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SASI documentation

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This commit is contained in:
Angelo Salese 2013-08-15 17:03:59 +00:00
parent 803d394bfe
commit c63c620c2f
2 changed files with 10 additions and 4 deletions
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6
src/mame/drivers/panicr.c
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@ -512,10 +512,10 @@ static INPUT_PORTS_START( panicr )
PORT_DIPSETTING( 0x10, "10k 20k" )
PORT_DIPSETTING( 0x08, "20k 40k" )
PORT_DIPSETTING( 0x00, "50k 100k" )
PORT_DIPNAME( 0x60, 0x40, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:6,7")
PORT_DIPNAME( 0x60, 0x20, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW2:6,7")
PORT_DIPSETTING( 0x00, "4" )
PORT_DIPSETTING( 0x20, "2" )
PORT_DIPSETTING( 0x40, "3" )
PORT_DIPSETTING( 0x20, "3" )
PORT_DIPSETTING( 0x40, "2" )
PORT_DIPSETTING( 0x60, "1" )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW2:8")
PORT_DIPSETTING( 0x80, DEF_STR( Upright ) )

8
src/mess/drivers/pc9801.c
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@ -1795,10 +1795,16 @@ READ8_MEMBER( pc9801_state::sasi_status_r )
WRITE8_MEMBER( pc9801_state::sasi_ctrl_w )
{
/*
---- ----
x--- ---- channel enable
-x-- ---- read switch
--x- ---- sel
---- x--- reset line
---- --x- dma enable
---- ---x irq enable
*/
m_scsibus->scsi_sel_w(BIT(data, 5));
if(m_sasi.ctrl & 8 && ((data & 8) == 0)) // 1 -> 0 transition
{
m_sasibus->scsi_rst_w(1);