Read Modify Write Operations
Read-Modify-Write Examples
MOV
AL, @VarB
ADD
@VarA, AL
VarA += VarB
VarA += 100
VarA += 1
ADD
@VarA,#100
INC
@VarA
SETC INTM
MOV AL, @VarB
ADD AL, @VarA
MOV @VarA, AL
CLRC INTM
SETC INTM
MOV AL, @VarA
ADD AL, #100
MOV @VarA, AL
CLRC INTM
SETC INTM
MOV AL, @VarA
ADD AL, #1
MOV @VarA, AL
CLRC INTM
update with a mem
update with a constant
update by 1
Benefits of Read
Benefits of Read
-
-
Modify
Modify
-
-
Write Instructions
Write Instructions
C28x - Appendix C - Assembly Programming
C - 19
Summary of Contents for C28 Series
Page 64: ...Summary 3 16 C28x Peripheral Registers Header Files ...
Page 78: ...Interrupt Sources 4 14 C28x Reset and Interrupts ...
Page 218: ...Lab 9 DSP BIOS 9 22 C28x Using DSP BIOS ...
Page 244: ...Lab 10 Programming the Flash 10 26 C28x System Design ...
Page 273: ...Appendix A eZdsp F2812 C28x Appendix A eZdsp F2812 A 1 ...
Page 276: ...Appendix P2 Expansion Interface A 4 C28x Appendix A eZdsp F2812 ...
Page 277: ...Appendix P4 P8 P7 I O Interface C28x Appendix A eZdsp F2812 A 5 ...
Page 278: ...Appendix A 6 C28x Appendix A eZdsp F2812 ...
Page 279: ...Appendix P5 P9 Analog Interface C28x Appendix A eZdsp F2812 A 7 ...
Page 282: ...Appendix A 10 C28x Appendix A eZdsp F2812 TP1 TP2 Test Points ...