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Diffstat (limited to 'src/mame/drivers/gstream.cpp')
-rw-r--r--src/mame/drivers/gstream.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/gstream.cpp b/src/mame/drivers/gstream.cpp
index a0b9e055eea..2dcbff3a66b 100644
--- a/src/mame/drivers/gstream.cpp
+++ b/src/mame/drivers/gstream.cpp
@@ -781,10 +781,10 @@ uint32_t gstream_state::screen_update(screen_device &screen, bitmap_rgb32 &bitma
draw_bg(bitmap, cliprect, 0, m_vram + 0x000/4); // move on top for x2222 , check
int clk = 0;
- int clk_max = 432 * 262; // TODO : measure screen size, related to that?
+ int clk_max = 432 * 262; // total usable cycle count for sprites; TODO : measure screen size, related to that?
for (i = 0x0000 / 4; i < 0x4000 / 4; i += 4) // can't be drawable everything
{
- clk += 8+128;
+ clk += 8+128; // uses 8 cycle per RAM, 128 cycle per drawing tile
if (clk >= clk_max)
break;