Boxing (Channel F)
A downloadable game
First Released: December 11th 2021
Last Updated: September 13th 2022
2 Player Only game
A boxing game in the style of Atari 2600 Boxing with a top down view. After first day of development most of the core game was in, but collision detection was getting to me. After another day of development I was able to correct this and finish off the base game. Third day added a timer and a title screen, and a way of playing a new round once finished.
Use directional buttons to move your boxer, use twist buttons to punch (clockwise for left punch, anti-clockwise for right punch). Push down button resets game after a round completes.
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Thanks I'll take a look, I did fix some of this stuff before, but I think there was some where it still came up. From what I remember it is just graphical and not impacting on gameplay.
Yup... just graphical.
The missing pixels on your intro screen when running with BackBit (on a 2MHz machine) is also graphical, looks a bit sad though.
What routine are you using, what's the delay after sending graphics data to ports? I imagine it could be what causes it. It's just the image, game is fine.
2048-F8 and 3REES from Arlasoft has a similar problem with the BackBit - these work fine from Videocart-29 though... It could be an early version that was later corrected, don't know. ;)
Thanks, I actually have a new console coming in the post, so I might be able to test the games again on a real console, however I'm a bit reluctant to use the backbit again, I'll have to see what the condition of the console is and hoping it works!
Intro screen I think is just using the four colour screen code for images on veswiki, but I would need to double check. I don't think I've done anything special with that code.
The new adapter for BackBit is pretty good, better with top removed. But there should be a more videocart-like version.
I checked the code - yes it's according to the wiki code. Odd that this hasn't happened before...
I will need to check what delay is needed to work on the 2MHz machines.
I imagine as little as a change to 2 instead of 1 might solve it but I'd have to test to be sure.
lis 1 ; Small delay
.multiblitSavePixelDelay:
ai $ff
bnz .multiblitSavePixelDelay ; loop if not 0 (small delay)
I got development firmware from Evie for the BackBit to solve some issues, let me know if you need it.
You can twist to jump 5 pages, menu covers more of the screen and the XDC opcode is fixed so everything using the Sleisza sound routine won't crash anymore.
EDIT:
Tried changing "lis 1" to "lis 2" in the multiblit-routine - solved the problem. I have updated the wiki-page.
Noticed a gfx bug, if a blue arm is extended and red punches, the "rest" graphics is plotted on top - blue player gets a big bump on the extended arm.