12/30/2021

[VM/DATAREC] support to enable/disable playing signal and voice separately
[VM/I386_NP21] fix DAA/DAS/AAA/AAS/AAM/AAD based on DOSBox
[VM/I386_NP21] fix SHLD/SHRD for n > 15 case
[VM/I386_NP21] fix FCOM/FCOMI/FXAM for NaN and INF cases
[VM/I386_NP21] fix FDECSTP/FINCSTP to clear C1 flag
[VM/I386_NP21] fix FLD to set/clear C1 flag when stack overflow occurs or not
[VM/I386_NP21] fix FSTENV/FLDENV/FSAVE/FLDENV to consider data16 prefix
[VM/Z80DMA] fix not to enter too long loop (thanks Mr.YAT)