*** maindec-801-3a-pa	2021-02-25 08:45:29.440000000 -0800
--- maindec-08-d0aa-pa	2021-02-25 08:45:20.500000000 -0800
***************
*** 8,13 ****
--- 8,20 ----
  MQA=7501
  LSR=7417
  SHL=7413
+ SCL=7403
+ 
+ *0000
+ 	0
+ 	JMP .			/HANG IF WE GET HERE
+ 	.
+ 	.
  
  *0020
  GEN,	0
***************
*** 120,125 ****
--- 127,133 ----
  LFTMQ,	0
  K7764,	7764
  XK400,	4000
+ SCLTST,	TSTSCL
  
  *0010
  ACIND,	0
***************
*** 127,132 ****
--- 135,141 ----
  XACNMI,	0
  XMQNMI,	0
  *200
+ 	JMS I SCLTST		/TEST SCL AND SCA
  MQLT,	JMP HSE			/HOUSE KEEPING
  	JMS Z GEN
  	STL CLA CMA		/SET LINK
***************
*** 361,367 ****
  	AND Z GENX
  	DCA Z ACP		/STORE AC PATTERN
  	CLA CMA
! 	DCA Z LXP		/STORE LINK TO A ONE
  	CMA
  	AND Z ACP		/LOAD AC
  	MQL			/LOAD MQ FROM AC
--- 370,377 ----
  	AND Z GENX
  	DCA Z ACP		/STORE AC PATTERN
  	CLA CMA
! /VRS	DCA Z LXP		/STORE LINK TO A ONE
! 	DCA I LXP		/STORE LINK TO A ONE
  	CMA
  	AND Z ACP		/LOAD AC
  	MQL			/LOAD MQ FROM AC
***************
*** 465,471 ****
  	DCA Z BLXP
  	JMP RL2
  *1000
! MQAT1,	JMP HSE3
  	JMS GEN
  	CLL CLA CMA		/CLEAR LINK
  	AND Z GENX
--- 475,482 ----
  	DCA Z BLXP
  	JMP RL2
  *1000
! //VRS MQAT1,	JMP HSE3
! MQAT1,	JMS HSE3
  	JMS GEN
  	CLL CLA CMA		/CLEAR LINK
  	AND Z GENX
***************
*** 1029,1035 ****
  	DCA NTST
  	JMS GENN
  SCP14,	JMS I TXXX
! 	JMP SCP14
  T15,	JMS I KKKNU
  	AND T14X+2
  	DCA NTST
--- 1040,1047 ----
  	DCA NTST
  	JMS GENN
  SCP14,	JMS I TXXX
! /VRS	JMP SCP14
! 	JMP I SCP14
  T15,	JMS I KKKNU
  	AND T14X+2
  	DCA NTST
***************
*** 2270,2275 ****
--- 2282,2359 ----
  	JMP NMTS3
  
  *5400
+ TSTSCL,	0
+ 	CLA 
+ 	SCL		/LOAD SC WITH 00
+ 	7737
+ 	SCA
+ 	SZA CLA 
+ 	HLT
+ 	SCL
+ 	7776		/SC TO 01
+ 	SCA
+ 	TAD .-2
+ 	CMA 
+ 	SZA CLA 
+ 	HLT
+ 	SCL
+ 	7775		/02
+ 	SCA
+ 	TAD .-2
+ 	CMA 
+ 	SZA CLA 
+ 	HLT
+ 	SCL
+ 	7773		/04
+ 	SCA
+ 	TAD .-2
+ 	CMA
+ 	SZA CLA 
+ 	HLT
+ 	SCL
+ 	7767		/10
+ 	SCA
+ 	TAD .-2
+ 	CMA 
+ 	SZA CLA 
+ 	HLT
+ 	SCL
+ 	7757		/20
+ 	SCA
+ 	TAD .-2
+ 	CMA 
+ 	SZA CLA 
+ 	HLT
+ 	SCL
+ 	7765		/12
+ 	SCA
+ 	TAD .-2
+ 	CMA 
+ 	SZA CLA 
+ 	HLT
+ 	SCL
+ 	7752		/25
+ 	SCA
+ 	TAD .-2
+ 	CMA 
+ 	SZA CLA 
+ 	HLT
+ 	SCL
+ 	0077		/00
+ 	SCA
+ 	SZA CLA 
+ 	HLT
+ 	SCL
+ 	7700		/37
+ 	SCA
+ 	TAD C7740
+ 	CMA 
+ 	SZA CLA 
+ 	HLT
+ 	ISZ SCLCNT	/4096 PASSES
+ 	JMP TSTSCL+1	/ANOTHER PASS
+ 	JMP I TSTSCL	/GOOD TO GO
+ SCLCNT,	0000
  
  E3A,	JMS Z CRLF
  	CLA CMA
***************
*** 2281,2284 ****
--- 2365,2369 ----
  	JMP I .+1
  
  BIGL,	MQLT
+ C7740,	7740
  $