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Fixed the duart ip pins so they don't accidentally clear each other's state on device_write_line; this fixes the Canon Cat printing in MESS. [Lord Nightmare]

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This commit is contained in:
Jonathan Gevaryahu 2014-03-10 12:08:45 +00:00
parent eaa9538d9f
commit 8042e28af9
1 changed files with 6 additions and 6 deletions
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12
src/emu/machine/n68681.c
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@ -456,7 +456,7 @@ WRITE8_MEMBER( duartn68681_device::write )
WRITE_LINE_MEMBER( duartn68681_device::ip0_w )
{
UINT8 newIP = (IP_last_state & ~0x01) | (state == ASSERT_LINE) ? 1 : 0;
UINT8 newIP = (IP_last_state & ~0x01) | ((state == ASSERT_LINE) ? 1 : 0);
if (newIP != IP_last_state)
{
@ -476,7 +476,7 @@ WRITE_LINE_MEMBER( duartn68681_device::ip0_w )
WRITE_LINE_MEMBER( duartn68681_device::ip1_w )
{
UINT8 newIP = (IP_last_state & ~0x02) | (state == ASSERT_LINE) ? 2 : 0;
UINT8 newIP = (IP_last_state & ~0x02) | ((state == ASSERT_LINE) ? 2 : 0);
if (newIP != IP_last_state)
{
@ -496,7 +496,7 @@ WRITE_LINE_MEMBER( duartn68681_device::ip1_w )
WRITE_LINE_MEMBER( duartn68681_device::ip2_w )
{
UINT8 newIP = (IP_last_state & ~0x04) | (state == ASSERT_LINE) ? 4 : 0;
UINT8 newIP = (IP_last_state & ~0x04) | ((state == ASSERT_LINE) ? 4 : 0);
if (newIP != IP_last_state)
{
@ -516,7 +516,7 @@ WRITE_LINE_MEMBER( duartn68681_device::ip2_w )
WRITE_LINE_MEMBER( duartn68681_device::ip3_w )
{
UINT8 newIP = (IP_last_state & ~0x08) | (state == ASSERT_LINE) ? 8 : 0;
UINT8 newIP = (IP_last_state & ~0x08) | ((state == ASSERT_LINE) ? 8 : 0);
if (newIP != IP_last_state)
{
@ -536,14 +536,14 @@ WRITE_LINE_MEMBER( duartn68681_device::ip3_w )
WRITE_LINE_MEMBER( duartn68681_device::ip4_w )
{
UINT8 newIP = (IP_last_state & ~0x10) | (state == ASSERT_LINE) ? 0x10 : 0;
UINT8 newIP = (IP_last_state & ~0x10) | ((state == ASSERT_LINE) ? 0x10 : 0);
// TODO: special mode for ip4 (Ch. A Rx clock)
IP_last_state = newIP;
}
WRITE_LINE_MEMBER( duartn68681_device::ip5_w )
{
UINT8 newIP = (IP_last_state & ~0x20) | (state == ASSERT_LINE) ? 0x20 : 0;
UINT8 newIP = (IP_last_state & ~0x20) | ((state == ASSERT_LINE) ? 0x20 : 0);
// TODO: special mode for ip5 (Ch. B Tx clock)
IP_last_state = newIP;
}