Sinclair ZX80 / ZX81 / Z88 Forums

Hi All,

I've started another 1K game and thought I post my progress as I go. No idea if it will work or if it will turn out the way I imagine it will.

Any guesses on the game?

thewiz wrote: ↑Mon Apr 24, 2023 2:14 pm Any guesses on the game?

Pitfall?

thewiz wrote: ↑Mon Apr 24, 2023 2:14 pm Hi All,

I've started another 1K game and thought I post my progress as I go. No idea if it will work or if it will turn out the way I imagine it will.

Are you using the optimized model so you can use most bytes in 1K?
- start of machinecode full over sysvar
- shortest screen with JP (HL) at end.

Any guesses on the game?

No idea!

Here's another update. Got the invaders moving and another screenshot.
The game is Astro Invaders, which for some reason I remember from BITD. I thought it would work well in 1k so why not.

Yes, I'm using your 1K optimization dr beep to wring the most out of the zeddy. Still got 400 bytes free after setting up a screen of 24 x 12, or 288 bytes. It straddles $4300 on the third line so I can use 8 bit calculations.

Still lots to do.

A quick update. I've added the saucer and a couple of bugs.

Lots still to do including firing and losing a life.

Another week and another update.

I've got firing working, except for hitting saucers and invaders crashing into the ground.

Slow progress I know but still got 100 bytes or so left to handle the remaining bits like losing a life and the game.