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I think the creation of the bitmap is working correctly, because if I use an emulator and set the screen resolution very high, the whole map draws offscreen correctly. That's what makes me think I'm doing something wrong with the GrafPort rather than the bitmap. I am not intentionally setting...

So, update time! I've been working away, and have made some great progress! A lot of trial and error, but once I figured out CopyBits, everything started flowing nicely, and I'm really happy with the progress I've made! I'm now able to use my CICN resources even on a black and white system...

In theory, it should be possible to do exactly that. I downloaded the source code, but it's massive, and I'm not familiar with how it is organized, so it would be quite time consuming to find the correct section of code to edit. If I have some time this weekend, I might start looking through the...

So I was thinking about this all of last night and got intrigued about making a custom Mini vMac for testing purposes. One of the features of DOSBox that I like is the ability to slow it down to a ridiculous speed so you can see where your code is running slow, especially with graphics routines...

Right, you would have to compile your own version, right? I think I was vaguely aware that that's a thing that existed, but have never tried it.

I use Basilisk primarily for my software development, and then after I compile, I test on Mini vMac which allows me to adjust speed down to close to what a true 68000 CPU would be, although I still find it slightly faster than a real machine. I use a Macintosh Plus ROM, and I find the emulation...

Fantastic! I will for sure try this tonight!

Interesting. Now that I think about it, every machine that is capable of colour would have Colour QuickDraw on ROM, so there would never be any reason for it to be included in the OS itself... Makes perfect sense. I'm intrigued about trying to implement this myself. This is actually very...

So, back again with more questions! Lots of progress made, but not much to show in a screenshot just yet. I'd like to polish up a few more features and then post it to see what folks think. So here's where I'm stuck today. So far, I have been using ICON resources for the tiles for my game...

I started with dark grey walls (same pattern as the default desktop background) with a black top, but the trouble is when I wanted to draw diagonal lines for corners, half the time they would overlap the pattern and not be visible. So I switched to the grey pattern with more “spaced out” dots...

And now for something completely fun... I've been working on redesigning the tileset to have a more original look, and I'm looking for some opinions on what people like: Option A: Black walls Option B: Grey Walls Option C: Brick Walls Which one do you like best for a world of robots?

Success!! So after running a few tests, I determined that the value that my UpdateGameBoard routine was using to load the map tiles was junk -- the value of mapTiles was correct, but the formula I was using to calculate where to draw it was the issue. I run through a loop to read and draw each...

Thanks for the advice everyone! I'll try some things out tonight and see if I can isolate the problem. I think you're right about junk ending up in the mapTile array, because I had the problem before with the stop icon when I accidentally wrote beyond the limits of another array and it...

If anyone is interested in having a look at my code, I've uploaded the project here: http://peternightingale.com/files/ANGRYROBOTS.SIT Posting this publicly makes me embarrassed about the state of my code! Remember I was learning as I go! I plan a good cleanup of my code soon.

So little status update... After I got over my paralysis of getting started, and over thinking everything, I just dove in and started coding. And once I got started, I just flew through it, and within a week had re-created my progress in Think C! I'm now making great strides each day. Most of...

Honestly, I think I'm suffering from a bit of analysis paralysis. I'm worrying about making a mistake early on that will haunt me later. The reality is there are several basic options, as several of you have pointed out, and when I look at them, they are not much different from what I coded...

Thanks for the suggestion, I will definitely take a look at that.

All right, so a bit of an update after a long hiatus here. I've been busy with life, but finally buckled down and starting reading through some books about C programming on the Macintosh. I'm now using Think C 5 and the libraries that come with it. I'm struggling because there is so much work to...

This is amazing... I appreciate the decision to use a card that used "standard" parts -- are all the parts for this card still readily available? How easy is it going to be to make one of these, in terms of finding all the components?

Your progress on this is really impressive... I assume you're recording these videos on your "SE/40" with the accelerator card. Curious if you've tested this on a 68000 yet? Your older posts say you're hoping to be able to run it on a Plus at a lower resolution.