COP8AME9_14 Datasheet, PDF (89/102 Pages) Texas Instruments – COP8AME9 8-Bit CMOS Flash Microcontroller with 8k Memory, Dual Op Amps, Virtual EEPROM, Temperature Sensor, 10-Bit A/D and Brownout Reset

COP8AME9, COP8ANE9
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If Not Equal (IFNE)
If Greater Than (IFGT)
If Carry (IFC)
If Not Carry (IFNC)
If Bit (IFBIT)
If B Pointer Not Equal (IFBNE)
And Skip if Zero (ANDSZ)
Decrement Register and Skip if Zero (DRSZ)
SNOS930F – MARCH 2001 – REVISED MARCH 2013
No-Operation Instruction
The no-operation instruction does nothing, except to occupy space in the program memory and time in
execution.
No-Operation (NOP)
Note: The VIS is a special case of the Indirect Transfer of Control addressing mode, where the double byte
vector associated with the interrupt is transferred from adjacent addresses in the program memory into the
program counter (PC) in order to jump to the associated interrupt service routine.
REGISTER AND SYMBOL DEFINITION
The following abbreviations represent the nomenclature used in the instruction description and the COP8 cross-
assembler.
Registers
A
8-Bit Accumulator Register
B
8-Bit Address Register
X
8-Bit Address Register
S
8-Bit Segment Register
SP
8-Bit Stack Pointer Register
PC
15-Bit Program Counter Register
PU
Upper 7 Bits of PC
PL
Lower 8 Bits of PC
C
1 Bit of PSW Register for Carry
HC
1 Bit of PSW Register for Half Carry
GIE
1 Bit of PSW Register for Global Interrupt Enable
VU
Interrupt Vector Upper Byte
VL
Interrupt Vector Lower Byte
[B]
[X]
MD
Mem
Meml
Imm
Reg
Bit
←
↔
Symbols
Memory Indirectly Addressed by B Register
Memory Indirectly Addressed by X Register
Direct Addressed Memory
Direct Addressed Memory or [B]
Direct Addressed Memory or [B] or Immediate Data
8-Bit Immediate Data
Register Memory: Addresses F0 to FF (Includes B, X and SP)
Bit Number (0 to 7)
Loaded with
Exchanged with
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