# The OS/K Team licenses this file to you under the MIT license.
# See the LICENSE file in the project root for more information.

Instruction encoding:

15             0 15             0
xxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx
│││└───────────┘ │└───┘└───┘└───┘
│││   INSTR.     │ FT3  FT2  FT1
│││              │
LMC              R

M       No more words
C       COND suffix
L       LOCK suffix
R       REP suffix
FT1     First operand format
FT2     Second operand format

Values for COND:
00000       (none)
00001       .C .B
00010       .O
00011       .Z .E
00100       .S
00101       .P
00110       .BE
00111       .L
01000       .LE
01001       .AXZ
01010       .BXZ
01011       .CXZ
01100       .DXZ
Highest (6th) bit of COND indicates negation

Fx values:
00000       (none)
00001       reg
00010       imm64

xxx00       [imm64]
xxx01       [reg+reg]                   code(reg)|code(reg)
xxx10       [reg+reg+imm16]             code(reg)|code(reg)     imm16
xxx11       [reg+reg*imm16+imm16]       code(reg)|code(reg)     imm16    imm16

Where xxx is:
001          8-bit access
010          16-bit access
011          32-bit access
100          64-bit access