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Added driver data struct and save state support to pandoras.c

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This commit is contained in:
Fabio Priuli 2009-11-17 18:07:30 +00:00
parent 0ce54a4eda
commit 112a759ceb
4 changed files with 130 additions and 57 deletions
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1
.gitattributes vendored
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@ -2507,6 +2507,7 @@ src/mame/includes/offtwall.h svneol=native#text/plain
src/mame/includes/oneshot.h svneol=native#text/plain
src/mame/includes/orbit.h svneol=native#text/plain
src/mame/includes/pacman.h svneol=native#text/plain
src/mame/includes/pandoras.h svneol=native#text/plain
src/mame/includes/paradise.h svneol=native#text/plain
src/mame/includes/pgm.h svneol=native#text/plain
src/mame/includes/phoenix.h svneol=native#text/plain

91
src/mame/drivers/pandoras.c
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@ -24,29 +24,21 @@ Added dsw locations and verified factory setting based on Guru's notes
#include "sound/ay8910.h"
#include "sound/dac.h"
#include "konamipt.h"
static int irq_enable_a, irq_enable_b;
static int firq_old_data_a, firq_old_data_b;
static int i8039_status;
/* from video */
PALETTE_INIT( pandoras );
WRITE8_HANDLER( pandoras_vram_w );
WRITE8_HANDLER( pandoras_cram_w );
WRITE8_HANDLER( pandoras_flipscreen_w );
WRITE8_HANDLER( pandoras_scrolly_w );
VIDEO_START( pandoras );
VIDEO_UPDATE( pandoras );
#include "pandoras.h"
static INTERRUPT_GEN( pandoras_master_interrupt )
{
if (irq_enable_a)
pandoras_state *state = (pandoras_state *)device->machine->driver_data;
if (state->irq_enable_a)
cpu_set_input_line(device, M6809_IRQ_LINE, HOLD_LINE);
}
static INTERRUPT_GEN( pandoras_slave_interrupt )
{
if (irq_enable_b)
pandoras_state *state = (pandoras_state *)device->machine->driver_data;
if (state->irq_enable_b)
cpu_set_input_line(device, M6809_IRQ_LINE, HOLD_LINE);
}
@ -61,10 +53,13 @@ static WRITE8_HANDLER( pandoras_int_control_w )
other bytes unknown */
pandoras_state *state = (pandoras_state *)space->machine->driver_data;
switch (offset)
{
case 0x00: if (!data) cputag_set_input_line(space->machine, "maincpu", M6809_IRQ_LINE, CLEAR_LINE);
irq_enable_a = data;
case 0x00: if (!data)
cputag_set_input_line(space->machine, "maincpu", M6809_IRQ_LINE, CLEAR_LINE);
state->irq_enable_a = data;
break;
case 0x02: coin_counter_w(0,data & 0x01);
break;
@ -72,35 +67,40 @@ static WRITE8_HANDLER( pandoras_int_control_w )
break;
case 0x05: pandoras_flipscreen_w(space, 0, data);
break;
case 0x06: if (!data) cputag_set_input_line(space->machine, "sub", M6809_IRQ_LINE, CLEAR_LINE);
irq_enable_b = data;
case 0x06: if (!data)
cputag_set_input_line(space->machine, "sub", M6809_IRQ_LINE, CLEAR_LINE);
state->irq_enable_b = data;
break;
case 0x07: cputag_set_input_line(space->machine, "sub",INPUT_LINE_NMI,PULSE_LINE);
break;
default:
logerror("%04x: (irq_ctrl) write %02x to %02x\n",cpu_get_pc(space->cpu), data, offset);
default: logerror("%04x: (irq_ctrl) write %02x to %02x\n",cpu_get_pc(space->cpu), data, offset);
break;
}
}
static WRITE8_HANDLER( pandoras_cpua_irqtrigger_w )
{
if (!firq_old_data_a && data)
pandoras_state *state = (pandoras_state *)space->machine->driver_data;
if (!state->firq_old_data_a && data)
{
cputag_set_input_line(space->machine, "maincpu", M6809_FIRQ_LINE, HOLD_LINE);
}
firq_old_data_a = data;
state->firq_old_data_a = data;
}
static WRITE8_HANDLER( pandoras_cpub_irqtrigger_w )
{
if (!firq_old_data_b && data)
pandoras_state *state = (pandoras_state *)space->machine->driver_data;
if (!state->firq_old_data_b && data)
{
cputag_set_input_line(space->machine, "sub", M6809_FIRQ_LINE, HOLD_LINE);
}
firq_old_data_b = data;
state->firq_old_data_b = data;
}
static WRITE8_HANDLER( pandoras_i8039_irqtrigger_w )
@ -110,12 +110,14 @@ static WRITE8_HANDLER( pandoras_i8039_irqtrigger_w )
static WRITE8_HANDLER( i8039_irqen_and_status_w )
{
pandoras_state *state = (pandoras_state *)space->machine->driver_data;
/* bit 7 enables IRQ */
if ((data & 0x80) == 0)
cputag_set_input_line(space->machine, "mcu", 0, CLEAR_LINE);
/* bit 5 goes to 8910 port A */
i8039_status = (data & 0x20) >> 5;
state->i8039_status = (data & 0x20) >> 5;
}
static WRITE8_HANDLER( pandoras_z80_irqtrigger_w )
@ -126,9 +128,9 @@ static WRITE8_HANDLER( pandoras_z80_irqtrigger_w )
static ADDRESS_MAP_START( pandoras_master_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x0fff) AM_RAM AM_SHARE(1) AM_BASE(&spriteram) /* Work RAM (Shared with CPU B) */
AM_RANGE(0x1000, 0x13ff) AM_RAM_WRITE(pandoras_cram_w) AM_SHARE(2) AM_BASE(&colorram) /* Color RAM (shared with CPU B) */
AM_RANGE(0x1400, 0x17ff) AM_RAM_WRITE(pandoras_vram_w) AM_SHARE(3) AM_BASE(&videoram) /* Video RAM (shared with CPU B) */
AM_RANGE(0x0000, 0x0fff) AM_RAM AM_SHARE(1) AM_BASE_MEMBER(pandoras_state, spriteram) /* Work RAM (Shared with CPU B) */
AM_RANGE(0x1000, 0x13ff) AM_RAM_WRITE(pandoras_cram_w) AM_SHARE(2) AM_BASE_MEMBER(pandoras_state, colorram) /* Color RAM (shared with CPU B) */
AM_RANGE(0x1400, 0x17ff) AM_RAM_WRITE(pandoras_vram_w) AM_SHARE(3) AM_BASE_MEMBER(pandoras_state, videoram) /* Video RAM (shared with CPU B) */
AM_RANGE(0x1800, 0x1807) AM_WRITE(pandoras_int_control_w) /* INT control */
AM_RANGE(0x1a00, 0x1a00) AM_WRITE(pandoras_scrolly_w) /* bg scroll */
AM_RANGE(0x1c00, 0x1c00) AM_WRITE(pandoras_z80_irqtrigger_w) /* cause INT on the Z80 */
@ -289,15 +291,34 @@ GFXDECODE_END
***************************************************************************/
static MACHINE_START( pandoras )
{
pandoras_state *state = (pandoras_state *)machine->driver_data;
state_save_register_global(machine, state->firq_old_data_a);
state_save_register_global(machine, state->firq_old_data_b);
state_save_register_global(machine, state->irq_enable_a);
state_save_register_global(machine, state->irq_enable_b);
state_save_register_global(machine, state->i8039_status);
}
static MACHINE_RESET( pandoras )
{
firq_old_data_a = firq_old_data_b = 0;
irq_enable_a = irq_enable_b = 0;
pandoras_state *state = (pandoras_state *)machine->driver_data;
state->firq_old_data_a = 0;
state->firq_old_data_b = 0;
state->irq_enable_a = 0;
state->irq_enable_b = 0;
state->i8039_status = 0;
state->flipscreen = 0;
}
static READ8_DEVICE_HANDLER( pandoras_portA_r )
{
return i8039_status;
pandoras_state *state = (pandoras_state *)device->machine->driver_data;
return state->i8039_status;
}
static READ8_DEVICE_HANDLER( pandoras_portB_r )
@ -317,6 +338,9 @@ static const ay8910_interface ay8910_config =
static MACHINE_DRIVER_START( pandoras )
/* driver data */
MDRV_DRIVER_DATA(pandoras_state)
/* basic machine hardware */
MDRV_CPU_ADD("maincpu", M6809,18432000/6) /* CPU A */
MDRV_CPU_PROGRAM_MAP(pandoras_master_map)
@ -335,6 +359,7 @@ static MACHINE_DRIVER_START( pandoras )
MDRV_QUANTUM_TIME(HZ(3000)) /* slices per frame */
MDRV_MACHINE_START(pandoras)
MDRV_MACHINE_RESET(pandoras)
/* video hardware */
@ -402,4 +427,4 @@ ROM_START( pandoras )
ROM_END
GAME( 1984, pandoras, 0, pandoras, pandoras, 0, ROT90, "Konami/Interlogic", "Pandora's Palace", 0 )
GAME( 1984, pandoras, 0, pandoras, pandoras, 0, ROT90, "Konami/Interlogic", "Pandora's Palace", GAME_SUPPORTS_SAVE )

35
src/mame/includes/pandoras.h Normal file
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@ -0,0 +1,35 @@
/*************************************************************************
Pandora's Palace
*************************************************************************/
typedef struct _pandoras_state pandoras_state;
struct _pandoras_state
{
/* memory pointers */
UINT8 * videoram;
UINT8 * colorram;
UINT8 * spriteram;
/* video-related */
tilemap *layer0;
int flipscreen;
int irq_enable_a, irq_enable_b;
int firq_old_data_a, firq_old_data_b;
int i8039_status;
};
/* defined in video/pandoras.c */
PALETTE_INIT( pandoras );
WRITE8_HANDLER( pandoras_vram_w );
WRITE8_HANDLER( pandoras_cram_w );
WRITE8_HANDLER( pandoras_flipscreen_w );
WRITE8_HANDLER( pandoras_scrolly_w );
VIDEO_START( pandoras );
VIDEO_UPDATE( pandoras );

46
src/mame/video/pandoras.c
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@ -1,9 +1,7 @@
#include "driver.h"
#include "pandoras.h"
#include "video/resnet.h"
static int flipscreen;
static tilemap *layer0;
/***********************************************************************
Convert the color PROMs into a more useable format.
@ -22,6 +20,7 @@ static tilemap *layer0;
bit 0 -- 1 kohm resistor -- RED
***************************************************************************/
PALETTE_INIT( pandoras )
{
static const int resistances_rg[3] = { 1000, 470, 220 };
@ -90,10 +89,11 @@ PALETTE_INIT( pandoras )
static TILE_GET_INFO( get_tile_info0 )
{
UINT8 attr = colorram[tile_index];
pandoras_state *state = (pandoras_state *)machine->driver_data;
UINT8 attr = state->colorram[tile_index];
SET_TILE_INFO(
1,
videoram[tile_index] + ((attr & 0x10) << 4),
state->videoram[tile_index] + ((attr & 0x10) << 4),
attr & 0x0f,
TILE_FLIPYX((attr & 0xc0) >> 6));
tileinfo->category = (attr & 0x20) >> 5;
@ -107,7 +107,10 @@ static TILE_GET_INFO( get_tile_info0 )
VIDEO_START( pandoras )
{
layer0 = tilemap_create(machine, get_tile_info0,tilemap_scan_rows,8,8,32,32);
pandoras_state *state = (pandoras_state *)machine->driver_data;
state->layer0 = tilemap_create(machine, get_tile_info0, tilemap_scan_rows, 8, 8, 32, 32);
state_save_register_global(machine, state->flipscreen);
}
/***************************************************************************
@ -118,25 +121,33 @@ VIDEO_START( pandoras )
WRITE8_HANDLER( pandoras_vram_w )
{
tilemap_mark_tile_dirty(layer0,offset);
videoram[offset] = data;
pandoras_state *state = (pandoras_state *)space->machine->driver_data;
tilemap_mark_tile_dirty(state->layer0, offset);
state->videoram[offset] = data;
}
WRITE8_HANDLER( pandoras_cram_w )
{
tilemap_mark_tile_dirty(layer0,offset);
colorram[offset] = data;
pandoras_state *state = (pandoras_state *)space->machine->driver_data;
tilemap_mark_tile_dirty(state->layer0, offset);
state->colorram[offset] = data;
}
WRITE8_HANDLER( pandoras_scrolly_w )
{
tilemap_set_scrolly(layer0,0,data);
pandoras_state *state = (pandoras_state *)space->machine->driver_data;
tilemap_set_scrolly(state->layer0, 0, data);
}
WRITE8_HANDLER( pandoras_flipscreen_w )
{
flipscreen = data;
tilemap_set_flip_all(space->machine, flipscreen ? (TILEMAP_FLIPY | TILEMAP_FLIPX) : 0);
pandoras_state *state = (pandoras_state *)space->machine->driver_data;
state->flipscreen = data;
tilemap_set_flip_all(space->machine, state->flipscreen ? (TILEMAP_FLIPY | TILEMAP_FLIPX) : 0);
}
/***************************************************************************
@ -145,7 +156,7 @@ WRITE8_HANDLER( pandoras_flipscreen_w )
***************************************************************************/
static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, UINT8* sr)
static void draw_sprites( running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, UINT8* sr )
{
int offs;
@ -168,8 +179,9 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
VIDEO_UPDATE( pandoras )
{
tilemap_draw(bitmap,cliprect, layer0, 1 ,0);
draw_sprites(screen->machine, bitmap,cliprect, &spriteram[0x800] );
tilemap_draw(bitmap,cliprect, layer0, 0 ,0);
pandoras_state *state = (pandoras_state *)screen->machine->driver_data;
tilemap_draw(bitmap,cliprect, state->layer0, 1 ,0);
draw_sprites(screen->machine, bitmap, cliprect, &state->spriteram[0x800] );
tilemap_draw(bitmap,cliprect, state->layer0, 0 ,0);
return 0;
}