Initial commit

1 files changed, 30 insertions, 0 deletions

diff --git a/arm7/source/main.c b/arm7/source/main.c
new file mode 100644
index 0000000..78fd061
--- /dev/null
+++ b/arm7/source/main.c
@@ -0,0 +1,30 @@
+#include <nds.h>
+#include <time.h>
+
+// Send ARM7 input information (X, Y, touch, lid) to ARM9 via FIFO.
+void vblank_handler(void) {
+    inputGetAndSend();
+}
+
+int main(void) {
+    readUserSettings();   // Read user settings from firmware
+    touchInit();          // Calibrate touch input from user settings
+    irqInit();            // Initialise ARM7 interrupts
+    fifoInit();           // Initialise FIFO system
+    installSoundFIFO();   // Install FIFO handler for sound
+    installSystemFIFO();  // Install FIFO handler for sleep mode
+    initClockIRQTimer(0); // Read RTC then update seconds with timer 0
+
+    // TODO: Consider writing a custom system FIFO handler to deal with
+    //       the white screen flash when resuming from sleep.
+
+    // Start sending input data to ARM9 on vblank.
+    irqSet(IRQ_VBLANK, vblank_handler);
+    irqEnable(IRQ_VBLANK);
+
+    while (1) {
+        swiWaitForVBlank();
+    }
+
+    return 0;
+}