Problem attaching 8 disk images

[larsbrinkhoff]

@rmaldersoniii reported a problem in PDP-10/its#588.

KLH10# ; Define basic KS10 device config - two RH11s each on its own Unibus
KLH10#
KLH10# devdef rh0 ub1 rh11 addr=776700 br=6 vec=254
KLH10# devdef rh1 ub3 rh11 addr=772440 br=6 vec=224
KLH10#
KLH10# ; Provide one disk, one tape in config ITS expects
KLH10#
KLH10# devdef dsk0 rh0.0 rp type=rp06 format=dlw8 path=../../out/its.0.rp06 iodly=0
KLH10# devdef dsk1 rh0.1 rp type=rp06 format=dlw8 path=../../out/its.1.rp06 iodly=0
KLH10# devdef dsk2 rh0.2 rp type=rp06 format=dlw8 path=../../out/its.2.rp06 iodly=0
KLH10# devdef dsk3 rh0.3 rp type=rp06 format=dlw8 path=../../out/its.3.rp06 iodly=0
KLH10# devdef dsk4 rh0.4 rp type=rp06 format=dlw8 path=../../out/its.4.rp06 iodly=0
KLH10# devdef dsk5 rh0.5 rp type=rp06 format=dlw8 path=../../out/its.5.rp06 iodly=0
KLH10# devdef dsk6 rh0.6 rp type=rp06 format=dlw8 path=../../out/its.6.rp06 iodly=0
KLH10# devdef dsk7 rh0.7 rp type=rp06 format=dlw8 path=../../out/its.7.rp06 iodly=0
KLH10#
KLH10# devdef mta0 rh1.0 tm02 fmtr=tm03 type=tu45
KLH10#
KLH10# ; ITS wants a 60Hz clock, allow it. Need this until defaults OK.
KLH10# set clk_ithzfix=60
clk_ithzfix: 60. => 60.
KLH10#
KLH10# ; Define IMP for PI on ITS.JOSS.COM
KLH10# devdef imp ub3 lhdh addr=767600 br=6 vec=250 ipaddr=172.16.36.247 gwaddr=172.16.36.1
Out of room for more device defs

[Rhialto]

The Makefile system contains an override -DKLH10_DEVMAX=12. Could that be the problem?

[larsbrinkhoff]

I see exactly 12 devdef in @rmaldersoniii's configuration. I would have expected it to crash on number 13 if the limit was set to 12. But close enough? Maybe there's an internal device.

[larsbrinkhoff]

Confirmed. Five disks are fine, adding one more triggers the Out of room message at devdef number 12.

[larsbrinkhoff]

Setting -DKLH10_DEVMAX=13 allows six disks and bails at seven. I'd say, we raise this limit to something roomy, yet reasonable.

[larsbrinkhoff]

Fixed by #28.