COP8SA-DM National Semiconductor, COP8SA-DM Datasheet - Page 110
COP8SA-DM
Manufacturer Part Number
COP8SA-DM
Description
MODULE DEBUGGING FOR COP8SA
Manufacturer
National Semiconductor
Datasheet
1.DM-COP820D.pdf
(254 pages)
Specifications of COP8SA-DM
Module/board Type
Debugger Module
For Use With/related Products
Cop 8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
*COP8SA-DM
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Syntax:
Description:
Operation:
NOTE:
2-72
IFBIT #,[B]
IFBIT #,MD
IFBIT #,A
Instruction
COP8SAx7 MICROCONTROLLER
The IFBIT #,A is a special subset of the more generalized ANDSZ instruc-
tion and shares the same opcode of 60. This instruction disassembles into
the ANDSZ instruction.
a)IFBIT #,[B]
b)IFBIT #,MD
c)IFBIT #,A
The selected bit (# = 0 to 7, with 7 being the high-order bit) from
If the selected bit is high (=1), then the next instruction is executed. Oth-
erwise, the next instruction is skipped.
IF BIT (#) SELECTED
IS EQUAL TO 0,
THEN SKIP NEXT INSTRUCTION
IFBIT 0,A equivalent to ANDSZ A,#1
IFBIT 1,A equivalent to ANDSZ A,#2
IFBIT 2,A equivalent to ANDSZ A,#4
IFBIT 3,A equivalent to ANDSZ A,#8
IFBIT 4,A equivalent to ANDSZ A,#16
IFBIT 5,A equivalent to ANDSZ A,#32
IFBIT 6,A equivalent to ANDSZ A,#64
IFBIT 7,A equivalent to ANDSZ A,#128
Register Indirect (B Pointer)
Memory Direct
Immediate
a) the memory location reference by the B pointer is tested.
b) the memory location referenced by the address in the second byte
c) the accumulator is tested.
of the instruction is tested.
Address Mode
Instruction
Cycle
1
4
2
Bytes Hex Op Code
1
3
2
BD/MA/7#
60/2#
7#
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