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default Order dec
$include <prelude.sail>
enum word_width = BYTE | HALF | WORD | DOUBLE
val size_bits : word_width <-> bits(2)
mapping size_bits = {
BYTE <-> 0b00,
HALF <-> 0b01,
WORD <-> 0b10,
DOUBLE <-> 0b11
}
mapping size_bits2 : word_width <-> bits(2) = {
BYTE <-> 0b00,
HALF <-> 0b01,
WORD <-> 0b10,
DOUBLE <-> 0b11
}
mapping size_bits3 : word_width <-> bits(2) = {
BYTE <-> 0b00,
HALF <-> 0b01,
WORD <-> 0b10,
forwards DOUBLE => 0b11, // forwards is left-to-right
backwards 0b11 => DOUBLE, // backwards is right-to-left
}
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