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PicoBlaze 8-bit Embedded Microcontroller www.xilinx.com 119
UG129 (v1.1.2) June 24, 2008
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Appendix D
Instruction Codes
Table D-1 provides the 18-bit instruction code for every PicoBlaze™ processor instruction.
Table D-1: PicoBlaze Instruction Codes
Instruction 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
ADD sX,kk 0 1 1 0 0 0 x x x x k k k k k k k k
ADD sX,sY 0 1 1 0 0 1 x x x x y y y y 0 0 0 0
ADDCY sX,kk 0 1 1 0 1 0 x x x x k k k k k k k k
ADDCY sX,sY 0 1 1 0 1 1 x x x x y y y y 0 0 0 0
AND sX,kk 0 0 1 0 1 0 x x x x k k k k k k k k
AND sX,sY 0 0 1 0 1 1 x x x x y y y y 0 0 0 0
CALL 1 1 0 0 0 0 0 0 a a a a a a a a a a
CALL C 1 1 0 0 0 1 1 0 a a a a a a a a a a
CALL NC 1 1 0 0 0 1 1 1 a a a a a a a a a a
CALL NZ 1 1 0 0 0 1 0 1 a a a a a a a a a a
CALL Z 1 1 0 0 0 1 0 0 a a a a a a a a a a
COMPARE sX,kk 0 1 0 1 0 0 x x x x k k k k k k k k
COMPARE sX,sY 0 1 0 1 0 1 x x x x y y y y 0 0 0 0
DISABLE INTERRUPT 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ENABLE INTERRUPT 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
FETCH sX, ss 0 0 0 1 1 0 x x x x 0 0 s s s s s s
FETCH sX,(sY) 0 0 0 1 1 1 x x x x y y y y 0 0 0 0
INPUT sX,(sY) 0 0 0 1 0 1 x x x x y y y y 0 0 0 0
INPUT sX,pp 0 0 0 1 0 0 x x x x p p p p p p p p
JUMP 1 1 0 1 0 0 0 0 a a a a a a a a a a
JUMP C 1 1 0 1 0 1 1 0 a a a a a a a a a a
JUMP NC 1 1 0 1 0 1 1 1 a a a a a a a a a a
JUMP NZ 1 1 0 1 0 1 0 1 a a a a a a a a a a