. If you have one drive, type DISKCOPY and press enter. If you have two drives, type DISKCOPY A: B: and press ENTER. 3. Follow the screen prompts. JUMPJET FILES JUMPJET.EXE - This file will allow you to select the graphics display that best fits your system. Note: This will not automatically select the graphics display type for your computer. JJCOLOR.EXE - This file is the main program for Color Graphics Adapters (CGA). JJEGAHI.EXE - This file is the main program for Enhanced Graphics Adapter. The EGA mode is 640 X 350 in resolution and uses sixteen colors. This mode was included by popular requests. JJEGALO.EXE - Same as JJEGAHI but the resolution is 640 X 200. JJHERC.EXE - This is the main program for Hercules graphics adapter. JUMPJET.SCR - This file is the score database. It contains all the top ten high-scores. NOTE: If you are using a floppy, make sure that the floppy is not WRITE PROTECTED. RUNNING JUMPJET 1. If you are starting from a floppy disk: Place the disk into drive A: and type JUMPJET and press ENTER. Follow the screen prompts. (Read note.) 2. If you are starting from a hard disk: Type CD\JUMPJET and press ENTER. Next type JUMPJET and press ENTER. Follow the screen prompts. (Read note) NOTE: JJCOLOR.EXE, JJEGAHI.EXE, JJEGELO.EXE and JJHERC.EXE are different programs. See Jumpjet Files for explanation. Run the program that best fits your system. The program JUMPJET will run the select file. I.E., if CGA 4 color mode was selected, then JJCOLOR is executed. THE GRAPHICS SELECTION MENU You will see a pop-up menu describing various types of graphics adapters. Select the one that best fits your system. Use the UP and DOWN arrow keys to highlight an item and press ENTER to select that particular graphics display. THE MAIN MENU The first screen you will see is the main menu. This is where you can select from playing the game, introduction, saving the score, reviewing the score, registration and exiting the game. To select an item, use the up and down ARROW keys and press ENTER or press the capitalized letter of the desired item. GAME CONTROLS You can control your jet by pressing the ARROW keys in the cor- responding direction you want the jet to go. By pressing the same direction again, the jet will accelerate in that direction. PAUSING YOUR GAME If you wish to pause the game, press P. Press any key to continue play. EXITING YOUR GAME If you wish exit the game, press ESC and you will enter the main menu. From the main menu, press 'E' or highlight the 'Exit' item and press ENTER. THANKS! Well, this is it. Give Jumpjet a try. I hope you'll have fun playing this game and thanks for playing! If you have any suggestions or ideas, please let me know. I would like to here from you, and if have any gripes, also let me know. DISCLAIMER The author of this software has used his best efforts in prepar- ing the software. These efforts include development, research and testing to determine its effectiveness. The author makes no warranty of any kind, expressed or implied, with regard of this software or documentation. The author shall not be liable in any event for incidental or consequential damages in connection with, or arising out of, the furnishing, performance, or use of the software. Montsoft P.O. Box 4426 Orange, CA 92613-4426
Volume in drive A has no label Directory of A:\ README 1052 11-03-90 9:33a JUMPJET DOC 6116 11-03-90 8:45a JJCOLOR EXE 49367 11-02-90 12:41a JJEGAHI EXE 51511 11-02-90 8:29p JJEGALO EXE 51207 11-02-90 8:32p JJHERC EXE 49815 11-02-90 8:34p JUMPJET EXE 15045 11-03-90 9:41a JUMPJET SCR 520 11-03-90 8:39a GO BAT 9 10-05-90 8:57a FILE2535 TXT 1855 10-05-90 8:56a 10 file(s) 226497 bytes 90112 bytes free