On 23/11/2021 17:12, Seymour J Metz wrote:
LTR R15,R15
JM BADIX
CHI R15,LIMIT
JH BADIX
TML R15,3
JNZ BADIX
J *+4(R15)
BRTAB EQU *
J RC0ROUTINE
J RC4ROUTINE
J RC8ROUTINE
LIMIT EQU *-BRTAB
Three test and branch instruction pairs plus two unconditional
branch instructions, all to avoid executing a sequence
of up to three test and branch instruction pairs :-)
--
Martin
Dr Martin Ward | Email: mar...@gkc.org.uk | http://www.gkc.org.uk
G.K.Chesterton site: http://www.gkc.org.uk/gkc | Erdos number: 4
