From b3a7f8f1fceddcd45ec62bcbf75ba128e4f84f5a Mon Sep 17 00:00:00 2001
From: Nebuleon Fumika
Date: Sun, 3 Feb 2013 19:26:34 -0500
Subject: Synchronise the controller status more spread out inside a rendered
 frame: * before rendering a background; * before rendering sprites; * while
 rendering more than 128 samples of audio at once ("Prefer fluid video"); *
 after every 16 scanlines of CPU execution instead of every 1; * while waiting
 for an audio buffer to become available; * while killing time between frames
 with fast-forward disabled.

Controller presses and releases are now combined in a DS button bitfield using a shorter 32-bit algorithm. See entry.cpp:NDSSFCAccumulateJoypad and #define ACCUMULATE_JOYPAD in the source.

This is still not suitable for playing platformers frame-perfectly, but it's much better than half a second of latency to press or release a button, and one still needs to press buttons a bit more than just light taps. I'd say 50 milliseconds is the latency now. Platformers requiring more precision can be played with frameskip 0.

DMA does not require double-buffered displaying, so synchronise the controller more often by disabling double-buffered displaying again.
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 854a285..c325437 100644
--- a/Makefile
+++ b/Makefile
@@ -71,7 +71,7 @@ DEFS   := -DSPC700_C -DEXECUTE_SUPERFX_PER_LINE -DSDD1_DECOMP \
           -DNO_INLINE_SET_GET -DNOASM -DHAVE_MKSTEMP '-DACCEPT_SIZE_T=size_t' \
           -DUNZIP_SUPPORT -DFOREVER_16_BIT_SOUND -DFOREVER_STEREO \
           -DFOREVER_FORWARD_STEREO -DNO_VOLATILE_SOUND \
-          -DSYNC_JOYPAD_AT_HBLANK -DDS2_DMA
+          -DACCUMULATE_JOYPAD -DDS2_DMA
 
 .PHONY: clean makedirs
 .SUFFIXES: .elf .dat .plg
-- 
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