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2833

interesting website It lists the APF

http://www.theoldcomputer.com/emulators/index.php ... This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus
keith
Jul 2
#2833
 
2832

NEW PROGRAMMING IDEA

I have been wracking that 1000 amp fuse between my ears for the last 7 weeks for a way to add 80 shapes to screenwriter 3. I finally came up with a way. The
keith
Jun 25
#2832
 
2831

Re: For the record

OOPS! Yep you are correct. On 6/23/2015 11:11 PM, Charles Richmond old_computers@... ... This email has been checked for viruses by Avast antivirus
keith
Jun 24
#2831
 
2830

Re: For the record

On Jun 23, 2015, at 7:41 AM, keith keith_phillips@... ... I think you'll find that relative branches on the MC6800 can branch about 127 bytes backward
Charles Richmond
Jun 23
#2830
 
2829

For the record

I would like to complement the APF company on a job well done. The more I look into the workings and the decisions made to bring this computer to market I am
keith
Jun 23
#2829
 
2828

Re: Graphic screen in interrupt

That is what I did-I think. I used a routine to clear 0000-017F with FF and another routine increments the row that another routine used the result of to move
keith
Jun 21
#2828
This message has attachments
  • MP3
    16 KB
    disk11.apd
2827

Re: Graphic screen in interrupt

My routine changes the rows of shapes 0-3 a few rows ahead of the sweeping, that takes about 64 ms , or 57 CPU cycles, in each row. So, shapes 0-3 are
Enrique Collado
Jun 21
#2827
 
2826

Re: Graphic screen in interrupt [1 Attachment]

I was just thinking and wondering. Are you doing the timing based on 30 frames/second? Perhaps 15 or 20 would be interesting and double the number of shapes.
keith
Jun 21
#2826
 
2825

Re: Graphic screen in interrupt [1 Attachment]

Excellent job! At least you can see a picture. My demo is a flickering mess. Not worth a look. thanks! keith On 6/21/2015 7:16 AM, Enrique Collado
keith
Jun 21
#2825
 
2824

Graphic screen in interrupt

At most, I have achieved a maximum of four columns of graphic screen. I include a disk image with examples. GR4CL install a interrupt subroutine to display the
Enrique Collado
Jun 21
#2824
This message has attachments
  • 68 KB
    GR4COL.APD
2823

finally got screen demo working

However, I need to type 6K of data now for the screen. By tomorrow. I am worn out from finding stupid miskates. keith ... This email has been checked for
keith
Jun 20
#2823
 
2822

joystick idea addendum

You could apply the same idea to all 12 keys. So you now have 6144 functions. Screenwriter has 19 screens though. If you relate them to which screen from
keith
Jun 19
#2822
 
2821

expanding joystick functions beyond APF capabilities

Here is a novel idea that is beyond the capacity of the APF. Take the right joystick as an example. You have programmed it for moving a cursor around the
keith
Jun 19
#2821
 
2820

Re: By today's standards the APF is just a lemonade stand

I will modify a copy of screenwriter 3 this weekend to demo how it would look without using the interrupt routines. The slideshow runs at about 3 to 5 screens
keith
Jun 18
#2820
 
2819

Re: By today's standards the APF is just a lemonade stand

The problem is not the interrupt. The problem is the vertical sweeping of the screen. The data for a row must be in place when this row is read, and this
Enrique Collado
Jun 18
#2819
 
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