ROM/RAM Part 1 – addressing basics

So we are ready to start connecting ROM and RAM to the CPU, but before we do this, we will have an look at the address bus of the MC68010 Wait, there is only 23 address lines? This must mean that the CPU can only address 8 MB […]

First things first….an reset circuit

All CPUs needs to be powered on correctly, and m68k is no different. Just supplying power is not enough, and the CPU needs some things to ensure registers are cleared, and CPU prepared to start executing. But before that, let us look at how an CPU actually do […]