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- SHAREWARE!!!
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- 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.
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- 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.
-
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-
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- 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.
-
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- 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