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Support Amstrad CPC mode EGX2

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This commit is contained in:
Adrien Destugues
2017-05-08 09:54:30 +02:00
parent 309538c190
commit 0b6e782f74
2 changed files with 23 additions and 6 deletions
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23
src/graph.c
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@@ -3005,24 +3005,40 @@ void Pixel_in_screen_layered_with_preview(word x,word y,byte color)
void Pixel_in_screen_egx(word x,word y,byte color)
{
uint8_t mask;
if (Main_backups->Pages->Image_mode == IMAGE_MODE_EGX)
{
mask = 0xF3;
} else {
mask = 0xFD;
}
if (y & 1)
{
Pixel_in_screen_layered(x & ~1,y,color);
Pixel_in_screen_layered(x | 1,y,color);
}
else
Pixel_in_screen_layered(x,y,color & 0xF3);
Pixel_in_screen_layered(x,y,color & mask);
}
void Pixel_in_screen_egx_with_preview(word x,word y,byte color)
{
uint8_t mask;
if (Main_backups->Pages->Image_mode == IMAGE_MODE_EGX)
{
mask = 0xF3;
} else {
mask = 0xFD;
}
if (y & 1)
{
Pixel_in_screen_layered_with_preview(x & ~1,y,color);
Pixel_in_screen_layered_with_preview(x | 1,y,color);
}
else
Pixel_in_screen_layered_with_preview(x,y,color & 0xF3);
Pixel_in_screen_layered_with_preview(x,y,color & mask);
}
/// Paint a a single pixel in image only : in a layer under one that acts as a layer-selector (mode 5).
@@ -3131,7 +3147,8 @@ void Update_pixel_renderer(void)
Pixel_in_current_screen_with_preview = Pixel_in_screen_layered_with_preview;
}
else
if (Main_backups->Pages->Image_mode == IMAGE_MODE_EGX)
if (Main_backups->Pages->Image_mode == IMAGE_MODE_EGX
|| Main_backups->Pages->Image_mode == IMAGE_MODE_EGX2)
{
// layered
Pixel_in_current_screen = Pixel_in_screen_egx;