Search found 34 matches
- Wed Dec 05, 2018 12:34 pm
- Forum: Hardware
- Topic: [MZ-80 K] Serial interface through I/O ports $F8-$FF
- Replies: 9
- Views: 10824
Re: [MZ-80 K] Serial interface through I/O ports $F8-$FF
I had been informed about this decoding scheme but with your clear explanation I finally understand it. Thank you. But , as I want to use only expansion port without the need of soldering inside I can use the MREQ with the following address decoding acording the new schematic below: mz-serial_MREQ.j...
- Wed Dec 05, 2018 6:43 am
- Forum: Hardware
- Topic: [MZ-80 K] Serial interface through I/O ports $F8-$FF
- Replies: 9
- Views: 10824
Re: [MZ-80 K] Serial interface through I/O ports $F8-$FF
Thank you hlide for your quick response. A detailed i/o map usage and memory map would be usefull . I have not find a complete list yet. About my experiment: I understand that you can only access IORQ trough IN & OUT commands only not with POKE & PEEK. As I would also prefer to access serial...
- Tue Dec 04, 2018 12:01 pm
- Forum: Hardware
- Topic: [MZ-80 K] Serial interface through I/O ports $F8-$FF
- Replies: 9
- Views: 10824
[MZ-80 K] Serial interface through I/O ports $F8-$FF
Hi to all you out there! I have a question about MZ I/O address range: I want to experiment with a DIY serial interface using 167c550 for MZ80K. I have examined carefully the MZ80k service manual and designed the folloing schematic : schema.jpg ΝΟΤΕ: this circuit HAS NOT been tested yet! My question...
- Tue Dec 04, 2018 11:40 am
- Forum: Off-topic
- Topic: Introduction
- Replies: 59
- Views: 72316
Re: Introduction
Hello
-male
-1969
-Greece
my first computer was (is) Commdore 64
recentrly bacame a proud owner of an MZ80K and trying all kind of DIY projects with it!
-male
-1969
-Greece
my first computer was (is) Commdore 64
recentrly bacame a proud owner of an MZ80K and trying all kind of DIY projects with it!