Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-20 15:32:45 +03:00
Code Issues Actions 6 Packages Projects Releases Wiki Activity

Added save state support to btoads.

Browse Source 
Fixed btoads0103gre.
This commit is contained in:
Aaron Giles 2008-01-03 10:42:31 +00:00
parent eafea60950
commit b3fb536264
2 changed files with 98 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/mame/drivers/btoads.c
View File

@ -35,6 +35,16 @@ static UINT8 sound_int_state;
*
*************************************/
static MACHINE_START( btoads )
{
state_save_register_global(main_to_sound_data);
state_save_register_global(main_to_sound_ready);
state_save_register_global(sound_to_main_data);
state_save_register_global(sound_to_main_ready);
state_save_register_global(sound_int_state);
}
static MACHINE_RESET( btoads )
{
tlc34076_reset(6);
@ -333,6 +343,7 @@ static MACHINE_DRIVER_START( btoads )
MDRV_CPU_IO_MAP(sound_io_map,0)
MDRV_CPU_PERIODIC_INT(irq0_line_assert, 183)
MDRV_MACHINE_START(btoads)
MDRV_MACHINE_RESET(btoads)
MDRV_NVRAM_HANDLER(generic_1fill)
@ -384,4 +395,4 @@ ROM_END
*
*************************************/
GAME( 1994, btoads, 0, btoads, btoads, 0, ROT0, "Rare", "Battle Toads", 0 )
GAME( 1994, btoads, 0, btoads, btoads, 0, ROT0, "Rare", "Battle Toads", GAME_SUPPORTS_SAVE )

109
src/mame/video/btoads.c
View File

@ -29,9 +29,9 @@ UINT16 *btoads_sprite_control;
static UINT8 *vram_fg_draw, *vram_fg_display;
static int xscroll0, yscroll0;
static int xscroll1, yscroll1;
static int screen_control;
static INT32 xscroll0, yscroll0;
static INT32 xscroll1, yscroll1;
static UINT8 screen_control;
static UINT16 sprite_source_offs;
static UINT8 *sprite_dest_base;
@ -52,6 +52,16 @@ VIDEO_START( btoads )
/* initialize the swapped pointers */
vram_fg_draw = (UINT8 *)btoads_vram_fg0;
vram_fg_display = (UINT8 *)btoads_vram_fg1;
state_save_register_global(xscroll0);
state_save_register_global(xscroll1);
state_save_register_global(yscroll0);
state_save_register_global(yscroll1);
state_save_register_global(screen_control);
state_save_register_global(sprite_source_offs);
state_save_register_global(sprite_dest_offs);
state_save_register_global(misc_control);
}
@ -340,43 +350,55 @@ void btoads_scanline_update(running_machine *machine, int screen, mame_bitmap *b
UINT16 *dst = BITMAP_ADDR16(bitmap, scanline, 0);
int coladdr = fulladdr & 0x3ff;
int x;
if (BT_DEBUG)
popmessage("screen_control = %02X", screen_control);
/* for each scanline, switch off the render mode */
switch (screen_control & 3)
{
/* mode 0: used in ship level, snake boss, title screen (free play) */
/* priority is:
1. BG1 pixels with the high bit set
2. Sprites
3. BG1
4. BG0
*/
case 0:
/* mode 2: used in EOA screen, jetpack level, first level, high score screen */
case 2:
for (x = params->heblnk; x < params->hsblnk; x += 2, coladdr++)
{
UINT16 bg0pix = bg0_base[(coladdr + xscroll0) & 0xff];
UINT16 bg1pix = bg1_base[(coladdr + xscroll1) & 0xff];
UINT8 sprpix = spr_base[coladdr & 0xff];
if (sprpix)
{
if (bg1pix & 0x80)
dst[x + 0] = bg1pix & 0xff;
else if (sprpix)
dst[x + 0] = sprpix;
dst[x + 1] = sprpix;
}
else if (bg1pix & 0xff)
dst[x + 0] = bg1pix & 0xff;
else
{
UINT16 bg0pix = bg0_base[(coladdr + xscroll0) & 0xff];
UINT16 bg1pix = bg1_base[(coladdr + xscroll1) & 0xff];
dst[x + 0] = bg0pix & 0xff;
if (bg1pix & 0xff)
dst[x + 0] = bg1pix & 0xff;
else
dst[x + 0] = bg0pix & 0xff;
if (bg1pix >> 8)
dst[x + 1] = bg1pix >> 8;
else
dst[x + 1] = bg0pix >> 8;
}
if (bg1pix & 0x8000)
dst[x + 1] = bg1pix >> 8;
else if (sprpix)
dst[x + 1] = sprpix;
else if (bg1pix >> 8)
dst[x + 1] = bg1pix >> 8;
else
dst[x + 1] = bg0pix >> 8;
}
break;
/* mode 1: used in snow level, title screen (free play), top part of rolling ball level */
/* priority is:
1. Sprite pixels with high bit clear
2. BG0
3. BG1 pixels with high bit set
4. Sprite pixels with high bit set
5. BG1
*/
case 1:
for (x = params->heblnk; x < params->hsblnk; x += 2, coladdr++)
{
@ -413,7 +435,48 @@ void btoads_scanline_update(running_machine *machine, int screen, mame_bitmap *b
}
break;
/* mode 2: used in EOA screen, jetpack level, first level, high score screen */
/* priority is:
1. Sprites
2. BG1
3. BG0
*/
case 2:
for (x = params->heblnk; x < params->hsblnk; x += 2, coladdr++)
{
UINT8 sprpix = spr_base[coladdr & 0xff];
if (sprpix)
{
dst[x + 0] = sprpix;
dst[x + 1] = sprpix;
}
else
{
UINT16 bg0pix = bg0_base[(coladdr + xscroll0) & 0xff];
UINT16 bg1pix = bg1_base[(coladdr + xscroll1) & 0xff];
if (bg1pix & 0xff)
dst[x + 0] = bg1pix & 0xff;
else
dst[x + 0] = bg0pix & 0xff;
if (bg1pix >> 8)
dst[x + 1] = bg1pix >> 8;
else
dst[x + 1] = bg0pix >> 8;
}
}
break;
/* mode 3: used in toilet level, toad intros, bottom of rolling ball level */
/* priority is:
1. BG1 pixels with the high bit set
2. Sprite pixels with the high bit set
3. BG1
4. Sprites
5. BG0
*/
case 3:
for (x = params->heblnk; x < params->hsblnk; x += 2, coladdr++)
{