Labels:book | box | bulletin board | reckoner | shelf | sky | slide projector OCR: Memory Cs 2000 21000 nop 21001 imp short 1003 21002 1003 dou 21004 nup 21005 nop Add 1003 and Memory 2000 21081 nop 21082 nop 1082 21083 nop 21084 nop 2108 F nop 21086 nop FIGURE 12.3 Relative branches within the range of 128 to +127 hytes of the current instruction pointer setting can be specified with byte rather than word, saving code space. A) relative branch Jo 7Fh (+127) bytes per formed with a -byte displacement. (B The completion of the branch. How relative branch of +128 bytes is performed with .bytc displacement 2.byte rather than byte displac rement is necessary because branch of 128 bytes outside the range of 128 tc -12 that can be specified with single signed byte. D The completion of the branch. Why relative branch + 128 bytes can't be performed with a 1-bytc displacement. by ...
(.png)
