mirror of
https://github.com/guilhermewerner/machine
synced 2025-06-16 13:14:18 +00:00
Simple 8 bits operations
This commit is contained in:
Werner
326
Source/Instructions.rs
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326
Source/Instructions.rs
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use crate::Machine;
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pub fn Nothing(vm: &mut Machine) -> bool {
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vm.program += 1;
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false
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}
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pub fn LoadRegister(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1];
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let a = vm.memory[vm.program + 2];
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vm.registers[r as usize] = vm.memory[a as usize];
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vm.program += 3;
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true
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}
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pub fn SaveRegister(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1];
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let a = vm.memory[vm.program + 2];
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vm.memory[a as usize] = vm.registers[r as usize];
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vm.program += 3;
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true
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}
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pub fn Move(vm: &mut Machine) -> bool {
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false
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}
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pub fn Add(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a + b;
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vm.program += 4;
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true
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}
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pub fn AddAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] += a;
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vm.program += 3;
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true
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}
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pub fn Subtract(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a - b;
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vm.program += 4;
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true
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}
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pub fn SubtractAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] -= a;
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vm.program += 3;
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true
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}
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pub fn Multiply(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a * b;
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vm.program += 4;
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true
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}
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pub fn MultiplyAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] *= a;
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vm.program += 3;
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true
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}
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pub fn Divide(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a / b;
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vm.program += 4;
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true
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}
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pub fn DivideAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] /= a;
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vm.program += 3;
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true
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}
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pub fn Remainder(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a % b;
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vm.program += 4;
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true
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}
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pub fn RemainderAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] %= a;
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vm.program += 3;
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true
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}
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pub fn Neg(vm: &mut Machine) -> bool {
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false
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}
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pub fn And(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a & b;
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vm.program += 4;
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true
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}
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pub fn AndAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] &= a;
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vm.program += 3;
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true
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}
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pub fn Or(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a | b;
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vm.program += 4;
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true
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}
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pub fn OrAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] |= a;
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vm.program += 3;
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true
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}
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pub fn Xor(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a ^ b;
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vm.program += 4;
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true
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}
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pub fn XorAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] ^= a;
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vm.program += 3;
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true
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}
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pub fn Not(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] = !a;
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vm.program += 3;
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true
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}
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pub fn ShiftLeft(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a << b;
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vm.program += 4;
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true
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}
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pub fn ShiftLeftAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] <<= a;
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vm.program += 3;
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true
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}
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pub fn ShiftRight(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = a >> b;
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vm.program += 4;
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true
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}
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pub fn ShiftRightAssign(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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vm.registers[r] >>= a;
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vm.program += 3;
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true
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}
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pub fn Equals(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = (a == b) as u8;
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vm.program += 4;
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true
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}
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pub fn NotEquals(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = (a != b) as u8;
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vm.program += 4;
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true
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}
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pub fn LessThan(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = (a < b) as u8;
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vm.program += 4;
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true
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}
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pub fn LessEquals(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = (a <= b) as u8;
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vm.program += 4;
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true
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}
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pub fn GreaterThan(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = (a > b) as u8;
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vm.program += 4;
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true
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}
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pub fn GreaterEquals(vm: &mut Machine) -> bool {
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let r = vm.memory[vm.program + 1] as usize;
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let a = vm.registers[vm.memory[vm.program + 2] as usize];
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let b = vm.registers[vm.memory[vm.program + 3] as usize];
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vm.registers[r] = (a >= b) as u8;
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vm.program += 4;
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true
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}
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pub fn Halt(vm: &mut Machine) -> bool {
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false
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}
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