88 lines
1.9 KiB
Bash
88 lines
1.9 KiB
Bash
#!/usr/bin/env bash
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adv () { # OPCODE 0
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$DEBUG && printf "OPCODE : 0 OP: adv OPERAND: %s\n" "$1" >&2
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OPERAND=$( get_combo "$1" )
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REG_A=$(( REG_A / (2 ** OPERAND) ))
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}
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bxl () { # OPCODE 1
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$DEBUG && printf "OPCODE : 1 OP: bxl OPERAND: %s\n" "$1" >&2
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OPERAND=$1
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REG_B=$(( REG_B ^ OPERAND ))
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}
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bst () { # OPCODE 2
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$DEBUG && printf "OPCODE : 2 OP: bst OPERAND: %s\n" "$1" >&2
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OPERAND=$( get_combo "$1" )
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REG_B=$(( OPERAND % 8 ))
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}
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jnz () { # OPCODE 3
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$DEBUG && printf "OPCODE : 3 OP: jnz OPERAND: %s\n" "$1" >&2
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OPERAND=$1
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if [[ $REG_A -eq 0 ]]
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then
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return 0
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else
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POINTER=$OPERAND
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fi
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}
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bxc () { # OPCODE 4
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$DEBUG && printf "OPCODE : 4 OP: bxc OPERAND: %s\n" "$1" >&2
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# OPERAND=$1 # Deprecated for legacy reasons
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REG_B=$(( REG_B ^ REG_C ))
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}
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out () { # OPCODE 5
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$DEBUG && printf "OPCODE : 5 OP: out OPERAND: %s\n" "$1" >&2
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OPERAND=$( get_combo "$1" )
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printf "%s\n" "$(( OPERAND % 8 ))"
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}
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bdv () { # OPCODE 6
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$DEBUG && printf "OPCODE : 6 OP: bdv OPERAND: %s\n" "$1" >&2
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OPERAND=$( get_combo "$1" )
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REG_B=$(( REG_A / (2 ** OPERAND) ))
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}
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cdv () { # OPCODE 7
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$DEBUG && printf "OPCODE : 7 OP: cdv OPERAND: %s\n" "$1" >&2
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OPERAND=$( get_combo "$1" )
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REG_C=$(( REG_A / (2 ** OPERAND) ))
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}
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get_combo () {
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# Interpret operand value
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if [[ $OPERAND -eq 0 ]]
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then
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printf "$1"
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elif [[ $OPERAND -eq 1 ]]
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then
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printf "$1"
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elif [[ $OPERAND -eq 2 ]]
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then
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printf "$1"
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elif [[ $OPERAND -eq 3 ]]
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then
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printf "$1"
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elif [[ $OPERAND -eq 4 ]]
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then
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printf "%s" "$REG_A"
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elif [[ $OPERAND -eq 5 ]]
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then
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printf "%s" "$REG_B"
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elif [[ $OPERAND -eq 6 ]]
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then
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printf "%s" "$REG_C"
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elif [[ $OPERAND -eq 7 ]]
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then
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printf "Reserved operand. Exiting.\n" >&2
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exit 1
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fi
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}
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check_quine () {
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for (( i=0; i<INPUT_LEN; i++ ))
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do
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if [[ ${INPUT[$i]} != "${OUTPUT[$i]}" ]]
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then
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return 1
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fi
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done
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}
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