Microprocessors & Interfaces

Lecture 9: 8086 Instructions Set : Part-3

8086 Data Transfer Instructions, Flag Register Data transfer, LAHF : Load AH register from flags, • SAHF : Store AH register in flags, PUSHF : Push flags onto stack, POPF : Pops flags off stack, Control Flags, Directional Flag (D), (STD/CLD), Interrupt Flag (I), (STI/CLI), Trap Flag (T), Additional Data Transfer Instructions (X386 onwards), MOVSX ,  MOVZX ,  BSWAP,  STRING DATA TRANSFERS, MOVS, LODS, STOS, INS, and OUTS, DI and SI registers, MOVS/MOVSB/MOVSW/MOVSD, MOVS with a REP, COPY A BLOCK OF DATA FROM ONE MEMORY AREA TO ANOTHER MEMORY AREA-50 DATA, LODS/LODSB/LODSW, STOS /STOSB/STOSW.

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Sanjay Vidyadharan
Role : Professor
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