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| author | Benoit Giannangeli <benoit.giannangeli@boursorama.fr> | 2017-02-03 08:18:06 +0100 |
|---|---|---|
| committer | Benoit Giannangeli <benoit.giannangeli@boursorama.fr> | 2017-02-03 09:03:15 +0100 |
| commit | 9fbe044cbff12b635e535a36abcf2fb2a03dee11 (patch) | |
| tree | f78e41199c8b40d50e39e4028de951be1e71c040 /src/lopcodes.js | |
| parent | 7b844c5caf81ac843a210477ef47fd16e8af2f2c (diff) | |
| download | fengari-9fbe044cbff12b635e535a36abcf2fb2a03dee11.tar.gz fengari-9fbe044cbff12b635e535a36abcf2fb2a03dee11.tar.bz2 fengari-9fbe044cbff12b635e535a36abcf2fb2a03dee11.zip | |
Dispatch loop
Diffstat (limited to 'src/lopcodes.js')
| -rw-r--r-- | src/lopcodes.js | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/lopcodes.js b/src/lopcodes.js index b7dfb0f..8df67a3 100644 --- a/src/lopcodes.js +++ b/src/lopcodes.js @@ -86,6 +86,16 @@ const MAXARG_A = ((1 << SIZE_A) - 1); const MAXARG_B = ((1 << SIZE_B) - 1); const MAXARG_C = ((1 << SIZE_C) - 1); +const BITRK = (1 << (SIZE_B - 1)); + +const ISK = function (x) { + return x & BITRK; +}; + +const INDEXK = function (r) { + return r & ~BITRK; +} + module.exports = { OpCodes: OpCodes, SIZE_C: SIZE_C, @@ -105,5 +115,8 @@ module.exports = { MAXARG_Ax: MAXARG_Ax, MAXARG_A: MAXARG_A, MAXARG_B: MAXARG_B, - MAXARG_C: MAXARG_C + MAXARG_C: MAXARG_C, + BITRK: BITRK, + ISK: ISK, + INDEXK: INDEXK };
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