> Wolfgang Lenerz wrote: >>> On an ordinary QL I can type >>> >>> f%=-32768/1 >>> >>> and find that f% now contains -32768. >>> >> Well that must be a nice bug. >> >> unless I'm mistaken, 32768/1 = 32768 >> >> and 32768 just doesn't fit in an integer. > > Yes, but -32768 does. Notice the minus ;-) > > Marcel As an interesting aside to this, in some QDOS rom versions there was a little bug whereby you could either assign the value -32768 to a variable and not input it (or possibly vice versa)
LET a%=-32768 would work INPUT a% and type in -32768 and you'd get an error message. Possibly something to do with 2 different range checkings (Simon Goodwin did explain it to me at the time but I don't remember where I saw it, possibly in his QL World rom bugs articles). AFAIK this only ever applied to AH and JM ROMs, and I can't remember which is correct, but since range for signed 16bit numbers is -32768 to +32767 it must be the INPUT a% which gets it wrong. _______________________________________________ QL-Users Mailing List http://www.q-v-d.demon.co.uk/smsqe.htm
