UPD75P3036 datasheet(21/64 Pages) NEC

21 / 64 page

µPD75P3036

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. Codes that consist of uppercase letters and + or

– symbols are key words that should be entered as they are.

For immediate data, enter an appropriate numerical value or label.

Enter register flag symbols as label descriptors instead of mem, fmem, pmem, bit, etc. (for further description, see the

User’s Manual). The number of 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

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

4-bit immediate data or label

8-bit immediate data or label

mem

8-bit immediate data or labelNote

bit

2-bit immediate data or label

fmem

FB0H-FBFH, FF0H-FFFH immediate data or label

pmem

FC0H-FFFH immediate data or label

addr

0000H-3FFFH immediate data or label

addr1

0000H-3FFFH immediate data or label

caddr

12-bit immediate data or label

faddr

11-bit immediate data or label

taddr

20H-7FH immediate data (however, bit0 = 0) or label

PORTn

PORT0-PORT8

IEXXX

IEBT, IECSI, IET0-IET2, IE0-IE2, IE4, IEW

RBn

RB0-RB3

MBn

MB0-MB2, MB15

Note

When processing 8-bit data, only even-numbered addresses can be entered.

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