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Allow Blargg filtering to correctly show PAL color-loss effect. 

git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@2476 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
This commit is contained in:
stephena 2012-05-16 11:54:48 +00:00
parent f1e25447f7
commit 042afc2edb
3 changed files with 4 additions and 4 deletions
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2
src/common/tv_filters/NTSCFilter.cxx
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@ -41,7 +41,7 @@ void NTSCFilter::setTIAPalette(const uInt32* palette)
// The TIA palette consists of 128 colours, but the palette array actually
// contains 256 entries, where only every second value is a valid colour
uInt8* ptr = myTIAPalette;
for(int i = 0; i < 256; i+=2)
for(int i = 0; i < 256; i++)
{
*ptr++ = (palette[i] >> 16) & 0xff;
*ptr++ = (palette[i] >> 8) & 0xff;

2
src/common/tv_filters/NTSCFilter.hxx
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@ -140,7 +140,7 @@ class NTSCFilter
Preset myPreset;
// 128 colours by 3 components per colour
uInt8 myTIAPalette[128 * 3];
uInt8 myTIAPalette[256 * 3];
struct AdjustableTag {
const char* type;

4
src/common/tv_filters/atari_ntsc.h
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@ -56,7 +56,7 @@ extern atari_ntsc_setup_t const atari_ntsc_svideo; /* color bleeding only */
extern atari_ntsc_setup_t const atari_ntsc_rgb; /* crisp image */
extern atari_ntsc_setup_t const atari_ntsc_bad; /* badly adjusted TV */
enum { atari_ntsc_palette_size = 128 };
enum { atari_ntsc_palette_size = 256 };
/* Initializes and adjusts parameters. Can be called multiple times on the same
atari_ntsc_t object. Can pass NULL for either parameter. */
@ -130,7 +130,7 @@ struct atari_ntsc_t {
atari_ntsc_rgb_t table [atari_ntsc_palette_size] [atari_ntsc_entry_size];
};
#define ATARI_NTSC_ENTRY_( ntsc, n ) (ntsc)->table [n >> 1 & 0x7F]
#define ATARI_NTSC_ENTRY_( ntsc, n ) (ntsc)->table [n]
/* common 3->7 ntsc macros */
#define ATARI_NTSC_BEGIN_ROW_6_( pixel0, pixel1, ENTRY, table ) \