NEC PD754244 Network Card User Manual


 
CHAPTER 11 INSTRUCTION SET
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User’s Manual U10676EJ3V0UM
(2) Opcode for bit manipulation addressing
*1 in the operand field indicates the following three types.
fmem.bit
pmem.@L
@H+mem.bit
The second byte *2 of the opcode corresponding to the above addressing is as follows.
*1 2nd Byte of Opcode Accessible Bit
fmem. bit 1 0 B1 B0 F3 F2 F1 F0 Bit of FB0H to FBFH that can be manipulated
11B1 B0 F3 F2 F1 F0 Bit of FF0H to FFFH that can be manipulated
pmem. @L 0100G3 G2 G1 G0 Bit of FC0H to FFFH that can be manipulated
@H+mem. bit 0 0 B1 B0 D3 D2 D1 D0 Bit of accessible memory bank that can be
manipulated
Bn: immediate data for bit
F
n: immediate data for fmem
(indicates lower 4 bits of address)
Gn: immediate data for pmem
(indicates bits 5-2 of address)
D
n: immediate data for mem
(indicates lower 4 bits of address)