From fb1deb05d5a35ca66203cd1d40bf386e6d38cfc2 Mon Sep 17 00:00:00 2001
From: Max Regan <mgregan2@gmail.com>
Date: Sun, 17 Jun 2018 10:51:25 -0700
Subject: [PATCH] cpu: correct opcode 0x22 to be "LD (HL+), A"

---
 src/gbemu/cpu.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/gbemu/cpu.c b/src/gbemu/cpu.c
index d097d80..3dd9671 100644
--- a/src/gbemu/cpu.c
+++ b/src/gbemu/cpu.c
@@ -454,9 +454,8 @@ void lr35902_cycle(struct lr35902_state *cpu)
 	case 0x21: /* LD HL, d16 */
 		LD_D16(cpu, cpu->hl);
 		break;
-	case 0x22: /* LD (HL-), A */
-		cpu->a = cpu->mem_read(cpu, cpu->hl);
-		cpu->hl--;
+	case 0x22: /* LD (HL+), A */
+		cpu->a = cpu->mem_read(cpu, cpu->hl++);
 		break;
 	case 0x23: /* INC HL */
 		cpu->hl++;