Sprite'd a Sprite editor!

[Carl Attrill]

Hi everyone,

 

I have made a sprite editor for the FIGnition, the listing and the files are below.

Notes.

you can put blocks in the screen with down and move the cursor back and forward with left and right.

press space to see the decimal value of the sprite.

pressing 1 2 3 or 4 will load your sprite and display it on the screen so you can see what it looks like.

There are four set out in a 2x2 this allows you to draw many types of icon.

The info of the most recent sprite is displayed in hex and decimal, but keep a pen handy if you are making sprites as only the last one loaded is recorded, however you can peek the values without loading with space.

q quits.

load these hex files into you fignition as you like but the last one '99' is to be saved at 99 or where dokey can get it, and it is to be loaded last as you compile it or it will not work.

'go' to run it.

if you have any issues please let me know. It could be a typo.

I also maintain figgi.boards.net  so please look and register if you would like to, its a repository of some old programs I have made plus there is room there to share topics if you are not keen on emailing some subjects.

Attached- fth listing, screenshot and hex files.

regards

Carl.

[Julian Skidmore]

Looks good Carl! I'm just about to do today's writeup for FIGkeys!

-cheers from Julz

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The DIY 8-bit computer from nichemachines™

[carl]

I never wrote a computer program before building a fignition! I should have done this earlier. :-! What car would I be driving today?

This program makes good use of loop and some maths with the binary adder halving each time the location moves to the right, until recently I would have used 8 if/then against 128,64 ... etc.

Next target is to understand over.

[Stuart Taylor]

A clapped out Honda civic :-)

[Mark Wills]

OVER just *copies* the second value on the stack to the top.

So if you did:

7 8 9 over

You would this on the stack:

7 8 9 8

So a copy of the 8 jumped "over" the 9.

Hope this helps.

Mark

On 20 Jan 2014 17:18, "carl" <carl.a...@gmail.com> wrote:

[carl]

OVER just *copies* the second value on the stack to the top.

So if you did:

7 8 9 over

You would this on the stack:

7 8 9 8

So a copy of the 8 jumped "over" the 9.

Hope this helps.

Mark

Thanks Mark, that makes sense, I see it in some code when an icon gets moved and rather than emitting a value, over is used instead. It looks more efficient.

A clapped out Honda civic :-)

 

Stu, a Honda Civic, haha. a  good answer you're right, one should not look too much at the what if's in life, 

or should I say on here the if whats.

saw this on the forum yesterday...

http://datadan.wordpress.com/  

I am not sure if he is present here but I think he is going to get a fignition soon.

Carl.

[Mark Wills]

Over is a good way to copy the top two items on the stack, if your system doesn't have 2DUP:

 

: 2DUP ( n1 n2 -- n1 n2 n1 n2 )

  OVER OVER ;

 

Try it:

 

99 100 2DUP

 

Then display your stack (not sure what the command is on the figgy to display the stack; on my system it is .S).

 

You'll see you get:

 

99 100 99 100

 

Hopefully you can FIGure it out ;-)

 

(Did you see what I did there ;-)

 

Cheers

 

Mark

 

[Julian Skidmore]

Hi Mark,

FIGnition has 2dup built-in, as an inline command (i.e. when FIGnition
compiles 2dup it literally compiles over over into the program.
Similarly, compiling * compiles u* drop ).

However, FIGnition doesn't have .S built-in, but it's simply:

: .s
sp i@ sp0 do
i i@ .
2 +loop
;

-cheers from Julz

[Mark Wills]

Cheers Julz!

 

Mark

[carl]

I have made some alterations to the code to make it run smoother ( and run!)

#spriteblock9900.hex# is saved to block 99, but as before you can save it anywhere you want to, but change the load 99 in doKey  to reflect your location.

If you use t2e2 you may find that you lose the last little chunk of code in your hex files, I get around this by adding '( end)' at the conclusion of the code.

I am sure that with a tiny alteration I can change the four icon preview for a one udg animation in four slides. 

Regards.

[carl]

Sprite'd now includes animation!

By including a little routine right at the start, UDGs 1-4 are displayed with a delay so you can review your work.

'a' starts the animation and 's' returns you to your editing.

so you can type or load the blocks into your fignition, remember to put 9900.hex at block 99 or a block you can link doKey to in block 03.hex 

load all 5 blocks and do. 'go' to run the utility.

here is a video of it working.

here are the files...

regards