Labels:box | reckoner | shelf | sky OCR: DI 88 20-bit address Memory segment shifted DS 9800 left 4 bits 06866 05 three offset 99891 90 BX 1784 components 99892 1 0 9989 18 001 99894 95 99895 02 Displacement 0100 99896 57 DL 08 Memory DS 9800 99890 05 9989 90 BX 178 99892 1.0 99893 18 0012 6866 9.5 99895 02 99896 DI 88 Menory DS 9800 06866 OF 99891 90 BX 1/84 Z6866 10 6866 18 0012 99894 95 99895 02 99896 FIGURE 7.7 The operation of the instruction mov [bx di 100hl,dl. which uses base+ index- -displacement addressing The three offset componcnts BX. DI, and the displace menr ot 100h. are added together, and the resulting offset ic added to DS shifted left bits. The 20.bit result used to address the bytc of memory written t The completed operation, with the value in DL written to the addressed byte Note that displacements arc built ...
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