diff options
Diffstat (limited to 'twasm/README.md')
| -rw-r--r-- | twasm/README.md | 60 |
1 files changed, 37 insertions, 23 deletions
diff --git a/twasm/README.md b/twasm/README.md index a0a1c39..6509be7 100644 --- a/twasm/README.md +++ b/twasm/README.md @@ -272,33 +272,47 @@ entries are as follows: +----------+---------------+----------------------------------+ 16 bytes -+----------------------------------------------+ -| 2 operand operators | -+----------------------------------------------+ -| 127 96 | -+----------------------------------------------+ -| reserved | -+-------------------+-------+-------+----------+ -| 95 80 | 79 76 | 75 72 | 71 64 | -+-------------------+-------+-------+----------+ -| reserved | op3&8 | op2&8 | reserved | -+-------------------+-------+-------+----------+ -| 63 48 | 47 40 | 39 32 | -+-------------------+---------------+----------+ -| reserved | opcode | opcode | -| | dst=r/m | dst=r/m | -| | src=imm8 | src=imm | -+---------+---------+---------------+----------+ -| 31 24 | 23 16 | 15 0 | -+---------+---------+--------------------------+ -| opcode | opcode | token ID | -| dst=r | dst=r/m | | -| src=r/m | src=r | | -+---------+---------+--------------------------+ ++-----------------------------------------------+ +| 2 operand operators | ++-----------------------------------------------+ +| 127 96 | ++-----------------------------------------------+ +| reserved | ++---------+----------+-------+-------+----------+ +| 95 88 | 87 80 | 79 76 | 75 72 | 71 64 | ++---------+----------+-------+-------+----------+ +| flags | reserved | op3&8 | op2&8 | reserved | ++---------+----------+-------+-------+----------+ +| 63 48 | 47 40 | 39 32 | ++--------------------+---------------+----------+ +| reserved | opcode | opcode | +| | dst=r/m | dst=r/m | +| | src=imm8 | src=imm | ++---------+----------+---------------+----------+ +| 31 24 | 23 16 | 15 0 | ++---------+----------+--------------------------+ +| opcode | opcode | token ID | +| dst=r | dst=r/m | | +| src=r/m | src=r | | ++---------+----------+--------------------------+ + +1 byte ++-----------------+ +| flags byte | ++----------+------+ +| 95 89 | 88 | ++----------+------+ +| reserved | 8bit | ++----------+------+ + +; flags key: +8bit ; tte has opcodes for r/m8 and r8 instead of r/m and r respectively ; key: r/m ; r/m 16/32/64 +r/m8 ; r/m 8 r ; r 16/32/64 +r8 ; r 8 imm ; imm 16/32 imm8 ; imm 8 rel ; rel 16/32 |