My program2

R1 negative?

Go back to loop

No

R2 - \"Y\"

try to matchR4 - R3 + R1

R2 - 'N'

CountR0 - 16

load the valueR1 - M[x3100]

Halt

match-codeR3 -2's complement of 1110 000 0 0000 0000 0000

End?R0 ?= 0

Yes

Match?R4 = 0?

put R2 into x3101

moveR1 - R1+R1

renew the countR0 - R0 -1