MB90610A Series
Table 2 Explanation of Symbols in Tables of Instructions
Meaning
Symbol
A
32-bit accumulator
The bit length varies according to the instruction.
Byte : Lower 8 bits of AL
Word : 16 bits of AL
Long : 32 bits of AL:AH
AH
AL
Upper 16 bits of A
Lower 16 bits of A
SP
PC
Stack pointer (USP or SSP)
Program counter
PCB
DTB
ADB
SSB
USB
SPB
DPR
brg1
brg2
Ri
Program bank register
Data bank register
Additional data bank register
System stack bank register
User stack bank register
Current stack bank register (SSB or USB)
Direct page register
DTB, ADB, SSB, USB, DPR, PCB, SPB
DTB, ADB, SSB, USB, DPR, SPB
R0, R1, R2, R3, R4, R5, R6, R7
RW0, RW1, RW2, RW3, RW4, RW5, RW6, RW7
RW0, RW1, RW2, RW3
RWi
RWj
RLi
RL0, RL1, RL2, RL3
dir
Compact direct addressing
addr16
addr24
ad24 0 to 15
ad24 16 to 23
Direct addressing
Physical direct addressing
Bit 0 to bit 15 of addr24
Bit 16 to bit 23 of addr24
io
I/O area (000000H to 0000FFH)
imm4
imm8
4-bit immediate data
8-bit immediate data
imm16
imm32
ext (imm8)
16-bit immediate data
32-bit immediate data
16-bit data signed and extended from 8-bit immediate data
disp8
disp16
8-bit displacement
16-bit displacement
bp
Bit offset
vct4
vct8
Vector number (0 to 15)
Vector number (0 to 255)
( )b
Bit address
(Continued)
73
FUJITSU [ FUJITSU ]
