UPD75518 NEC, UPD75518 Datasheet - Page 157

• Manufacturer Part Number: UPD75518
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

(2) Bit manipulation addressing instruction codes
pmem.@L, and @H+mem.bit.
The table below lists the second byte *2 of an instruction code corresponding to the above addressing.
B
F
G
D
*1 in the operand field indicates that there are three types of bit manipulation addressing, fmem.bit,
n
n
n
n
: Immediate data for bit
: Immediate data for fmem (Low-order four bits of address)
: Immediate data for pmem (Bits 2 to 5 of address)
: Immediate data for mem (Low-order four bits of address)
fmem.bit
pmem.@L
@H+mem.bit
*1
1
1
0
0
Second byte of instruction code
0
1
1
0
B
B
B
0
1
1
1
B
B
B
0
0
0
0
G
F
F
D
3
3
3
3
G
F
F
D
2
2
2
2
G
F
F
D
1
1
1
1
G
F
F
D
0
0
0
0
FB0H - FBFH manipulatable bits
FF0H - FFFH manipulatable bits
FC0H-FFFH manipulatable bits
Manipulatable bits of accessible
memory bank
Accessible bits
PD75518(A)
157