diff options
Diffstat (limited to 'include/opcode/m68k.h')
| -rw-r--r-- | include/opcode/m68k.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/include/opcode/m68k.h b/include/opcode/m68k.h index 60bfb3a1b28..2dd6d3feda0 100644 --- a/include/opcode/m68k.h +++ b/include/opcode/m68k.h @@ -96,10 +96,15 @@ struct m68k_opcode_alias The args field is a string containing two characters for each operand of the instruction. The first specifies the kind of - operand; the second, the place it is stored. */ + operand; the second, the place it is stored. + + If the first char of args is '.', it indicates that the opcode is + two words. This is only necessary when the match field does not + have any bits set in the second opcode word. Such a '.' is skipped + for operand processing. */ /* Kinds of operands: - Characters used: AaBbCcDdEeFfGgHIiJkLlMmnOopQqRrSsTtU VvWwXxYyZz01234|*~%;@!&$?/<>#^+- + Characters used: AaBbCcDdEeFfGgHIiJjKkLlMmnOopQqRrSsTtUuVvWwXxYyZz01234|*~%;@!&$?/<>#^+- D data register only. Stored as 3 bits. A address register only. Stored as 3 bits. @@ -234,6 +239,8 @@ struct m68k_opcode_alias y (modes 2,5) z (modes 2,5,7.2) x mov3q immediate operand. + j coprocessor ET operand. + K coprocessor command number. 4 (modes 2,3,4,5) */ @@ -301,6 +308,7 @@ struct m68k_opcode_alias 7 second word, shifted 7 8 second word, shifted 10 9 second word, shifted 5 + E second word, shifted 9 D store in both place 1 and place 3; for divul and divsl. B first word, low byte, for branch displacements W second word (entire), for branch displacements |