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-spg2xx: Added palette viewer mode when video debugging is turned on, nw

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This commit is contained in:
MooglyGuy 2019-01-20 17:33:10 +01:00
parent 202ccfc3bd
commit e1486c9a2a
2 changed files with 24 additions and 3 deletions
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26
src/devices/machine/spg2xx.cpp
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@ -170,6 +170,7 @@ void spg2xx_device::device_start()
save_item(NAME(m_hide_sprites));
save_item(NAME(m_debug_sprites));
save_item(NAME(m_debug_blit));
save_item(NAME(m_debug_palette));
save_item(NAME(m_sprite_index_to_debug));
save_item(NAME(m_debug_samples));
@ -255,7 +256,8 @@ void spg2xx_device::device_reset()
m_hide_sprites = false;
m_debug_sprites = false;
m_debug_blit = false;
m_sprite_index_to_debug = 44;
m_debug_palette = false;
m_sprite_index_to_debug = 0;
m_debug_samples = false;
m_debug_rates = false;
@ -531,8 +533,6 @@ void spg2xx_device::blit_sprite(const rectangle &cliprect, uint32_t scanline, in
if (test_y != scanline)
{
if (SPG_DEBUG_VIDEO && machine().input().code_pressed(KEYCODE_L))
printf("Rejecting because %d > %d\n", test_y, scanline);
return;
}
@ -690,6 +690,24 @@ uint32_t spg2xx_device::screen_update(screen_device &screen, bitmap_rgb32 &bitma
memcpy(dest, src, sizeof(uint32_t) * ((cliprect.max_x - cliprect.min_x) + 1));
}
if (SPG_DEBUG_VIDEO && m_debug_palette)
{
for (int y = cliprect.min_y; y <= cliprect.max_y; y++)
{
const uint16_t high_nybble = (y / 8) << 4;
uint32_t *dest = &bitmap.pix32(y, cliprect.min_x);
for (int x = cliprect.min_x; x <= cliprect.max_x; x++)
{
const uint16_t low_nybble = x / 16;
const uint16_t palette_entry = high_nybble | low_nybble;
const uint16_t color = m_paletteram[palette_entry];
if (!(color & 0x8000))
{
*dest++ = m_rgb555_to_rgb888[color & 0x7fff];
}
}
}
}
return 0;
}
@ -944,6 +962,8 @@ WRITE_LINE_MEMBER(spg2xx_device::vblank)
m_sprite_index_to_debug--;
if (machine().input().code_pressed_once(KEYCODE_0))
m_sprite_index_to_debug++;
if (machine().input().code_pressed_once(KEYCODE_L))
m_debug_palette = !m_debug_palette;
#endif
#if SPG_DEBUG_AUDIO

1
src/devices/machine/spg2xx.h
View File

@ -466,6 +466,7 @@ protected:
bool m_hide_sprites;
bool m_debug_sprites;
bool m_debug_blit;
bool m_debug_palette;
uint8_t m_sprite_index_to_debug;
bool m_debug_samples;