Back in 1985 it was possible to understand the whole computer, from the hardware up through device drivers and the kernel through to the high-level language that came burned into the ROMs (even if it was only Microsoft BASIC). The Reinvigorated Programmer revisits R. C. West's classic and exhaustive book Programming the Commodore 64 and laments the decline of that sort of comprehensive Deep Knowing."

http://reprog.wordpress.com/2010/03/...-commodore-64/

http://developers.slashdot.org/story...finitive-Guide