glm94/pdp7-unix
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This commit is contained in:
Phil Budne
2016-03-21 11:00:19 -04:00
parent eca41ba9dc
commit 164125be7e
2 changed files with 7 additions and 7 deletions
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src/sys/s3.s
+2 -2
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@@ -283,11 +283,11 @@ rkbdi:
lmq lmq
and o155 and o155
sad o55 sad o55
jmp 1f jmp 1f " -/=? map to =?-/ ???
lacq lacq
and o137 and o137
sad o134 sad o134
skp skp " \| map to Ll ???
jmp 2f jmp 2f
1: 1:
lacq lacq
src/sys/s7.s
+5 -5
View File
@@ -77,18 +77,18 @@ cnop: " fetched as constant in iread
1: lds " load display status (see 03-scope.pdf pg 25) 1: lds " load display status (see 03-scope.pdf pg 25)
sma ral " display trap set? (and rotate left) sma ral " display trap set? (and rotate left)
jmp 1f " not set jmp 1f " not set
cdf " clear display flags cdf " display done executing; clear display flags
lac .dspb lac .dspb
sna sna
jmp piret jmp piret " return now if .dspb == 0
tad dm3 tad dm3
sna sna
jmp dsprestart jmp dsprestart " start display if .dspb == 3
dac .dspb dac .dspb " otherwise, .dspb -= 3 and return
jmp piret jmp piret
dsprestart: dsprestart:
lac d1 lac d1
dac .dspb " set .dsbp = 1 dac .dspb " set .dspb = 1
lac dspbufp " load display buf pointer lac dspbufp " load display buf pointer
beg " start display processor beg " start display processor
-10 -10