Cannabaceae

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Machine code
General concepts
Instructions

An opcode table (also called an opcode matrix) is a visual representation of all opcodes in an instruction set. It is arranged such that each axis of the table represents an upper or lower nibble, which combined form the full byte of the opcode. Additional opcode tables can exist for additional instructions created using an opcode prefix.

Table values

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The structure and arrangement of an opcode table appears as follows:

0 1 2 3 4 5 6 7 8 9 A B C D E F
0 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
1 10 11 12 13 14 15 16 17 18 19 1A 1B 5C 1D 1E 1F
2 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F
3 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F
4 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F
5 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F
6 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F
7 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F
8 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F
9 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F
A A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF
B B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF
C C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF
D D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF
E E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF
F F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF

Each cell from 00-FF contains information about the operation such as the equivalent assembly instruction corresponding to the opcode, parameters, and CPU cycle counts.

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source: https://en.wikipedia.org/wiki/Opcode_table

One thought on “Cannabaceae”

  1. Well, that’s interesting to know that Psilotum nudum are known as whisk ferns. Psilotum nudum is the commoner species of the two. While the P. flaccidum is a rare species and is found in the tropical islands. Both the species are usually epiphytic in habit and grow upon tree ferns. These species may also be terrestrial and grow in humus or in the crevices of the rocks.
    View the detailed Guide of Psilotum nudum: Detailed Study Of Psilotum Nudum (Whisk Fern), Classification, Anatomy, Reproduction

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