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Sync'ed some of the constants used in the pdp10 and int36 modules

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Jeff 2017-03-05 10:19:04 -08:00 • committed by Jeff Parsons
commit 61e64bf3fc
4 changed files with 92 additions and 91 deletions
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17
modules/pdp10/lib/defines.js
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@ -101,20 +101,21 @@ var PDP10 = {
* automatic inlining will no longer occur.
*/
ADDR_INVALID: -1,
ADDR_LIMIT: Math.pow(2, 18),
ADDR_MASK: Math.pow(2, 18) - 1,
WORD_INVALID: -1,
INT_LIMIT: Math.pow(2, 35), // signed word (magnitude) limit
INT_MASK: Math.pow(2, 35) - 1, // signed word (magnitude) mask
WORD_LIMIT: Math.pow(2, 36), // unsigned word limit
WORD_MASK: Math.pow(2, 36) - 1, // unsigned word mask
HALF_SHIFT: Math.pow(2, 18), // unsigned half-word shift
HALF_MASK: Math.pow(2, 18) - 1, // unsigned half-word mask
ADDR_LIMIT: Math.pow(2, 18),
/*
* 18-bit and 36-bit largest positive (and smallest negative) values; however, since we store all
* values as unsigned quantities, these are the unsigned equivalents.
*/
WORD_INVALID: -1,
INT_MASK: Math.pow(2, 35) - 1, // 34,359,738,367 (377777 777777): signed word (magnitude) mask
INT_LIMIT: Math.pow(2, 35), // -34,359,738,368 (400000 000000): signed word (magnitude) limit
WORD_MASK: Math.pow(2, 36) - 1, // 68,719,476,735 (777777 777777): unsigned word mask
WORD_LIMIT: Math.pow(2, 36), // 68,719,476,735 (1 000000 000000): unsigned word limit
HALF_MASK: Math.pow(2, 18) - 1, // unsigned half-word mask
HALF_SHIFT: Math.pow(2, 18), // unsigned half-word shift
MAX_POS18: Math.pow(2, 17) - 1, // 131,071 (377777)
MIN_NEG18: Math.pow(2, 17), // -131,072 (400000)
MAX_POS36: Math.pow(2, 35) - 1, // 34,359,738,367 (377777 777777)