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APPENDIX
Note:
See Table B.5-1 and Table B.5-2 for information on (a) to (d) in the table.
Table B.8-14 19 Branch 2 Instructions
Mnemonic # RG B Operation L
H
A
H
ISTNZVCR
M
W
CBNE A,#imm8,rel 3 *1 0 0 Branch on byte (A) not equal to imm8 - - - - - * * * * -
CWBNE A,#imm16,rel 4 *1 0 0 Branch on word (A) not equal to imm16 - - - - - * * * * -
CBNE ear,#imm8,rel 4 *2 1 0 Branch on byte (ear) not equal to imm8 - - - - - * * * * -
CBNE eam,#imm8,rel *9 4+ *3 0 (b) Branch on byte (eam) not equal to imm8 - - - - - * * * * -
CWBNE ear,#imm16,rel 5 *4 1 0 Branch on word (ear) not equal to imm16 - - - - - * * * * -
CWBNE eam,#imm16,rel*9 5+ *3 0 (c) Branch on word (eam) not equal to imm16 - - - - - * * * * -
DBNZ ear,rel 3 *5 2 0 Branch on byte (ear) = (ear) - 1, (ear) not equal to 0 - - - - - * * * - -
DBNZ eam,rel 3+ *6 2 2 x (b) Branch on byte (eam) = (eam) - 1, (eam) not equal to 0 - - - - - * * * - *
DWBNZ ear,rel 3 *5 2 0 Branch on word (ear) = (ear) - 1, (ear) not equal to 0 - - - - - * * * - -
DWBNZ eam,rel 3+ *6 2 2 x (c) Branch on word (eam) = (eam) - 1, (eam) not equal to 0 - - - - - * * * - *
INT #vct8 2 20 0 8 x (c) Software interrupt - - R S - - - - - -
INT addr16 3 16 0 6 x (c) Software interrupt - - R S - - - - - -
INTP addr24 4 17 0 6 x (c) Software interrupt - - R S - - - - - -
INT9 1 20 0 8 x (c) Software interrupt - - R S - - - - - -
RETI 1 *8 0 *7 Return from interrupt - -*******-
LINK #imm8 2 6 0 (c)
Saves the old frame pointer in the stack upon entering the function,
then sets the new frame pointer and reserves the local pointer area.
----------
UNLINK 1 5 0 (c)
Recovers the old frame pointer from the stack upon exiting the
function.
----------
RET *10 1 4 0 (c) Return from subroutine - - - - - - - - - -
RETP *11 1 6 0 (d) Return from subroutine - - - - - - - - - -
*1: 5 when a branch is made; otherwise, 4
*2: 13 when a branch is made; otherwise, 12
*3: 7+(a) when a branch is made; otherwise, 6+(a)
*4: 8 when a branch is made; otherwise, 7
*5: 7 when a branch is made; otherwise, 6
*6: 8+(a) when a branch is made; otherwise, 7+(a)
*7: 3 x (b) + 2 x (c) when jumping to the next interruption request; 6 x (c) when returning from the current interruption
*8: 15 when jumping to the next interruption request; 17 when returning from the current interruption
*9: Do not use RWj+ addressing mode with a CBNE or CWBNE instruction.
*10: Return from stack (word)
*11: Return from stack (long word)