Search found 2 matches

by ErBo32
Sun Nov 10, 2024 3:18 pm
Forum: General QL Chat
Topic: Emulate RAM/ROM Using Raspi Pico and a 68K
Replies: 3
Views: 1389

Re: Emulate RAM/ROM Using Raspi Pico and a 68K

Very nice job
But without a easy way to have a good screen
Have to find a way to use the gpio pins of a raspberry pi 4 or 5
Maybe via i2c and a line of shift registers on high speed
The 8 bits databus and some control pins need two-way communication so it needs 2 x two 74HC145 buffers in ...
by ErBo32
Sun Nov 10, 2024 2:06 am
Forum: General QL Chat
Topic: Emulate RAM/ROM Using Raspi Pico and a 68K
Replies: 3
Views: 1389

Emulate RAM/ROM Using Raspi Pico and a 68K

I can't find this topic on this forum and so I give it a shot myself.

Press a 68000 or a 68008 into a breadboard and knot it up to a Raspi Pico. Seems simple and it is more simple than one might think. At least to do some simple coding.
I don't know yet if a 68K can do single stepping but a W65C02S ...