New option -volume to set global sound level (doesn't work with low quality 8-bit sound)
Add -monitor CLI option (SDL only for now)
monitor: Number base conversions
monitor: BCD floating point support (FP, CFP, MFP)
monitor: add MEM:addr to user breakpoints
Add -bpc and -bbrk CLI options
make monitor ANSI color configurable (--enable-monitoransi)
DOC: add preliminary documentation for monitor COV command