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Test background hook-up for Super Crowns Golf.

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This commit is contained in:
Angelo Salese 2009-03-15 18:57:56 +00:00
parent bc259bae6d
commit ce79644d18
1 changed files with 69 additions and 9 deletions
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78
src/mame/drivers/suprgolf.c
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@ -19,8 +19,10 @@
#include "sound/2203intf.h"
static tilemap *suprgolf_tilemap;
static UINT8 *suprgolf_bg_vram;
static int suprgolf_rom_bank;
static UINT8 suprgolf_bg_bank;
static UINT8 suprgolf_vreg;
static TILE_GET_INFO( get_tile_info )
{
@ -55,6 +57,7 @@ static WRITE8_HANDLER( rom2_bank_select_w )
{
UINT8 *region_base = memory_region(space->machine, "user2");
mame_printf_debug("ROM_BANK 0x4000 - %X @%X\n",data,cpu_get_previouspc(space->cpu));
// if(data == 0) data = 1; //test hack
memory_set_bankptr(space->machine, 1, region_base + (data&0x3f ) * 0x4000);
}
@ -67,11 +70,51 @@ static VIDEO_START( suprgolf )
{
suprgolf_tilemap = tilemap_create( machine, get_tile_info,tilemap_scan_rows,8,8,32,32 );
paletteram = auto_malloc(0x1000);
suprgolf_bg_vram = auto_malloc(0x2000*0x20);
tilemap_set_transparent_pen(suprgolf_tilemap,15);
}
static VIDEO_UPDATE( suprgolf )
{
// tilemap_mark_all_tiles_dirty(suprgolf_tilemap);
int x,y,count;
static int test_offs;
if(input_code_pressed_once(KEYCODE_A))
test_offs+=0x10000;
if(input_code_pressed_once(KEYCODE_S))
test_offs-=0x10000;
if(test_offs < 0)
test_offs = 0;
if(test_offs > 0x30000)
test_offs = 0x30000;
popmessage("%08x",test_offs);
count = (test_offs);
for(y=0;y<256;y++)
{
for(x=0;x<512;x+=2)
{
UINT8 color;
/*temporary*/
color = ((suprgolf_bg_vram[count]) | (suprgolf_bg_vram[count^0x80]<<4));
if((x)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
{
*BITMAP_ADDR32(bitmap, y, x) = screen->machine->pens[color];
*BITMAP_ADDR32(bitmap, y, x+1) = screen->machine->pens[color];
}
count++;
}
}
tilemap_draw(bitmap,cliprect,suprgolf_tilemap,0,0);
return 0;
}
@ -108,8 +151,6 @@ static WRITE8_HANDLER( suprgolf_videoram_w )
}
}
static UINT8 suprgolf_vreg;
static READ8_HANDLER( suprgolf_vregs_r )
{
static UINT8 vblank;
@ -125,19 +166,38 @@ static WRITE8_HANDLER( suprgolf_vregs_w )
//bits 0,1,2 and probably 3 controls the background vram banking
suprgolf_vreg = data;
palette_switch = (data & 0x80);
suprgolf_bg_bank = (data & 0x1f);
// printf("%02x\n",data);
}
static UINT8 pen;
static READ8_HANDLER( suprgolf_bg_vram_r )
{
return suprgolf_bg_vram[offset+suprgolf_bg_bank*0x2000];
}
static WRITE8_HANDLER( suprgolf_bg_vram_w )
{
suprgolf_bg_vram[offset+suprgolf_bg_bank*0x2000] = data;
suprgolf_bg_vram[(offset^0x80)+suprgolf_bg_bank*0x2000] = pen;
}
static WRITE8_HANDLER( suprgolf_pen_w )
{
pen = data;
}
// vidram is banked?
static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x3fff) AM_ROM
AM_RANGE(0x4000, 0x7fff) AM_READ(SMH_BANK1)
AM_RANGE(0x4000, 0x7fff) AM_ROMBANK(1)
AM_RANGE(0x4000, 0x4000) AM_WRITE( rom2_bank_select_w )
AM_RANGE(0x8000, 0xbfff) AM_READ(SMH_BANK2)
AM_RANGE(0xc000, 0xdfff) AM_RAM // banked background vram
AM_RANGE(0x8000, 0xbfff) AM_ROMBANK(2)
AM_RANGE(0xc000, 0xdfff) AM_READWRITE( suprgolf_bg_vram_r, suprgolf_bg_vram_w ) // banked background vram
AM_RANGE(0xe000, 0xefff) AM_READWRITE( suprgolf_videoram_r, suprgolf_videoram_w ) AM_BASE(&videoram)
// AM_RANGE(0xf000, 0xffff) AM_RAM
AM_RANGE(0xf000, 0xf000) AM_WRITE( suprgolf_pen_w )
AM_RANGE(0xf800, 0xffff) AM_RAM
ADDRESS_MAP_END
@ -350,7 +410,7 @@ static MACHINE_DRIVER_START( suprgolf )
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MDRV_SCREEN_SIZE(256, 256)
MDRV_SCREEN_VISIBLE_AREA(0, 255, 0, 191)