COPC912C Datasheet, PDF (13/24 Pages) National Semiconductor (TI) – COP912C/COP912CH 8-Bit Microcontroller

Instruction Set
REGISTER AND SYMBOL DEFINITIONS
Registers
A
8-Bit Accumulator Register
B
8-Bit Address Register
X
8-Bit Address Register
SP
8-Bit Stack Pointer Register
S
8-Bit Data Segment Address 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
Symbols
B
X
MD
Mem
MemI
Imm
Reg
Bit
w
Memory Indirectly Addressed by B Register
Memory Indirectly Addressed by X Register
Direct Addressed Memory
Direct Addressed Memory or B
Direct Addressed Memory 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
13
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