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Hacked around the mask screen thing (any idea here is welcome)

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This commit is contained in:
Angelo Salese 2011-08-24 02:25:15 +00:00
parent b9924e9b22
commit d25ed31d97
2 changed files with 38 additions and 26 deletions
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8
src/mame/drivers/taito_f3.c
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@ -28,10 +28,10 @@
Taito custom chips on motherboard:
TC0630 FDP - Playfield generator? (Nearest tile roms)
TC0640 FI0 - I/O & watchdog?
TC0650 FDA - Priority mixer? (Near paletteram & video output)
TC0660 FCM - Sprites? (Nearest sprite roms)
TC0630FDP - Playfield generator? (Nearest tile roms)
TC0640FIO - I/O & watchdog?
TC0650FDA - Priority mixer? (Near paletteram & video output)
TC0660FCM - Sprites? (Nearest sprite roms)
***************************************************************************/

56
src/mame/video/taitojc.c
View File

@ -184,14 +184,21 @@ static void draw_object(running_machine &machine, bitmap_t *bitmap, const rectan
/* this bit seems to set up border at left/right of screen (reads at 0xffc00) */
if(mask_screen)
{
if(address != 0xffc00)
{
popmessage("mask screen with %08x, contact MAMEdev",address);
return;
}
for (j=y1; j < y2; j++)
{
UINT16 *d = BITMAP_ADDR16(bitmap, j, 0);
//int index = (iy * (width / 8)) + ix;
UINT8 pen = state->m_objlist[(address-0xff000)/4];
for (i=x1; i < x2; i++)
{
d[i] = v[0];
d[i] = pen;
//index++;
}
@ -210,14 +217,12 @@ static void draw_object(running_machine &machine, bitmap_t *bitmap, const rectan
{
UINT8 pen = (v[BYTE4_XOR_BE(index)] & 0xf0) >> 4;
if (pen != 0)
{
d[i] = palette + pen;
}
pen = (v[BYTE4_XOR_BE(index)] & 0x0f);
if (pen != 0)
{
d[i+1] = palette + pen;
}
index++;
}
@ -226,23 +231,25 @@ static void draw_object(running_machine &machine, bitmap_t *bitmap, const rectan
}
else // 8bpp
{
for (j=y1; j < y2; j++)
{
UINT16 *d = BITMAP_ADDR16(bitmap, j, 0);
int index = (iy * width) + ix;
for (i=x1; i < x2; i++)
for (j=y1; j < y2; j++)
{
UINT8 pen = v[BYTE4_XOR_BE(index)];
if (pen != 0)
UINT16 *d = BITMAP_ADDR16(bitmap, j, 0);
int index = (iy * width) + ix;
for (i=x1; i < x2; i++)
{
d[i] = palette + pen;
UINT8 pen = v[BYTE4_XOR_BE(index)];
if (pen != 0)
{
d[i] = palette + pen;
}
index++;
}
index++;
iy++;
}
iy++;
}
}
}
@ -291,18 +298,21 @@ static void draw_object_bank(running_machine &machine, bitmap_t *bitmap, const r
{
taitojc_state *state = machine.driver_data<taitojc_state>();
UINT16 start_offs;
// UINT8 double_xy;
int i;
start_offs = ((bank_type+1)*0x400)/4;
// double_xy = (state->m_objlist[(0xd1c+bank_type*0x10)/4] & 0x20000000) >> 29;
/* probably a core bug in there (otherwise objects sticks on screen in Densya de Go) */
if(bank_type == 1 && (!(state->m_objlist[0xfc4/4] & 0x2000)))
return;
for (i=start_offs-2; i >= (start_offs-0x400/4); i-=2)
{
UINT32 w1 = state->m_objlist[i + 0];
UINT32 w2 = state->m_objlist[i + 1];
//if(i < 6) // don't try to draw non-video stuff
// return;
if (((w2 & 0x200000) >> 21) == pri)
{
draw_object(machine, bitmap, cliprect, w1, w2, bank_type);
@ -338,12 +348,14 @@ SCREEN_UPDATE( taitojc )
//popmessage("%08x %08x %08x %08x",state->m_objlist[0xd20/4],state->m_objlist[0xd24/4],state->m_objlist[0xd28/4],state->m_objlist[0xd2c/4]);
draw_object_bank(screen->machine(), bitmap, cliprect, ((state->m_objlist[0xfc4/4] & 0x2000) >> 13), 0);
draw_object_bank(screen->machine(), bitmap, cliprect, 0, 0);
draw_object_bank(screen->machine(), bitmap, cliprect, 1, 0);
draw_object_bank(screen->machine(), bitmap, cliprect, 2, 0);
copybitmap_trans(bitmap, state->m_framebuffer, 0, 0, 0, 0, cliprect, 0);
draw_object_bank(screen->machine(), bitmap, cliprect, ((state->m_objlist[0xfc4/4] & 0x2000) >> 13), 1);
draw_object_bank(screen->machine(), bitmap, cliprect, 0, 1);
draw_object_bank(screen->machine(), bitmap, cliprect, 1, 1);
draw_object_bank(screen->machine(), bitmap, cliprect, 2, 1);
tilemap_draw(bitmap, cliprect, state->m_tilemap, 0,0);