- de-deprecated the timer callbacks

- moved PCB RAM to the heap and fixed index overflow
This commit is contained in:
Curt Coder 2008-03-25 19:49:57 +00:00
parent aba3623620
commit a72d813bb3

View File

@ -1,5 +1,4 @@
#include "driver.h"
#include "deprecat.h"
#include "cpu/cdp1802/cdp1802.h"
#include "cpu/cop400/cop400.h"
#include "video/cdp1869.h"
@ -10,7 +9,6 @@
TODO:
- auto_malloc cidelsa_pcb
- move set_cpu_mode timer call to MDRV
- fix COP420 core to get sound in Draco
@ -28,7 +26,7 @@
static int cdp1869_prd;
static int cdp1869_pcb;
static UINT8 cidelsa_pcb[0x800]; // 2048x1 bit PCB ram
static UINT8 *pcb_ram; // 2048x1 bit PCB ram
static int cdp1802_mode = CDP1802_MODE_RESET;
@ -39,46 +37,39 @@ static UINT8 cidelsa_mode_r(void)
static UINT8 cidelsa_ef_r(void)
{
/*
EF1 CDP1869 _PRD
EF2 Test
EF3 Coin 2
EF4 Coin 1
*/
return readinputportbytag("EF");
}
static const CDP1802_CONFIG cidelsa_cdp1802_config =
{
cidelsa_mode_r,
cidelsa_ef_r,
NULL,
NULL,
NULL,
NULL
cidelsa_mode_r, // MODE input
cidelsa_ef_r, // EF input
NULL, // SC output
NULL, // Q output
NULL, // DMA read
NULL // DMA write
};
/* Sound Interface */
/* Draco Sound Interface */
static int draco_sound;
static int draco_ay_latch;
static WRITE8_HANDLER ( draco_sound_bankswitch_w )
{
memory_set_bank(1, (data & 0x08) >> 3);
memory_set_bank(1, BIT(data, 3));
}
static WRITE8_HANDLER ( draco_sound_g_w )
{
/*
G1 G0 description
G1 G0 description
0 0 IAB inactive
0 1 DWS write to PSG
1 0 DTB read from PSG
1 1 INTAK latch address
0 0 IAB inactive
0 1 DWS write to PSG
1 0 DTB read from PSG
1 1 INTAK latch address
*/
@ -100,7 +91,7 @@ static WRITE8_HANDLER ( draco_sound_g_w )
static READ8_HANDLER ( draco_sound_in_r )
{
return draco_sound & 0x07;
return ~draco_sound & 0x07; // inverted
}
static READ8_HANDLER ( draco_sound_ay8910_r )
@ -116,6 +107,7 @@ static WRITE8_HANDLER ( draco_sound_ay8910_w )
static WRITE8_HANDLER ( draco_ay8910_port_a_w )
{
/*
bit description
0 N/C
@ -126,12 +118,14 @@ static WRITE8_HANDLER ( draco_ay8910_port_a_w )
5 N/C
6 N/C
7 N/C
*/
}
static WRITE8_HANDLER ( draco_ay8910_port_b_w )
{
/*
bit description
0 RELE0
@ -142,15 +136,16 @@ static WRITE8_HANDLER ( draco_ay8910_port_b_w )
5 N/C
6 N/C
7 N/C
*/
}
static const struct AY8910interface ay8910_interface =
{
0,
0,
draco_ay8910_port_a_w,
draco_ay8910_port_b_w
0, // port A read
0, // port B read
draco_ay8910_port_a_w, // port A write
draco_ay8910_port_b_w // port B write
};
/* Read/Write Handlers */
@ -158,6 +153,7 @@ static const struct AY8910interface ay8910_interface =
static WRITE8_HANDLER ( destryer_out1_w )
{
/*
bit description
0
@ -168,12 +164,14 @@ static WRITE8_HANDLER ( destryer_out1_w )
5
6
7
*/
}
static WRITE8_HANDLER ( altair_out1_w )
{
/*
bit description
0 S1 (CARTUCHO)
@ -184,16 +182,18 @@ static WRITE8_HANDLER ( altair_out1_w )
5 LGF
6 CONT. M2
7 CONT. M1
*/
set_led_status(0, data & 0x08); // 1P
set_led_status(1, data & 0x10); // 2P
set_led_status(2, data & 0x20); // FIRE
set_led_status(0, BIT(data, 3)); // 1P
set_led_status(1, BIT(data, 4)); // 2P
set_led_status(2, BIT(data, 5)); // FIRE
}
static WRITE8_HANDLER ( draco_out1_w )
{
/*
bit description
0 3K9 -> Green signal
@ -204,16 +204,17 @@ static WRITE8_HANDLER ( draco_out1_w )
5 SONIDO A -> COP402 IN0
6 SONIDO B -> COP402 IN1
7 SONIDO C -> COP402 IN2
*/
draco_sound = (data & 0xe0) >> 5;
draco_sound = (data >> 5) & 0x07;
}
static WRITE8_HANDLER ( cidelsa_charram_w )
{
int addr = cdp1869_get_cma(offset);
cidelsa_pcb[addr] = activecpu_get_reg(CDP1802_Q);
pcb_ram[addr] = activecpu_get_reg(CDP1802_Q);
cdp1869_charram_w(machine, offset, data);
}
@ -222,7 +223,7 @@ static READ8_HANDLER ( cidelsa_charram_r )
{
int addr = cdp1869_get_cma(offset);
cdp1869_pcb = cidelsa_pcb[addr];
cdp1869_pcb = pcb_ram[addr];
return cdp1869_charram_r(machine, offset);
}
@ -460,24 +461,24 @@ INPUT_PORTS_END
/* Video Timer Callbacks */
static TIMER_DEVICE_CALLBACK( altair_prd_start )
static TIMER_CALLBACK( altair_prd_start )
{
cpunum_set_input_line(Machine, 0, INPUT_LINE_IRQ0, ASSERT_LINE);
cpunum_set_input_line(machine, 0, INPUT_LINE_IRQ0, ASSERT_LINE);
cdp1869_prd = 1; // inverted
}
static TIMER_DEVICE_CALLBACK( altair_prd_end )
static TIMER_CALLBACK( altair_prd_end )
{
cpunum_set_input_line(Machine, 0, INPUT_LINE_IRQ0, CLEAR_LINE);
cpunum_set_input_line(machine, 0, INPUT_LINE_IRQ0, CLEAR_LINE);
cdp1869_prd = 0; // inverted
}
static TIMER_DEVICE_CALLBACK( draco_prd_start )
static TIMER_CALLBACK( draco_prd_start )
{
cdp1869_prd = 0;
}
static TIMER_DEVICE_CALLBACK( draco_prd_end )
static TIMER_CALLBACK( draco_prd_end )
{
cdp1869_prd = 1;
}
@ -491,54 +492,76 @@ static TIMER_CALLBACK( set_cpu_mode )
static UINT8 cidelsa_get_color_bits(UINT8 cramdata, UINT16 cramaddr, UINT16 pramaddr)
{
int ccb0 = (cramdata & 0x40) >> 4;
int ccb1 = (cramdata & 0x80) >> 6;
int pcb = cidelsa_pcb[cramaddr];
int ccb0 = BIT(cramdata, 6);
int ccb1 = BIT(cramdata, 7);
int pcb = BIT(pcb_ram[cramaddr & 0x7ff], 0);
return ccb0 + ccb1 + pcb;
return (ccb0 << 2) + (ccb1 << 1) + pcb;
}
static const CDP1869_interface destryer_CDP1869_interface =
{
CDP1869_PAL,
REGION_INVALID,
0x800,
0x400,
cidelsa_get_color_bits
CDP1869_PAL, // display format
REGION_INVALID, // character RAM region
0x800, // character RAM size
0x400, // page RAM size
cidelsa_get_color_bits // color callback function
};
static const CDP1869_interface draco_CDP1869_interface =
{
CDP1869_PAL,
REGION_INVALID,
0x800,
0x800,
cidelsa_get_color_bits
CDP1869_PAL, // display format
REGION_INVALID, // character RAM region
0x800, // character RAM size
0x800, // page RAM size
cidelsa_get_color_bits // color callback function
};
static MACHINE_START( destryer )
{
// allocate PCB RAM
pcb_ram = auto_malloc(0x800);
// configure CDP1869
cdp1869_configure(&destryer_CDP1869_interface);
// allocate one-shot CPU mode set timer
timer_set(ATTOTIME_IN_MSEC(200), NULL, 0, set_cpu_mode);
// save state support
state_save_register_global(cdp1802_mode);
state_save_register_global_array(cidelsa_pcb);
state_save_register_global_pointer(pcb_ram, 0x800);
state_save_register_global(cdp1869_prd);
state_save_register_global(cdp1869_pcb);
}
static MACHINE_START( draco )
{
// configure COP402 ROM banking
UINT8 *ROM = memory_region(REGION_CPU2);
memory_configure_bank(1, 0, 2, &ROM[0x000], 0x400);
// allocate PCB RAM
pcb_ram = auto_malloc(0x800);
// configure CDP1869
cdp1869_configure(&draco_CDP1869_interface);
// allocate one-shot CPU mode set timer
timer_set(ATTOTIME_IN_MSEC(200), NULL, 0, set_cpu_mode);
// save state support
state_save_register_global(cdp1802_mode);
state_save_register_global_array(cidelsa_pcb);
state_save_register_global_pointer(pcb_ram, 0x800);
state_save_register_global(cdp1869_prd);
state_save_register_global(cdp1869_pcb);
state_save_register_global(draco_sound);