1 files changed, 35 insertions, 5 deletions
diff --git a/Source/System.h b/Source/System.h
index cbb22ea..b6ed48b 100644
--- a/Source/System.h
+++ b/Source/System.h
@@ -23,78 +23,108 @@
 
 // Calls PSXSDK init routines
 void SystemInit(void);
+
 // Sets default VSync (only sets flag to true and increases global_timer)
 void ISR_SystemDefaultVBlank(void);
+
 // Calls srand() using current global_timer value as seed
 void SystemSetRandSeed(void);
+
 // Returns VSync flag value
 bool SystemRefreshNeeded(void);
-// Tells whether CPU->GPU DMA transfer is ready
-bool SystemDMAReady(void);
-// Tells whether CPU->GPU DMA transfer is busy
-bool SystemDMABusy(void);
+
 // Loads a file into system's internal buffer
 bool SystemLoadFile(char *fname);
+
 // Loads a file into desired buffer
 bool SystemLoadFileToBuffer(char * fname, uint8_t * buffer, uint32_t szBuffer);
+
 // Clears VSync flag after each frame
 void SystemDisableScreenRefresh(void);
+
 // Returns file buffer address
 uint8_t * SystemGetBufferAddress(void);
+
 // Tells whether srand() has been called using a pseudo-random value
 bool SystemIsRandSeedSet(void);
+
 // Stops program flow during X cycles
 void SystemWaitCycles(uint32_t cycles);
+
 // To be called from GfxDrawScene after each cycle
 void SystemRunTimers(void);
+
 // 1 cycle-length flag with a frequency of 1 Hz
 bool System1SecondTick(void);
+
 // 1 cycle-length flag with a frequency of 2 Hz
 bool System500msTick(void);
+
 // 1 cycle-length flag with a frequency of 10 Hz
 bool System100msTick(void);
+
 // Returns random value between given minimum and maximum values
 uint32_t SystemRand(uint32_t min, uint32_t max);
+
 // Increases global timer by 1 step
 void SystemIncreaseGlobalTimer(void);
+
 // Sets value to emergency mode flag
 void SystemSetEmergencyMode(bool value);
+
 // Returns emergency mode flag state
 bool SystemGetEmergencyMode(void);
+
 // (Experimental)
 uint64_t SystemGetGlobalTimer(void);
+
 // Returns whether critical section of code is being entered
-bool SystemIsBusy(void);
+volatile bool SystemIsBusy(void);
+
 // Returns whether indicated value is contained inside buffer
 bool SystemContains_u8(uint8_t value, uint8_t * buffer, size_t sz);
+
 // Overload for uint16_t
 bool SystemContains_u16(uint16_t value, uint16_t * buffer, size_t sz);
+
 // Creates a timer instance wiht a determined value and associates it to a callback
 // Once time expires, callback is automatically called right after GfxDrawScene().
 TYPE_TIMER * SystemCreateTimer(uint32_t seconds, bool rf, void (*timer_callback)(void) );
+
 // Reportedly, sets all timer data to zero.
 void SystemResetTimers(void);
+
 // To be called every cycle (i.e.: inside GfxDrawScene() ).
 void SystemUserTimersHandler(void);
+
 // Sets timer remaining time to initial value.
 void SystemTimerRestart(TYPE_TIMER * timer);
+
 // Flushes a timer pointed to by timer.
 void SystemTimerRemove(TYPE_TIMER * timer);
+
 // Compares two arrays of unsigned short type.
 bool SystemArrayCompare(unsigned short * arr1, unsigned short * arr2, size_t sz);
+
 // Prints stack pointer address using dprintf()
 void SystemPrintStackPointerAddress(void);
+
 // Checks if a 32-bit pattern set at the end of the stack has been
 // accidentally modified by program flow.
 void SystemCheckStack(void);
+
 // Looks for string "str" inside a string array pointed to by "array".
 // Returns index inside string array on success, -1 if not found.
 int32_t SystemIndexOfStringArray(char * str, char ** array);
+
 // Function overload for uint16_t data type.
 int32_t SystemIndexOf_U16(uint16_t value, uint16_t * array, uint32_t sz);
+
 // Function overload for uint8_t data type.
 int32_t SystemIndexOf_U8(uint8_t value, uint8_t * array, uint32_t from, uint32_t sz);
 
+void SystemCyclicHandler(void);
+
 /* **************************************
  * 	Global Variables					*	
  * **************************************/