參數(shù)資料
型號(hào): μPD75P70076
廠商: NEC Corp.
英文描述: 4 Bit Single Chip Microcontrollers(4位單片微控制器)
中文描述: 4位單片微控制器(4位單片微控制器)
文件頁數(shù): 18/62頁
文件大?。?/td> 290K
代理商: ΜPD75P70076
m
PD75P0076
18
7. INSTRUCTION SET
(1) Representation and coding formats for operands
In the instruction’s operand area, use the following coding format to describe operands corresponding to the instruction’s
operand representations (for further description, see the
RA75X Assembler Package User’s Manual–Language (EEU-
1363)
). When there are several codes, select and use just one. Uppercase letters, and + and – symbols are key words
that should be entered as they are.
For immediate data, enter an appropriate numerical value or label.
Instead of mem, fmem, pmem, bit, etc., a register flag symbol can be described as a label descriptor (for further description,
see the
m
PD750068 User’s Manual (U10670E)
). Labels that can be entered for fmem and pmem are restricted.
Representation
Coding format
reg
X, A, B, C, D, E, H, L
reg1
X, B, C, D, E, H, L
rp
XA, BC, DE, HL
rp1
BC, DE, HL
rp2
BC, DE
rp’
XA, BC, DE, HL, XA’, BC’, DE’, HL’
rp’1
BC, DE, HL, XA’, BC’, DE’, HL’
rpa
HL, HL+, HL–, DE, DL
rpa1
DE, DL
n4
4-bit immediate data or label
n8
8-bit immediate data or label
mem
8-bit immediate data or label
Note
bit
2-bit immediate data or label
fmem
FB0H to FBFH, FF0H to FFFH immediate data or label
pmem
FC0H to FFFH immediate data or label
addr
0000H to 3FFFH immediate data or label
addr1
000H to 3FFFH immediate data or label (in Mk II mode only)
caddr
12-bit immediate data or label
faddr
11-bit immediate data or label
taddr
20H to 7FH immediate data (however, bit0 = 0) or label
PORTn
PORT0 to PORT6, PORT11
IEXXX
IEBT, IECSI, IET0, IET1, IE0 to IE2, IE4, IEW
RBn
RB0 to RB3
MBn
MB0, MB1, MB15
Note
When processing 8-bit data, only even addresses can be specified.
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