3.1.2汇编语言指令举例：LD命令 6: 指令代码 15 141312 1110 9 8 7 6 5 43 21 0 1 1 0 1 0 0 D K K K K K 7: 15 1413 12 11 10 9 8 7 6 5 4 3 2 1 0 1 1 1 1 0 0 0 D 0 0 1 0 S H F T 16-bit constant 8: 15 141312 11 10 9 8 7 6 5 4 3 2 1 0 1 1 1 1 0 0 0 D 0 1 1 0 0 0 0 16-bit constant 9: 15 1413 12 11 10 9 8 7 6 5 4 3 2 1 0 1 1 1 1 0 1S D 10 0 0 0 0 1 0 10: 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 1 1 1 0 1 s D 0 1 0 s H F 183.1.2 汇编语言指令举例： LD命令 18 指令代码