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Porting existing videogames


taylordurden

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  • 2 weeks later...

My 10 Pence on ports for the lynx. Go 8bit with a 6502 and something with docs and source code.

Say Lorenz Wiest excellent Star Raiders dissembly.

The carts only 8k and pokey seems quite like the lynx sound chip.

So here`s a rough hack to get something on the screen. It`s running the demo part with an invisible meteor that

will explode if it hits the screen ?

The stars are now sprites instead of bit maps. Radar, sights and text display is to see what it would look like.

Dpad is enabled. All the projection, rotation is the original 8bit code.

I really need to go back to it.

 

snap03.thumb.gif.5702b805372a94907b81141fbcb5a69b.gif

starraiders1b.o

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2 hours ago, IronWorks said:

My 10 Pence on ports for the lynx. Go 8bit with a 6502 and something with docs and source code.

Say Lorenz Wiest excellent Star Raiders dissembly.

The carts only 8k and pokey seems quite like the lynx sound chip.

So here`s a rough hack to get something on the screen. It`s running the demo part with an invisible meteor that

will explode if it hits the screen ?

The stars are now sprites instead of bit maps. Radar, sights and text display is to see what it would look like.

Dpad is enabled. All the projection, rotation is the original 8bit code.

I really need to go back to it.

 

snap03.thumb.gif.5702b805372a94907b81141fbcb5a69b.gif

starraiders1b.o 15.1 kB · 1 download

Damn - I'd pay for that!  Might be hard to get all the controls mapped though.

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4 minutes ago, IronWorks said:

My thoughts on that would be to use the B button as a shift key.

So you could double up all the buttons and the dpad.

Maybe "B" for shift and "Opt1" for "Caps Lock"?

(I do not know the game, so might not be needed)

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On 7/28/2022 at 12:17 PM, IronWorks said:

My 10 Pence on ports for the lynx. Go 8bit with a 6502 and something with docs and source code.

Say Lorenz Wiest excellent Star Raiders dissembly.

The carts only 8k and pokey seems quite like the lynx sound chip.

So here`s a rough hack to get something on the screen. It`s running the demo part with an invisible meteor that

will explode if it hits the screen ?

The stars are now sprites instead of bit maps. Radar, sights and text display is to see what it would look like.

Dpad is enabled. All the projection, rotation is the original 8bit code.

I really need to go back to it.

 

snap03.thumb.gif.5702b805372a94907b81141fbcb5a69b.gif

starraiders1b.o 15.1 kB · 6 downloads

This is so awesome. Do you have a place we can buy you a cup of coffee?

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On 7/28/2022 at 9:17 PM, IronWorks said:

My 10 Pence on ports for the lynx. Go 8bit with a 6502 and something with docs and source code.

Say Lorenz Wiest excellent Star Raiders dissembly.

The carts only 8k and pokey seems quite like the lynx sound chip.

So here`s a rough hack to get something on the screen. It`s running the demo part with an invisible meteor that

will explode if it hits the screen ?

The stars are now sprites instead of bit maps. Radar, sights and text display is to see what it would look like.

Dpad is enabled. All the projection, rotation is the original 8bit code.

I really need to go back to it.

 

snap03.thumb.gif.5702b805372a94907b81141fbcb5a69b.gif

starraiders1b.o 15.1 kB · 8 downloads

It works only in Handy.

You can debug it in Felix.

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