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Rename arithmetic 32-bit shift/rotate instructions

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Gabriel Tofvesson 2019-04-24 19:56:58 +02:00
parent 8e337fe933
commit a441e4bad2
1 changed files with 3 additions and 3 deletions
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6
microcompiler.kt
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@ -9,12 +9,12 @@ enum class ALU(val value: Int, val parameters: Int = 1) {
ORR(0b0111), // Bitwise OR with bus and AR
ADN(0b1000), // Add bus to AR without setting flags
LSL(0b1001, 0), // Logical shift left AR
BSL(0b1010, 0), // Shift contents of (AR and HR) left (32-bit shift)
ISL(0b1010, 0), // Shift contents of (AR and HR) left (32-bit shift)
ASR(0b1011, 0), // Arithmetic shift right
BSR(0b1100, 0), // Signed big shift right
ISR(0b1100, 0), // Signed big shift right
LSR(0b1101, 0), // Logical shift right AR
ROL(0b1110, 0), // Rotate AR left
BRL(0b1111, 0); // Rotate ARHR left (32-bit rotate)
IRL(0b1111, 0); // Rotate ARHR left (32-bit rotate)
companion object {
fun locate(value: Int) = values().first{ it.value == value }