Good deal. I replaced the following 104 bytes of machine code...
IF RECBUF+108,(ON,TM),B'11000000'
MVI CWORK,C'4'
ELSE
IF RECBUF+108,(ON,TM),B'10000000'
MVI CWORK,C'3'
ELSE
IF RECBUF+108,(ON,TM),B'01000000'
MVI CWORK,C'2'
ELSE
MVI CWORK,C'1'
ENDIF
ENDIF
ENDIF
IF RECBUF+108,(ON,TM),B'00110000'
MVI CWORK+2,C'4'
ELSE
IF RECBUF+108,(ON,TM),B'00100000'
MVI CWORK+2,C'3'
ELSE
IF RECBUF+108,(ON,TM),B'00010000'
MVI CWORK+2,C'2'
ELSE
MVI CWORK+2,C'1'
ENDIF
ENDIF
ENDIF
...with the following 38 bytes of machine code. Thanks.
XR R1,R1 CLEAR WORK REGISTER
IC R1,RECBUF+108 GET ENCODED BYTE
SRL R1,6 SHIFT OUT RIGHTMOST BITS
AHI R1,C'1' YIELD '1' TO '4' VALUE
STC R1,CWORK STORE THAT
IC R1,RECBUF+108 GET ENCODED BYTE, AGAIN
SLL R1,24+2 SHIFT OUT LEFTMOST BITS
SRL R1,24+6 SHIFT INTO POSITION
AHI R1,C'1' YIELD '1' TO '4' VALUE
STC R1,CWORK+2 STORE THAT
Sincerely,
Dave Clark
--
Winsupply Group Services
3110 Kettering Boulevard
Dayton, Ohio 45439 USA
(937) 294-5331
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