Analog Devices adsp-2100 Manual page 338

Instruction Set Reference
Program Flow Control Instructions
[IF condition] JUMP
IF FLAG_IN
NOT FLAG_IN
[IF condition] CALL
IF FLAG_IN
NOT FLAG_IN
[IF condition] RTS ;
[IF condition] RTI ;
DO <address> [UNTIL termination] ;
IDLE [(n)];
Table 15.8 Program Flow Control Instructions
Syntax Status Condition
EQ Equal Zero
NE Not Equal Zero
LT Less Than Zero
GE Greater Than or Equal Zero
LE Less Than or Equal Zero
GT Greater Than Zero
AC ALU Carry
NOT AC Not ALU Carry
AV ALU Overflow
NOT AV Not ALU Overflow
MV MAC Overflow
NOT MV Not MAC Overflow
NEG X Input Sign Negative
POS X Input Sign Positive
NOT CE Not Counter Expired
FLAG_IN* FI pin
NOT FLAG_IN* Not FI pin
Table 15.9 IF Condition Codes
* Only available on JUMP and CALL instructions
(I4) ;
(I5)
(I6)
(I7)
<address>
JUMP <address> ;
(I4) ;
(I5)
(I6)
(I7)
<address>
CALL <address> ;
True If:
AZ = 1
AZ = 0
AN .XOR. AV = 1
AN .XOR. AV = 0
(AN .XOR. AV) .OR. AZ = 1
(AN .XOR. AV) .OR. AZ = 0
AC = 1
AC = 0
AV = 1
AV = 0
MV = 1
MV = 0
AS = 1
AS = 0
Last sample of FI pin = 1
Last sample of FI pin = 0
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