From e1e31119762514e696ade685ce5cef048ba41dbe Mon Sep 17 00:00:00 2001
From: Max Regan <mgregan2@gmail.com>
Date: Sun, 22 Jul 2018 16:15:52 -0700
Subject: [PATCH] cpu: add more asserts for unimplemented ops

Since the bootrom is now executing successfully, these will be more
necessary for identifying when new instructions are used.
---
 src/gbemu/cpu.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/gbemu/cpu.c b/src/gbemu/cpu.c
index 8943e77..3f76b86 100644
--- a/src/gbemu/cpu.c
+++ b/src/gbemu/cpu.c
@@ -967,6 +967,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 		POP_16(cpu, cpu->bc);
 		break;
 	case 0xc2:
+		ASSERT(0);
 	case 0xc3: /* JP a16 */
 		val_16 = gb_mem_read(cpu->memory, cpu->pc++);
 		val_16 |= ((uint16_t) gb_mem_read(cpu->memory, cpu->pc++) << 8);
@@ -983,6 +984,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 		PUSH_16(cpu, cpu->bc);
 		break;
 	case 0xc6:
+		ASSERT(0);
 	case 0xc7: /* RST 00 */
 		RST(cpu, 0);
 		break;
@@ -1342,6 +1344,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 		CALL(cpu);
 		break;
 	case 0xce:
+		ASSERT(0);
 	case 0xcf: /* RST 08 */
 		RST(cpu, 0x08);
 		break;
@@ -1376,6 +1379,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 		PUSH_16(cpu, cpu->de);
 		break;
 	case 0xd6:
+		ASSERT(0);
 	case 0xd7: /* RST 0x10 */
 		RST(cpu, 0x10);
 		break;
@@ -1389,6 +1393,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 		cpu->int_state = LR35902_INT_ON;
 		break;
 	case 0xda:
+		ASSERT(0);
 	case 0xdb: /* UNDEF */
 		break;
 	case 0xdc: /* CALL C */
@@ -1401,6 +1406,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 	case 0xdd: /* UNDEF */
 		break;
 	case 0xde:
+		ASSERT(0);
 	case 0xdf: /* RST 0x18 */
 		RST(cpu, 0x18);
 		break;
@@ -1426,6 +1432,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 		break;
 	case 0xe8:
 	case 0xe9:
+		ASSERT(0);
 	case 0xea: /* LD (a16), A */
 		val_16 = gb_mem_read(cpu->memory, cpu->pc++);
 		val_16 |= gb_mem_read(cpu->memory, cpu->pc++) << 8;
@@ -1438,6 +1445,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 	case 0xed: /* UNDEF */
 		break;
 	case 0xee:
+			ASSERT(0);
 	case 0xef: /* RST 0x28 */
 		RST(cpu, 0x28);
 		break;
@@ -1455,6 +1463,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 		break;
 	case 0xf2:
 	case 0xf3:
+			ASSERT(0);
 	case 0xf4: /* UNDEF */
 		break;
 	case 0xf5: /* PUSH AF */
@@ -1468,6 +1477,7 @@ int lr35902_cycle(struct lr35902_state *cpu)
 	case 0xf9:
 	case 0xfa:
 	case 0xfb:
+		ASSERT(0);
 	case 0xfc: /* UNDEF */
 		break;
 	case 0xfd: /* UNDEF */