cleanup of source tree

.gitignore

@@ -12,3 +12,4 @@ build/n.out
 build/alt/a.lst
 build/alt/a.out
 build/alt/image.fs
+/.DS_Store

binaries/boot.rim

@@ -1 +0,0 @@
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binaries/unixv0.simh

@@ -1,31 +0,0 @@
-set cpu 8k
-set cpu eae
-set cpu history=100
-show cpu
-
-# set up SIMH devices:
-
-# UNIX character translations (CR to NL, ESC to ALTMODE):
-set tti unix
-
-# RB09 fixed head disk:
-set rb ena
-att rb image.fs
-
-# uncomment to TELNET in GRAPHICS-2 keyboard/display(!!)
-# (requires github.com/philbudne/simh)
-set g2in ena
-att -U g2in 12345
-
-# disable hardware UNIX-7 doesn't know about:
-set lpt disa
-set drm disa
-set dt disa
-
-# show device settings:
-show dev
-
-# load and run the paper tape bootstrap
-# (loads system from disk)
-load boot.rim 010000
-go