Hi
I had the urge to try my hand at a bit of 68k on the Amiga. Its been a very long time but its surprising what you still remember!
I dont have a real Amiga anymore so im using vasm/winuae.
Thing is I noticed that if the emulator is running in windowed mode I can see the copper "wait" positions to the left of the screen. If I resize the window they are off screen. They are not visible if winuae is in full screen mode either.
Heres a screen capture incase my explanation is a bit poor
https://imgur.com/Wge8ZKO
So what causes this? Is it an issue with the emulator or is it an issue with my code?
Basically does my little demo effect work on a real amiga? If it does then it may motivate me to continue with it
Here's a link to the amiga executable (rustycopper1)
http://s000.tinyupload.com/index.php...89809371019253
Made for A500 1.3 OCS PAL
If it freezes with a red or yellow screen then it couldnt allocate enough chip mem. Thats as far as i go with error handling - at least until i figure out how you write text to the cli on kickstart 1.3
Just in case I failed completely and it doesnt work at all. Then I uploaded a (very poor) rip to youtube here...
[ Show youtube player ]
Dont know what went on with the capture as its a lot smoother than that
Happy to upload the source too if anyone feels like a good laugh.