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Diffstat (limited to 'src/devices/bus/nubus/nubus_radiustpd.cpp')
-rw-r--r--src/devices/bus/nubus/nubus_radiustpd.cpp32
1 files changed, 14 insertions, 18 deletions
diff --git a/src/devices/bus/nubus/nubus_radiustpd.cpp b/src/devices/bus/nubus/nubus_radiustpd.cpp
index f6d152be059..89518f0d223 100644
--- a/src/devices/bus/nubus/nubus_radiustpd.cpp
+++ b/src/devices/bus/nubus/nubus_radiustpd.cpp
@@ -139,27 +139,23 @@ void nubus_radiustpd_device::device_timer(emu_timer &timer, device_timer_id tid,
uint32_t nubus_radiustpd_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
- uint32_t *scanline;
- int x, y;
- uint8_t pixels, *vram;
+ uint8_t const *const vram = &m_vram[0x200];
- vram = &m_vram[0x200];
-
- for (y = 0; y < 880; y++)
+ for (int y = 0; y < 880; y++)
{
- scanline = &bitmap.pix32(y);
- for (x = 0; x < 1152/8; x++)
+ uint32_t *scanline = &bitmap.pix(y);
+ for (int x = 0; x < 1152/8; x++)
{
- pixels = vram[(y * (1152/8)) + (BYTE4_XOR_BE(x))];
-
- *scanline++ = m_palette[((pixels>>7)&0x1)];
- *scanline++ = m_palette[((pixels>>6)&0x1)];
- *scanline++ = m_palette[((pixels>>5)&0x1)];
- *scanline++ = m_palette[((pixels>>4)&0x1)];
- *scanline++ = m_palette[((pixels>>3)&0x1)];
- *scanline++ = m_palette[((pixels>>2)&0x1)];
- *scanline++ = m_palette[((pixels>>1)&0x1)];
- *scanline++ = m_palette[(pixels&1)];
+ uint8_t const pixels = vram[(y * (1152/8)) + (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)];
}
}