/***************************************************************************
video.c
Functions to emulate the video hardware of the machine.
***************************************************************************/
#include "emu.h"
#include "includes/goldstar.h"
/***************************************************************************
Start the video hardware emulation.
***************************************************************************/
WRITE8_HANDLER( cm_girl_scroll_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_cm_girl_scroll = data;
/*
xxxx ---- yscroll
---- xxxx xscroll
this isn't very fine scrolling, but i see no other registers.
1000 1000 is the center of the screen.
*/
}
WRITE8_HANDLER( cm_outport0_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_cm_enable_reg = data;
/*
---- ---x (global enable or irq enable?)
---- --x- (fg enable)
---- -x-- (girl enable?)
---- x--- (reels enable)
xxxx ---- unused?
*/
//popmessage("%02x",data);
}
WRITE8_HANDLER( goldstar_fg_vidram_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_fg_vidram[offset] = data;
tilemap_mark_tile_dirty(state->m_fg_tilemap,offset);
}
WRITE8_HANDLER( goldstar_fg_atrram_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_fg_atrram[offset] = data;
tilemap_mark_tile_dirty(state->m_fg_tilemap,offset);
}
static TILE_GET_INFO( get_goldstar_fg_tile_info )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
int code = state->m_fg_vidram[tile_index];
int attr = state->m_fg_atrram[tile_index];
SET_TILE_INFO(
0,
code | (attr & 0xf0)<<4,
attr&0x0f,
0);
}
static TILE_GET_INFO( get_magical_fg_tile_info )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
int code = state->m_fg_vidram[tile_index];
int attr = state->m_fg_atrram[tile_index];
SET_TILE_INFO(
0,
(code | (attr & 0xf0)<<4)+state->m_tile_bank*0x1000,
attr&0x0f,
0);
}
// colour / high tile bits are swapped around
static TILE_GET_INFO( get_cherrym_fg_tile_info )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
int code = state->m_fg_vidram[tile_index];
int attr = state->m_fg_atrram[tile_index];
SET_TILE_INFO(
0,
code | (attr & 0x0f)<<8,
(attr&0xf0)>>4,
0);
}
WRITE8_HANDLER( goldstar_reel1_ram_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_reel1_ram[offset] = data;
tilemap_mark_tile_dirty(state->m_reel1_tilemap,offset);
}
static TILE_GET_INFO( get_goldstar_reel1_tile_info )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
int code = state->m_reel1_ram[tile_index];
SET_TILE_INFO(
1,
code,
state->m_bgcolor,
0);
}
WRITE8_HANDLER( goldstar_reel2_ram_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_reel2_ram[offset] = data;
tilemap_mark_tile_dirty(state->m_reel2_tilemap,offset);
}
static TILE_GET_INFO( get_goldstar_reel2_tile_info )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
int code = state->m_reel2_ram[tile_index];
SET_TILE_INFO(
1,
code,
state->m_bgcolor,
0);
}
WRITE8_HANDLER( goldstar_reel3_ram_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_reel3_ram[offset] = data;
tilemap_mark_tile_dirty(state->m_reel3_tilemap,offset);
}
static TILE_GET_INFO( get_goldstar_reel3_tile_info )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
int code = state->m_reel3_ram[tile_index];
SET_TILE_INFO(
1,
code,
state->m_bgcolor,
0);
}
WRITE8_HANDLER( unkch_reel1_attrram_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_reel1_attrram[offset] = data;
tilemap_mark_tile_dirty(state->m_reel1_tilemap,offset);
}
WRITE8_HANDLER( unkch_reel2_attrram_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_reel2_attrram[offset] = data;
tilemap_mark_tile_dirty(state->m_reel2_tilemap,offset);
}
WRITE8_HANDLER( unkch_reel3_attrram_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
state->m_reel3_attrram[offset] = data;
tilemap_mark_tile_dirty(state->m_reel3_tilemap,offset);
}
static TILE_GET_INFO( get_unkch_reel1_tile_info )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
int code = state->m_reel1_ram[tile_index];
int attr = state->m_reel1_attrram[tile_index];
SET_TILE_INFO(
1,
code | (attr & 0x0f)<<8,
(attr&0xf0)>>4,
0);
}
static TILE_GET_INFO( get_unkch_reel2_tile_info )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
int code = state->m_reel2_ram[tile_index];
int attr = state->m_reel2_attrram[tile_index];
SET_TILE_INFO(
1,
code | (attr & 0x0f)<<8,
(attr&0xf0)>>4,
0);
}
static TILE_GET_INFO( get_unkch_reel3_tile_info )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
int code = state->m_reel3_ram[tile_index];
int attr = state->m_reel3_attrram[tile_index];
SET_TILE_INFO(
1,
code | (attr & 0x0f)<<8,
(attr&0xf0)>>4,
0);
}
VIDEO_START( goldstar )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
state->m_reel1_tilemap = tilemap_create(machine,get_goldstar_reel1_tile_info,tilemap_scan_rows,8,32, 64, 8);
state->m_reel2_tilemap = tilemap_create(machine,get_goldstar_reel2_tile_info,tilemap_scan_rows,8,32, 64, 8);
state->m_reel3_tilemap = tilemap_create(machine,get_goldstar_reel3_tile_info,tilemap_scan_rows,8,32, 64, 8);
tilemap_set_scroll_cols(state->m_reel1_tilemap, 64);
tilemap_set_scroll_cols(state->m_reel2_tilemap, 64);
tilemap_set_scroll_cols(state->m_reel3_tilemap, 64);
state->m_fg_tilemap = tilemap_create(machine,get_goldstar_fg_tile_info,tilemap_scan_rows,8,8, 64, 32);
tilemap_set_transparent_pen(state->m_fg_tilemap,0);
// is there an enable reg for this game?
state->m_cm_enable_reg = 0x0b;
}
VIDEO_START( magical )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
state->m_reel1_tilemap = tilemap_create(machine,get_goldstar_reel1_tile_info,tilemap_scan_rows,8,32, 64, 8);
state->m_reel2_tilemap = tilemap_create(machine,get_goldstar_reel2_tile_info,tilemap_scan_rows,8,32, 64, 8);
state->m_reel3_tilemap = tilemap_create(machine,get_goldstar_reel3_tile_info,tilemap_scan_rows,8,32, 64, 8);
tilemap_set_scroll_cols(state->m_reel1_tilemap, 32);
tilemap_set_scroll_cols(state->m_reel2_tilemap, 32);
tilemap_set_scroll_cols(state->m_reel3_tilemap, 32);
state->m_fg_tilemap = tilemap_create(machine,get_magical_fg_tile_info,tilemap_scan_rows,8,8, 64, 32);
tilemap_set_transparent_pen(state->m_fg_tilemap,0);
// is there an enable reg for this game?
state->m_cm_enable_reg = 0x0b;
}
VIDEO_START( unkch )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
state->m_reel1_tilemap = tilemap_create(machine,get_unkch_reel1_tile_info,tilemap_scan_rows,8,32, 64, 8);
state->m_reel2_tilemap = tilemap_create(machine,get_unkch_reel2_tile_info,tilemap_scan_rows,8,32, 64, 8);
state->m_reel3_tilemap = tilemap_create(machine,get_unkch_reel3_tile_info,tilemap_scan_rows,8,32, 64, 8);
tilemap_set_scroll_cols(state->m_reel1_tilemap, 32);
tilemap_set_scroll_cols(state->m_reel2_tilemap, 32);
tilemap_set_scroll_cols(state->m_reel3_tilemap, 32);
state->m_cmaster_girl_num = 0;
state->m_cmaster_girl_pal = 0;
state->m_unkch_vidreg = 0x00;
state->m_fg_tilemap = tilemap_create(machine,get_cherrym_fg_tile_info,tilemap_scan_rows,8,8, 64, 32);
tilemap_set_transparent_pen(state->m_fg_tilemap,0);
state->m_cm_enable_reg = 0x0b;
}
VIDEO_START( cherrym )
{
goldstar_state *state = machine.driver_data<goldstar_state>();
state->m_reel1_tilemap = tilemap_create(machine,get_goldstar_reel1_tile_info,tilemap_scan_rows,8,32, 64, 8);
state->m_reel2_tilemap = tilemap_create(machine,get_goldstar_reel2_tile_info,tilemap_scan_rows,8,32, 64, 8);
state->m_reel3_tilemap = tilemap_create(machine,get_goldstar_reel3_tile_info,tilemap_scan_rows,8,32, 64, 8);
tilemap_set_scroll_cols(state->m_reel1_tilemap, 64);
tilemap_set_scroll_cols(state->m_reel2_tilemap, 64);
tilemap_set_scroll_cols(state->m_reel3_tilemap, 64);
state->m_cmaster_girl_num = 0;
state->m_cmaster_girl_pal = 0;
state->m_fg_tilemap = tilemap_create(machine,get_cherrym_fg_tile_info,tilemap_scan_rows,8,8, 64, 32);
tilemap_set_transparent_pen(state->m_fg_tilemap,0);
state->m_cm_enable_reg = 0x0b;
}
WRITE8_HANDLER( goldstar_fa00_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
/* bit 1 toggles continuously - might be irq enable or watchdog reset */
/* bit 2 selects background gfx color (I think) */
state->m_bgcolor = (data & 0x04) >> 2;
tilemap_mark_all_tiles_dirty (state->m_reel1_tilemap);
tilemap_mark_all_tiles_dirty (state->m_reel2_tilemap);
tilemap_mark_all_tiles_dirty (state->m_reel3_tilemap);
}
WRITE8_HANDLER( cm_background_col_w )
{
goldstar_state *state = space->machine().driver_data<goldstar_state>();
//printf("cm_background_col_w %02x\n",data);
/* cherry master writes
so it's probably
0ggg cc00
where g is which girl to display and c is the colour palette
(note, this doesn't apply to the amcoe games which have no girls, I'm unsure how the priority/positioning works)
*/
state->m_cmaster_girl_num = (data >> 4)&0x7;
state->m_cmaster_girl_pal = (data >> 2)&0x3;
//bgcolor = (data & 0x03) >> 0;
// apparently some boards have this colour scheme?
// i'm not convinced it isn't just a different prom on them
#if 0
state->m_bgcolor = 0;
state->m_bgcolor |= (data & 0x01) << 1;
state->m_bgcolor |= (data & 0x02) >> 1;
#else
state->m_bgcolor = (data & 0x03) >> 0;
#endif
tilemap_mark_all_tiles_dirty (state->m_reel1_tilemap);
tilemap_mark_all_tiles_dirty (state->m_reel2_tilemap);
tilemap_mark_all_tiles_dirty (state->m_reel3_tilemap);
}
// are these hardcoded, or registers?
static const rectangle visible1 = { 0*8, (14+48)*8-1, 4*8, (4+7)*8-1 };
static const rectangle visible2 = { 0*8, (14+48)*8-1, 12*8, (12+7)*8-1 };
static const rectangle visible3 = { 0*8, (14+48)*8-1, 20*8, (20+7)*8-1 };
static const rectangle cm91_visible1 = { 0*8, (14+48)*8-1, 4*8, (4+7)*8-1 }; /* same start for reel1 */
static const rectangle cm91_visible2 = { 0*8, (14+48)*8-1, 11*8, (12+7)*8-1 }; /* 4 pixels less for reel2 */
static const rectangle cm91_visible3 = { 0*8, (14+48)*8-1, 19*8, (19+7)*8-1 }; /* 8 pixels less for reel3 */
static const rectangle am1a_visible1 = { 0*8, (14+48)*8-1, 4*8, (4+6)*8-1 };
static const rectangle am1a_visible2 = { 0*8, (14+48)*8-1, 10*8, (10+6)*8-1 };
static const rectangle am1a_visible3 = { 0*8, (14+48)*8-1, 16*8, (16+6)*8-1 };
static const rectangle unkch_visible1 = { 0*8, (14+48)*8-1, 3*8, (3+7)*8-1 };
static const rectangle unkch_visible2 = { 0*8, (14+48)*8-1, 10*8, (10+7)*8-1 };
static const rectangle unkch_visible3 = { 0*8, (14+48)*8-1, 17*8, (17+7)*8-1 };
static const rectangle magical_visible1 = { 0*8, (14+48)*8-1, 4*8, (4+8)*8-1 };
static const rectangle magical_visible2 = { 0*8, (14+48)*8-1, 12*8, (12+8)*8-1 };
static const rectangle magical_visible3 = { 0*8, (14+48)*8-1, 20*8, (20+8)*8-1 };
static const rectangle magical_visible1alt = { 0*8, (16+48)*8-1, 4*8, 16*8-1 };
static const rectangle magical_visible2alt = { 0*8, (16+48)*8-1, 16*8, 28*8-1 };
SCREEN_UPDATE( goldstar )
{
goldstar_state *state = screen->machine().driver_data<goldstar_state>();
int i;
bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine()));
if (!state->m_cm_enable_reg &0x01)
return 0;
if (state->m_cm_enable_reg &0x08)
{
for (i= 0;i < 64;i++)
{
tilemap_set_scrolly(state->m_reel1_tilemap, i, state->m_reel1_scroll[i]);
tilemap_set_scrolly(state->m_reel2_tilemap, i, state->m_reel2_scroll[i]);
tilemap_set_scrolly(state->m_reel3_tilemap, i, state->m_reel3_scroll[i]);
}
tilemap_draw(bitmap, &visible1, state->m_reel1_tilemap, 0, 0);
tilemap_draw(bitmap, &visible2, state->m_reel2_tilemap, 0, 0);
tilemap_draw(bitmap, &visible3, state->m_reel3_tilemap, 0, 0);
}
if (state->m_cm_enable_reg &0x04)
{
if (screen->machine().region("user1")->base())
{
const gfx_element *gfx = screen->machine().gfx[2];
int girlyscroll = (INT8)((state->m_cm_girl_scroll & 0xf0));
int girlxscroll = (INT8)((state->m_cm_girl_scroll & 0x0f)<<4);
drawgfxzoom_transpen(bitmap,cliprect,gfx,state->m_cmaster_girl_num,state->m_cmaster_girl_pal,0,0,-(girlxscroll*2),-(girlyscroll), 0x20000, 0x10000,0);
}
}
if (state->m_cm_enable_reg &0x02)
{
tilemap_draw(bitmap,cliprect, state->m_fg_tilemap, 0, 0);
}
return 0;
}
SCREEN_UPDATE( magical )
{
goldstar_state *state = screen->machine().driver_data<goldstar_state>();
int i;
bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine()));
if (!state->m_cm_enable_reg &0x01)
return 0;
if (state->m_cm_enable_reg &0x08)
{
// guess, could be wrong, but different screens clearly need different reel layouts
if (state->m_unkch_vidreg & 2)
{
for (i= 0;i < 32;i++)
{
tilemap_set_scrolly(state->m_reel1_tilemap, i, state->m_reel1_scroll[i*2]);
tilemap_set_scrolly(state->m_reel2_tilemap, i, state->m_reel2_scroll[i*2]);
// tilemap_set_scrolly(state->m_reel3_tilemap, i, state->m_reel3_scroll[i*2]);
}
tilemap_draw(bitmap, &magical_visible1alt, state->m_reel1_tilemap, 0, 0);
tilemap_draw(bitmap, &magical_visible2alt, state->m_reel2_tilemap, 0, 0);
//tilemap_draw(bitmap, &magical_visible3, state->m_reel3_tilemap, 0, 0);
}
else
{
for (i= 0;i < 32;i++)
{
tilemap_set_scrolly(state->m_reel1_tilemap, i, state->m_reel1_scroll[i*2]);
tilemap_set_scrolly(state->m_reel2_tilemap, i, state->m_reel2_scroll[i*2]);
tilemap_set_scrolly(state->m_reel3_tilemap, i, state->m_reel3_scroll[i*2]);
}
tilemap_draw(bitmap, &magical_visible1, state->m_reel1_tilemap, 0, 0);
tilemap_draw(bitmap, &magical_visible2, state->m_reel2_tilemap, 0, 0);
tilemap_draw(bitmap, &magical_visible3, state->m_reel3_tilemap, 0, 0);
}
}
if (state->m_cm_enable_reg &0x02)
{
tilemap_draw(bitmap,cliprect, state->m_fg_tilemap, 0, 0);
}
return 0;
}
SCREEN_UPDATE( unkch )
{
goldstar_state *state = screen->machine().driver_data<goldstar_state>();
int i;
bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine()));
if (!state->m_cm_enable_reg &0x01)
return 0;
if (state->m_cm_enable_reg &0x08)
{
// guess, this could be something else completely!!
// only draw the first 'reels' tilemap, but fullscreen, using alt registers? (or no scrolling at all? - doubtful, see girl)
if (state->m_unkch_vidreg & 0x40)
{
for (i= 0;i < 32;i++)
{
tilemap_set_scrolly(state->m_reel1_tilemap, i, -0x08/*state->m_reel1_scroll[(i*2)+1]*/);
// tilemap_set_scrolly(state->m_reel2_tilemap, i, state->m_reel2_scroll[(i*2)+1]);
// tilemap_set_scrolly(state->m_reel3_tilemap, i, state->m_reel3_scroll[(i*2)+1]);
}
tilemap_draw(bitmap, cliprect, state->m_reel1_tilemap, 0, 0);
}
// or draw the reels normally?
else
{
for (i= 0;i < 32;i++)
{
tilemap_set_scrolly(state->m_reel1_tilemap, i, state->m_reel1_scroll[i*2]);
tilemap_set_scrolly(state->m_reel2_tilemap, i, state->m_reel2_scroll[i*2]);
tilemap_set_scrolly(state->m_reel3_tilemap, i, state->m_reel3_scroll[i*2]);
}
tilemap_draw(bitmap, &unkch_visible1, state->m_reel1_tilemap, 0, 0);
tilemap_draw(bitmap, &unkch_visible2, state->m_reel2_tilemap, 0, 0);
tilemap_draw(bitmap, &unkch_visible3, state->m_reel3_tilemap, 0, 0);
}
}
if (state->m_cm_enable_reg &0x02)
{
tilemap_draw(bitmap,cliprect, state->m_fg_tilemap, 0, 0);
}
return 0;
}
SCREEN_UPDATE( cmast91 )
{
goldstar_state *state = screen->machine().driver_data<goldstar_state>();
int i;
bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine()));
if (!state->m_cm_enable_reg &0x01)
return 0;
if (state->m_cm_enable_reg &0x08)
{
for (i= 0;i < 64;i++)
{
tilemap_set_scrolly(state->m_reel1_tilemap, i, state->m_reel1_scroll[i]);
tilemap_set_scrolly(state->m_reel2_tilemap, i, state->m_reel2_scroll[i]);
tilemap_set_scrolly(state->m_reel3_tilemap, i, state->m_reel3_scroll[i]);
}
tilemap_draw(bitmap, &cm91_visible1, state->m_reel1_tilemap, 0, 0);
tilemap_draw(bitmap, &cm91_visible2, state->m_reel2_tilemap, 0, 0);
tilemap_draw(bitmap, &cm91_visible3, state->m_reel3_tilemap, 0, 0);
}
if (state->m_cm_enable_reg &0x02)
{
tilemap_draw(bitmap, cliprect, state->m_fg_tilemap, 0, 0);
}
return 0;
}
SCREEN_UPDATE( amcoe1a )
{
goldstar_state *state = screen->machine().driver_data<goldstar_state>();
int i;
bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine()));
if (!state->m_cm_enable_reg &0x01)
return 0;
if (state->m_cm_enable_reg &0x08)
{
for (i= 0;i < 64;i++)
{
tilemap_set_scrolly(state->m_reel1_tilemap, i, state->m_reel1_scroll[i]);
tilemap_set_scrolly(state->m_reel2_tilemap, i, state->m_reel2_scroll[i]);
tilemap_set_scrolly(state->m_reel3_tilemap, i, state->m_reel3_scroll[i]);
}
tilemap_draw(bitmap, &am1a_visible1, state->m_reel1_tilemap, 0, 0);
tilemap_draw(bitmap, &am1a_visible2, state->m_reel2_tilemap, 0, 0);
tilemap_draw(bitmap, &am1a_visible3, state->m_reel3_tilemap, 0, 0);
}
if (state->m_cm_enable_reg &0x04)
{
// no girls
}
if (state->m_cm_enable_reg &0x02)
{
tilemap_draw(bitmap, cliprect, state->m_fg_tilemap, 0, 0);
}
return 0;
}