diff --git a/src/mame/drivers/pgm.c b/src/mame/drivers/pgm.c
index c6c3b1ba358..9e71af5bb7c 100644
--- a/src/mame/drivers/pgm.c
+++ b/src/mame/drivers/pgm.c
@@ -3688,7 +3688,7 @@ ROM_START( happy6 )
 //  ROM_LOAD( "happy6_igs027a.bin", 0x000000, 0x04000, NO_DUMP )
 	// for testing only, this is from the gladiator and wrong for this game.
 	ROM_LOAD( "happy6_igs027a_execute_only_area", 0x0000, 0x00188, NO_DUMP )
-	ROM_LOAD( "happy6_igs027a_v100_japan.bin", 0x0188, 0x3e78, BAD_DUMP CRC(d7f06e2d) SHA1(9c3aca7a487f5329d84731e2c63d5ed591bf9d24) )   // from 'thegladpcb set'
+	ROM_LOAD( "happy6_igs027a_v100_china.bin", 0x0188, 0x3e78, CRC(ed530445) SHA1(05c92d649701be2541557b1334dd6c820ca1009e) )
 
 
 	ROM_REGION( 0x800000, "user1", 0 ) /* Protection Data (encrypted external ARM data) */
@@ -4181,6 +4181,8 @@ GAME( 2003, thegladpcb,   theglad,   pgm_arm_type3,     pgm,    pgm_arm_type3_st
 
 GAME( 2005, svgpcb,       svg,       pgm_arm_type3,     svg, pgm_arm_type3_state,    svgpcb,     ROT0,   "IGS / Idea Factory", "S.V.G. - Spectral vs Generation (M68k label V100JP) (ARM label V100JP ROM 05/12/05  S.V.G V100) (Japan, JAMMA PCB)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )// ARM time: 15:31:35 // PCB version only released in Japan?
 
+GAME( 2004, happy6,       pgm,       pgm_arm_type3,     happy6, pgm_arm_type3_state,    happy6,     ROT0,   "IGS", "Happy 6-in-1 (ver. 101CN)", GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )
+
 /* -----------------------------------------------------------------------------------------------------------------------
    Partially Working, playable, but some imperfections
    -----------------------------------------------------------------------------------------------------------------------*/
@@ -4237,7 +4239,7 @@ GAME( 2004, kovlsjb,      kovshp,    pgm_arm_type1,     kovsh, pgm_arm_type1_sta
 GAME( 2004, kovlsjba,     kovshp,    pgm_arm_type1,     kovsh, pgm_arm_type1_state, kovlsqh2,   ROT0,   "bootleg", "Knights of Valour: Luan Shi Jie Ba / Sangoku Senki: Luan Shi Jie Ba (ver. 200CN, set 2)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE ) /* need internal rom of IGS027A */
 
 
-GAME( 2004, happy6,       pgm,       pgm_arm_type3,     happy6, pgm_arm_type3_state,    happy6,     ROT0,   "IGS", "Happy 6-in-1 (ver. 101CN)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE ) /* need internal rom of IGS027A */
+
 
 // this is kludged to boot but isn't really going to work properly without the real internal ROM
 GAME( 2005, svg,          pgm,       pgm_arm_type3,     pgm, pgm_arm_type3_state,    svg,        ROT0,   "IGS / Idea Factory", "S.V.G. - Spectral vs Generation (M68k label V200) (ARM label V200, ROM 10/11/05 S.V.G V201)", GAME_IMPERFECT_SOUND | GAME_UNEMULATED_PROTECTION | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE ) /* need internal rom of IGS027A */ // label was 200, but it's code rev 201? // ARM time: 10:07:20
diff --git a/src/mame/includes/pgm.h b/src/mame/includes/pgm.h
index 1ac2b4d2f86..5c88e73976c 100644
--- a/src/mame/includes/pgm.h
+++ b/src/mame/includes/pgm.h
@@ -353,6 +353,7 @@ public:
 	DECLARE_READ16_MEMBER( dmnfrnt_main_speedup_r );
 	DECLARE_READ32_MEMBER( killbldp_speedup_r );
 	DECLARE_READ32_MEMBER( theglad_speedup_r );
+	DECLARE_READ32_MEMBER( happy6_speedup_r );
 	DECLARE_READ32_MEMBER( svg_speedup_r );
 	DECLARE_MACHINE_RESET(pgm_arm_type3_reset);
 };
diff --git a/src/mame/machine/pgmprot_igs027a_type3.c b/src/mame/machine/pgmprot_igs027a_type3.c
index 167dc297be8..bfb8fd16625 100644
--- a/src/mame/machine/pgmprot_igs027a_type3.c
+++ b/src/mame/machine/pgmprot_igs027a_type3.c
@@ -161,7 +161,7 @@ MACHINE_RESET_MEMBER(pgm_arm_type3_state, pgm_arm_type3_reset)
 	if (!strcmp(machine().system().name, "theglad")) base = 0x3316;
 	if (!strcmp(machine().system().name, "theglad100")) base = 0x3316;
 	if (!strcmp(machine().system().name, "theglad101")) base = 0x3316;
-	if (!strcmp(machine().system().name, "happy6")) base = 0x3316;
+	if (!strcmp(machine().system().name, "happy6")) base = 0x3586;
 	if (!strcmp(machine().system().name, "svgpcb")) base = 0x3a8e;
 
 	if (base != -1)
@@ -255,6 +255,15 @@ READ32_MEMBER(pgm_arm_type3_state::theglad_speedup_r )
 	return m_arm_ram2[0x00c/4];
 }
 
+
+READ32_MEMBER(pgm_arm_type3_state::happy6_speedup_r )
+{
+	int pc = space.device().safe_pc();
+	if (pc == 0x0a08) space.device().execute().eat_cycles(500);
+	//else printf("theglad_speedup_r %08x\n", pc);
+	return m_arm_ram2[0x00c/4];
+}
+
 // installed over rom
 READ32_MEMBER(pgm_arm_type3_state::svg_speedup_r )
 {
@@ -832,7 +841,6 @@ DRIVER_INIT_MEMBER(pgm_arm_type3_state,happy6)
 	pgm_happy6_decrypt(machine());
 	svg_latch_init();
 	pgm_create_dummy_internal_arm_region_theglad(0);
-	pgm_patch_external_arm_rom_jumptable_theglada(0x5f1c0);
 
-	machine().device("prot")->memory().space(AS_PROGRAM).install_read_handler(0x1000000c, 0x1000000f, read32_delegate(FUNC(pgm_arm_type3_state::theglad_speedup_r),this));
+	machine().device("prot")->memory().space(AS_PROGRAM).install_read_handler(0x1000000c, 0x1000000f, read32_delegate(FUNC(pgm_arm_type3_state::happy6_speedup_r),this));
 }