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fix large asr

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Matthew Berry 2020-10-11 13:32:35 -07:00
parent 403bd71d7e
commit e8de35e27e
1 changed files with 1 additions and 1 deletions
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src/crab/cpu.cr
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@ -102,7 +102,7 @@ class CPU
def asr(word : Word, bits : Int, set_conditions : Bool) : Word
log "asr - word:#{hex_str word}, bits:#{bits}"
@cpsr.carry = bit?(word, bits - 1) if set_conditions
word // (2 ** bits)
word >> bits | (0xFFFFFFFF_u32 &* (word >> 31)) << (32 - bits)
end
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