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More improvements, but I'll probably rewrite this from scratch

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This commit is contained in:
Angelo Salese 2009-12-27 21:57:27 +00:00
parent d6c93e9d1c
commit 05b54eba55
2 changed files with 21 additions and 14 deletions
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8
src/mame/drivers/cyclemb.c
View File

@ -265,6 +265,12 @@ static ADDRESS_MAP_START( cyclemb_sound_io, ADDRESS_SPACE_IO, 8 )
AM_RANGE(0x40, 0x40) AM_READ(soundlatch_r) AM_WRITE(soundlatch2_w)
ADDRESS_MAP_END
static MACHINE_RESET( cyclemb )
{
josvolly_8741_reset();
}
static INPUT_PORTS_START( cyclemb )
PORT_START("IN0")
PORT_DIPNAME( 0x01, 0x01, "IN0" )
@ -539,6 +545,8 @@ static MACHINE_DRIVER_START( cyclemb )
MDRV_VIDEO_START(cyclemb)
MDRV_VIDEO_UPDATE(cyclemb)
MDRV_MACHINE_RESET(cyclemb)
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("aysnd", AY8910, 18000000/16)

27
src/mame/machine/tait8741.c
View File

@ -389,7 +389,6 @@ typedef struct josvolly_8741_struct {
UINT8 connect;
UINT8 rst;
UINT8 mux_io;
const char *initReadPort;
}JV8741;
@ -421,8 +420,6 @@ void josvolly_8741_reset(void)
i8741[2].initReadPort = "DSW1"; /* DUMMY */
i8741[3].initReadPort = "DSW2"; /* DUMMY */
i8741[0].mux_io = 0;
i8741[1].mux_io = 0;
}
/* transmit data finish callback */
@ -567,10 +564,10 @@ static void cyclemb_8741_w(const address_space *space, int num, int offset, int
0x01 sub NG RAM
0x00 ok
*/
mcu->txd = 0 ^ 0x40;
mcu->rxd = 0 ^ 0x40;
mcu->sts |= 0x02;
/* ?? */
mcu->rxd = 0; /* SBSTS ( DIAG ) , killed */
//mcu->rxd = 0; /* SBSTS ( DIAG ) , killed */
mcu->sts |= 0x01; /* RD ready */
mcu->rst = 0;
break;
@ -583,7 +580,6 @@ static void cyclemb_8741_w(const address_space *space, int num, int offset, int
//mcu->rxd = input_port_read(space->machine, "DSW1");
mcu->sts |= 0x01; /* RD ready */
mcu->rst = 1;
mcu->mux_io = 0;
break;
case 0xf0: /* clear main sts ? */
@ -597,8 +593,8 @@ static void cyclemb_8741_w(const address_space *space, int num, int offset, int
/* data */
LOG(("%s:8741[%d] DW %02X\n", cpuexec_describe_context(space->machine), num, data));
mcu->txd = data ^ 0x40; /* parity reverce ? */
mcu->sts |= 0x02; /* TXD busy */
mcu->txd = data;
mcu->sts |= 0x02; /* TXD busy */
#if 1
/* interrupt ? */
if(num == 0)
@ -623,12 +619,15 @@ static INT8 cyclemb_8741_r(const address_space *space,int num,int offset)
{
if(mcu->rst)
{
static const char *const ports[] = { "IN0", "IN1", "IN2", "IN3", "IN4", "IN5" };
mcu->rxd = input_port_read(space->machine, ports[mcu->mux_io]); /* port in */
//printf("%02x\n",mcu->mux_io);
mcu->mux_io++;
if(mcu->mux_io > 5)
mcu->mux_io = 0;
//printf("%02x\n",mcu->txd);
switch(mcu->txd)
{
case 0x00: mcu->rxd = input_port_read(space->machine, "IN0"); //dip-sw1
case 0x40: mcu->rxd = input_port_read(space->machine, "IN1"); //dip-sw3
case 0x41: mcu->rxd = input_port_read(space->machine, "IN2"); //dip-sw3
case 0x84: mcu->rxd = input_port_read(space->machine, "IN3"); //dip-sw3
case 0x11: mcu->rxd = input_port_read(space->machine, "IN4"); //dip-sw3
}
}
ret = mcu->sts;
LOG(("%s:8741[%d] SR %02X\n",cpuexec_describe_context(space->machine),num,ret));