Implement ANDI and BEQ

src/instructions.rs

@@ -21,6 +21,7 @@ pub(crate) fn find_and_exec(instr: Instruction, core: &mut Core) -> Option<Instr
                 0b000000 => Some(rvi::slli(core, instr)),
                 _ => None,
             },
+            0b111 => Some(rvi::andi(core, instr)),
             _ => None,
         },
         0b00110 => match instr.funct3() {
@@ -40,6 +41,11 @@ pub(crate) fn find_and_exec(instr: Instruction, core: &mut Core) -> Option<Instr
             0b100 => Some(rvi::lbu(core, instr)),
             _ => None,
         },
+        0b11000 => match instr.funct3() {
+            // BRANCH
+            0b000 => Some(rvi::beq(core, instr)),
+            _ => None,
+        },
         0b01101 => Some(rvi::lui(core, instr)),
         0b11011 => Some(rvi::jal(core, instr)),
         _ => None,