The Z80 card is basically to use the cpm operating system with 80 columns. Widely used at the time. Microsoft sold thousands of cards.
Search found 5 matches
- Mon Jul 17, 2023 6:20 am
- Forum: Other Computer / System Cores
- Topic: Apple II Core
- Replies: 256
- Views: 176687
- Wed Dec 07, 2022 7:37 am
- Forum: Other Computer / System Cores
- Topic: Oric-1 / Atmos Core
- Replies: 51
- Views: 15295
Re: Oric-1 / Atmos Core
Most of the changes I made to the Oric core earlier this year were in attempts to get TAP loading supported through the OSD. It required a bit of conversion to Verilog from VHDL in order to simulate the core on Verilator. My initial approach to parse the TAP format and bypass traditional cassette loading methods was getting too complicated so I we...
- Sun Nov 20, 2022 12:03 pm
- Forum: Other Computer / System Cores
- Topic: Oric-1 / Atmos Core
- Replies: 51
- Views: 15295
Re: Oric-1 / Atmos Core
I have tried the tap and bios loader on the new core and they work great.
The only thing that seems broken is the disk controller. Neither sedoric4 nor large disk images work.
I have attached the latest version of Rampa's core (not yet published) in which the disk works fine.
The only thing that seems broken is the disk controller. Neither sedoric4 nor large disk images work.
I have attached the latest version of Rampa's core (not yet published) in which the disk works fine.
- Mon Nov 14, 2022 2:57 pm
- Forum: Other Computer / System Cores
- Topic: Oric-1 / Atmos Core
- Replies: 51
- Views: 15295
Re: Oric-1 / Atmos Core
Congratulations, the tap loader works great.
As an additional feature you would consider adding switching between qwerty and azerty keyboards.
As an additional feature you would consider adding switching between qwerty and azerty keyboards.
- Fri Apr 09, 2021 3:47 pm
- Forum: Other Computer / System Cores
- Topic: Macintosh Plus Setup
- Replies: 249
- Views: 343088
Re: Macintosh Plus Setup
I would be happy to try your work with macintosh .vhd files.