Re: A86: Re: example of graph 'hook'


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Re: A86: Re: example of graph 'hook'




ok, so what type of hook does this use?  i can't seem to figure out the source :-(

Dux Gregis wrote:

> Dux Gregis wrote:
>
> > Pat Milheron wrote:
> >
> > > Here's the source, have fun.
> > >
> > > Later,
> > > Pat
> >
> > Swank!  This is going to be helpful.  I don't suppose you can tell me what the unknown equates are...  I can't recompile it
> > like this.
>
> Alright, nevermind. :-)  I decided to do a little disassembly:
>
> _bitgrffuncm                  equ $402c          ; check for func mode, sets z flag
> _GEQNAMEA              equ $4e71          ; OP1=NAME OF CURRENT EQ
> _CPYTO1FPST          equ $4897          ; OP1=NAME OF EQ VAR WITH EXP
> _CPYO2TOFPST          equ $48d7          ; SAVE RESULT IN FPST INSTEAD
> _GFUDYDX              equ $4b9f          ; OP1=dy/dx
> _CKOP1REAL          equ $41cb          ; check if op1 real, sets z flag
> _CPYTO2FpS2          equ $48c3          ; OP2=y1
> _INVSUB                  equ $45e3            ; OP1=y1-(dy/dy) x1
> _INVOP1s              equ $5494
> _deallocfps1              equ $47db          ; clean fps
> plotloc                      equ 1                  ; display only
> _inco1exp                 equ $4527          ; delta x times 10
> _cpyto2fps1                 equ $48af          ; OP2= x
> _cpyto2fps2              equ $48c3          ; op2 = dy/dx
> _CPYTO2FPST          equ $4893          ; constant



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Stephen Hicks
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