SN8F27E64KB datasheet(21/192 Pages) SONIX

21 / 192 page

SN8F27E60 Series

8-Bit Flash Micro-Controller with Embedded ICE and ISP

SONiX TECHNOLOGY CO., LTD

Page 21

Version 1.4



Example: Modify above example by

“INC_YZ” macro.

B0MOV

Y, #TABLE1$M

; To set lookup table1’s middle address

B0MOV

Z, #TABLE1$L

; To set lookup table1’s low address.

MOVC

; To lookup data, R = 00H, ACC = 35H

INC_YZ

; Increment the index address for next address.

;

@@:

MOVC

; To lookup data, R = 51H, ACC = 05H.

…

;

TABLE1:

0035H

; To define a word (16 bits) data.

5105H

2012H

…

The other example of look-up table is to add Y or Z index register by accumulator. Please

be careful if “carry” happen.



Example: Increase Y and Z register by B0ADD/ADD instruction.

B0MOV

Y, #TABLE1$M

; To set lookup table’s middle address.

B0MOV

Z, #TABLE1$L

; To set lookup table’s low address.

B0MOV

A, BUF

; Z = Z + BUF.

B0ADD

Z, A

B0BTS1

; Check the carry flag.

JMP

GETDATA

; FC = 0

INCMS

; FC = 1. Y+1.

NOP

GETDATA:

;

MOVC

; To lookup data. If BUF = 0, data is 0x0035

; If BUF = 1, data is 0x5105

; If BUF = 2, data is 0x2012

…

TABLE1:

0035H

; To define a word (16 bits) data.

5105H

2012H

…

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