system comments

2016-03-03 02:03:09 -05:00
parent d33ce4c69f
commit df75edde3c
6 changed files with 141 additions and 115 deletions
@@ -36,11 +36,13 @@ pibreak:			" priority interrupt processing "chain"
   isz uquant		"    increment user quantum counter
 	"** written: ttydelay -> ttyd1
 	"** written: ttyrestart -> ttyres1
+
+	" referenced in iread:
 cnop:
   nop
   -1
-   dac 7
-   clon
+   dac 7		" set location 7 to -1
+   clon			" enable clock interrupts, reset flag
   lac ttydelay
   spa
   isz ttydelay