By building an Address Enable Control line into both the VIC and the 6510 CPU, the VIC can steal access to memory by pulling the line from its default state of full voltage down to zero; when this happens, the 6510 puts its memory bus into high-impedance mode, which blocks any usage by the CPU. 85/
=> More informations about this toot | View the thread | More toots from Two9A@hachyderm.io
text/gemini
This content has been proxied by September (ba2dc).