mirror of
https://github.com/holub/mame
synced 2025-06-03 19:36:26 +03:00
snk.c rewrite (WIP)
TNK3, Athena, Fighting Golf, Country Club converted to tilemaps removed hacks proper memory maps screen flip / cocktail mode support dip locations better implementation of sound CPU communication hooked sound cpu interrupts to YM chips fitegolf hax 1xYM3812, not 2xYM3526
This commit is contained in:
Nicola Salmoria
parent
565b5532a7
commit
c6e6c95244
1
.gitattributes
vendored
1
.gitattributes
vendored
@ -3202,6 +3202,7 @@ src/mame/video/senjyo.c svneol=native#text/plain
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src/mame/video/seta.c svneol=native#text/plain
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src/mame/video/seta2.c svneol=native#text/plain
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src/mame/video/sf.c svneol=native#text/plain
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src/mame/video/sgladiat.c svneol=native#text/plain
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src/mame/video/shadfrce.c svneol=native#text/plain
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src/mame/video/shangha3.c svneol=native#text/plain
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src/mame/video/shangkid.c svneol=native#text/plain
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@ -314,6 +314,62 @@ static void aso_draw_sprites(bitmap_t *bitmap, const rectangle *cliprect, int sc
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}
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}
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static void tnk3_draw_text(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int bank, UINT8 *source )
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{
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const gfx_element *gfx = machine->gfx[0];
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int tile_number, color, sx, sy;
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int x, y;
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for(x=0; x<32; x++) for(y=0; y<32; y++)
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{
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tile_number = source[(x<<5)+y];
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if(tile_number == 0x20 || tile_number == 0xff) continue;
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if(bank == -1) color = 8;
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else
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{
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color = tile_number >> 5;
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tile_number |= bank << 8;
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}
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sx = (x+2) << 3;
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sy = (y+1) << 3;
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drawgfx(bitmap,gfx,tile_number,color,0,0,sx,sy,cliprect,TRANSPARENCY_PEN,15);
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}
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}
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static void tnk3_draw_status_main(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int bank, UINT8 *source, int start )
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{
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const gfx_element *gfx = machine->gfx[0];
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int tile_number, color, sx, sy;
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int x, y;
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for(x = start; x < start+2; x++) for(y = 0; y < 32; y++)
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{
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tile_number = source[(x<<5)+y];
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if(bank == -1) color = 8;
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else
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{
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color = tile_number >> 5;
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tile_number |= (bank << 8);
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}
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sx = ((x+34)&0x3f) << 3;
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sy = (y+1) << 3;
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drawgfx(bitmap,gfx,tile_number,color,0,0,sx,sy,cliprect,TRANSPARENCY_NONE,0);
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}
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}
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static void tnk3_draw_status(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int bank, UINT8 *source )
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{
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tnk3_draw_status_main(machine,bitmap,cliprect,bank,source, 0);
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tnk3_draw_status_main(machine,bitmap,cliprect,bank,source,30);
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}
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static VIDEO_UPDATE( aso )
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{
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int attr, msbs, spsy, spsx, bgsy, bgsx, bank, i;
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File diff suppressed because it is too large
Load Diff
@ -24,21 +24,30 @@ extern int snk_irq_delay;
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/*----------- defined in video/snk.c -----------*/
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extern PALETTE_INIT( tnk3 );
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extern VIDEO_START( tnk3 );
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extern VIDEO_START( ikari );
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extern VIDEO_START( snk );
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extern VIDEO_START( snk_3bpp_shadow );
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extern VIDEO_START( snk_4bpp_shadow );
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extern VIDEO_START( sgladiat );
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extern VIDEO_UPDATE( tnk3 );
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extern VIDEO_UPDATE( athena );
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extern VIDEO_UPDATE( ikari );
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extern VIDEO_UPDATE( tdfever );
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extern VIDEO_UPDATE( gwar );
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extern VIDEO_UPDATE( sgladiat );
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void tnk3_draw_text( running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int bank, UINT8 *source );
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void tnk3_draw_status( running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int bank, UINT8 *source );
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extern WRITE8_HANDLER( tnk3_videoattrs_w );
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extern WRITE8_HANDLER( tnk3_sp_scrolly_w );
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extern WRITE8_HANDLER( tnk3_sp_scrollx_w );
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extern WRITE8_HANDLER( tnk3_bg_scrolly_w );
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extern WRITE8_HANDLER( tnk3_bg_scrollx_w );
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extern UINT8 *tnk3_fg_videoram;
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extern UINT8 *tnk3_bg_videoram;
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extern WRITE8_HANDLER( tnk3_fg_videoram_w );
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extern WRITE8_HANDLER( tnk3_bg_videoram_w );
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/*----------- defined in drivers/hal21.c -----------*/
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@ -1268,7 +1268,7 @@ $(MAMEOBJ)/snk.a: \
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$(DRIVERS)/munchmo.o $(VIDEO)/munchmo.o \
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$(DRIVERS)/prehisle.o $(VIDEO)/prehisle.o \
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$(DRIVERS)/rockola.o $(AUDIO)/rockola.o $(VIDEO)/rockola.o \
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$(DRIVERS)/sgladiat.o \
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$(DRIVERS)/sgladiat.o $(VIDEO)/sgladiat.o \
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$(DRIVERS)/snk.o $(VIDEO)/snk.o \
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$(DRIVERS)/snk68.o $(VIDEO)/snk68.o \
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@ -5471,7 +5471,7 @@ BOMULEUL CHAJARA SEGA ST-V 1997/04/11
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DRIVER( athena ) /* 'UP' (c) 1986 */
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DRIVER( fitegolf ) /* 'GU' (c) 1988 */
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DRIVER( fitegol2 ) /* 'GU' (c) 1988 */
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DRIVER( countryc ) /* 'CC' (c) 1988 */
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DRIVER( countryc ) /* A7004 'CC' (c) 1988 */
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DRIVER( ikari ) /* A5004 'IW' (c) 1986 */
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DRIVER( ikarijp ) /* A5004 'IW' (c) 1986 (Japan) */
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DRIVER( ikarijpb ) /* bootleg */
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111
src/mame/video/sgladiat.c
Normal file
111
src/mame/video/sgladiat.c
Normal file
@ -0,0 +1,111 @@
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#include "driver.h"
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#include "snk.h"
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VIDEO_START( sgladiat )
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{
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tmpbitmap = auto_bitmap_alloc(512, 256, video_screen_get_format(machine->primary_screen));
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}
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static void sgladiat_draw_background(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int scrollx, int scrolly )
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{
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const gfx_element *gfx = machine->gfx[1];
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int tile_number, color, sx, sy;
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int offs, x, y;
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for(x = 0; x < 64; x++) for(y = 0; y < 32; y++)
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{
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offs = (x<<5)+y;
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tile_number = videoram[offs];
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color = 0;
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sx = x << 3;
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sy = y << 3;
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drawgfx(tmpbitmap,gfx,tile_number,color,0,0,sx,sy,0,TRANSPARENCY_NONE,0);
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}
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copyscrollbitmap(bitmap,tmpbitmap,1,&scrollx,1,&scrolly,cliprect);
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}
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static void tnk3_draw_text(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int bank, UINT8 *source )
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{
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const gfx_element *gfx = machine->gfx[0];
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int tile_number, color, sx, sy;
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int x, y;
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for(x=0; x<32; x++) for(y=0; y<32; y++)
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{
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tile_number = source[(x<<5)+y];
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if(bank == -1) color = 8;
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else
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{
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color = tile_number >> 5;
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tile_number |= bank << 8;
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}
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sx = (x+2) << 3;
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sy = (y+1) << 3;
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drawgfx(bitmap,gfx,tile_number,color,0,0,sx,sy,cliprect,TRANSPARENCY_PEN,15);
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}
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}
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static void tnk3_draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int xscroll, int yscroll )
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{
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const gfx_element *gfx = machine->gfx[2];
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int tile_number, attributes, color, sx, sy;
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int yflip;
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int offs;
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for(offs = 0; offs < 50*4; offs+=4)
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{
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if(*(UINT32*)(spriteram+offs) == 0 || *(UINT32*)(spriteram+offs) == -1) continue;
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tile_number = spriteram[offs+1];
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attributes = spriteram[offs+3]; /* YBFX.CCCC */
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if(attributes & 0x40) tile_number |= 256;
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color = attributes & 0xf;
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sx = xscroll - spriteram[offs+2];
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if(!(attributes & 0x80)) sx += 256;
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sy = -yscroll + spriteram[offs];
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if(attributes & 0x10) sy += 256;
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sx &= 0x1ff;
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sy &= 0x1ff;
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if (sx > 512-16) sx -= 512;
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if (sy > 512-16) sy -= 512;
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yflip = attributes & 0x20;
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drawgfx(bitmap,gfx,tile_number,color,0,yflip,sx,sy,cliprect,TRANSPARENCY_PEN_TABLE,7);
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}
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}
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VIDEO_UPDATE( sgladiat )
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{
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UINT8 *ram = snk_rambase - 0xd000;
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int attributes, scrollx, scrolly;
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attributes = ram[0xd300];
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scrollx = -ram[0xd700] + ((attributes & 2) ? 256:0);
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scrolly = -ram[0xd600];
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scrollx += 15;
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scrolly += 8;
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sgladiat_draw_background(screen->machine, bitmap, cliprect, scrollx, scrolly );
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scrollx = ram[0xd500] + ((attributes & 1) ? 256:0);
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scrolly = ram[0xd400];
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scrollx += 29;
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scrolly += 9;
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tnk3_draw_sprites(screen->machine, bitmap, cliprect, scrollx, scrolly );
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tnk3_draw_text(screen->machine, bitmap, cliprect, 0, &ram[0xf000] );
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return 0;
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}
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@ -28,7 +28,94 @@
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#define MAX_VRAM_SIZE (64*64*2) /* 0x2000 */
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UINT8 *tnk3_fg_videoram;
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UINT8 *tnk3_bg_videoram;
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static tilemap *fg_tilemap;
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static tilemap *bg_tilemap;
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static int fg_bank;
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static int bg_scrollx, bg_scrolly, sp_scrollx, sp_scrolly;
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/**************************************************************************************/
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PALETTE_INIT( tnk3 )
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{
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int i;
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int num_colors = 0x400;
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/*
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palette format is RRRG GGBB B??? the three unknown bits are used but
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I'm not sure how, I'm currently using them as least significant bit but
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that's most likely wrong.
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*/
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for( i=0; i<num_colors; i++ )
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{
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int bit0=0,bit1,bit2,bit3,r,g,b;
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bit0 = (color_prom[i + 2*num_colors] >> 2) & 0x01;
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bit1 = (color_prom[i] >> 1) & 0x01;
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bit2 = (color_prom[i] >> 2) & 0x01;
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bit3 = (color_prom[i] >> 3) & 0x01;
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r = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
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bit0 = (color_prom[i + 2*num_colors] >> 1) & 0x01;
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bit1 = (color_prom[i + num_colors] >> 2) & 0x01;
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bit2 = (color_prom[i + num_colors] >> 3) & 0x01;
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bit3 = (color_prom[i] >> 0) & 0x01;
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g = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
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bit0 = (color_prom[i + 2*num_colors] >> 0) & 0x01;
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bit1 = (color_prom[i + 2*num_colors] >> 3) & 0x01;
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bit2 = (color_prom[i + num_colors] >> 0) & 0x01;
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bit3 = (color_prom[i + num_colors] >> 1) & 0x01;
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b = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
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palette_set_color(machine,i,MAKE_RGB(r,g,b));
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}
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}
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/**************************************************************************************/
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static TILE_GET_INFO( tnk3_get_fg_tile_info )
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{
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int code = tnk3_fg_videoram[tile_index];
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int color = code >> 5;
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SET_TILE_INFO(0,
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code | (fg_bank << 8),
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color,
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tile_index & 0x400 ? TILE_FORCE_LAYER0 : 0);
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}
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static TILE_GET_INFO( ikari_get_fg_tile_info )
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{
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int code = tnk3_fg_videoram[tile_index];
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SET_TILE_INFO(0,
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code,
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0,
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tile_index & 0x400 ? TILE_FORCE_LAYER0 : 0);
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}
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static TILEMAP_MAPPER( tnk3_fg_scan_cols )
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{
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col -= 2;
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if (col & 0x20)
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return 0x400 + row + ((col & 0x1f) << 5);
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else
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return row + (col << 5);
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}
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static TILE_GET_INFO( tnk3_get_bg_tile_info )
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{
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int attr = tnk3_bg_videoram[2*tile_index+1];
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int code = tnk3_bg_videoram[2*tile_index] | ((attr & 0x30) << 4);
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int color = (attr & 0xf) ^ 8;
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SET_TILE_INFO(1,
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code,
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color,
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tile_index & 0x400 ? TILE_FORCE_LAYER0 : 0);
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}
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/**************************************************************************************/
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VIDEO_START( snk )
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{
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@ -43,7 +130,7 @@ VIDEO_START( snk_3bpp_shadow )
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VIDEO_START_CALL(snk);
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if(!(machine->config->video_attributes & VIDEO_HAS_SHADOWS))
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popmessage("driver should use VIDEO_HAS_SHADOWS");
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fatalerror("driver should use VIDEO_HAS_SHADOWS");
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/* prepare shadow draw table */
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for(i = 0; i <= 5; i++) gfx_drawmode_table[i] = DRAWMODE_SOURCE;
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@ -61,7 +148,7 @@ VIDEO_START( snk_4bpp_shadow )
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VIDEO_START_CALL(snk);
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if(!(machine->config->video_attributes & VIDEO_HAS_SHADOWS))
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popmessage("driver should use VIDEO_HAS_SHADOWS");
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fatalerror("driver should use VIDEO_HAS_SHADOWS");
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/* prepare shadow draw table */
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for(i = 0; i <= 13; i++) gfx_drawmode_table[i] = DRAWMODE_SOURCE;
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@ -76,8 +163,169 @@ VIDEO_START( snk_4bpp_shadow )
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machine->shadow_table[i] = i + 0x100;
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}
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VIDEO_START( tnk3 )
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{
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VIDEO_START_CALL(snk_3bpp_shadow);
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fg_tilemap = tilemap_create(tnk3_get_fg_tile_info, tnk3_fg_scan_cols, 8, 8, 36, 28);
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bg_tilemap = tilemap_create(tnk3_get_bg_tile_info, tilemap_scan_cols, 8, 8, 64, 64);
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tilemap_set_transparent_pen(fg_tilemap, 15);
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tilemap_set_scrolldy(fg_tilemap, 8, 8);
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tilemap_set_scrolldx(bg_tilemap, 15, 24);
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tilemap_set_scrolldy(bg_tilemap, 8, -32);
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}
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VIDEO_START( ikari )
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{
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VIDEO_START_CALL(snk_3bpp_shadow);
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fg_tilemap = tilemap_create(ikari_get_fg_tile_info, tnk3_fg_scan_cols, 8, 8, 36, 28);
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tilemap_set_transparent_pen(fg_tilemap, 15);
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tilemap_set_scrolldy(fg_tilemap, 8, 8);
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}
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/**************************************************************************************/
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WRITE8_HANDLER( tnk3_fg_videoram_w )
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{
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tnk3_fg_videoram[offset] = data;
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tilemap_mark_tile_dirty(fg_tilemap, offset);
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}
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WRITE8_HANDLER( tnk3_bg_videoram_w )
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{
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tnk3_bg_videoram[offset] = data;
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tilemap_mark_tile_dirty(bg_tilemap, offset >> 1);
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}
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WRITE8_HANDLER( tnk3_videoattrs_w )
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{
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/*
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video attributes:
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X------- flip screen
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-X------ character bank (for text layer)
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--X-----
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---X---- scrolly MSB (background)
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----X--- scrolly MSB (sprites)
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-----X--
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------X- scrollx MSB (background)
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-------X scrollx MSB (sprites)
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*/
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int bank = (data & 0x40) >> 6;
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if (fg_bank != bank)
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{
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tilemap_mark_all_tiles_dirty(fg_tilemap);
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fg_bank = bank;
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}
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flip_screen_set(data & 0x80);
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bg_scrolly = (bg_scrolly & 0xff) | ((data & 0x10) << 4);
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||||
sp_scrolly = (sp_scrolly & 0xff) | ((data & 0x08) << 5);
|
||||
bg_scrollx = (bg_scrollx & 0xff) | ((data & 0x02) << 7);
|
||||
sp_scrollx = (sp_scrollx & 0xff) | ((data & 0x01) << 8);
|
||||
}
|
||||
|
||||
WRITE8_HANDLER( tnk3_bg_scrollx_w )
|
||||
{
|
||||
bg_scrollx = (bg_scrollx & ~0xff) | data;
|
||||
}
|
||||
|
||||
WRITE8_HANDLER( tnk3_bg_scrolly_w )
|
||||
{
|
||||
bg_scrolly = (bg_scrolly & ~0xff) | data;
|
||||
}
|
||||
|
||||
WRITE8_HANDLER( tnk3_sp_scrollx_w )
|
||||
{
|
||||
sp_scrollx = (sp_scrollx & ~0xff) | data;
|
||||
}
|
||||
|
||||
WRITE8_HANDLER( tnk3_sp_scrolly_w )
|
||||
{
|
||||
sp_scrolly = (sp_scrolly & ~0xff) | data;
|
||||
}
|
||||
|
||||
/**************************************************************************************/
|
||||
|
||||
static void tnk3_draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int xscroll, int yscroll)
|
||||
{
|
||||
const gfx_element *gfx = machine->gfx[2];
|
||||
|
||||
int tile_number, attributes, color, sx, sy;
|
||||
int xflip,yflip;
|
||||
int offs;
|
||||
|
||||
/* tnk3 has 512 tiles, attribute bit 5 is y-flip */
|
||||
/* athena has 1024 tiles, attribute bit 5 is extra bank bit */
|
||||
int is_athena = (gfx->total_elements > 512);
|
||||
|
||||
for(offs = 0; offs < 50*4; offs+=4)
|
||||
{
|
||||
tile_number = spriteram[offs+1];
|
||||
attributes = spriteram[offs+3];
|
||||
if (attributes & 0x40) tile_number |= 0x100;
|
||||
color = attributes & 0xf;
|
||||
sx = xscroll + 29 - spriteram[offs+2];
|
||||
if (!(attributes & 0x80)) sx += 256;
|
||||
sy = -yscroll - 9 + spriteram[offs];
|
||||
if (attributes & 0x10) sy += 256;
|
||||
xflip = 0;
|
||||
yflip = 0;
|
||||
|
||||
if (is_athena)
|
||||
{
|
||||
if (attributes & 0x20) tile_number |= 0x200;
|
||||
}
|
||||
else // tnk3
|
||||
{
|
||||
yflip = attributes & 0x20;
|
||||
}
|
||||
|
||||
if (flip_screen_get())
|
||||
{
|
||||
sx = 73 - sx; // this causes slight misalignment in tnk3 but is correct for athena and fitegolf
|
||||
sy = 246 - sy;
|
||||
xflip = !xflip;
|
||||
yflip = !yflip;
|
||||
}
|
||||
|
||||
sx &= 0x1ff;
|
||||
sy &= 0x1ff;
|
||||
if (sx > 512-16) sx -= 512;
|
||||
if (sy > 512-16) sy -= 512;
|
||||
|
||||
drawgfx(bitmap,gfx,
|
||||
tile_number,
|
||||
color,
|
||||
xflip,yflip,
|
||||
sx,sy,
|
||||
cliprect,TRANSPARENCY_PEN_TABLE,7);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
VIDEO_UPDATE( tnk3 )
|
||||
{
|
||||
tilemap_set_scrollx(bg_tilemap, 0, bg_scrollx);
|
||||
tilemap_set_scrolly(bg_tilemap, 0, bg_scrolly);
|
||||
|
||||
tilemap_draw(bitmap, cliprect, bg_tilemap, 0, 0);
|
||||
tnk3_draw_sprites(screen->machine, bitmap, cliprect, sp_scrollx, sp_scrolly);
|
||||
tilemap_draw(bitmap, cliprect, fg_tilemap, 0, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/************************************************************************************/
|
||||
|
||||
static void tnk3_draw_background(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int scrollx, int scrolly,
|
||||
int x_size, int y_size, int bg_type )
|
||||
{
|
||||
@ -95,15 +343,15 @@ static void tnk3_draw_background(running_machine *machine, bitmap_t *bitmap, con
|
||||
|
||||
if(bg_type == 0)
|
||||
{
|
||||
/* type tnk3 */
|
||||
tile_number |= (attributes & 0x30) << 4;
|
||||
color = (attributes & 0xf) ^ 8;
|
||||
/* type tnk3 */
|
||||
tile_number |= (attributes & 0x30) << 4;
|
||||
color = (attributes & 0xf) ^ 8;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* type ikari */
|
||||
tile_number |= (attributes & 0x03) << 8;
|
||||
color = attributes >> 4;
|
||||
/* type ikari */
|
||||
tile_number |= (attributes & 0x03) << 8;
|
||||
color = attributes >> 4;
|
||||
}
|
||||
|
||||
sx = x * 512 / x_size;
|
||||
@ -114,266 +362,6 @@ static void tnk3_draw_background(running_machine *machine, bitmap_t *bitmap, con
|
||||
copyscrollbitmap(bitmap,tmpbitmap,1,&scrollx,1,&scrolly,cliprect);
|
||||
}
|
||||
|
||||
void tnk3_draw_text(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int bank, UINT8 *source )
|
||||
{
|
||||
const gfx_element *gfx = machine->gfx[0];
|
||||
|
||||
int tile_number, color, sx, sy;
|
||||
int x, y;
|
||||
|
||||
for(x=0; x<32; x++) for(y=0; y<32; y++)
|
||||
{
|
||||
tile_number = source[(x<<5)+y];
|
||||
|
||||
if(tile_number == 0x20 || tile_number == 0xff) continue;
|
||||
|
||||
if(bank == -1) color = 8;
|
||||
else
|
||||
{
|
||||
color = tile_number >> 5;
|
||||
tile_number |= bank << 8;
|
||||
}
|
||||
sx = (x+2) << 3;
|
||||
sy = (y+1) << 3;
|
||||
|
||||
drawgfx(bitmap,gfx,tile_number,color,0,0,sx,sy,cliprect,TRANSPARENCY_PEN,15);
|
||||
}
|
||||
}
|
||||
|
||||
static void tnk3_draw_status_main(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int bank, UINT8 *source, int start )
|
||||
{
|
||||
const gfx_element *gfx = machine->gfx[0];
|
||||
|
||||
int tile_number, color, sx, sy;
|
||||
int x, y;
|
||||
|
||||
for(x = start; x < start+2; x++) for(y = 0; y < 32; y++)
|
||||
{
|
||||
tile_number = source[(x<<5)+y];
|
||||
|
||||
if(bank == -1) color = 8;
|
||||
else
|
||||
{
|
||||
color = tile_number >> 5;
|
||||
tile_number |= (bank << 8);
|
||||
}
|
||||
sx = ((x+34)&0x3f) << 3;
|
||||
sy = (y+1) << 3;
|
||||
|
||||
drawgfx(bitmap,gfx,tile_number,color,0,0,sx,sy,cliprect,TRANSPARENCY_NONE,0);
|
||||
}
|
||||
}
|
||||
|
||||
void tnk3_draw_status(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int bank, UINT8 *source )
|
||||
{
|
||||
tnk3_draw_status_main(machine,bitmap,cliprect,bank,source, 0);
|
||||
tnk3_draw_status_main(machine,bitmap,cliprect,bank,source,30);
|
||||
}
|
||||
|
||||
static void tnk3_draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int xscroll, int yscroll )
|
||||
{
|
||||
const gfx_element *gfx = machine->gfx[2];
|
||||
|
||||
int tile_number, attributes, color, sx, sy;
|
||||
int yflip;
|
||||
int offs;
|
||||
|
||||
for(offs = 0; offs < 50*4; offs+=4)
|
||||
{
|
||||
if(*(UINT32*)(spriteram+offs) == 0 || *(UINT32*)(spriteram+offs) == -1) continue;
|
||||
|
||||
tile_number = spriteram[offs+1];
|
||||
attributes = spriteram[offs+3]; /* YBFX.CCCC */
|
||||
if(attributes & 0x40) tile_number |= 256;
|
||||
|
||||
color = attributes & 0xf;
|
||||
sx = xscroll - spriteram[offs+2];
|
||||
if(!(attributes & 0x80)) sx += 256;
|
||||
sy = -yscroll + spriteram[offs];
|
||||
if(attributes & 0x10) sy += 256;
|
||||
sx &= 0x1ff;
|
||||
sy &= 0x1ff;
|
||||
if (sx > 512-16) sx -= 512;
|
||||
if (sy > 512-16) sy -= 512;
|
||||
yflip = attributes & 0x20;
|
||||
|
||||
drawgfx(bitmap,gfx,tile_number,color,0,yflip,sx,sy,cliprect,TRANSPARENCY_PEN_TABLE,7);
|
||||
}
|
||||
}
|
||||
|
||||
VIDEO_UPDATE( tnk3 )
|
||||
{
|
||||
UINT8 *ram = snk_rambase - 0xd000;
|
||||
int attributes = ram[0xc800];
|
||||
/*
|
||||
X-------
|
||||
-X------ character bank (for text layer)
|
||||
--X-----
|
||||
---X---- scrolly MSB (background)
|
||||
----X--- scrolly MSB (sprites)
|
||||
-----X--
|
||||
------X- scrollx MSB (background)
|
||||
-------X scrollx MSB (sprites)
|
||||
*/
|
||||
|
||||
// TODO attributes & 0x80 is screen flip
|
||||
|
||||
/* to be moved to memmap */
|
||||
spriteram = &ram[0xd000];
|
||||
|
||||
{
|
||||
int bg_scrollx = -ram[0xcc00] + 15;
|
||||
int bg_scrolly = -ram[0xcb00] + 8;
|
||||
if(attributes & 0x02) bg_scrollx += 256;
|
||||
if(attributes & 0x10) bg_scrolly += 256;
|
||||
tnk3_draw_background(screen->machine, bitmap, cliprect, bg_scrollx, bg_scrolly, 64, 64, 0 );
|
||||
}
|
||||
|
||||
{
|
||||
int sp_scrollx = ram[0xca00] + 29;
|
||||
int sp_scrolly = ram[0xc900] + 9;
|
||||
if(attributes & 0x01) sp_scrollx += 256;
|
||||
if(attributes & 0x08) sp_scrolly += 256;
|
||||
tnk3_draw_sprites(screen->machine, bitmap, cliprect, sp_scrollx, sp_scrolly );
|
||||
}
|
||||
|
||||
{
|
||||
int bank = (attributes & 0x40) ? 1:0;
|
||||
|
||||
tnk3_draw_text(screen->machine, bitmap, cliprect, bank, &ram[0xf800] );
|
||||
tnk3_draw_status(screen->machine, bitmap, cliprect, bank, &ram[0xfc00] );
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void athena_draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int xscroll, int yscroll )
|
||||
{
|
||||
const gfx_element *gfx = machine->gfx[2];
|
||||
|
||||
int tile_number, attributes, color, sx, sy;
|
||||
int offs;
|
||||
|
||||
for(offs = 0; offs < 50*4; offs+=4)
|
||||
{
|
||||
if(*(UINT32*)(spriteram+offs) == 0 || *(UINT32*)(spriteram+offs) == -1) continue;
|
||||
|
||||
tile_number = spriteram[offs+1];
|
||||
attributes = spriteram[offs+3]; /* YBBX.CCCC */
|
||||
if(attributes & 0x40) tile_number |= 256;
|
||||
if(attributes & 0x20) tile_number |= 512;
|
||||
|
||||
color = attributes & 0xf;
|
||||
sx = xscroll - spriteram[offs+2];
|
||||
if(!(attributes & 0x80)) sx += 256;
|
||||
sy = -yscroll + spriteram[offs];
|
||||
if(attributes & 0x10) sy += 256;
|
||||
sx &= 0x1ff;
|
||||
sy &= 0x1ff;
|
||||
if (sx > 512-16) sx -= 512;
|
||||
if (sy > 512-16) sy -= 512;
|
||||
|
||||
drawgfx(bitmap,gfx,tile_number,color,0,0,sx,sy,cliprect,TRANSPARENCY_PEN_TABLE,7);
|
||||
}
|
||||
}
|
||||
|
||||
/* Same as tnk3 but sprite attribute bit 5 is extra bank bit instead of y-flip. */
|
||||
VIDEO_UPDATE( athena )
|
||||
{
|
||||
UINT8 *ram = snk_rambase - 0xd000;
|
||||
int attributes = ram[0xc800];
|
||||
/*
|
||||
X-------
|
||||
-X------ character bank (for text layer)
|
||||
--X-----
|
||||
---X---- scrolly MSB (background)
|
||||
----X--- scrolly MSB (sprites)
|
||||
-----X--
|
||||
------X- scrollx MSB (background)
|
||||
-------X scrollx MSB (sprites)
|
||||
*/
|
||||
|
||||
// TODO attributes & 0x80 is screen flip
|
||||
|
||||
/* to be moved to memmap */
|
||||
spriteram = &ram[0xd000];
|
||||
|
||||
{
|
||||
int bg_scrollx = -ram[0xcc00] + 15;
|
||||
int bg_scrolly = -ram[0xcb00] + 8;
|
||||
if(attributes & 0x02) bg_scrollx += 256;
|
||||
if(attributes & 0x10) bg_scrolly += 256;
|
||||
tnk3_draw_background(screen->machine, bitmap, cliprect, bg_scrollx, bg_scrolly, 64, 64, 0 );
|
||||
}
|
||||
|
||||
{
|
||||
int sp_scrollx = ram[0xca00] + 29;
|
||||
int sp_scrolly = ram[0xc900] + 9;
|
||||
if(attributes & 0x01) sp_scrollx += 256;
|
||||
if(attributes & 0x08) sp_scrolly += 256;
|
||||
athena_draw_sprites(screen->machine, bitmap, cliprect, sp_scrollx, sp_scrolly );
|
||||
}
|
||||
|
||||
{
|
||||
int bank = (attributes & 0x40) ? 1:0;
|
||||
|
||||
tnk3_draw_text(screen->machine, bitmap, cliprect, bank, &ram[0xf800] );
|
||||
tnk3_draw_status(screen->machine, bitmap, cliprect, bank, &ram[0xfc00] );
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/************************************************************************************/
|
||||
|
||||
VIDEO_START( sgladiat )
|
||||
{
|
||||
tmpbitmap = auto_bitmap_alloc(512, 256, video_screen_get_format(machine->primary_screen));
|
||||
}
|
||||
|
||||
static void sgladiat_draw_background(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int scrollx, int scrolly )
|
||||
{
|
||||
const gfx_element *gfx = machine->gfx[1];
|
||||
|
||||
int tile_number, color, sx, sy;
|
||||
int offs, x, y;
|
||||
|
||||
for(x = 0; x < 64; x++) for(y = 0; y < 32; y++)
|
||||
{
|
||||
offs = (x<<5)+y;
|
||||
tile_number = videoram[offs];
|
||||
|
||||
color = 0;
|
||||
sx = x << 3;
|
||||
sy = y << 3;
|
||||
|
||||
drawgfx(tmpbitmap,gfx,tile_number,color,0,0,sx,sy,0,TRANSPARENCY_NONE,0);
|
||||
}
|
||||
copyscrollbitmap(bitmap,tmpbitmap,1,&scrollx,1,&scrolly,cliprect);
|
||||
}
|
||||
|
||||
VIDEO_UPDATE( sgladiat )
|
||||
{
|
||||
UINT8 *pMem = snk_rambase - 0xd000;
|
||||
int attributes, scrollx, scrolly;
|
||||
|
||||
attributes = pMem[0xd300];
|
||||
|
||||
scrollx = -pMem[0xd700] + ((attributes & 2) ? 256:0);
|
||||
scrolly = -pMem[0xd600];
|
||||
scrollx += 15;
|
||||
scrolly += 8;
|
||||
sgladiat_draw_background(screen->machine, bitmap, cliprect, scrollx, scrolly );
|
||||
|
||||
scrollx = pMem[0xd500] + ((attributes & 1) ? 256:0);
|
||||
scrolly = pMem[0xd400];
|
||||
scrollx += 29;
|
||||
scrolly += 9;
|
||||
tnk3_draw_sprites(screen->machine, bitmap, cliprect, scrollx, scrolly );
|
||||
|
||||
tnk3_draw_text(screen->machine, bitmap, cliprect, 0, &pMem[0xf000] );
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**************************************************************************************/
|
||||
|
||||
static void ikari_draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int start, int xscroll, int yscroll,
|
||||
UINT8 *source, int mode )
|
||||
@ -438,8 +426,15 @@ VIDEO_UPDATE( ikari )
|
||||
ikari_draw_sprites(screen->machine, bitmap, cliprect, 25, sp16_scrollx, sp16_scrolly, &ram[0xe800], 2 );
|
||||
}
|
||||
|
||||
tnk3_draw_text(screen->machine, bitmap, cliprect, -1, &ram[0xf800] );
|
||||
tnk3_draw_status(screen->machine, bitmap, cliprect, -1, &ram[0xfc00] );
|
||||
/* FIXME meaning of 0xc980 uncertain.
|
||||
Normally 0x20, ikarijp sets it to 0x31 during test mode. Not used anywhere else?
|
||||
Changing palette bank is necessary to fix colors in ikarijp test mode. */
|
||||
if (ram[0xc980] == 0x31)
|
||||
tilemap_set_palette_offset(fg_tilemap, 16);
|
||||
else
|
||||
tilemap_set_palette_offset(fg_tilemap, 0);
|
||||
|
||||
tilemap_draw(bitmap, cliprect, fg_tilemap, 0, 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user