UPD78F9177 Datasheet, PDF (21/56 Pages) NEC – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD78F9177, 78F9177Y
6.1.2 Descriptions of the operation field
A:
A register; 8-bit accumulator
X:
X register
B:
B register
C:
C register
D:
D register
E:
E register
H:
H register
L:
L register
AX:
AX register pair; 16-bit accumulator
BC:
BC register pair
DE:
DE register pair
HL:
HL register pair
PC:
Program counter
SP:
Stack pointer
PSW: Program status word
CY:
Carry flag
AC:
Auxiliary carry flag
Z:
Zero flag
IE:
Interrupt request enable flag
NMIS: Non-maskable interrupt servicing flag
( ):
Memory contents indicated by address or register contents in parentheses
XH, XL: Higher 8 bits and lower 8 bits of 16-bit register
∧:
Logical product (AND)
∨:
Logical sum (OR)
∨:
Exclusive OR
: Inverted data
addr16: 16-bit immediate data or label
jdisp8: Signed 8-bit data (displacement value)
6.1.3 Description of the flag operation field
(Blank): Not affected
0:
Cleared to 0
1:
Set to 1
×:
Set/cleared according to the result
R:
Previously saved value is restored
Data Sheet U14022EJ1V0DS00
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