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Identified RLE activation

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This commit is contained in:
Angelo Salese 2013-03-02 15:29:28 +00:00
parent a6b43794ad
commit ab63507bf5
1 changed files with 24 additions and 7 deletions
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31
src/mame/drivers/gunpey.c
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@ -563,8 +563,6 @@ TIMER_CALLBACK_MEMBER(gunpey_state::blitter_end)
gunpey_irq_check(4);
}
WRITE8_MEMBER(gunpey_state::gunpey_blitter_w)
{
// UINT16 *blit_buffer = m_blit_buffer;
@ -586,10 +584,9 @@ WRITE8_MEMBER(gunpey_state::gunpey_blitter_w)
int dsty = blit_ram[0x0a]+(blit_ram[0x0b]<<8);
int xsize = blit_ram[0x0c]+1;
int ysize = blit_ram[0x0e]+1;
int rle = blit_ram[0x01];
// int color,color_offs;
// printf("%04x %04x %04x %04x\n",srcx,srcy,dstx,dsty);
/*
printf("%02x %02x %02x %02x| (X SRC 4: %02x 5: %02x (val %04x)) (Y SRC 6: %02x 7: %02x (val %04x)) | (X DEST 8: %02x 9: %02x (val %04x)) (Y DEST a: %02x b: %02x (val %04x)) | %02x %02x %02x %02x\n"
,blit_ram[0],blit_ram[1],blit_ram[2],blit_ram[3]
@ -611,11 +608,30 @@ WRITE8_MEMBER(gunpey_state::gunpey_blitter_w)
dstx<<=1;
xsize<<=1;
for (int y=0;y<ysize;y++)
if(rle)
{
for (int x=0;x<xsize;x++)
if(rle == 8)
{
vram[(((dsty+y)&0x7ff)*0x800)+((dstx+x)&0x7ff)] = blit_rom[(((srcy+y)&0x7ff)*0x800)+((srcx+x)&0x7ff)];
for (int y=0;y<ysize;y++)
{
for (int x=0;x<xsize;x++)
{
//blit_rom[(((srcy+y)&0x7ff)*0x800)+((srcx+x)&0x7ff)];
vram[(((dsty+y)&0x7ff)*0x800)+((dstx+x)&0x7ff)] = 0;
}
}
}
else
printf("unknown RLE mode %02x\n",rle);
}
else
{
for (int y=0;y<ysize;y++)
{
for (int x=0;x<xsize;x++)
{
vram[(((dsty+y)&0x7ff)*0x800)+((dstx+x)&0x7ff)] = blit_rom[(((srcy+y)&0x7ff)*0x800)+((srcx+x)&0x7ff)];
}
}
}
@ -856,6 +872,7 @@ ROM_START( gunpey )
ROM_REGION( 0x400000, "blit_data", 0 )
ROM_LOAD( "gp_rom3.025", 0x00000, 0x400000, CRC(f2d1f9f0) SHA1(0d20301fd33892074508b9d127456eae80cc3a1c) )
ROM_REGION( 0x400000, "vram", ROMREGION_ERASEFF )
ROM_REGION( 0x400000, "ymz", 0 )