final adjustments for Giz release

[libpicofe.git] / base_readme.txt

diff --git a/base_readme.txt b/base_readme.txt
index 5656e20..9cedf35 100644 (file)
--- a/base_readme.txt
+++ b/base_readme.txt
@@ -44,7 +44,7 @@ How to run Sega/Mega CD games
 -----------------------------\r
 \r
 To play any game, you need BIOS files. These files must be copied to the same\r
-directory as PicoDrive. Files can be named as follows:\r
+directory as mentioned PicoDrive files. Files can be named as follows:\r
 \r
 US: us_scd1_9210.bin us_scd2_9306.bin SegaCDBIOS9303.bin\r
 EU: eu_mcd1_9210.bin eu_mcd2_9303.bin eu_mcd2_9306.bin\r
@@ -132,11 +132,10 @@ graphics problems for some games, so it's best to use 16bit one.
 #endif\r
 \r
 #ifdef GIZ\r
-@@0. "Interlaced rendering"\r
+@@0. "Scanline mode"\r
 This option was designed to work around slow framebuffer access (the Gizmondo's\r
-main bottleneck) by drawing every other line (odd numbered lines during odd\r
-numbered frames and even numbered lines during even frames). This improves\r
-performance greatly, but introduces artifacts for fast scrolling games.\r
+main bottleneck) by drawing every other line (even nummbered lines only).\r
+This improves performance greatly, but looses detail.\r
 \r
 #endif\r
 #ifdef GP2X\r
@@ -272,10 +271,14 @@ game to get sound. This is because most games initialize sound chips on
 startup, and this data is lost when sound chips are being enabled/disabled.\r
 \r
 #ifdef GIZ\r
+@@1. "Double buffering"\r
+Draws the display to offscreen buffer, and flips it with visible one when done.\r
+Unfortunately this causes serious tearing, unless v-sync is used (next option).\r
+\r
 @@1. "Wait for V-sync"\r
-Waits for vertical sync before drawing. This option doesn't eliminate tearing\r
-problems, because full framebuffer update takes much more time then the blanking\r
-period lasts on Gizmondo..\r
+Waits for vertical sync before drawing (or flipping buffers, if previous option\r
+is enabled). Emulation is stopped while waiting, so this causes large performance\r
+hit.\r
 \r
 #endif\r
 @@1. "gzip savestates"\r
@@ -348,7 +351,12 @@ Key configuration
 \r
 Select "Configure controls" from the main menu. Then select "Player 1" and you will\r
 see two columns. The left column lists names of Genesis/MD controller buttons, and\r
+#ifdef GP2X\r
 the right GP2X ones, which are assigned to them. If you bind 2 different GP2X buttons\r
+#endif\r
+#ifdef GIZ\r
+the right Giz ones, which are assigned to them. If you bind 2 different Giz buttons\r
+#endif\r
 to the same action, you will get a combo (which means that you will have to press\r
 both buttons for that action to happen.\r
 \r