apple2gs: fixed issues with Jam Session and ACS Demo Disk #2 [R. Belm…

…ont]
superctr · Jul 4, 2018 · 3a48268 · 3a48268
1 parent 5725df5
commit 3a48268
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/mame/drivers/apple2gs.cpp b/src/mame/drivers/apple2gs.cpp
@@ -907,6 +907,9 @@ void apple2gs_state::adb_do_command()
 		case 0x13:  /* mystery command 0x13 */
 			break;
 
+		case 0x84:	// ACS demo disk #2 has a bug and writes this accidentally to $C026
+			break;
+
 		case 0xb0: case 0xb1: case 0xb2: case 0xb3:
 		case 0xb4: case 0xb5: case 0xb6: case 0xb7:
 		case 0xb8: case 0xb9: case 0xba: case 0xbb:
@@ -1033,6 +1036,9 @@ void apple2gs_state::adb_write_datareg(uint8_t data)
 					/* ignore for now */
 					break;
 
+				case 0x84:	// ACS demo disk #2 has a bug and writes this accidentally to $C026
+					break;
+
 				case 0xb0: case 0xb1: case 0xb2: case 0xb3:
 				case 0xb4: case 0xb5: case 0xb6: case 0xb7:
 				case 0xb8: case 0xb9: case 0xba: case 0xbb:
@@ -1041,6 +1047,9 @@ void apple2gs_state::adb_write_datareg(uint8_t data)
 					m_adb_command_length = 2;
 					break;
 
+				case 0xe2:	// Jam Session sends this when starting a song
+					break;
+
 				case 0xf2:
 					break;