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Toaplan2: Removed tile limit hack, not needed now since VDP is mixed properly [David Haywood]

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This commit is contained in:
Angelo Salese 2010-08-21 19:50:40 +00:00
parent 15e1bc9b2e
commit 8987e6dfdc
3 changed files with 0 additions and 26 deletions
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18
src/mame/video/gp9001.c
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@ -251,13 +251,6 @@ static TILE_GET_INFO_DEVICE( get_top0_tile_info )
{
tile_number = ( vdp->gp9001_gfxrom_bank[(tile_number >> 13) & 7] << 13 ) | ( tile_number & 0x1fff );
}
else
{
if (tile_number>vdp->tile_limit)
{
tile_number = 0;
}
}
color = attrib & 0x0fff; // 0x0f00 priority, 0x007f colour
SET_TILE_INFO_DEVICE(
@ -285,11 +278,6 @@ static TILE_GET_INFO_DEVICE( get_fg0_tile_info )
{
tile_number = ( vdp->gp9001_gfxrom_bank[(tile_number >> 13) & 7] << 13 ) | ( tile_number & 0x1fff );
}
else
{
if (tile_number>vdp->tile_limit) tile_number = 0;
}
color = attrib & 0x0fff; // 0x0f00 priority, 0x007f colour
SET_TILE_INFO_DEVICE(
@ -313,10 +301,6 @@ static TILE_GET_INFO_DEVICE( get_bg0_tile_info )
{
tile_number = ( vdp->gp9001_gfxrom_bank[(tile_number >> 13) & 7] << 13 ) | ( tile_number & 0x1fff );
}
else
{
if (tile_number>vdp->tile_limit) tile_number = 0;
}
color = attrib & 0x0fff; // 0x0f00 priority, 0x007f colour
SET_TILE_INFO_DEVICE(
@ -404,8 +388,6 @@ void gp9001vdp_device::device_reset()
top_flip = 0;
sprite_flip = 0;
tile_limit = 0xffff;
/* debug */
display_bg = 1;
display_fg = 1;

1
src/mame/video/gp9001.h
View File

@ -50,7 +50,6 @@ public:
UINT8 top_flip;
UINT8 sprite_flip;
UINT16 tile_limit; // prevent bad tile in Batsugun, might be something like the CPS1 tile addressing limits?
int tile_region; // we also use this to figure out which vdp we're using in some debug logging features
tilemap_t *top_tilemap, *fg_tilemap, *bg_tilemap;

7
src/mame/video/toaplan2.c
View File

@ -510,9 +510,6 @@ VIDEO_UPDATE( batrider )
/* How do the dual VDP games mix? The internal mixing of each VDP chip is independent, if you view only a single
VDP then the priorities for that VDP are correct, however, it is completely unclear how the priorities of the
two VDPs should actually mix together, as a result these games are broken for now. */
VIDEO_UPDATE( dogyuun )
{
#ifdef DUAL_SCREEN_VDPS
@ -526,10 +523,6 @@ VIDEO_UPDATE( dogyuun )
VIDEO_UPDATE( batsugun )
{
toaplan2_state *state = screen->machine->driver_data<toaplan2_state>();
state->vdp1->tile_limit = 0x1fff; // 0x2000-0x3fff seem to be for sprites only? (corruption on level 1 otherwise)
#ifdef DUAL_SCREEN_VDPS
VIDEO_UPDATE_CALL( toaplan2 );
#else