On Donnerstag 13 August 2009, Justin wrote: > I posted this on the 1541U forum but that is a pretty limited group > and most people there are not as intimate with the hardware as I see > on CBM hackers, so I thought I'd chuck this idea out there to see > whether it made sense. I'll likely float it elsewhere as well. > > I have an idea that I think the 1541U would be a very "ultimate" > feature. > > We all know that the wonderful thing about the 1541U is the > combination of excellent emulation of the real hardware along with the > ability to use the freezer to change images on the fly. The 1541U also > handles .T64 files and will do the fast DMA injection and execution of > those programs. The DMA approach won't work for conventional D64 or > G64 images, but what if the image format is extended to include a > snapshot of RAM at the moment when the program finishes loading to its > main screen? This would be akin to the suspended state in a VMWARE > image. Then you could select the image file, the 1541U would DMA the > snapshot into RAM, load the image file into the emulated 1541, and > then resume execution. I would imagine that to really do this right, > you'd also want to preserve a snapshot of the original image, and keep > any writes to it (from a program that writes back to the disk) as > diff's from the original image. That way at any time you could revert > the image, redo the DMA load of the memory snapshot, and start over. > I don't really imagine this creating significantly larger file sizes, > and the usability improvements would be exceptional. Things like > JiffyDOS would be more or less obsoleted by this approach except for > in-image alteration. And frankly there is no reason that cannot be > done inside the 1541U's freezer menu beyond someone taking the time to > write it. > > Comments? sounds very pointless to me. it's a lot of work (and i mean it, a LOT) to get it right (not even the existing freezer works right) and all that to speed up initial loading times that arent more than 5 seconds or so with a cartridge anyway. -- http://www.hitmen-console.org http://magicdisk.untergrund.net http://www.pokefinder.org http://ftp.pokefinder.org Vor tausend Jahren hätten die Höflinge es gemerkt, wenn der König oder Herrscher unmerklich verrückt geworden wäre. Heute würde es ihnen garnicht auffallen. <Sir Peter Ustinov> Message was sent through the cbm-hackers mailing listReceived on 2009-08-13 07:22:11
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