On 2012-10-18, at 19:00, Gerrit Heitsch wrote: >> * - how about using the extra space for selecting-in some cart images? I mean I have a need for three KERNALs. Can imagine a need for four. Beyond that I find it difficult to imagine a daily use setup that would need more KERNALs always present. But I can imagine using e. g. three or four KERNALs and one or two or three ROM cart images that would autoboot with CBM80 when selected at $8000. To make it best as I can think of now I would use the room for four KERNALs and two ROM carts. > > That will need some extra wiring since you need to grab the _EXROM or _GAME line from the PLA and also their corresponding chip select lines. > > The logic would then only decode the cart image if it also detects the matching _EXROM/_GAME line being low. Why? If I want to blend-in the content - say - as if it was loaded in RAM? -- SD! Message was sent through the cbm-hackers mailing listReceived on 2012-10-19 01:00:10
Archive generated by hypermail 2.2.0.