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APPENDIX B Instructions
Note:
See Table B.5-1 and Table B.5-2 for information on (a) to (d) in the table.
Table B.8-13 31 Branch 1 Instructions
Mnemonic # RG B Operation L
H
A
H
ISTNZVCR
M
W
BZ/BEQ rel 2 *1 0 0 Branch on (Z) = 1 ----------
BNZ/BNErel 2 *1 0 0 Branch on (Z) = 0 ----------
BC/BLO rel 2 *1 0 0 Branch on (C) = 1 ----------
BNC/BHSrel 2 *1 0 0 Branch on (C) = 0 ----------
BN rel 2 *1 0 0 Branch on (N) = 1 ----------
BP rel 2 *1 0 0 Branch on (N) = 0 ----------
BV rel 2 *1 0 0 Branch on (V) = 1 ----------
BNV rel 2 *1 0 0 Branch on (V) = 0 ----------
BT rel 2 *1 0 0 Branch on (T) = 1 ----------
BNT rel 2 *1 0 0 Branch on (T) = 0 ----------
BLT rel 2 *1 0 0 Branch on (V) nor (N) = 1 ----------
BGE rel 2 *1 0 0 Branch on (V) nor (N) = 0 ----------
BLE rel 2 *1 0 0 Branch on ((V) xor (N)) or (Z) = 1 ----------
BGT rel 2 *1 0 0 Branch on ((V) xor (N)) or (Z) = 0 ----------
BLS rel 2 *1 0 0 Branch on (C) or (Z) = 1 ----------
BHI rel 2 *1 0 0 Branch on (C) or (Z) = 0 ----------
BRA rel 2 *1 0 0 Unconditional branch ----------
JMP @A 1 2 0 0 word (PC) <-- (A) ----------
JMP addr16 3 3 0 0 word (PC) <-- addr16 ----------
JMP @ear 2 3 1 0 word (PC) <-- (ear) ----------
JMP @eam 2+ 4+(a) 0 (c) word (PC) <-- (eam) ----------
JMPP @ear *3 2 5 2 0 word (PC) <-- (ear), (PCB) <-- (ear+2) ----------
JMPP @eam *3 2+ 6+(a) 0 (d) word (PC) <-- (eam), (PCB) <-- (eam+2) ----------
JMPP addr24 4 4 0 0 word (PC) <-- ad24 0-15, (PCB) <-- ad24 16-23 ----------
CALL @ear *4 2 6 1 (c) word (PC) <-- (ear) ----------
CALL addr16 *5 2+ 7+(a) 0 2 x (c)word (PC) <-- (eam) ----------
CALL @eam *4 3 6 0 (c) word (PC) <-- addr16 ----------
CALLV #vct4 *5 1 7 0 2 x (c)Vector call instruction ----------
CALLP @ear *6 2 10 2 2 x (c)word (PC) <-- (ear)0-15, (PCB) <-- (ear)16-23 ----------
CALLP @eam *6 2+ 11+(a)0 *2 word (PC) <-- (eam)0-15, (PCB) <-- (eam)16-23 ----------
CALLP addr24 *7 4 10 0 2 x (c)word (PC) <-- addr0-15, (PCB) <-- addr16-23 ----------
*1: 4 when a branch is made; otherwise, 3
*2: 3 x (c) + (b)
*3: Read (word) of branch destination address
*4: W: Save to stack (word) R: Read (word) of branch destination address
*5: Save to stack (word)
*6: W: Save to stack (long word), R: Read (long word) of branch destination address
*7: Save to stack (long word)