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vt100-games/Battleships/README.md
acn 231c991d98 Added BattleShips
2019-10-25 09:59:49 +02:00

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Battleships

CP/M port of the Unix game.

Copyright:

  • bs.c - original author: Bruce Holloway
  •          salvo option by: Chuck A DeGaul
  • with improved user interface, autoconfiguration and code cleanup
  •          by Eric S. Raymond <esr@snark.thyrsus.com>
  • v1.2 with color support and minor portability fixes, November 1990
  • v2.0 featuring strict ANSI/POSIX conformance, November 1993.
  • v2.1 for Linux, October 1994.
  • Slipstreamed in fixes to make it gcc -Wall clean, May '95.
  • fairly seriously hacked for Hitech C and CP/M, rjm 95/8/14

I found it as part of the ZCN repository: https://github.com/jamesots/zcn

The C source has been modified for VT100 compatibility and some minor changes have been made by me (Anna Christina Naß acn@acn.wtf.

bs.com is the compiled binary.

See the *.txt files for more information.

Modes

  • -b selects a "blitz" variant
  • -s selects a "salvo" variant
  • -c permits ships to be placed adjacently

The "blitz" variant allows a side to shoot for as long as it continues to score hits.

The "salvo" game allows a player one shot per turn for each of his/her ships still afloat. This puts a premium scoring hits early and knocking out some ships and also makes much harder the situation where you face a superior force with only your PT-boat.

Keys

To position your ships: move the cursor to a spot, then type the first letter of a ship (using CAPITAL letters) type to select it, then type a direction ([hjkl] or [4862]), indicating how the ship should be pointed. You may also type a ship letter followed by r' to position it randomly, or type R' to place all remaining ships randomly.

Navigation and aiming keys:

yz k u    7 8 9
  \|/      \|/
 h-+-l    4-+-6
  /|\      /|\
 b j n    1 2 3
Key Action Key Action
h / 4 move left y / z / 7 move up+left
l / 6 move right b / 1 move down+left
j / 2 move down u / 9 move up+right
k / 8 move up n / 3 move down+right
r place this ship randomly R place all ships randomly
^L screen redraw Q quit game

Compiling

HiTech C has been used to compile it, but it needs a lot of free memory (TPA).

For compiling, I used the command c bs.c in CP/M.