Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-29 00:53:09 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

Haze: readded tile flips, not worth mentioning

Browse Source
This commit is contained in:
Angelo Salese 2010-03-20 15:03:55 +00:00
parent 6d7fed09be
commit b4042c5084
1 changed files with 21 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
src/mame/video/metro.c
View File

@ -147,8 +147,9 @@ static TILEMAP_MAPPER( tilemap_scan_gstrik2 )
#define WIN_NX (0x40)
#define WIN_NY (0x20)
// returns if to draw the pixel or not, pixel colour is placed in pix/
// todo: readd tile flips
// this looks up a single pixel in a tile, given the code
// the metro hardware has an indirection table, which is used here
// returns if to draw the pixel or not, pixel colour is placed in pix
INLINE UINT8 get_tile_pix( running_machine *machine, UINT16 code, UINT8 x, UINT8 y, int big, UINT16* pix )
{
metro_state *state = (metro_state *)machine->driver_data;
@ -188,10 +189,10 @@ INLINE UINT8 get_tile_pix( running_machine *machine, UINT16 code, UINT8 x, UINT8
switch (flipxy)
{
default:
case 0x0: *pix = data[(y * (big?16:8)) + x];
// case 0x1: pix = data[((7-y) * 8) + x];
// case 0x2: pix = data[(y * 8) + (7-x)];
// case 0x3: pix = data[((7-y) * 8) + (7-x)];
case 0x0: *pix = data[(y * (big?16:8)) + x]; break;
case 0x1: *pix = data[(((big?15:7)-y) * (big?16:8)) + x]; break;
case 0x2: *pix = data[(y * (big?16:8)) + ((big?15:7)-x)]; break;
case 0x3: *pix = data[(((big?15:7)-y) * (big?16:8)) + ((big?15:7)-x)]; break;
}
*pix |= ((((tile & 0x0f000000) >> 24) + 0x10)*0x100);
@ -209,7 +210,6 @@ INLINE UINT8 get_tile_pix( running_machine *machine, UINT16 code, UINT8 x, UINT8
((tile & 0xfffff) + (code & 0xf));
const UINT8* data;
UINT8 flipxy = (code & 0x6000) >> 13;
//UINT16 pix;
if (tile2 < gfx1->total_elements)
data = gfx_element_get_data(gfx1, tile2);
@ -223,14 +223,22 @@ INLINE UINT8 get_tile_pix( running_machine *machine, UINT16 code, UINT8 x, UINT8
switch (flipxy)
{
default:
case 0x0: *pix = data[(y * (big?8:4)) + (x>>1)];
// case 0x1: pix = data[((7-y) * 4) + x];
// case 0x2: pix = data[(y * 8) + (7-x)];
// case 0x3: pix = data[((7-y) * 8) + (7-x)];
case 0x0: *pix = data[(y * (big?8:4)) + (x>>1)]; break;
case 0x1: *pix = data[(((big?15:7)-y) * (big?8:4)) + (x>>1)]; break;
case 0x2: *pix = data[(y * (big?8:4)) + ((big?7:3)-(x>>1))]; break;
case 0x3: *pix = data[(((big?15:7)-y) * (big?8:4)) + ((big?7:3)-(x>>1))]; break;
}
if (x&1) *pix >>= 4;
else *pix &= 0xf;
if (!(flipxy&2))
{
if (x&1) *pix >>= 4;
else *pix &= 0xf;
}
else
{
if (x&1) *pix &= 0xf;
else *pix >>= 4;
}
*pix |= (((((tile & 0x0ff00000) >> 20)) + 0x100)*0x10);