Atmel dragon schematic generator#

Although I have written code for one project in вЂњCвЂќ, I am not вЂњCвЂќ fluent, thus I am leaning towards pure assembly language, which I am quite comfortable developing in. Meanwhile, I am still mulling over which software development method to use for the AVR host. These functions work as expected and I will post on that later. The intention was to be able to test the I/O port decoding in the ATF16V8 PLD and test the programmable wait-state generator, which is triggered by the Z80вЂ™s access to the AVRвЂ™s I/O address. The program is simple, stuff some bytes to the AVRвЂ™s I/O port address and do the same for the 82C55вЂ™s I/O port address.

I wrote a small Z80 program and loaded it into RAM for the Z80 to run and it works as expected. I have performed some more hardware testing on the Z80 SBC using AttoBASIC. The project is still alive! IвЂ™ve had other projects that took some time away from me for the time being. I realized that the last post on this project was nearly twoВ months ago, so hereвЂ™s an update. 17: Project Reference: A вЂњModern DayвЂќ Z80 Hardware Emulator 18: Update: Investigation into Z80 real-time debugging on the AVR 19: PCB arrival вЂ“ initial hardware check 20: Hardware test вЂ“ 2nd phase 21: Update for March 17, 2017

Atmel dragon schematic generator#

06: 1st attempt at a programmable wait-state generator 07: Moving the programmable wait-state generator into a GAL22V10 08: Programming the memory and I/O address decoder PLD 09: More testing of the memory and I/O address decoder PLD 10: Getting the Z88DK software development suite up and running 11: Z80 testing вЂ“ Simple program to exercise the UART 12: Progress Update 13: PC Board artworks off to the fabricator 14: Success with FAT library ! 15: Project goals as thoughts and concepts now put into words вЂ¦ 16: Additional thoughts on вЂњdebuggingвЂќ Z80 code on the Z80 SBC. 01: Another Z80 single-board computer? 02: Initial design criteria 03: Working on the SPLD to use as an I/O decoder 04: Testing the 74HC299 data bus interface 05: Testing the AVRвЂ™s interrupt latency.