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added J1 jumper/solderpad, used to call the monitor on dev system

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This commit is contained in:
Michaël Banaan Ananas 2014-04-04 20:18:46 +00:00
parent 180aa2e3d7
commit 0f5d74fa53
1 changed files with 22 additions and 10 deletions
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16
src/mess/drivers/ng_aes.c
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@ -141,6 +141,8 @@ public:
DECLARE_READ16_MEMBER(aes_in1_r); DECLARE_READ16_MEMBER(aes_in1_r);
DECLARE_READ16_MEMBER(aes_in2_r); DECLARE_READ16_MEMBER(aes_in2_r);
DECLARE_INPUT_CHANGED_MEMBER(aes_j1);
DECLARE_MACHINE_START(neocd); DECLARE_MACHINE_START(neocd);
DECLARE_MACHINE_START(neogeo); DECLARE_MACHINE_START(neogeo);
DECLARE_MACHINE_RESET(neogeo); DECLARE_MACHINE_RESET(neogeo);
@ -1334,16 +1336,26 @@ static INPUT_PORTS_START( aes )
PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_START ) PORT_PLAYER(2) PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_START ) PORT_PLAYER(2)
PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_SELECT ) PORT_PLAYER(2) PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_SELECT ) PORT_PLAYER(2)
PORT_BIT( 0x7000, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, neogeo_state, get_memcard_status, NULL) PORT_BIT( 0x7000, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, neogeo_state, get_memcard_status, NULL)
PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_SPECIAL ) /* Hardware type (AES=0, MVS=1) Some games check this and show */ PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_SPECIAL ) /* Hardware type (AES=0, MVS=1) Some games check this and show a piracy warning screen if the hardware and BIOS don't match */
/* a piracy warning screen if the hardware and BIOS don't match */
PORT_START("AUDIO") PORT_START("AUDIO")
PORT_BIT( 0x0007, IP_ACTIVE_HIGH, IPT_UNUSED ) /* AES has no coin slots, it's a console */ PORT_BIT( 0x0007, IP_ACTIVE_HIGH, IPT_UNUSED ) /* AES has no coin slots, it's a console */
PORT_BIT( 0x0018, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* what is this? Universe BIOS uses these bits to detect MVS or AES hardware */ PORT_BIT( 0x0018, IP_ACTIVE_HIGH, IPT_UNKNOWN ) /* what is this? Universe BIOS uses these bits to detect MVS or AES hardware */
PORT_BIT( 0x00e0, IP_ACTIVE_HIGH, IPT_UNUSED ) /* AES has no upd4990a */ PORT_BIT( 0x00e0, IP_ACTIVE_HIGH, IPT_UNUSED ) /* AES has no upd4990a */
PORT_BIT( 0xff00, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, neogeo_state, get_audio_result, NULL) PORT_BIT( 0xff00, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, neogeo_state, get_audio_result, NULL)
PORT_START("JP") // J1 and J2 are jumpers or solderpads depending on AES board revision, intended for use on the Development BIOS
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Short J1 (Debug Monitor)") PORT_CODE(KEYCODE_F1) PORT_CHANGED_MEMBER(DEVICE_SELF, ng_aes_state, aes_j1, 0)
// PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_OTHER ) // what is J2 for? somehow related to system reset, disable watchdog?
INPUT_PORTS_END INPUT_PORTS_END
INPUT_CHANGED_MEMBER(ng_aes_state::aes_j1)
{
// Shorting J1 causes a 68000 /BERR (Bus Error). On Dev Bios, this pops up the debug monitor
if (newval)
m_maincpu->set_input_line(M68K_LINE_BUSERROR, HOLD_LINE);
}
static INPUT_PORTS_START( neocd ) static INPUT_PORTS_START( neocd )
PORT_INCLUDE( aes ) PORT_INCLUDE( aes )