[CM] music5?

M. Edward (Ed) Borasky znmeb at cesmail.net
Sat Apr 26 17:25:08 PDT 2008

M. Edward (Ed) Borasky wrote:
> Well ... there's a fundamental issue in PASS1 that may not be easily 
> overcome. On a PDP-6 or PDP-10, I believe the words were 36 bits and the 
> characters six bits, with six characters fitting into a word. It looks 
> like a lot of the DATA statements are expecting this. On Linux/i386, 
> however, an INTEGER is 32 bits and there are four eight-bit characters 
> in it.
> PASS2 is relatively clean ... I think it had only one or two issues 
> preventing it from compiling. PASS3 is a mess :(.
> Stanford doesn't throw *anything* away ... you might be able to find a 
> PDP-6 compiler somewhere and get "simh" to work on it. IIRC "simh" is 
> "mostly" old DEC boxes and the folks who hang out on that web site 
> probably have some of the PDP-6 software. The PDP-6 was a much simpler 
> beast than the 10, so if you can get this to work on an emulated PDP-6, 
> you might be better off than trying to port it.

Well ... simh doesn't do PDP-6 but does do PDP-10. *And* there are 
copies of TOPS-10 and quite a few Fortran compilers. So ... that might 
be your best bet.


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