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Merge pull request #171 from sebras/typos/dmabs.s

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Add page comments and fix typos in dmabs.s
This commit is contained in:
Phil Budne
2019-11-01 23:54:49 -04:00
committed by GitHub
parent 32d91d1e7d 8876fcf79b
commit 34a1554780
2 changed files with 12 additions and 2 deletions
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5
src/cmd/dmabs.s
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@@ -1,3 +1,4 @@
"** 07-13-19.pdf page 23
" dmabs
" takes a list of files on command line and punches out each
@@ -74,6 +75,7 @@ dump2: " (label not used)
dump3: " block loop
-1 " reset i8 to buffer
tad bufp
"** 07-13-19.pdf page 24
dac 8
-64 " get count
dac c1
@@ -135,6 +137,7 @@ dump4: " end of block
done: " here at end of input file
lac tracmd " get transfer command (jmp)
jms put " write to tape
"** 07-13-19.pdf page 25
cla " write a zero word
jms put
lac oldsum " get checksum
@@ -196,6 +199,7 @@ boot:
2:
jms get1-boot+org " get command word from tape
dac cmd-boot+org
"** 07-13-19.pdf page 26
jms get1-boot+org " get count from tape
cma
dac cnt-boot+org " store complemented (incremented below)
@@ -257,6 +261,7 @@ punout: <pp>;<to>;<ut>;040040
o17: 017
fi: 0
"** 07-13-19.pdf page 27
fo: 0
count: 0
oldsum: 0