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Port from MESS, nw

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This commit is contained in:
Angelo Salese 2011-08-01 02:04:03 +00:00
parent 32217d762e
commit 79e6b66119
1 changed files with 30 additions and 26 deletions
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56
src/mame/machine/smpc.c
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@ -173,7 +173,7 @@ READ8_HANDLER( stv_SMPC_r )
// if (offset == 0x33) //country code
// return_data = input_port_read(machine, "FAKE");
//if(LOG_SMPC) logerror ("cpu %s (PC=%08X) SMPC: Read from Byte Offset %02x Returns %02x\n", space->device().tag(), cpu_get_pc(&space->device()), offset, return_data);
//if(LOG_SMPC) printf ("cpu %s (PC=%08X) SMPC: Read from Byte Offset %02x Returns %02x\n", space->device().tag(), cpu_get_pc(&space->device()), offset, return_data);
return return_data;
@ -363,11 +363,14 @@ static TIMER_CALLBACK( smpc_intback )
}
// /*This is for RTC,cartridge code and similar stuff...*/
//if(LOG_SMPC) logerror ("Interrupt: System Manager (SMPC) at scanline %04x, Vector 0x47 Level 0x08\n",scanline);
//if(LOG_SMPC) printf ("Interrupt: System Manager (SMPC) at scanline %04x, Vector 0x47 Level 0x08\n",scanline);
if(!(state->m_scu.ism & IRQ_SMPC))
device_set_input_line_and_vector(state->m_maincpu, 8, HOLD_LINE, 0x47);
else
state->m_scu.ist |= (IRQ_SMPC);
/* clear hand-shake flag */
state->m_smpc_ram[0x63] = 0x00;
}
static void smpc_rtc_write(running_machine &machine)
@ -413,7 +416,7 @@ WRITE8_HANDLER( stv_SMPC_w )
system_time systime;
space->machine().base_datetime(systime);
// if(LOG_SMPC) logerror ("8-bit SMPC Write to Offset %02x with Data %02x\n", offset, data);
// if(LOG_SMPC) printf ("8-bit SMPC Write to Offset %02x with Data %02x\n", offset, data);
state->m_smpc_ram[offset] = data;
if(offset == 0x75)
@ -444,11 +447,11 @@ WRITE8_HANDLER( stv_SMPC_w )
*/
//popmessage("PDR2 = %02x",state->m_smpc_ram[0x77]);
if(LOG_SMPC) logerror("SMPC: M68k %s\n",(state->m_smpc_ram[0x77] & 0x10) ? "off" : "on");
if(LOG_SMPC) printf("SMPC: M68k %s\n",(state->m_smpc_ram[0x77] & 0x10) ? "off" : "on");
cputag_set_input_line(space->machine(), "audiocpu", INPUT_LINE_RESET, (state->m_smpc_ram[0x77] & 0x10) ? ASSERT_LINE : CLEAR_LINE);
state->m_en_68k = ((state->m_smpc_ram[0x77] & 0x10) >> 4) ^ 1;
//if(LOG_SMPC) logerror("SMPC: ram [0x77] = %02x\n",state->m_smpc_ram[0x77]);
//if(LOG_SMPC) printf("SMPC: ram [0x77] = %02x\n",state->m_smpc_ram[0x77]);
state->m_smpc.PDR2 = (data & 0x60);
}
@ -474,53 +477,53 @@ WRITE8_HANDLER( stv_SMPC_w )
switch (data)
{
case 0x00:
if(LOG_SMPC) logerror ("SMPC: Master ON\n");
if(LOG_SMPC) printf ("SMPC: Master ON\n");
smpc_master_on(space->machine());
break;
//in theory 0x01 is for Master OFF,but obviously is not used.
case 0x02:
case 0x03:
if(LOG_SMPC) logerror ("SMPC: Slave %s\n",(data & 1) ? "off" : "on");
if(LOG_SMPC) printf ("SMPC: Slave %s\n",(data & 1) ? "off" : "on");
smpc_slave_enable(space->machine(),(data & 1));
break;
case 0x06:
case 0x07:
if(LOG_SMPC) logerror ("SMPC: Sound %s, ignored\n",(data & 1) ? "off" : "on");
if(LOG_SMPC) printf ("SMPC: Sound %s, ignored\n",(data & 1) ? "off" : "on");
break;
/*CD (SH-1) ON/OFF,guess that this is needed for Sports Fishing games...*/
//case 0x08:
//case 0x09:
case 0x0d:
if(LOG_SMPC) logerror ("SMPC: System Reset\n");
if(LOG_SMPC) printf ("SMPC: System Reset\n");
smpc_system_reset(space->machine());
break;
case 0x0e:
case 0x0f:
if(LOG_SMPC) logerror ("SMPC: Change Clock to %s\n",data & 1 ? "320" : "352");
if(LOG_SMPC) printf ("SMPC: Change Clock to %s\n",data & 1 ? "320" : "352");
smpc_change_clock(space->machine(),data & 1);
break;
/*"Interrupt Back"*/
case 0x10:
if(LOG_SMPC) logerror ("SMPC: Status Acquire\n");
if(LOG_SMPC) printf ("SMPC: Status Acquire\n");
space->machine().scheduler().timer_set(attotime::from_msec(16), FUNC(smpc_intback),1); //TODO: variable time
break;
/* RTC write*/
case 0x16:
if(LOG_SMPC) logerror("SMPC: RTC write\n");
if(LOG_SMPC) printf("SMPC: RTC write\n");
smpc_rtc_write(space->machine());
break;
/* SMPC memory setting*/
case 0x17:
if(LOG_SMPC) logerror ("SMPC: memory setting\n");
if(LOG_SMPC) printf ("SMPC: memory setting\n");
//smpc_memory_setting(space->machine());
break;
case 0x18:
if(LOG_SMPC) logerror ("SMPC: NMI request\n");
if(LOG_SMPC) printf ("SMPC: NMI request\n");
smpc_nmi_req(space->machine());
break;
case 0x19:
case 0x1a:
if(LOG_SMPC) logerror ("SMPC: NMI %sable\n",data & 1 ? "Dis" : "En");
if(LOG_SMPC) printf ("SMPC: NMI %sable\n",data & 1 ? "Dis" : "En");
smpc_nmi_set(space->machine(),data & 1);
break;
default:
@ -650,54 +653,54 @@ WRITE8_HANDLER( saturn_SMPC_w )
switch (data)
{
case 0x00:
if(LOG_SMPC) logerror ("SMPC: Master ON\n");
if(LOG_SMPC) printf ("SMPC: Master ON\n");
smpc_master_on(space->machine());
break;
//in theory 0x01 is for Master OFF
case 0x02:
case 0x03:
if(LOG_SMPC) logerror ("SMPC: Slave %s\n",(data & 1) ? "off" : "on");
if(LOG_SMPC) printf ("SMPC: Slave %s\n",(data & 1) ? "off" : "on");
smpc_slave_enable(space->machine(),data & 1);
break;
case 0x06:
case 0x07:
if(LOG_SMPC) logerror ("SMPC: Sound %s\n",(data & 1) ? "off" : "on");
if(LOG_SMPC) printf ("SMPC: Sound %s\n",(data & 1) ? "off" : "on");
smpc_sound_enable(space->machine(),data & 1);
break;
/*CD (SH-1) ON/OFF,guess that this is needed for Sports Fishing games...*/
//case 0x08:
//case 0x09:
case 0x0d:
if(LOG_SMPC) logerror ("SMPC: System Reset\n");
if(LOG_SMPC) printf ("SMPC: System Reset\n");
smpc_system_reset(space->machine());
break;
case 0x0e:
case 0x0f:
if(LOG_SMPC) logerror ("SMPC: Change Clock to %s\n",data & 1 ? "320" : "352");
if(LOG_SMPC) printf ("SMPC: Change Clock to %s\n",data & 1 ? "320" : "352");
smpc_change_clock(space->machine(),data & 1);
break;
/*"Interrupt Back"*/
case 0x10:
if(LOG_SMPC) logerror ("SMPC: Status Acquire (IntBack)\n");
if(LOG_SMPC) printf ("SMPC: Status Acquire (IntBack)\n");
space->machine().scheduler().timer_set(attotime::from_msec(16), FUNC(smpc_intback),0); //TODO: variable time
break;
/* RTC write*/
case 0x16:
if(LOG_SMPC) logerror("SMPC: RTC write\n");
if(LOG_SMPC) printf("SMPC: RTC write\n");
smpc_rtc_write(space->machine());
break;
/* SMPC memory setting*/
case 0x17:
if(LOG_SMPC) logerror ("SMPC: memory setting\n");
if(LOG_SMPC) printf ("SMPC: memory setting\n");
smpc_memory_setting(space->machine());
break;
case 0x18:
if(LOG_SMPC) logerror ("SMPC: NMI request\n");
if(LOG_SMPC) printf ("SMPC: NMI request\n");
smpc_nmi_req(space->machine());
break;
case 0x19:
case 0x1a:
if(LOG_SMPC) logerror ("SMPC: NMI %sable\n",data & 1 ? "Dis" : "En");
if(LOG_SMPC) printf ("SMPC: NMI %sable\n",data & 1 ? "Dis" : "En");
smpc_nmi_set(space->machine(),data & 1);
break;
default:
@ -706,7 +709,8 @@ WRITE8_HANDLER( saturn_SMPC_w )
// we've processed the command, clear status flag
state->m_smpc_ram[0x5f] = data; //read-back for last command issued
state->m_smpc_ram[0x63] = 0x00;
if(data != 0x10)
state->m_smpc_ram[0x63] = 0x00; //clear hand-shake flag
/*TODO:emulate the timing of each command...*/
}
}