upd75212a Renesas Electronics Corporation., upd75212a Datasheet - Page 34

• Manufacturer Part Number: upd75212a
• Description: 4-bit Single-chip Microcomputer
• Manufacturer: Renesas Electronics Corporation.

34
9. INSTRUCTION SET
(1)
operand identifier of the instruction (For details, refer to RA75X Assembler Package User’s Manual Language
Volume (EEU-730)). If more than one description method is available, select one. Capital alphabetic letters, plus
and minus signs are keywords. Describe them as they are.
User’s Manual (IEM-988)). Available labels are limited for fmem and pmem.
Operand identifier and description
Enter an operand in the operand column of each instruction using the description method relating to the
In the case of immediate data, describe appropriate numerical values or labels.
Symbols can be described as labels in place of mem, fmem, pmem, bit, etc. (For details, refer to PD75216A
* For 8-bit data processing, only even addresses can be specified.
reg
reg 1
rp
rp1
rp2
rp’
rp’1
rpa
rpa1
n4
n8
mem
bit
fmem
pmem
addr
caddr
faddr
taddr
PORTn
IE
RBn
MBn
Identifier
X, A, B, C, D, E, H, L
X, B, C, D, E, H, L
XA, BC, DE, HL
BC, DE, HL
BC, DE
XA, BC, DE, HL, XA’, BC’, DE’, HL’
BC, DE, HL, XA’, BC’, DE’, HL’
HL, HL+, HL-, DE, DL
DE, DL
4-bit immediate data or label
8-bit immediate data or label
8-bit immediate data or label*
2-bit immediate data or label
FB0H to FBFH and FF0H to FFFH immediate data or labels
FC0H to FFFH immediate data or labels
0000H to 2F7FH immediate data or labels
12-bit immediate data or label
11-bit immediate data or label
20H to 7FH immediate data (bit0 = 0) or label
PORT0 to PORT6
IEBT, IESIO, IET0, IETPG, IE0, IE1, IEKS, IEW, IE4
RB0 to RB3
MB0, MB1, MB15
Description Method
PD75212A