From 900e1d87c4d9bdbce8bfebdefd1d84ca531a85cb Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik.hautakoski@gmail.com>
Date: Sun, 28 Oct 2018 13:27:21 +0100
Subject: [PATCH] src/cpu.c: implement JR instruction

---
 src/cpu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cpu.c b/src/cpu.c
index 1f202d7..a78c94c 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -79,7 +79,8 @@ static void execute(struct instr *instr) {
 		cpu_set_pc(instr->j.addr);
 		break;
 	case OP_JR :
-		debug("jr\t#r%i(#%i)\n", instr->i.rs, instr->i.imm);
+		debug("jr\tr%i(#%i)\n", instr->i.rs, instr->i.imm);
+		cpu_set_pc(reg[instr->r.rs] + instr->i.imm);
 		break;
 	case OP_BEQ :
 		debug("beq\tr%i r%i #%i\n", instr->ri.rs, instr->ri.r0, instr->ri.offset);