Notes

Description

Project

Informations

Thanks


Grav version 1.4 by bobti89
for TI68k (TI89, TI89T, TI92+, V200)
01/04/2019


Notes


Description

Purpose

Grav is a game with simple purpose. You are in a 2D world with gravity, handle a ball, and you have to reach the end : (Arrivée in french).
The only problem (there must be one) is you have to avoid spikes and other traps (jumpers, fans...). You must learn to move the small ball.

Here is a list of different blocks in the game :

You are timed when playing, records are saved.

Images

Installation

Send grav.89z and gravlvl.89y to your calculator.
Type grav() in home screen
You can open a level (or a levels pack) by typing grav("pack_name").
Have fun !

Interaction

In game :
Key Action
Arrows Handle the ball
F2 Come back to last checkpoint
APPS Switch off the calculator(boss key)
ESC Quit
+ or - Change contrast
In menu :
Key Action
Left or right Change level
Diamond + left or right Change level by step of 10
ESC Quit
ENTER or 2ND Start
+ or - Change contrast

Project

Historic

Date Version Description
01/04/2019 1.4
  • Saving ghosts. Use option "save_ghost" in "gravcfg.89t" file to activate.
05/16/2013 1.3
  • New menu "LOAD" to select a level and load it.
  • Add objects to activate or deactivate gravity, and missing blinking spikes.
  • If no level in parameters, load the first level found.
10/07/2006 1.2
  • Translation of "Lisez-moi" in english (Read-me).
  • Now there is double buffering in the game.
  • Records are saved into level file (give the opportunity to save a record in a level you just be created).
  • Ghosts, but you can't save them.
  • Fix bugs.
05/06/2005 1.1
  • Translation of the game in english (two versions).
  • A lot of optimisations.
  • Fix bugs.
  • Executable work with every calculators.
12/30/2004 1.0
  • Moving spikes are perfectly integrated.
  • Creation of a hash table to handle moving spikes and particularly collisions between them.
  • New blocks to remove or reverse arrow keys.
  • Add a key to come back to the last checkpoint.
  • More than 100 levels !
12/10/2004 0.9
  • Beginning of moving spikes (without collision).
  • Update the collide engine.
  • 80 levels.
  • Centered game on TI92/V200.
  • Fix bugs.
  • Optimisations (more than 2ko won in compressed file !).
11/15/2004 0.8
  • Complete reprogramming of the levels editor.
  • Fix bugs.
  • Use VAT to handle files.
08/16/2004 0.7
  • Integrate extgraph library.
  • 40 levels.
  • Fix bugs.
  • Public version on yaronet.com and tigen.org.
04/26/2004 0.6
  • Records handler.
  • 28 levels.
  • Blinking spikes.
  • Levels editor.
03/08/2004 0.5
  • Checkpoints and fans.
  • New game engine for best accuracy.
  • New menu with gray colors.
  • Now 20 levels.
  • The ball explode :)
  • Timer.
01/15/2004
(19:58)
0.4
  • Creation of a little menu in black and white.
  • Now 2 levels.
  • Jumpers.
  • First public version.
  • TI92+ version. (in the top left corner of the screen).
01/15/2004
(18:35)
0.3
  • Project creation.
  • Gray colors.
  • Collides engine.
  • One level.
12/20/2003 0.1
  • Beginning of a game engine in black and white, the ball bounce on screen edges.

Future


Informations

Systems

Machines : Texas Instrument Calculators : TI89, TI89T, TI92+ and V200 ( HW1, HW2, HW3 or HW4)
OS : AMS 1.0 or newer, Pedrom

Tests

Tested on TI89 HW1 AMS 2.05 and TI89 HW2 AMS 2.05. For other calculators, tested on VTI and TI-emu emulators.

Dependencies

No dependence, it's a nostub program.

Contact

For any suggestions, critics or bugs, please send me a mail at :
bobti89@aliceadsl.fr

Thanks

A big thanks to :