- > LocalErr 0.20 15-Oct-2016 J.G.Harston > Simple version of ON ERROR LOCAL for PROCs in 6502 BASIC : (4 PROCerr_local(1) to enable local error handler 27 PROCerr_local(0) to restore default error handler <: Usage: LOCAL !&16:ON ERROR LOCAL local error handler F: Perr_local(A%):>&FFFF: Z(223?&FFF7)<>&4C: d)A%=0:?&202=err_0%:?&203=err_0%256: n,A%=!&202:A%=A%+1:(!A%&8000FF)=&80004C xerr_%33:P%=err_%:[OPT 0 1LDY#0:LDA(&16),Y:CMP#&EA:BEQP%+5:.F%:JMP!&202 +LDA&16:ADC#0:STA&0B:LDA&17:ADC#0:STA&0C &LDA#0:STA&0A:LDX#&F5:TXS:JMPA%!1:] +?&202=err_%:?&203=err_%/256:err_0%=F%!1