GATO 7/27/87

 

Now we're getting somewhere.  The periscope screen is close to being finalized (although you can still see the tube), and for the first time you can select and manipulate the gauges.  However the gauges are still a bit buggy and the needle moves way too fast.  The radar screen is now somewhat functional and has a sweep that shows three enemy ships, but these appear to be 'hardcoded' since you still cannot move your sub anywhere.  The radar screen also now shows the correct values for Depth, Heading, and Speed and corresponds to the gauges on the periscope screen (kinda).  The map screen now shows flashing dots representing enemy ships, but the white dot is missing.   This version has a strange bug (feature?) that causes the screen to turn red and the game to reset if you pass 3 on the Depth gauge.

There is a hidden message in the rom code that says:

GATO, The Atari 7800 Version by Jack Sandberg, Sr. Software Engineer, ibid inc., West Hartford, CT., Ver. 1.0 04/24/87 -- Security String Do Not Remove"

 

Prototype Differences
There is no title screen
There is no ships log screen

There is no interaction on any of the screens except the periscope screen

The button and movement debounce code is a bit buggy.  You must tap the button or joystick very quickly to change screens or gauges otherwise it will cycle through them very fast.
You can see the periscope tube on the periscope screen
You cannot move your ship on the map screen
The radar screen shows three enemy ships
The movement of the radar sweep (arm) is very jerky
The needles on the gauges on the periscope screen have far less positions and move very quickly
If you pass a depth of 3 the screen will turn red and all the gauges will reset (your sub blows up)
The Oxygen, Battery, and Fuel meters deplete much faster
There is no white dot on the map screen

 

Three ships lie in wait...

 

Look!  Dots!

 

Boom!

 

Radio, Radar, and Fuel Tanks are out of order!

 

 

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