[A83] font hook help
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[A83] font hook help
I am attempting to write a font hook that will stop the display of
certain things during normal calculator operation. (Don’t ask why
J ) First I am checking if the conditions are right to perform a
block of the display. Then in order to block the display I am poping
a certain number of bytes off the stack so that when I ret the calc
continues doing whatever it was doing without displaying anything.
(I also can’t just display spaces or blanks because that will clear
a certain portion of the screen and that won’t work right with my
program)
fonthook:
db 83h
;check if conditions are correct
jr z,allowfordisp
;popvalues and ret
allowfordisp:
cp a
ret
My problem with this method is that it is very OS version specific.
(Because the number of pops to perform depends on the OS version)
I was wondering if there was a way to b_jump to something that would
restore the calculator state like it should be after the display
and continue normal calculator operation. (Something like jforcecmdnochar
only not) Anyone know what I could b_jump to?
That was just my idea… If anyone has any other ideas I would be very
happy to hear them. Thanks!
-Andy Hochhaus