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
--
Stephen Hicks
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