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author ajrhacker <ajrhacker@users.noreply.github.com>2020-02-24 11:19:50 -0500
committer GitHub <noreply@github.com>2020-02-24 11:19:50 -0500
commit53250a489d13cb5f2bd0f9e09177dba430e805cd (patch)
tree669c45539ff7a7a33147fe08529d016f6e1a419b
parent1bf758958614531ceb4409be4c51dcd63a011954 (diff)
parent8436766fe348a0ca4ca7a8d60d83303a59ae6612 (diff)
Merge pull request #6358 from cam900/patch-133
gstream.cpp : Add notes of limitation
-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;