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(MESS) advision.c: cleaned up the driver and added support for save states. [Fabio Priuli]

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This commit is contained in:
Fabio Priuli 2014-09-22 07:58:23 +00:00
parent 6fe528885e
commit 75d4c849ee
4 changed files with 54 additions and 45 deletions
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2
src/mess/drivers/advision.c
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@ -114,4 +114,4 @@ ROM_END
/* Game Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
CONS( 1982, advision, 0, 0, advision, advision, driver_device, 0, "Entex Industries Inc", "Adventure Vision", GAME_IMPERFECT_GRAPHICS | GAME_IMPERFECT_SOUND )
CONS( 1982, advision, 0, 0, advision, advision, driver_device, 0, "Entex Industries Inc", "Adventure Vision", GAME_IMPERFECT_GRAPHICS | GAME_IMPERFECT_SOUND | GAME_SUPPORTS_SAVE )

10
src/mess/includes/advision.h
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@ -24,6 +24,8 @@ public:
m_soundcpu(*this, COP411_TAG),
m_dac(*this, "dac"),
m_cart(*this, "cartslot"),
m_bank1(*this, "bank1"),
m_joy(*this, "joystick"),
m_palette(*this, "palette")
{ }
@ -31,6 +33,8 @@ public:
required_device<cpu_device> m_soundcpu;
required_device<dac_device> m_dac;
required_device<generic_slot_device> m_cart;
required_memory_bank m_bank1;
required_ioport m_joy;
required_device<palette_device> m_palette;
virtual void machine_start();
@ -56,8 +60,10 @@ public:
memory_region *m_cart_rom;
int m_ea_bank;
/* external RAM state */
UINT8 *m_ext_ram;
dynamic_buffer m_ext_ram;
int m_rambank;
/* video state */
@ -67,7 +73,7 @@ public:
int m_video_bank;
int m_video_hpos;
UINT8 m_led_latch[8];
UINT8 *m_display;
dynamic_buffer m_display;
/* sound state */
int m_sound_cmd;

47
src/mess/machine/advision.c
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@ -31,41 +31,52 @@ void advision_state::machine_start()
m_cart_rom = memregion(region_tag.cpy(m_cart->tag()).cat(GENERIC_ROM_REGION_TAG));
/* configure EA banking */
membank("bank1")->configure_entry(0, memregion(I8048_TAG)->base());
membank("bank1")->configure_entry(1, m_cart_rom->base());
m_bank1->configure_entry(0, memregion(I8048_TAG)->base());
m_bank1->configure_entry(1, m_cart_rom->base());
m_maincpu->space(AS_PROGRAM).install_readwrite_bank(0x0000, 0x03ff, "bank1");
membank("bank1")->set_entry(0);
m_bank1->set_entry(0);
/* allocate external RAM */
m_ext_ram = auto_alloc_array(machine(), UINT8, 0x400);
m_ext_ram.resize(0x400);
save_item(NAME(m_ext_ram));
save_item(NAME(m_ea_bank));
save_item(NAME(m_rambank));
save_item(NAME(m_frame_count));
save_item(NAME(m_frame_start));
save_item(NAME(m_video_enable));
save_item(NAME(m_video_bank));
save_item(NAME(m_led_latch));
save_item(NAME(m_sound_cmd));
save_item(NAME(m_sound_d));
save_item(NAME(m_sound_g));
}
void advision_state::machine_reset()
{
/* enable internal ROM */
m_maincpu->set_input_line(MCS48_INPUT_EA, CLEAR_LINE);
membank("bank1")->set_entry(0);
/* reset sound CPU */
m_soundcpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
m_ea_bank = 0;
m_rambank = 0x300;
m_frame_start = 0;
m_video_enable = 0;
m_sound_cmd = 0;
/* enable internal ROM */
m_maincpu->set_input_line(MCS48_INPUT_EA, CLEAR_LINE);
m_bank1->set_entry(m_ea_bank);
/* reset sound CPU */
m_soundcpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
}
/* Bank Switching */
WRITE8_MEMBER( advision_state::bankswitch_w )
{
int ea = BIT(data, 2);
m_maincpu->set_input_line(MCS48_INPUT_EA, ea ? ASSERT_LINE : CLEAR_LINE);
membank("bank1")->set_entry(ea);
m_ea_bank = BIT(data, 2);
m_rambank = (data & 0x03) << 8;
m_maincpu->set_input_line(MCS48_INPUT_EA, m_ea_bank ? ASSERT_LINE : CLEAR_LINE);
m_bank1->set_entry(m_ea_bank);
}
/* External RAM */
@ -166,7 +177,7 @@ READ8_MEMBER( advision_state::vsync_r )
READ8_MEMBER( advision_state::controller_r )
{
// Get joystick switches
UINT8 in = ioport("joystick")->read();
UINT8 in = m_joy->read();
UINT8 data = in | 0x0f;
// Get buttons

40
src/mess/video/advision.c
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@ -21,8 +21,9 @@
void advision_state::video_start()
{
m_video_hpos = 0;
m_display = auto_alloc_array(machine(), UINT8, 8 * 8 * 256);
memset(m_display, 0, 8 * 8 * 256);
m_display.resize_and_clear(8 * 8 * 256);
save_item(NAME(m_display));
save_item(NAME(m_video_hpos));
}
/***************************************************************************
@ -33,9 +34,7 @@ void advision_state::video_start()
PALETTE_INIT_MEMBER(advision_state, advision)
{
int i;
for( i = 0; i < 8; i++ )
for (int i = 0; i < 8; i++)
{
/* 8 shades of RED */
m_palette->set_pen_color(i, i * 0x22, 0x00, 0x00);
@ -59,23 +58,18 @@ void advision_state::vh_write(int data)
void advision_state::vh_update(int x)
{
UINT8 *dst = &m_display[x];
int y;
for( y = 0; y < 8; y++ )
for (int y = 0; y < 8; y++)
{
UINT8 data = m_led_latch[7-y];
UINT8 data = m_led_latch[7 - y];
if( (data & 0x80) == 0 ) dst[0 * 256] = 8;
if( (data & 0x40) == 0 ) dst[1 * 256] = 8;
if( (data & 0x20) == 0 ) dst[2 * 256] = 8;
if( (data & 0x10) == 0 ) dst[3 * 256] = 8;
if( (data & 0x08) == 0 ) dst[4 * 256] = 8;
if( (data & 0x04) == 0 ) dst[5 * 256] = 8;
if( (data & 0x02) == 0 ) dst[6 * 256] = 8;
if( (data & 0x01) == 0 ) dst[7 * 256] = 8;
m_led_latch[7-y] = 0xff;
for (int i = 0; i < 8; i++)
{
if (!BIT(data, 7 - i))
dst[i * 256] = 8;
}
m_led_latch[7 - y] = 0xff;
dst += 8 * 256;
}
}
@ -89,21 +83,19 @@ void advision_state::vh_update(int x)
UINT32 advision_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
int x, y;
if( (m_frame_count++ % 4) == 0 )
if ((m_frame_count++ % 4) == 0)
{
m_frame_start = 1;
m_video_hpos = 0;
}
for (x = 0; x < 150; x++)
for (int x = 0; x < 150; x++)
{
UINT8 *led = &m_display[x];
for( y = 0; y < 128; y+=2 )
for (int y = 0; y < 128; y+=2)
{
if( *led > 0 )
if (*led > 0)
bitmap.pix16(30 + y, 85 + x) = --(*led);
else
bitmap.pix16(30 + y, 85 + x) = 0;