Build Graphic II character table, include in boot track

simplify boot paper tape (do one xfer of 4K, instead of 3K+1K)
Combine cmd/scope.cas cmd/cas.cas into sys/cas.in
Add src/other/chrtbl.s
write chrtbl.out in "ptr" format

src/other/pbboot.s

@@ -9,25 +9,18 @@
    caf				" reset cpu
    dscs				" clear disk status
 
-" code from maksys (altered to read instead of write):
-   -3072; dslw
+" code orignally from maksys
+" altered to read full 4K (system + char table)
+" instead of write:
+   -4096; dslw
    cla; dslm
    lac track; alss 8; xor o300000; dsld
    lac o2000; dsls
    dssf; jmp .-1
    dsrs; spa; hlt
 
-   -1024; dslw
-   lac d3072; dslm
-   lac track; alss 8; xor o300110; dsld
-   lac o2000; dsls
-   dssf; jmp .-1
-   dsrs; spa; hlt
-
    jmp 0100
 
 o2000: 02000
-d3072: 3072
 o300000: 0300000
-o300110: 0300110
 track: 0		" get 0-9 from switches!!!