On Saturday 28 March 2009 06:39:23 pm bob...@comcast.net wrote: > ----- Richard Gray wrote: > > I think this example puts the stack-pointer into HL, doesn't it? > > > > Sorry! (I just woke up, and there is no pepsi in the house...) > > But isn't this sort of a trick question??? You usually know > exactly what the PC is at every point in your program! > The stack pointer is the one that is a bit tricky to get at. > > Now if you really want to know what the SP was when it > hit a breakpoint (IOW, which breakpoint did you hit?), then > the standard way to do that on z80 is to use restart inst., > and then look on top of stack. > > But I see that OP asked about "hardware debugger", and > I suppose in that case you might just want to know where > the program was executing currently, and my answer > would then be "ask the hardware debugger that you built". > > I always use software debugger, myself. > > Randy
No, I am making a debugger, and one of the things is to dump the registers so sending command the response is a list of registers PC=1000, BC=1000,etc Thanks and by the way I got a answer ld hl,0 add hl,sp Thanks again ------------------------------------------------------------------------------ _______________________________________________ Sdcc-user mailing list Sdcc-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sdcc-user
