Difference between revisions of "RealQ16s:Provisional instruction listing/Opcode table/2 byte instructions/Prefix 1111 1111"
From Maths
(Created page with "{| class="wikitable" border="1"! colspan="8" | Range |- ! colspan="8" | Range ! Operation ! colspan="8" | bits ! Distinct<br/>opcodes ! Comment ! Caveats |- | colspan="4" | 0...") |
(Added very rare instructions prefix.) |
||
Line 10: | Line 10: | ||
| colspan="4" | 0000 | | colspan="4" | 0000 | ||
| colspan="4" | 0000 | | colspan="4" | 0000 | ||
+ | | | ||
+ | |- | ||
+ | | colspan="4" | 1111 | ||
+ | | colspan="4" | 1111 | ||
+ | | (four bytes prefix) | ||
+ | | colspan="4" | 1111 | ||
+ | | colspan="4" | 1111 | ||
+ | | style="text-align:right" | x256 (x1) | ||
+ | | '''''16 bit'' instruction''' <code>1111 1111 1111 1111 vvvv vvvv</code> - very rare instruction that have four bytes have this as their first and second bytes. | ||
|- | |- | ||
|} | |} |
Latest revision as of 23:18, 12 February 2016
Range | Operation | bits | Distinct opcodes |
Comment | Caveats | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0000 | 0000 | ||||||||||||||||||
1111 | 1111 | (four bytes prefix) | 1111 | 1111 | x256 (x1) | 16 bit instruction 1111 1111 1111 1111 vvvv vvvv - very rare instruction that have four bytes have this as their first and second bytes.
|