; PROGRAM: Dynamic RAM Basics (DRAM.SRC)
; works with "RAS before CAS" DRAMs
; Written December 29, 1993
; Revised February 24, 1996
; Upon power up or reset, this program starts sampling pin ra.0 and
; recording its state in sequential addresses of a 1Mb dynamic RAM.
; When the DRAM is full, the program plays back the recorded bits
; in a continuous loop.