I got to the bottom of the “PRINT ERROR”; it thought that it had a serial port attached and tried to talk to it. I’ve currently set that so that it looks like the chip is missing, which has got rid of the error. I *might* do something with it later on. I’ve re-designed a […]

Oh, and I added scanlines.

I spent a few hours this morning porting the 6502 emulation code across and loading in the EPROMs. There was quite a bit of refactoring and optimisation, after which I was pleasantly surprised to see this happen… I’m not sure what the “PRINT ERROR” is for, but it worked!

I’ve started getting the display emulation working first, as this, along with the sound emulation are the biggest unknowns to me. I’m using C and SDL, which seems to be pretty straightforward to use. The Standard Microtan 65 Display The basic Microtan 65 board had a 32×16 character display which could show the standard ASCII […]

Remember the Microtan 65? It was my very first computer, and I have fond memories of tinkering with it. A couple of decades ago, I developed a Windows emulator for this classic machine. And now, I’ve decided it’s about time to bring that emulator to the Linux world. For those unfamiliar, the Microtan 65 was […]