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Implemented basic blitter support in Gunpey [Tomasz Slanina]

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This commit is contained in:
Angelo Salese 2010-01-11 21:09:55 +00:00
parent a9c5a5a27e
commit 30d7972c6a
1 changed files with 82 additions and 9 deletions
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91
src/mame/drivers/gunpey.c
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@ -50,13 +50,35 @@ Notes:
#include "sound/okim6295.h"
#include "sound/ymz280b.h"
static UINT8 *blit_buffer;
static VIDEO_START( gunpey )
{
blit_buffer = auto_alloc_array(machine, UINT8, 512*512);
}
static VIDEO_UPDATE( gunpey )
{
int x,y;
int count;
count = 0;
for(y=0;y<512;y++)
{
for(x=0;x<512;x++)
{
UINT32 color;
color = (blit_buffer[count] & 0xff);
if(x<video_screen_get_visible_area(screen)->max_x && y<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, x) = screen->machine->pens[color];
count++;
}
}
return 0;
}
@ -89,12 +111,38 @@ static READ8_HANDLER( gunpey_inputs_r )
static WRITE8_HANDLER( gunpey_blitter_w )
{
static UINT16 blit_ram[0x10];
UINT8 *blit_rom = memory_region(space->machine, "blit_data");
int x,y;
blit_ram[offset] = data;
if(offset == 0 && data) // blitter trigger
if(offset == 0 && data == 2) // blitter trigger
{
// ...
int srcx = blit_ram[0x04]+(blit_ram[0x05]<<8);
int srcy = blit_ram[0x06]+(blit_ram[0x07]<<8);
int dstx = blit_ram[0x08]+((blit_ram[0x09] & 0x01) <<8);
int dsty = blit_ram[0x0a]+((blit_ram[0x0b] & 0x01) <<8);
int xsize = blit_ram[0x0c]+1;
int ysize = blit_ram[0x0e]+1;
if(blit_ram[0x01] == 8) //1bpp?
{
// ...
}
else
{
for(y=0;y<ysize;y++)
{
for(x=0;x<xsize;x++)
{
UINT32 src_index = ((srcy+y)*2048+(srcx+x)) & 0x3fffff;
UINT32 dst_index = ((dsty+y)*512+(dstx+x)) & 0x3ffff;
blit_buffer[dst_index] = blit_rom[src_index];
}
}
}
printf("%02x %02x %02x %02x|%02x %02x %02x %02x|%02x %02x %02x %02x|%02x %02x %02x %02x\n"
,blit_ram[0],blit_ram[1],blit_ram[2],blit_ram[3]
@ -225,6 +273,28 @@ INPUT_PORTS_END
/***************************************************************************************/
/* test hack */
static PALETTE_INIT( gunpey )
{
int i,r,g,b,val;
UINT8 *blit_rom = memory_region(machine, "blit_data");
for (i = 0; i < 512; i+=2)
{
val = (blit_rom[i+0x3B1DFD]) | (blit_rom[i+0x3B1DFD+1]<<8);
b = (val & 0x001f) >> 0;
b<<=3;
g = (val & 0x03e0) >> 5;
g<<=3;
r = (val & 0x7c00) >> 10;
r<<=3;
palette_set_color(machine, i/2, MAKE_RGB(r, g, b));
}
}
static INTERRUPT_GEN( gunpey_interrupt )
{
cpu_set_input_line_and_vector(device,0,HOLD_LINE,0x200/4);
@ -243,24 +313,27 @@ static MACHINE_DRIVER_START( gunpey )
MDRV_SCREEN_ADD("screen", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(32*8, 32*8)
MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 0*8, 32*8-1)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MDRV_SCREEN_SIZE(512, 512)
MDRV_SCREEN_VISIBLE_AREA(0*8, 512-1, 0*8, 512-1)
MDRV_PALETTE_LENGTH(0x800)
MDRV_PALETTE_INIT(gunpey)
MDRV_VIDEO_START(gunpey)
MDRV_VIDEO_UPDATE(gunpey)
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SPEAKER_STANDARD_STEREO("lspeaker","rspeaker")
MDRV_SOUND_ADD("oki", OKIM6295, XTAL_16_9344MHz / 8 / 165)
MDRV_SOUND_CONFIG(okim6295_interface_pin7high)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MDRV_SOUND_ROUTE(0, "lspeaker", 0.25)
MDRV_SOUND_ROUTE(1, "rspeaker", 0.25)
MDRV_SOUND_ADD("ymz", YMZ280B, XTAL_16_9344MHz)
MDRV_SOUND_CONFIG(ymz280b_intf)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MDRV_SOUND_ROUTE(0, "lspeaker", 0.25)
MDRV_SOUND_ROUTE(1, "rspeaker", 0.25)
MACHINE_DRIVER_END
@ -272,7 +345,7 @@ ROM_START( gunpey )
ROM_LOAD16_BYTE( "gp_rom1.021", 0x00000, 0x80000, CRC(07a589a7) SHA1(06c4140ffd5f74b3d3ddfc424f43fcd08d903490) )
ROM_LOAD16_BYTE( "gp_rom2.022", 0x00001, 0x80000, CRC(f66bc4cf) SHA1(54931d878d228c535b9e2bf22a0a3e41756f0fe5) )
ROM_REGION( 0x400000, "gfx1", 0 )
ROM_REGION( 0x400000, "blit_data", 0 )
ROM_LOAD( "gp_rom3.025", 0x00000, 0x400000, CRC(f2d1f9f0) SHA1(0d20301fd33892074508b9d127456eae80cc3a1c) )
ROM_REGION( 0x400000, "ymz", 0 )