Increase lead in time for gathering clock statistics, fixing incorrec…

…t clocks an error in many games on the Game Boy Pocket.
Staacks · Jan 14, 2023 · 29afc1a · 29afc1a
1 parent 84629d5
commit 29afc1a
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/firmware/cpubus.c b/firmware/cpubus.c
@@ -14,6 +14,7 @@
 #include "hardware/structs/systick.h"
 
 uint32_t cycleRatio; //Ratio of rp2040 cycles to Game Boy cycles.
+#define CYCLE_RATIO_STATISTIC_SKIP 250 //How many cycles to skip before building the statistic
 #define CYCLE_RATIO_STATISTIC_SIZE 1000 //How many cycles to capture as a statistic for cycleRatio
 
 PIO busPIO;
@@ -231,7 +232,7 @@ void handleMemoryBus() { //To be executed on second core
         reset();
 
         //Wait for game to actually start and use this to determine the cycleRatio
-        uint leadIn = 100; //Skip first cycles in case something funny triggered a few extras while turning on.
+        uint leadIn = CYCLE_RATIO_STATISTIC_SKIP; //Skip first cycles in case something funny triggered a few extras while turning on.
         uint count = CYCLE_RATIO_STATISTIC_SIZE;
         systick_hw->rvr = 0x00FFFFFF;
         systick_hw->csr = 0x4;

diff --git a/firmware/main.h b/firmware/main.h
@@ -6,6 +6,6 @@
 #define LED_SWITCH_PIN 1
 #define LED_PIN_MASK 0x02
 
-#define VERSION "1.0.4-alpha1"
+#define VERSION "1.0.4-alpha2"
 
 #endif