http://club100.org/memfiles/index.php?direction=&order=&directory=Steve%20Adolph/creating_embeddedML_basic_programs&;
repaired. let me know if you see any errors. thx On Thu, Sep 19, 2019 at 1:52 PM Dan Higdon <therealh...@gmail.com> wrote: > Cool, thanks. I thought I had a handle on how BASIC was storing strings, > but I was starting to have doubts. :) > It's nice that constant strings seem to be referenced out of the actual > source code though, and not copied into the string table. Maybe Bill knew > what he was doing after all. :) > > On Thu, Sep 19, 2019 at 12:49 PM Stephen Adolph <twospru...@gmail.com> > wrote: > >> ok the root of the issue is my posted file. I'll fix that tonight. >> >> On Thu, Sep 19, 2019 at 1:40 PM Stephen Adolph <twospru...@gmail.com> >> wrote: >> >>> yep like that. >>> >>> On Thu, Sep 19, 2019 at 1:38 PM Dan Higdon <therealh...@gmail.com> >>> wrote: >>> >>>> It was earlier in this thread. >>>> I would have thought that the proper code would look more like: >>>> >>>> 10 a$="your machine code here" >>>> 20 a%=varptr(a$): call (peek(a%+1)+256*peek(a%+2)) >>>> >>>> On Thu, Sep 19, 2019 at 12:33 PM Stephen Adolph <twospru...@gmail.com> >>>> wrote: >>>> >>>>> yah thats not up to date. where did you get that? >>>>> I can post a correction. >>>>> >>>>> On Thu, Sep 19, 2019 at 1:31 PM Dan Higdon <therealh...@gmail.com> >>>>> wrote: >>>>> >>>>>> I'm still struggling to understand how this works: >>>>>> >>>>>> 10 a$="Code in ASCII" >>>>>> 20 call varptr(a$) >>>>>> >>>>>> Doesn't varptr(a$) return the address of the string descriptor, which >>>>>> is [len,lo,hi]? Wouldn't you have to synthesize the call address from >>>>>> lo+hi*256? >>>>>> >>>>>> Or is there something magical about how constant strings are stored? >>>>>> And how do you relocate the code? Or is the first entry in the string >>>>>> table >>>>>> a known address, and you just assemble for that position? >>>>>> >>>>>> Thanks! >>>>>> >>>>>> On Fri, Sep 13, 2019 at 10:30 AM Kurt McCullum <ku...@fastmail.com> >>>>>> wrote: >>>>>> >>>>>>> >>>>>>> It would appear that Steve already came up with a simple solution to >>>>>>> my problem. I just had to find the file "embedding short ML routines in >>>>>>> BASIC.txt" >>>>>>> >>>>>>> 10 a$="Code in ASCII" Zeros not valid but I can work with that. >>>>>>> 20 call varptr(a$) >>>>>>> >>>>>>> Simple solution Steve. My thanks to you for putting that file >>>>>>> together. >>>>>>> >>>>>>> Kurt >>>>>>> >>>>>>
