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7721 Datasheet(PDF) 460 Page - Renesas Technology Corp

Part # 7721
Description  16-BIT SINGLE-CHIP MICROCOMPUTER
PDF  577 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7721 Datasheet(HTML) 460 Page - Renesas Technology Corp

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APPLICATION
7721 Group User’s Manual
16–57
16.3 Comparison of sample program execution rate
SEP
M,X
LDA.B
A,#0
STA
A,DEST+64
STA
A,DEST+65
STA
A,DEST+66
LDX.B
#63
LDA
A,SOUR,X
TAY
AND.B
A,#00000011B
STA
A,DEST,X
TYA
AND.B
A,#00001100B
ORA
A,DEST+1,X
STA
A,DEST+1,X
TYA
AND.B
A,#00110000B
ORA
A,DEST+2,X
STA
A,DEST+2,X
TYA
AND.B
A,#11000000B
ORA
A,DEST+3,X
STA
A,DEST+3,X
DEX
BPL
ITALIC
ITALIC:
SEP
X
CLM
.DATA
16
.INDEX
8
LDY
#69
LDX
#69
ASL
SOUR,X
SEM
.DATA
8
ROL
SOUR+2,X
ROL
B
CLM
.DATA
16
ROR
A
DEX
DEX
DEX
BNE
LOOP1
STA
A,DEST,Y
SEM
.DATA
8
STA
B,DEST+2,Y
CLM
.DATA
16
DEY
DEY
DEY
BNE
LOOP0
LOOP0:
LOOP1:
Sample A
Sample B
V SOUR, DEST : Work area
(Direct page area : Access this area by using the following modes.)
•Direct addressing mode
•Direct Indexed X addressing mode
•Absolute Indexed Y addressing mode
Fig. 16.3.1 Sample program list



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