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Diffstat (limited to 'src/devices/bus/nubus/nubus_vikbw.cpp')
-rw-r--r--src/devices/bus/nubus/nubus_vikbw.cpp30
1 files changed, 13 insertions, 17 deletions
diff --git a/src/devices/bus/nubus/nubus_vikbw.cpp b/src/devices/bus/nubus/nubus_vikbw.cpp
index 1c25795cd45..18c94f9ba5b 100644
--- a/src/devices/bus/nubus/nubus_vikbw.cpp
+++ b/src/devices/bus/nubus/nubus_vikbw.cpp
@@ -117,30 +117,26 @@ void nubus_vikbw_device::device_reset()
uint32_t nubus_vikbw_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
- uint32_t *scanline;
- int x, y;
- uint8_t pixels;
-
if (!m_vbl_disable)
{
raise_slot_irq();
}
- for (y = 0; y < 768; y++)
+ for (int y = 0; y < 768; y++)
{
- scanline = &bitmap.pix32(y);
- for (x = 0; x < 1024/8; x++)
+ uint32_t *scanline = &bitmap.pix(y);
+ for (int x = 0; x < 1024/8; x++)
{
- pixels = m_vram[(y * 128) + (BYTE4_XOR_BE(x))];
-
- *scanline++ = m_palette[(pixels>>7)&1];
- *scanline++ = m_palette[(pixels>>6)&1];
- *scanline++ = m_palette[(pixels>>5)&1];
- *scanline++ = m_palette[(pixels>>4)&1];
- *scanline++ = m_palette[(pixels>>3)&1];
- *scanline++ = m_palette[(pixels>>2)&1];
- *scanline++ = m_palette[(pixels>>1)&1];
- *scanline++ = m_palette[(pixels&1)];
+ uint8_t const pixels = m_vram[(y * 128) + (BYTE4_XOR_BE(x))];
+
+ *scanline++ = m_palette[BIT(pixels, 7)];
+ *scanline++ = m_palette[BIT(pixels, 6)];
+ *scanline++ = m_palette[BIT(pixels, 5)];
+ *scanline++ = m_palette[BIT(pixels, 4)];
+ *scanline++ = m_palette[BIT(pixels, 3)];
+ *scanline++ = m_palette[BIT(pixels, 2)];
+ *scanline++ = m_palette[BIT(pixels, 1)];
+ *scanline++ = m_palette[BIT(pixels, 0)];
}
}