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Tank battle


Wrathchild

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Was anything like the games on the 2600's Combat cartridge written on the A8?

 

The closest that I can recollect is ATTANK! -- published by the Atari program exchange (APX).

 

I have a boxed one if you are intersted. It's not that good a game at all, but it is Combat ;o)

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just for the non polish users...

 

you have to login on the atariarea forum (looks 100% like the one here so should no problem to figure out which button does what...)

 

after login you are able to switch back to the news section and you are now enabled to download stuff... a button with download possibility will appear in the software section... just in case you want to download the tank game or the suberb utility collection there...

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just for the non polish users...

 

you have to login on the atariarea forum (looks 100% like the one here so should no problem to figure out which button does what...)

 

after login you are able to switch back to the news section and you are now enabled to download stuff... a button with download possibility will appear in the software section... just in case you want to download the tank game or the suberb utility collection there...

 

thanks for the hint! i always found it kinda cool that our neighbours made a lot of nice software for the atari :)

i will try to "rejestracja" now and have a look at the utility section :D

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  • 7 months later...

Just been looking through the source code (available online in a well

commented way at http://www.io.com/~nickb/atari/doc/nbcombat.asm)

and think I may try and port this to the A8 for the 2004 Minigame comp.

Without planes it may even fit in 1K.

 

I'm thinking it could be possible using just players and missles?

 

The playfield could be players & missles 0 and 1

Tank 1 is player 2, shooting missle 2

Tank 2 is player 3, shooting missle 3

 

If all goes well it should be possible to retain the 'kernel' method

of drawing the screen, simply setting the P/M hardware registers

directly - a bit of rework for the xpos'ing of P/Ms. Actually,

no playfield required at all.

 

Can I get this done by the deadline though... hope so!

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  • 3 weeks later...

Hi,

 

A little headway made into this, the game selection with background graphics can be displayed. I've also overridden the joystick block in select mode, makes for interesting movement with the planes. :ponder:

 

The 2600 uses different horizontal movement from the A8 so I need to rework this, also the logic of displaying the second player seems inverted, so you only see that when both are supposed to be invisible :D

 

I hope to come back with an update later this week

 

Regards,

Mark

combat.zip

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Well,

I remember several type-in listings of various german, english and american magazines that had those tank games. I also remember Tank Commander by Thorn EMI (the ones that also did Submarine commander) and a Tank Battle game by Alan Reeve (Reeve Software)... After all, these old tank games are not very interesting for me...

 

I prefer the vector tank-battle game "Battlezone", but heck, why is the A8 version so lame ?!? You search the CPU tank, shoot at it and a few inches (or centimeters) from where it exploded, it will re-materialize again. So you just wait, move a few inches/cm (to left or right) and shoot again, thats it. Why didn`t they use the great vector game of the Lynx cart ?!? (I really mean the vector version of the Lynx cart, the other version would be impossible for the A8; but the vector version with different tanks, fuel, ammo, etc, would have been possible - if they used a bigger supercart.)

 

-Andreas.

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Hi,

 

A small bit of progress, horizontal movement included now.

 

Still got to solve the problem of the second player showing correctly.

 

Next up I'll try and get the missiles working too.

That leads to the collision detection.

Finally, sort out the sounds effects and there we go!

 

Oh, I'll also need to sort out the plane game options.

The two-vs-two and one-vs-three are all possible

by adding in the 3&4 players and missles, but is

extra work when compared to the 2600. Its video

chip makes the clones for free.

 

Pity the original game is two player only, but for 2K

you're already getting a packed program. Adding some

AI at a later date would be an interesting challenge.

 

Regards,

Mark

 

PS. Can an NTSC user confirm this displays OK on a real-Atari?

The dlist includes an extra 8 blank lines before the 24 lines of graphics 3.

combat.zip

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A few changes made last night:

 

Colours are corrected - I was copying them from the wrong address!

Second player now appears correctly (due to above)

Invisble mode also works correctly.

 

I added some xpos sprite wrapping checks.

On the 2600 this seems to happen automatically wheras on

the A8 xpos values can be off-screen and hence the plane

disappeared for a while.

 

Next up will be missles & collision detection.

I will also mask out the currently unsupported plane games

(2-vs-2, 3-1) but leave in the 1-vs-1 variations. They'll

have to be re-introduced in a future 'enhanced' version.

 

Regards,

Mark

combat.zip

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Another 24 hours and now Missile firing enabled, including

the guided missiles in some of the tank games.

 

Some collision detection has been enabled but behaving stangely,

the game ending prematurely, that's tomorrow's job.

 

Player/Player or Wall collisions cause crashes so they're also todo.

 

Getting there... such a fun and simple game though!

 

Regards,

Mark

combat.zip

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  • 7 years later...

'fraid not, the kernel method was becoming quite tricky and so I was trying to shift stuff out to processing in the Vbi and do it more in an A8 style but this became messy. Occasionally went back to it but didn't get much further.

 

Also a first version would probably limit to just the tank games and planes can be done later due to needing to do the graphics differently.

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