29.8.4. IBM like

29.8.4. IBM like
	29.8. Různé úvahy na téma 12 bitových CPU

Architektura inspirovaná IBM.

 11  10   9   8   7   6   5   4   3   2   1   0
+---+---+---+---+---+---+---+---+---+---+---+---+
|        Op Code        |    R1     |    R2     |    RR
+---+---+---+---+---+---+---+---+---+---+---+---+


 11  10   9   8   7   6   5   4   3   2   1   0
+---+---+---+---+---+---+---+---+---+---+---+---+
|        Op Code        |    R1     |    X2     |
+---+---+---+---+---+---+---+---+---+---+---+---+    RX
|    B2     |                D2                 |
+---+---+---+---+---+---+---+---+---+---+---+---+


11  10  9  8  7  6  5  4  3  2  1  0
+--+--+--+--+--+--+--+--+--+--+--+--+
|     Op Code     |   R1   |   R2   |    RR
+--+--+--+--+--+--+--+--+--+--+--+--+


11  10  9  8  7  6  5  4  3  2  1  0
+--+--+--+--+--+--+--+--+--+--+--+--+   +--+--+--+--+--+--+--+--+--+--+--+--+
|     Op Code     |   R1   |   X2   |   |   B2   |            D2            |    RX
+--+--+--+--+--+--+--+--+--+--+--+--+   +--+--+--+--+--+--+--+--+--+--+--+--+


  5   4   3   2   1   0
+---+---+---+---+---+---+
|      O P C O D E      |    Implicit
+---+---+---+---+---+---+

  5   4   3   2   1   0
+---+---+---+---+---+---+    +---+---+---+---+---+---+
|      O P C O D E      |    |  R E G 1  |  R E G 2  |    RR
+---+---+---+---+---+---+    +---+---+---+---+---+---+


29.8.3. Architektura 12-ti bitová, bajtově orientovaná		29.8.5. RISC inspirovaná Load/Store architektura