Fixed ARMRST behaviour

src/emu/sound/aica.c

@@ -731,6 +731,12 @@ static void AICA_UpdateReg(aica_state *AICA, address_space &space, int reg)
 		case 0x9:
 			aica_midi_in(AICA->device, space, 0, AICA->udata.data[0x8/2]&0xff, 0xffff);
 			break;
+
+		//case 0x0c:
+		//case 0x0d:
+		//	printf("%04x\n",AICA->udata.data[0xc/2]);
+		//	break;
+
 		case 0x12:
 		case 0x13:
 		case 0x14:
@@ -945,6 +951,7 @@ static void AICA_UpdateRegR(aica_state *AICA, address_space &space, int reg)
 		case 0x14:  // CA (slot address)
 		case 0x15:
 			{
+				//AICA->stream->update();
 				int slotnum = MSLC(AICA);
 				SLOT *slot=AICA->Slots+slotnum;
 				unsigned int CA = 0;
@@ -958,6 +965,8 @@ static void AICA_UpdateRegR(aica_state *AICA, address_space &space, int reg)
 					CA = (slot->cur_addr>>SHIFT)&AICA->RAM_MASK;
 				}
 
+				//printf("%08x %08x\n",CA,slot->cur_addr&AICA->RAM_MASK16);
+
 				AICA->udata.data[0x14/2] = CA;
 			}
 			break;

src/mame/includes/dc.h

@@ -36,6 +36,7 @@ class dc_state : public driver_device
 	UINT32 dc_sysctrl_regs[0x200/4];
 	UINT32 g1bus_regs[0x100/4]; // DC-only
 	UINT32 g2bus_regs[0x100/4];
+	UINT8 m_armrst;
 
 	struct {
 		UINT32 aica_addr;

src/mame/machine/dc.c

@@ -666,6 +666,7 @@ void dc_state::machine_start()
 void dc_state::machine_reset()
 {
 	/* halt the ARM7 */
+	m_armrst = 1;
 	m_soundcpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
 
 	memset(dc_sysctrl_regs, 0, sizeof(dc_sysctrl_regs));
@@ -677,6 +678,9 @@ READ32_MEMBER(dc_state::dc_aica_reg_r)
 {
 //  mame_printf_verbose("AICA REG: [%08x] read %" I64FMT "x, mask %" I64FMT "x\n", 0x700000+reg*4, (UINT64)offset, mem_mask);
 
+	if(offset == 0x2c00/4)
+		return m_armrst;
+
 	return aica_r(machine().device("aica"), space, offset*2, 0xffff);
 }
 
@@ -684,6 +688,10 @@ WRITE32_MEMBER(dc_state::dc_aica_reg_w)
 {
 	if (offset == (0x2c00/4))
 	{
+		if(ACCESSING_BITS_0_7)
+		{
+			m_armrst = data & 1;
+
 			if (data & 1)
 			{
 				/* halt the ARM7 */
@@ -695,6 +703,7 @@ WRITE32_MEMBER(dc_state::dc_aica_reg_w)
 				m_soundcpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
 			}
 		}
+	}
 
 	aica_w(machine().device("aica"), space, offset*2, data, 0xffff);
 

src/mess/drivers/dccons.c

@@ -157,9 +157,9 @@
 				ok
 		S_Clock (03xx)
 			50MSEC (0301)
-				NG
+				NG -> ~0xa58 in 0x702814, must be > 0x889 and < 0x8b0
 			25MSEC (0302)
-				NG
+				NG -> ~0x372 in 0x702814, must be > 0x443 and < 0x45a
 		Timer (04xx)
 			Timer A (0401)
 				NG