$NetBSD: version,v 1.7 2023/02/12 10:18:23 tsutsui Exp $

1.1:	initial import
1.3:	Add ELF support
1.4:	loadfile() update:  ELF symbols no longer need backward seeks.
1.5:	loadfile() update to avoid backwards seeks for ELF Program Headers.
1.6:	Fix a bug on DMA reg accesses and a problem on detecting old drives
1.7:	Add support of NeXT_CUBE_TURBO
1.8:	Fix DELAY() to actually wait specified microsconds