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SH7065 数据表(PDF) 73 Page - Renesas Technology Corp

部件名 SH7065
功能描述  Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series
PDF  941 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

SH7065 数据表(HTML) 73 Page - Renesas Technology Corp

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Section 2 CPU
Rev. 5.00 Sep 11, 2006 page 51 of 916
REJ09B0332-0500
MOV.L ModAddr,Rn; Rn=ModEnd, ModStart
LDC Rn,MOD;
ME=ModEnd, MS=ModStart
ModAddr:
.DATA.W
mEnd;
ModEnd
.DATA.W
mStart;
ModStart
ModStart:
.DATA
:
ModEnd:
.DATA
The start and end addresses are specified in MS and ME, then the DMX or DMY bit is set to 1.
The address register contents are compared with ME, and if they match, start address MS is stored
in the address register. The lower 16 bits of the address register are compared with ME.
The maximum modulo size is 64 kbytes. This is sufficient to access the X and Y memory. A block
diagram of modulo addressing is shown in figure 2.11.
Instruction (MOVX/MOVY)
DMX
CONT
MS
CMP
ME
ALU
AU
ABx
ABy
R4[Ax]
R6[Ay]
R5[Ax]
R7[Ay]
R8[Ix]
R9[Iy]
DMY
31
0
0
0
0
1
1
16
16
15
15
15
31
31
31
+2
+0
+2
+0
15
15
1
1
XAB
YAB
15
Figure 2.11 Modulo Addressing



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