chore: format
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60ad020d14
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@ -4,6 +4,7 @@
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use crate::vm::VM;
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#[derive(Debug)]
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enum OpCode {
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// branch
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BR = 0,
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@ -44,23 +45,23 @@ enum OpCode {
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fn get_opcode(instruction: u16) -> OpCode {
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// the opcode is stored in the left 4 bits
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match instruction >> 12 {
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0 => OpCode::BR,
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1 => OpCode::ADD,
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2 => OpCode::LD,
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3 => OpCode::ST,
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4 => OpCode::JSR,
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5 => OpCode::AND,
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6 => OpCode::LDR,
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7 => OpCode::STR,
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8 => OpCode::RTI,
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9 => OpCode::NOT,
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0 => OpCode::BR,
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1 => OpCode::ADD,
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2 => OpCode::LD,
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3 => OpCode::ST,
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4 => OpCode::JSR,
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5 => OpCode::AND,
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6 => OpCode::LDR,
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7 => OpCode::STR,
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8 => OpCode::RTI,
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9 => OpCode::NOT,
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10 => OpCode::LDI,
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11 => OpCode::STI,
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12 => OpCode::JMP,
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13 => OpCode::RES,
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14 => OpCode::LEA,
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15 => OpCode::TRAP,
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_ => OpCode::NOOP,
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_ => OpCode::NOOP,
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}
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}
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@ -69,21 +70,21 @@ pub fn execute_instruction(vm: &mut VM) {
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let opcode = get_opcode(instruction);
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match opcode {
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OpCode::BR => no_op(vm),
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OpCode::ADD => no_op(vm),
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OpCode::LD => no_op(vm),
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OpCode::ST => no_op(vm),
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OpCode::JSR => no_op(vm),
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OpCode::AND => no_op(vm),
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OpCode::LDR => no_op(vm),
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OpCode::STR => no_op(vm),
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OpCode::RTI => no_op(vm),
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OpCode::NOT => no_op(vm),
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OpCode::LDI => no_op(vm),
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OpCode::STI => no_op(vm),
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OpCode::JMP => no_op(vm),
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OpCode::RES => no_op(vm),
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OpCode::LEA => no_op(vm),
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OpCode::BR => no_op(vm),
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OpCode::ADD => no_op(vm),
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OpCode::LD => no_op(vm),
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OpCode::ST => no_op(vm),
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OpCode::JSR => no_op(vm),
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OpCode::AND => no_op(vm),
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OpCode::LDR => no_op(vm),
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OpCode::STR => no_op(vm),
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OpCode::RTI => no_op(vm),
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OpCode::NOT => no_op(vm),
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OpCode::LDI => no_op(vm),
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OpCode::STI => no_op(vm),
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OpCode::JMP => no_op(vm),
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OpCode::RES => no_op(vm),
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OpCode::LEA => no_op(vm),
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OpCode::TRAP => no_op(vm),
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OpCode::NOOP => no_op(vm),
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}
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